2012 EG5

2012 EG5
The orbit of the asteroid 2012 EG5 during its flyby on April 1, 2012. The asteroids path is shown by the blue line.
Discovery[1]
Discovered byPan-STARRS
Discovery siteHaleakala Observatory, Haleakalā, Hawaii
Discovery dateMarch 13, 2012
Designations
2012 EG5
MPO 230288
Apollo Apollo
NEO
Orbital characteristics[2]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 3[1]
Observation arc21[1] d
Aphelion3.31229 AU (495.512 Gm)
Perihelion0.98483 AU (147.328 Gm)
2.14856 AU (321.420 Gm)
Eccentricity0.54163
3.15 yr (1150.32 d)
3.15 yr
256.02°
0° 18m 46.512s /day[1]
Inclination3.02915°
192.919°
16.002°
Earth MOID0.0000309134 AU (4,624.58 km)[2]
Mercury MOID0.54576 AU (81,645,000 km)[1]
Jupiter MOID1.64413 AU (245.958 Gm)[1]
Physical characteristics
0.29240 hr[2]
24.3[2]

2012 EG5 is an Apollo near-Earth asteroid with an estimated diameter of 47 meters (154 ft).[3] The asteroid was discovered on March 13, 2012. The asteroid came within 0.001539 AU (230,200 km; 143,100 mi) of Earth during its closest approach on April 1, 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. ^ a b c d e f "2012 EG5". Minor Planet Center. Retrieved 16 August 2017.
  2. ^ a b c d e "(2012 EG5)". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3601275. Retrieved 20 August 2017.
  3. ^ a b "WayBack Machine archive from 27 March 2012". Wayback Machine. 5 August 2006. Archived from the original on 27 March 2012. Retrieved 1 March 2013.
  4. ^ "Date/Time Removed". NASA/JPL Near-Earth Object Program Office. Archived from the original on 2 June 2002.


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