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(669555) 2012 YQ1

Asteroid

Field	Value
minorplanet	yes
background	#FFC2E0
name
image	Orbit-2012-YQ1-Today-20130206-20130206-test4433.gif
caption	Orbit (blue) of asteroid for 6 February 2013
discovery_ref
discoverer	A. Oreshko
T. Kryachko
discovery_site	Elena Remote Obs.
discovered	19 December 2012
(first observed only)
mpc_name
mp_category	NEOApolloPHA
orbit_ref
epoch	13 January 2016 (JD 2457400.5)
uncertainty	6
aphelion	3.11880 AU
perihelion	0.86916 AU
semimajor	1.99398 AU
eccentricity	0.56411
period	2.82 yr (1028.4 d)
inclination	5.15193°
asc_node	120.16813°
mean_anomaly	12.74578°
arg_peri	42.09537°
mean_motion	/day
moid	0.00774939 AU
mean_diameter	~220 m
abs_magnitude	20.9

T. Kryachko (first observed only)

**** is a sub-kilometer asteroid, classified as a near-Earth object and a potentially hazardous asteroid of the Apollo group, approximately 200 meters in diameter. It was first observed on 19 December 2012, by astronomers Andrey Oreshko and Timur Kryachko at the Elena Remote Observatory (G32) located in the Chilean Atacama desert.

Description

With a 4-day observation arc, the asteroid had a 1 in 3 million chance of impacting in 2106. With a 10-day observation arc, the asteroid had a 1 in 10 million chance of impacting in 2106. On 5 January 2013, the asteroid passed 0.10 AU from Earth. It was removed from the Sentry Risk Table on 8 January 2013. It had an observation arc of 32 days and an orbital uncertainty of 7. Since the asteroid had a poorly known orbit, the cone of uncertainty quickly multiplied as a result of perturbations by the inner planets and prevented precise/reliable ephemeris data. Eliminating an entry on the Sentry Risk Table is a negative prediction; a prediction of where it will NOT be. With MPEC 2024-C131 the Minor Planet Center published a newly computed orbit on 12 February 2024, using observations till 12 November 2023 and prediscovery observations from 31 May till 5 June 2010, reducing the uncertainty to 1.

In the popular press

In 2013, an article, originally posted on The Voice of Russia had a poorly researched headline stating "We have 93 years left till the next End of the World". This story was reposted on Space Daily, but then astronomer Phil Plait clarified that it was "a fascinating mix of fact and error. A lot of what it says is accurate, but the most important claim—that an asteroid will impact Earth in 2106—is simply wrong."

References

|archive-url=https://web.archive.org/web/20020602101400/http://neo.jpl.nasa.gov/risk/removed.html |url-status=dead |archive-date=2002-06-02

References

Zamanskaya, Yulia. (2013-02-08). "We have 93 years left till the next End of the World: killer asteroid to hit Earth in 2106: Voice of Russia".
Phil Plait. (13 Feb 2013). "No, An Asteroid Is NOT Going to Hit Earth in 2106". Slate.

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

apollo-asteroids near-earth-objects-removed-from-the-sentry-risk-table potentially-hazardous-asteroids near-earth-objects-in-2013 astronomical-objects-discovered-in-2012 discoveries-by-timur-kryachko

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