4451 Grieve
| Discovery | |
|---|---|
| Discovered by | Carolyn S. Shoemaker |
| Discovery site | Palomar |
| Discovery date | 9 May 1988 |
| Designations | |
| MPC designation | 4451 |
| 1988 JJ | |
| Orbital characteristics[1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 22571 days (61.80 yr) |
| Aphelion | 3.6068158 AU (539.57196 Gm) |
| Perihelion | 1.6017169 AU (239.61344 Gm) |
| 2.604266 AU (389.5926 Gm) | |
| Eccentricity | 0.3849643 |
| 4.20 yr (1535.1 d) | |
| 160.96768° | |
| 0° 14m 4.264s / day | |
| Inclination | 27.75245° |
| 219.48458° | |
| 110.06734° | |
| Earth MOID | 0.766771 AU (114.7073 Gm) |
| Jupiter MOID | 2.53088 AU (378.614 Gm) |
| Jupiter Tisserand parameter | 3.154 |
| Physical characteristics | |
| Dimensions | ~15km[2] |
| 6.864 h (0.2860 d) | |
Sidereal rotation period | 6.86 h[1] |
| S[1] | |
| 12.0[1] | |
|
| |
4451 Grieve (1988 JJ) is a Mars-crossing asteroid (MCA) discovered on May 9, 1988 by Carolyn S. Shoemaker at Palomar.[1] At roughly 15 km in diameter,[2] it is one of the largest Mars-crossing asteroids as only 12 MCAs are brighter than absolute magnitude (H) 12.1.[3]
References
- 1 2 3 4 5 "JPL Small-Body Database Browser: 4451 Grieve". Jet Propulsion Laboratory. Retrieved 14 April 2016.
- 1 2 "Absolute Magnitude (H)". NASA/JPL. Retrieved 2015-05-08.
- ↑ "JPL Small-Body Database Search Engine: orbital class (MCA) and H < 12.1 (mag)". JPL Solar System Dynamics. Retrieved 2015-05-31.
External links
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