2015 XY261
Asteroid / From Wikipedia, the free encyclopedia
2015 XY261 (also written 2015 XY261) is an Apollo near-Earth asteroid[2] that is also a Mars crosser. It is roughly 10–22 meters in diameter and passed less than 1 lunar distance, 0.0025696 AU (384,410 km; 238,860 mi) from Earth on 15 December 2015.[5]
Quick Facts Discovered by, Discovery site ...
Discovery[1][2][3] | |
---|---|
Discovered by | Pan-STARRS 1 (first observered) |
Discovery site | Haleakala Obs. |
Discovery date | 6 December 2015 |
Designations | |
2015 XY261 | |
Apollo · NEO[1][2] | |
Orbital characteristics[1] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 5 | |
Observation arc | 0.025 yr (9 days) |
Aphelion | 2.1890 AU |
Perihelion | 0.8003177 AU |
1.4945093 AU | |
Eccentricity | 0.4644947 |
1.83 yr (667 days) | |
62.24896° | |
0° 32m 22.041s / day | |
Inclination | 1.59013° |
86.91527° | |
61.94406° | |
Earth MOID | 0.00184 AU (0.72 LD) |
Physical characteristics | |
Dimensions | 9.7–22 meters[4] |
27.2[1] | |
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