52246 Donaldjohanson
| Discovery [1] | |
|---|---|
| Discovered by | S. J. Bus |
| Discovery site | Siding Spring Obs. |
| Discovery date | 2 March 1981 |
| Designations | |
| MPC designation | 52246 (1981 EQ5) |
| 1981 EQ5 · 1998 YF26 | |
| main-belt | |
| Orbital characteristics [1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 12153 days (33.27 yr) |
| Aphelion | 2.8274 AU (422.97 Gm) |
| Perihelion | 1.9410 AU (290.37 Gm) |
| 2.3842 AU (356.67 Gm) | |
| Eccentricity | 0.18590 |
| 3.68 yr (1344.6 d) | |
| 210.02° | |
| 0° 16m 3.828s / day | |
| Inclination | 4.4191° |
| 262.87° | |
| 212.96° | |
| Earth MOID | 0.958985 AU (143.4621 Gm) |
| Jupiter MOID | 2.29347 AU (343.098 Gm) |
| Jupiter Tisserand parameter | 3.509 |
| Physical characteristics | |
| 15.4 | |
|
| |
(52246) Donaldjohanson is a main-belt asteroid that may be visited by the Lucy (spacecraft) if it is selected for launch by NASA.[2] Its main target is several Jupiter trojans but the asteroid would potentially be observed en route.[2]
See also
References
- 1 2 "JPL Small-Body Database Browser: 52246 (1981 EQ5)" (2014-05-25 last obs.). Jet Propulsion Laboratory. Retrieved 12 April 2016.
- 1 2
External links
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