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Sentry (monitoring system)

Index 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. [1]

19 relations: Asteroid, Asteroid belt, Earth, Ephemeris, Infrared astronomy, JPL Small-Body Database, Lost minor planet, Minor Planet Center, Minor planet designation, Near-Earth object, Observation arc, Perturbation (astronomy), Radar astronomy, The New York Times, (29075) 1950 DA, (410777) 2009 FD, 101955 Bennu, 367943 Duende, 99942 Apophis.

Asteroid

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

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Asteroid belt

The asteroid belt is the circumstellar disc in the Solar System located roughly between the orbits of the planets Mars and Jupiter.

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Earth

Earth is the third planet from the Sun and the only astronomical object known to harbor life.

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Ephemeris

In astronomy and celestial navigation, an ephemeris (plural: ephemerides) gives the positions of naturally occurring astronomical objects as well as artificial satellites in the sky at a given time or times.

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Infrared astronomy

Infrared astronomy is the branch of astronomy and astrophysics that studies astronomical objects visible in infrared (IR) radiation.

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JPL Small-Body Database

The JPL Small-Body Database (SBDB) is an astronomy database about small Solar System bodies.

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Lost minor planet

Lost minor planets are minor planets that observers lose track of due to too short an observation arc to accurately predict the future location of the minor planet.

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Minor Planet Center

The Minor Planet Center (MPC) is the official worldwide organization in charge of collecting observational data for minor planets (such as asteroids and comets), calculating their orbits and publishing this information via the Minor Planet Circulars.

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Minor planet designation

A formal minor planet designation is, in its final form, a number–name combination given to a minor planet (asteroid, centaur, trans-Neptunian object and dwarf planet but not comet).

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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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Observation arc

In observational astronomy, an observation arc (or arc length) is the time period between the first and most recent (last) observation, tracing the body's path.

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Perturbation (astronomy)

In astronomy, perturbation is the complex motion of a massive body subject to forces other than the gravitational attraction of a single other massive body.

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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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The New York Times

The New York Times (sometimes abbreviated as The NYT or The Times) is an American newspaper based in New York City with worldwide influence and readership.

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(29075) 1950 DA

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

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(410777) 2009 FD

(410777) 2009 FD is a carbonaceous sub-kilometer asteroid and binary system, classified as near-Earth object and potentially hazardous asteroid of the Apollo group, discovered on 24 February 2009, by astronomers of the Spacewatch program at Kitt Peak National Observatory near Tucson, Arizona, in the United States.

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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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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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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.

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Redirects here:

Sentry Risk Table.

References

[1] https://en.wikipedia.org/wiki/Sentry_(monitoring_system)

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