4957 Brucemurray
| Discovery[1] | |
|---|---|
| Discovered by | Eleanor F. Helin |
| Discovery site | Palomar |
| Discovery date | 15 December 1990 |
| Designations | |
| MPC designation | 1990 XJ |
Named after | Bruce C. Murray |
| MPO 337294 | |
| Orbital characteristics[2] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 14295 days (39.14 yr) |
| Aphelion | 1.908380432373775 AU (285.48964916866 Gm) |
| Perihelion | 1.222574660787121 AU (182.89456602552 Gm) |
| 1.565477546580 AU (234.1921075970 Gm) | |
| Eccentricity | 0.2190404369212110 |
| 1.96 yr (715.43 d) | |
| 340.2498839721010° | |
| 0° 30m 11.492s / day | |
| Inclination | 35.00671266781850° |
| 254.9152834203580° | |
| 97.46453446426670° | |
| Earth MOID | 0.424606 AU (63.5202 Gm) |
| Jupiter MOID | 3.59536 AU (537.858 Gm) |
| Jupiter Tisserand parameter | 4.201 |
| Physical characteristics | |
| Dimensions | 3 – 6 km[3] |
| 2.892 h (0.1205 d) | |
Sidereal rotation period | 2.89 h[2] |
| 14.9[2] | |
|
| |
4957 Brucemurray (or 1990 XJ) is an Amor asteroid discovered on December 15, 1990 by Eleanor F. Helin at Palomar.
With an absolute magnitude of 14.9,[2] the asteroid is about 3–6 km in diameter.[3] On 2033-May-18 the asteroid will pass 0.0684 AU (10,230,000 km; 6,360,000 mi) from Mars.[2]
References
- ↑ "(4957) Brucemurray = 1990 XJ". Minor Planet Center. Retrieved 2015-06-04.
- 1 2 3 4 5 "JPL Small-Body Database Browser: 4957 Brucemurray (1990 XJ)". Jet Propulsion Laboratory. Retrieved 13 April 2016.
- 1 2 "Absolute Magnitude (H)". NASA/JPL. Retrieved 2014-06-27.
External links
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