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99942 Apophis

Index 99942 Apophis

99942 Apophis (previously known by its provisional designation) is a near-Earth asteroid that caused a brief period of concern in December 2004 because initial observations indicated a probability of up to 2.7% that it would hit Earth on April 13, 2029. [1]

79 relations: Apep, Apocalyptic and post-apocalyptic fiction, Apophis, Asteroid, Asteroid impact avoidance, Asteroid Terrestrial-impact Last Alert System, Asteroids in fiction, B612 Foundation, David J. Tholen, Don Quijote (spacecraft), Egyptian influence in popular culture, Fabrizio Bernardi, Goa'uld, Goa'uld characters in Stargate, Gravitational keyhole, List of adjectivals and demonyms of astronomical bodies, List of asteroid close approaches to Earth, List of Aten asteroids, List of Earth-crossing minor planets, List of exceptional asteroids, List of minor planets named after people, List of minor planets: 99001–100000, List of named minor planets: 90000–99999, List of named minor planets: A, List of near-Earth asteroids by distance from Sun, List of recurring alien characters in Stargate SG-1, List of Solar System objects, List of Solar System objects by size, List of The Daily Show episodes (2009), List of tumblers (small Solar System bodies), Meanings of minor planet names: 99001–100000, Meteor Storm, Minimum orbit intersection distance, Near-Earth object, NEODyS, Nico Marquardt, Orbital period, Orders of magnitude (length), Orders of magnitude (probability), Peter Williams (actor), Radar astronomy, Rage (video game), Roy A. Tucker, Rusty Schweickart, Sentry (monitoring system), Space-based solar power, Stargate SG-1, Steven J. Ostro, The Profit of Doom, Timeline of the near future, ..., Universe Sandbox, (144898) 2004 VD17, (153814) 2001 WN5, (308635) 2005 YU55, (433953) 1997 XR2, (481482) 2007 CA19, (85640) 1998 OX4, 101955 Bennu, 2000 SG344, 2002 JE9, 2003 BR47, 2004 XP14, 2005 WY55, 2006 RH120, 2007 TU24, 2007 UW1, 2007 VK184, 2007 WD5, 2011 GA, 2011 XC2, 2012 UE34, 2013 EC, 2013 in science, 2015 TB145, 2018 AH, 2029, 2036, 21st century, 367943 Duende. Expand index (29 more) »

Apep

Apep (or; also spelled Apepi or Aapep) or Apophis (Ἄποφις) was the ancient Egyptian deity who embodied chaos (ı͗zft in Egyptian) and was thus the opponent of light and Ma'at (order/truth).

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Apocalyptic and post-apocalyptic fiction

Apocalyptic and post-apocalyptic fiction is a subgenre of science fiction, science fantasy or horror in which the Earth's technological civilization is collapsing or has collapsed.

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Apophis

Apophis, Apep or Apepi, may refer to.

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Asteroid

Asteroids are minor planets, especially those of the inner Solar System.

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Asteroid impact avoidance

Asteroid impact avoidance comprises a number of methods by which near-Earth objects (NEO) could be diverted, preventing destructive impact events.

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Asteroid Terrestrial-impact Last Alert System

The Asteroid Terrestrial-impact Last Alert System (ATLAS; Observatory codes T05 and T08) is an astronomical survey and robotic, early-warning system for detecting smaller near-Earth objects a few weeks to days before they impact Earth.

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Asteroids in fiction

Asteroids and asteroid belts are a staple of science fiction stories.

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B612 Foundation

The B612 Foundation is a private nonprofit foundation headquartered in Mill Valley, California, United States, dedicated to planetary defense against asteroids and other near-Earth object (NEO) impacts.

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David J. Tholen

David James Tholen (born 1955) is an American astronomer at the Institute for Astronomy of the University of Hawaii.

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Don Quijote (spacecraft)

Don Quijote is a past space probe concept that has been studied by the European Space Agency, and which would investigate the effects of crashing a spacecraft into an asteroid.

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Egyptian influence in popular culture

Egyptian mythology and culture have influenced popular culture in multiple ways.

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Fabrizio Bernardi

Fabrizio Bernardi (born 1972) is an Italian astronomer and discoverer of minor planets and comets, best known for the co-discovery of the near-Earth and potentially hazardous asteroid 99942 Apophis.

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Goa'uld

The Goa'uld (pronounced; commonly shortened to or) are a symbiotic race of ancient astronauts from the American-Canadian military science fiction television franchise Stargate.

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Goa'uld characters in Stargate

This is a list of the Goa'uld characters that appear in Stargate, Stargate SG-1, and Stargate Atlantis.

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Gravitational keyhole

A gravitational keyhole is a tiny region of space where a planet's gravity would alter the orbit of a passing asteroid such that the asteroid would collide with that planet on a given future orbital pass.

