Discovery[1][2][3] | |
---|---|
Discovery site | Siding Spring Survey (unaccredited) |
Discovery date | 15 May 2010 |
Designations | |
2010 JL88 | |
Apollo · NEO[4] | |
Orbital characteristics[4] | |
Epoch 13 January 2016 (JD 2457400.5) | |
Uncertainty parameter 7 | |
Aphelion | 2.1391 AU |
Perihelion | 0.70654 AU |
1.4228 AU | |
Eccentricity | 0.50343 |
1.70 yr (619.91 d) | |
89.113° | |
0° 34m 50.628s /day | |
Inclination | 0.092387° |
269.02° | |
51.167° | |
Earth MOID | 0.000956 AU |
Physical characteristics | |
Dimensions | 18.5±7.5 m[5] |
24.5 s (0.0068295 h)[4] | |
0.1[6] | |
Temperature | 186–323 K[7] |
26.8[4] | |
2010 JL88 is an unnumbered asteroid, classified as a near-Earth object of the Apollo group, approximately 19 meters in diameter.[2] It was first observed by the Siding Spring Survey, Australia, on 15 May 2010. It is known to be the fastest rotator with an unambiguous period solution, having an exceptionally rapid rotation period of less than 25 seconds.[4][8]
On May 17, 2010, it passed 0.00257 AU (384,000 km) from Earth.[4] It is on the lower of the Sentry Risk Table.[1]
JPL NEO
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