From Surf Wiki (app.surf) — the open knowledge base

(308242) 2005 GO21

Near-Earth asteroid

Field	Value
minorplanet	yes
background	#FFC2E0
name
image	2005GO21-20120617.jpg
caption	Goldstone radar image of asteroid
taken on 17 June 2012
discovery_ref
discoverer	Siding Spring Srvy.
discovery_site	Siding Spring Obs.
discovered	1 April 2005
mpc_name
mp_category	AtenNEOPHA
orbit_ref
epoch	13 January 2016 (JD 2457400.5)
uncertainty	0
observation_arc	3385 days (9.27 yr)
aphelion	1.0093 AU
perihelion	0.49720 AU
semimajor	0.75324 AU
eccentricity	0.33992
period	0.65 yr (238.8 d)
inclination	24.926°
asc_node	272.70°
mean_anomaly	19.462°
mean_motion	1.5077°/day
arg_peri	156.62°
moid	0.0452219 AU
mean_diameter	~1.6 km
rotation
abs_magnitude	16.5

taken on 17 June 2012

**** is a large Aten near-Earth asteroid and potentially hazardous object. It has a well determined orbit with an observation arc of 7 years and an uncertainty parameter of 0. It was discovered on 1 April 2005 by the Siding Spring Survey at an apparent magnitude of 18.1 using the 0.5 m Uppsala Southern Schmidt Telescope.

Based on an absolute magnitude of 16.4, the asteroid has an estimated diameter of 1.6 km (within a factor of two). is the largest potentially hazardous asteroid (PHA) discovered in 2005. On 21 June 2012 it passed Earth at a distance of 0.043963 AU. The 2012 passage was studied with radar using Goldstone and Arecibo.

References

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.

aten-asteroids discoveries-by-sss potentially-hazardous-asteroids radar-imaged-asteroids near-earth-objects-in-2012 astronomical-objects-discovered-in-2005

Want to explore this topic further?

Ask Mako anything about (308242) 2005 GO21 — get instant answers, deeper analysis, and related topics.

Research with Mako

Free with your Surf account

Content sourced from Wikipedia, available under CC BY-SA 4.0.

This content may have been generated or modified by AI. CloudSurf Software LLC is not responsible for the accuracy, completeness, or reliability of AI-generated content. Always verify important information from primary sources.

Report