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 by Pan-STARRS
Discovery site Haleakala Observatory, Haleakalā, Hawaii
Discovery date March 13, 2012
Designations
MPC designation 2012 EG5
MPO 230288
Apollo
NEO
Orbital characteristics[2]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 3[1]
Observation arc 21[1] d
Aphelion 3.31229 AU (495.512 Gm)
Perihelion 0.98483 AU (147.328 Gm)
2.14856 AU (321.420 Gm)
Eccentricity 0.54163
3.15 yr (1150.32 d)
3.15 yr
256.02°
0° 18m 46.512s /day[1]
Inclination 3.02915°
192.919°
16.002°
Earth MOID 0.0000309134 AU (4,624.58 km)[2]
Mercury MOID 0.54576 AU (81,645,000 km)[1]
Jupiter MOID 1.64413 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. 1 2 3 4 5 6 "2012 EG5". Minor Planet Center. Retrieved 16 August 2017.
    2. 1 2 3 4 5 "(2012 EG5)". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3601275. Retrieved 20 August 2017.
    3. 1 2 "WayBack Machine archive from 27 March 2012". Wayback Machine. 2006-08-05. Archived from the original on March 27, 2012. Retrieved 2013-03-01.
    4. ↑ "Date/Time Removed". NASA/JPL Near-Earth Object Program Office.


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