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List of adjectivals and demonyms of astronomical bodies

The adjectival forms of the names of astronomical bodies are not always easily predictable.

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List of asteroid close approaches to Earth

This is a list of examples where an asteroid or meteoroid travels close to the Earth.

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List of Aten asteroids

This is a list of Aten asteroids, a group of near-Earth objects.

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List of Earth-crossing minor planets

An Earth-crosser is a near-Earth asteroid whose orbit crosses that of Earth as observed from the ecliptic pole of Earth's orbit.

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List of exceptional asteroids

The following is a collection of lists of exceptional asteroids in the Solar System.

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List of minor planets named after people

This is a list of minor planets named after people, both real and fictional.

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List of minor planets: 99001–100000

No description.

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List of named minor planets: 90000–99999

This is a partial list of named minor planets in numerical order.

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List of named minor planets: A

This is a partial list containing all named minor planets starting with the letter A. It is ordered in a case-insensitive, alphabetical manner and contains a total of 1,485 entries.

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List of near-Earth asteroids by distance from Sun

This list contains many notable Near-Earth asteroids organised by their average distance from the Sun, and includes the planets and distances for comparability.

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List of recurring alien characters in Stargate SG-1

This is a list of recurring alien characters in the science fiction television series Stargate SG-1.

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List of Solar System objects

The following is a list of Solar System objects by orbit, ordered by increasing distance from the Sun.

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List of Solar System objects by size

This is a partial list of Solar System objects by size, arranged in descending order of mean volumetric radius, and subdivided into several size classes.

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List of The Daily Show episodes (2009)

This is a list of episodes for The Daily Show with Jon Stewart in 2009.

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List of tumblers (small Solar System bodies)

This is a list of tumblers, minor planets, comets and natural satellites that rotate on a non-principal axis, commonly known as "tumbling" or "wobbling".

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Meanings of minor planet names: 99001–100000

862 | 99862 Kenlevin || || Ken Levin (born 1953) is a physicist who works in the field of infrared optics and sensors for application in medicine, aerospace and astronomy.

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Meteor Storm

Meteor Storm (Spanish: Lluvia de fuego; French: Tempête de météorites (dubbed version)) is a 2010 American disaster film with the tagline "The fury no one saw coming...". The film was directed by Tibor Takács, produced by Tracey Jeffrey and Written by Peter Mohan.

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Minimum orbit intersection distance

Minimum orbit intersection distance (MOID) is a measure used in astronomy to assess potential close approaches and collision risks between astronomical objects.

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Near-Earth object

A near-Earth object (NEO) is any small Solar System body whose orbit can bring it into proximity with Earth.

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NEODyS

NEODyS (Near Earth Objects Dynamic Site) is an Italian and Spanish service that provides information on Near Earth Objects with a Web-based interface.

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Nico Marquardt

Nico Marquardt (born May 24, 1994 in Potsdam) is a German politician, non-executive director and consultant.

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Orbital period

The orbital period is the time a given astronomical object takes to complete one orbit around another object, and applies in astronomy usually to planets or asteroids orbiting the Sun, moons orbiting planets, exoplanets orbiting other stars, or binary stars.

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Orders of magnitude (length)

The following are examples of orders of magnitude for different lengths.

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Orders of magnitude (probability)

This page is a progressive and labeled list of probability in orders of magnitude, with certain examples appended to some list objects.

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Peter Williams (actor)

Peter Williams (born December 31, 1957) is a Jamaican-born actor currently residing in Canada.

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Radar astronomy

Radar astronomy is a technique of observing nearby astronomical objects by reflecting microwaves off target objects and analyzing the reflections.

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Rage (video game)

Rage (stylized as RAGE) is a first-person shooter video game developed by id Software, released in November 2010 for iOS and later October 2011 for Microsoft Windows, the PlayStation 3, and the Xbox 360.

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Roy A. Tucker

Roy A. Tucker (born 1951 in Jackson, Mississippi) is an American astronomer best known for the co-discovery of near-Earth asteroid 99942 Apophis (formerly known as) along with David J. Tholen and Fabrizio Bernardi of the University of Hawaii.

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Rusty Schweickart

Russell Louis "Rusty" Schweickart (also Schweikart; born October 25, 1935) is an American aeronautical engineer, and a former NASA astronaut, research scientist, U.S. Air Force fighter pilot, as well as a former business executive and government executive.

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Sentry (monitoring system)

Since 2002, Sentry has been a highly automated collision monitoring system that continually scans the most current asteroid catalog for possibilities of future impact with Earth over the next 100+ years.

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Space-based solar power

Space-based solar power (SBSP) is the concept of collecting solar power in outer space and distributing it to Earth.

