2005 WY55 is a near-Earth Asteroid belonging to the Apollo group.[3] It was first discovered on 26 November 2005.[1] The asteroid will pass within 330,000 km (0.9 lunar distances) from the Earth on 28 May 2065.[4][5] It has an absolute magnitude (H) of 20.68.[2] It is estimated to be 190 to 250 meters in diameter.[1][3] It was removed from the Sentry Risk Table on 1 July 2006.[6]
Asteroid | Date | Nominal approach distance (LD) | Min. distance (LD) | Max. distance (LD) | Absolute magnitude (H) | Size (meters) |
---|---|---|---|---|---|---|
(152680) 1998 KJ9 | 1914-12-31 | 0.606 | 0.604 | 0.608 | 19.4 | 279–900 |
(458732) 2011 MD5 | 1918-09-17 | 0.911 | 0.909 | 0.913 | 17.9 | 556–1795 |
(163132) 2002 CU11 | 1925-08-30 | 0.903 | 0.901 | 0.905 | 18.5 | 443–477 |
2017 VW13 | 2001-11-08 | 0.454 | 0.318 | 3.436 | 20.7 | 153–494 |
(153814) 2001 WN5 | 2028-06-26 | 0.647 | 0.647 | 0.647 | 18.2 | 921–943 |
99942 Apophis | 2029-04-13 | 0.0981 | 0.0963 | 0.1000 | 19.7 | 310–340 |
2005 WY55 | 2065-05-28 | 0.865 | 0.856 | 0.874 | 20.7 | 153–494 |
101955 Bennu | 2135-09-25 | 0.780 | 0.308 | 1.406 | 20.19 | 472–512 |
(153201) 2000 WO107 | 2140-12-01 | 0.634 | 0.631 | 0.637 | 19.3 | 427–593 |
Discovery[1] | |
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Discovery date | 26 November 2005 |
Designations | |
MPC designation | 2005 WY55 |
Minor planet category | Apollo ![]() NEO, PHA |
Orbital characteristics[2][3] | |
Epoch 13 January 2016 (JD 2457400.5) | |
Uncertainty parameter 0 | |
Observation arc | 1451 days (3.97 yr) |
Aphelion | 4.2823 AU (640.62 Gm) (Q) |
Perihelion | 0.69532 AU (104.018 Gm) (q) |
Semi-major axis | 2.4888 AU (372.32 Gm) (a) |
Eccentricity | 0.72062 (e) |
Orbital period (sidereal) | 3.93 yr (1434.1 d) |
Mean anomaly | 188.701° (M) |
Mean motion | 0° 15m 3.708s /day (n) |
Inclination | 7.27198° (i) |
Longitude of ascending node | 248.22° (Ω) |
Argument of perihelion | 286.15° (ω) |
Earth MOID | 0.00387045 AU (579,011 km) |
Jupiter MOID | 0.953735 AU (142.6767 Gm) |
Physical characteristics | |
Dimensions | 190-250 meters[1][3] |
Absolute magnitude (H) | 20.7[2] |
Preceded by | Large NEO Earth close approach (inside the orbit of the Moon) 28 May 2065 |
Succeeded by 2007 YV56 |
Planetary defense | |
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Defense |
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NEO tracking |
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Small Solar System bodies | |||||||
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Minor planets |
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