4085 Weir
| Discovery | |
|---|---|
| Discovered by | C. S. Shoemaker |
| Discovery site | Palomar Observatory |
| Discovery date | 13 May 1985 |
| Designations | |
| 4085 | |
| 1985 JR | |
| Orbital characteristics[1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 12502 days (34.23 yr) |
| Aphelion | 2.8839 AU (431.43 Gm) |
| Perihelion | 2.3299 AU (348.55 Gm) |
| 2.6069 AU (389.99 Gm) | |
| Eccentricity | 0.10627 |
| 4.21 yr (1537.4 d) | |
| 121.386° | |
| 0° 14m 2.976s / day | |
| Inclination | 14.218° |
| 68.691° | |
| 136.101° | |
| Earth MOID | 1.34168 AU (200.712 Gm) |
| Jupiter MOID | 2.13757 AU (319.776 Gm) |
| TJupiter | 3.360 |
| Physical characteristics | |
| 14.602 h (0.6084 d) | |
| 12.1 | |
4085 Weir (1985 JR) is a main-belt asteroid discovered on May 13, 1985 by C. S. Shoemaker at Palomar Observatory.
Photometric observations of this asteroid collected during 2006 show a rotation period of 14.602 ± 0.005 hours with a brightness variation of 0.18 ± 0.02 magnitude.[2]
References
- ^ "4085 Weir (1985 JR)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 14 April 2016.
- ^ Warner, Brian D. (December 2006), "Asteroid lightcurve analysis at the Palmer Divide Observatory - March - June 2006", The Minor Planet Bulletin, 33 (4): 85–88, Bibcode:2006MPBu...33...85W.
External links
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