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Stargate SG-1

Stargate SG-1 (often abbreviated as SG-1) is a Canadian-American military science fiction adventure television series and part of Metro-Goldwyn-Mayer's ''Stargate'' franchise.

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Steven J. Ostro

Steven Jeffrey Ostro (March 9, 1946 – December 15, 2008) was an American scientist specializing in radar astronomy.

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The Profit of Doom

"The Profit of Doom" is a single by gothic metal band Type O Negative from the 2007 album Dead Again.

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Timeline of the near future

This is a timeline of the near future, covering predicted or calculated events from the present until the end of the 23rd century.

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Universe Sandbox

Universe Sandbox is an interactive space and gravity simulator video game and educational software.

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(144898) 2004 VD17

(144898), provisional designation, is a sub-kilometer asteroid, classified as near-Earth object of the Apollo group once thought to have a low probability of impacting Earth on 4 May 2102.

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(153814) 2001 WN5

is a sub-kilometer asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group.

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(308635) 2005 YU55

, provisionally known as 2005 YU55, is a potentially hazardous asteroid 360±40 meters in diameter, as measured after its Earth flyby.

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(433953) 1997 XR2

is a sub-kilometer sized asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group.

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(481482) 2007 CA19

is a sub-kilometer asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group.

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(85640) 1998 OX4

, also written 1998 OX4, is a sub-kilometer asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group.

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101955 Bennu

101955 Bennu (provisional designation) is a carbonaceous asteroid in the Apollo group discovered by the LINEAR Project on September 11, 1999.

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2000 SG344

(also written 2000 SG344) is a small Aten asteroid discovered in 2000.

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2002 JE9

(also written 2002 JE9) is an Apollo near-Earth asteroid and potentially hazardous object.

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2003 BR47

is a sub-kilometer asteroid classified as near-Earth object and potentially hazardous asteroid of the Apollo group.

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2004 XP14

is a sub-kilometer asteroid, classified as a near-Earth object and potentially hazardous asteroid of the Apollo group.

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2005 WY55

is a near-Earth Asteroid belonging to the Apollo group.

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2006 RH120

is a tiny near-Earth asteroid and fast rotator with a diameter of approximately 2–3 meters that ordinarily orbits the Sun but makes close approaches to the Earth–Moon system around every twenty years, when it can temporarily enter Earth orbit through temporary satellite capture (TSC).

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2007 TU24

is an Apollo near-Earth asteroid that was discovered by the Catalina Sky Survey in Arizona on October 11, 2007.

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2007 UW1

is a sub-kilometer asteroid that is a near-Earth object of the Aten group.

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2007 VK184

is a sub-kilometer asteroid, classified as a near-Earth object of the Apollo group, and estimated to be approximately in diameter.

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2007 WD5

is an Apollo asteroid some in diameter and a Mars-crosser asteroid first observed on November 20, 2007, by Andrea Boattini of the Catalina Sky Survey.

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2011 GA

is a small asteroid that is a Near-Earth object and an Apollo asteroid.

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2011 XC2

(also written 2011 XC2) is a near-Earth asteroid roughly in diameter that passed less than 1 lunar distance from Earth on 3 December 2011.

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2012 UE34

is a sub-kilometer asteroid, classified as a near-Earth object of the Apollo group, approximately 70 meters in diameter.

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2013 EC

2013 EC is a near-Earth asteroid that passed Earth just inside the orbit of the Moon, with its closest approach on March 4, 2013 at 07:35 UTC.

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2013 in science

A number of significant scientific events occurred in 2013, including the discovery of numerous Earthlike exoplanets, the development of viable lab-grown ears, teeth, livers and blood vessels, and the atmospheric entry of the most destructive meteor since 1908.

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2015 TB145

is a sub-kilometer asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group, approximately in diameter.

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2018 AH

2018 AH is a sub-kilometer asteroid, classified as near-Earth object of the Apollo group, approximately in diameter.

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2029

No description.

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2036

No description.

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21st century

The 21st century is the current century of the Anno Domini era or Common Era, in accordance with the Gregorian calendar.

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367943 Duende

367943 Duende, provisional designation, is a micro-asteroid and a near-Earth object of the Aten and Atira group, approximately in diameter.

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Redirects here:

(99942) 2004 MN4, (99942) 2004 MN₄, (99942) Apophis, 2004 MN4, 2004MN4, 9942 apophis, 99942, 99942 apophis, 99942apophis, Apophis (asteroid), Apophis 9942, Apophis 99942, Apophis asteroid, Apophis99942, Apopohis, Asteroid 2004 MN4, Asteroid 99942 Apophis, Asteroid Apophis, Mn4.

References

[1] https://en.wikipedia.org/wiki/99942_Apophis

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