(9948) 1990 QB2
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Orbit of (9948) 1990 QB2 | |||||||||||||
| Discovery | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Discovered by | H. E. Holt | ||||||||||||
| Discovery date | 22 August 1990 | ||||||||||||
| Designations | |||||||||||||
| MPC designation | (9948) 1990 QB2 | ||||||||||||
| 1979 SJ6, 1990 SQ26 | |||||||||||||
| Orbital characteristics[1] | |||||||||||||
| Epoch 13 January 2016 (JD 2457400.5) | |||||||||||||
| Uncertainty parameter 0 | |||||||||||||
| Observation arc | 13048 days (35.72 yr) | ||||||||||||
| Aphelion | 2.9011757 AU (434.00971 Gm) | ||||||||||||
| Perihelion | 1.8666534 AU (279.24737 Gm) | ||||||||||||
| 2.3839145 AU (356.62853 Gm) | |||||||||||||
| Eccentricity | 0.2169797 | ||||||||||||
| 3.68 yr (1344.4 d) | |||||||||||||
| 333.17473° | |||||||||||||
| 0° 16m 3.986s / day | |||||||||||||
| Inclination | 2.096265° | ||||||||||||
| 171.54781° | |||||||||||||
| 151.76931° | |||||||||||||
| Earth MOID | 0.852729 AU (127.5664 Gm) | ||||||||||||
| Jupiter MOID | 2.42039 AU (362.085 Gm) | ||||||||||||
| Physical characteristics | |||||||||||||
| Dimensions | ~17km[2] | ||||||||||||
| 3.5257 h (0.14690 d) | |||||||||||||
Sidereal rotation period | 3.532 h | ||||||||||||
| ~0.01 | |||||||||||||
| |||||||||||||
| S-type asteroid[3] | |||||||||||||
| 14.3 | |||||||||||||
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(9948) 1990 QB2 is an S-type main belt asteroid. It orbits the Sun once every 3.68 years.[1]
Discovered by H. E. Holt on August 22, 1990, it was given the provisional designation "1990 QB2".[4]
References
- 1 2 "JPL Small-Body Database Browser: 9948 (1990 QB2)". NASA/Jet Propulsion Laboratory. Retrieved 5 April 2016.
- ↑ Tedesco E.F.; Noah P.V.; Noah M.; Price S.D. "The supplemental IRAS minor planet survey (SIMPS)".
- ↑ Gianluca Masi; Sergio Foglia & Richard P. Binzel. "Search for Unusual Spectroscopic Candidates Among 40313 minor planets from the 3rd Release of the Sloan Digital Sky Survey Moving Object Catalog".
- ↑ MPO 14997 Minor Planet Center
External links
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