2005 WY55
| Discovery | |
|---|---|
| Discovery date | 26 November 2005 |
| Designations | |
| 2005 WY55 | |
| Apollo NEO, PHA | |
| Orbital characteristics | |
| Epoch 21 November 2025 (JD 2461000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 1451 days (3.97 yr) |
| Aphelion | 4.2849 AU (641.01 Gm) (Q) |
| Perihelion | 0.70130 AU (104.913 Gm) (q) |
| 2.4931 AU (372.96 Gm) (a) | |
| Eccentricity | 0.71870 (e) |
| 3.94 yr (1437.8 d) | |
| 12.1931° (M) | |
| 0° 15m 1.368s /day (n) | |
| Inclination | 7.27396° (i) |
| 247.95° (Ω) | |
| 286.40° (ω) | |
| Earth MOID | 0.00283688 AU (424,391 km) |
| Jupiter MOID | 0.951625 AU (142.3611 Gm) |
| Physical characteristics | |
| Dimensions | 190-250 meters |
| 20.7 | |
2005 WY55 is a near-Earth Asteroid belonging to the Apollo group. It was first discovered on 26 November 2005. The asteroid will pass within 330,000 km (0.9 lunar distances) from the Earth on 28 May 2065. It has an absolute magnitude (H) of 20.68. It is estimated to be 190 to 250 meters in diameter. It was removed from the Sentry Risk Table on 1 July 2006.
| 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 |