2012 EG₅

2012 EG₅
	The orbit of the asteroid 2012 EG5 during its flyby on 1 April 2012. The asteroids path is shown by the blue line.
Discovery
Discovered by	Pan-STARRS
Discovery site	Haleakala Observatory, Haleakalā, Hawaii
Discovery date	13 March 2012
Designations
Alternative designations	MPO 230288
Minor planet category	Apollo ; NEO
Orbital characteristics
	Epoch 4 September 2017 (JD 2458000.5)
	Uncertainty parameter 3
Observation arc	21 d
Aphelion	3.31229 AU (495.512 Gm)
Perihelion	0.98483 AU (147.328 Gm)
Semi-major axis	2.14856 AU (321.420 Gm)
Eccentricity	0.54163
Orbital period (sidereal)	3.15 yr (1150.32 d); 3.15 yr
Mean anomaly	256.02°
Mean motion	0° 18m 46.512s /day
Inclination	3.02915°
Longitude of ascending node	192.919°
Argument of perihelion	16.002°
Earth MOID	0.0000309134 AU (4,624.58 km)
Mercury MOID	0.54576 AU (81,645,000 km)
Jupiter MOID	1.64413 AU (245.958 Gm)
Physical characteristics
Sidereal rotation period	0.29240 hr
Absolute magnitude (H)	24.3

2012 EG₅ is an Apollo near-Earth asteroid with an estimated diameter of 47 meters (154 ft).^[3] The asteroid was discovered on 13 March 2012. The asteroid came within 0.001539 AU (230,200 km; 143,100 mi) of Earth during its closest approach on 1 April 2012,^[2] just over half the distance between Earth and the Moon's orbit. It was briefly listed on the Sentry Risk Table with a 1 in 2,778,000 chance of an impact in 2107.^[3] It was removed from the Sentry Risk Table on 1 April 2012.^[4]

References

1 2 3 4 5 6 "2012 EG5". Minor Planet Center. Retrieved 16 August 2017.
1 2 3 4 5 "(2012 EG5)". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3601275. Retrieved 20 August 2017.
1 2 "NEO Earth Close Approaches: 2012 EG5". NASA JPL Near-Earth Object Program. 5 August 2006. Archived from the original on 27 March 2012. Retrieved 1 March 2013.
↑ "Date/Time Removed". NASA/JPL Near-Earth Object Program Office. Archived from the original on 2 June 2002.

External links

2012 EG5 at NeoDyS-2, Near Earth Objects—Dynamic Site
- Ephemerides · Observation prediction · Orbital info · MOID · Proper elements · Observational info · Close approaches · Physical info · Orbit animation
2012 EG5 at ESA–space situational awareness
- Ephemerides · Observations · Orbit · Physical properties · Summary
2012 EG5 at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters

This near-Earth asteroid-related article is a stub. You can help Wikipedia by adding missing information.

[discovery_ref-1] 1 2 3 4 5 6 "2012 EG5". Minor Planet Center. Retrieved 16 August 2017.

[sbdb-2] 1 2 3 4 5 "(2012 EG5)". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3601275. Retrieved 20 August 2017.

[Wayback2012-03-3] 1 2 "NEO Earth Close Approaches: 2012 EG5". NASA JPL Near-Earth Object Program. 5 August 2006. Archived from the original on 27 March 2012. Retrieved 1 March 2013.

[removed-4] "Date/Time Removed". NASA/JPL Near-Earth Object Program Office. Archived from the original on 2 June 2002.

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2012 EG₅

References

External links