4547 Massachusetts
| Discovery | |
|---|---|
| Discovered by | Kazuro Watanabe and Kin Endate |
| Discovery site | Sapporo |
| Discovery date | 16 May 1990 |
| Designations | |
| MPC designation | 4547 |
Named after | Massachusetts |
| 1990 KP | |
| Orbital characteristics[1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 38900 days (106.50 yr) |
| Aphelion | 2.7955152 AU (418.20312 Gm) |
| Perihelion | 2.4297734 AU (363.48893 Gm) |
| 2.612644 AU (390.8460 Gm) | |
| Eccentricity | 0.0699946 |
| 4.22 yr (1542.5 d) | |
| 206.29634° | |
| 0° 14m 0.207s / day | |
| Inclination | 18.01763° |
| 358.30953° | |
| 38.22281° | |
| Earth MOID | 1.4471 AU (216.48 Gm) |
| Jupiter MOID | 2.49684 AU (373.522 Gm) |
| Jupiter Tisserand parameter | 3.336 |
| Physical characteristics | |
Mean radius | 12.185 ± 1.4 km |
| 7.703 h (0.3210 d) | |
| 0.1184 ± 0.032 | |
| 11.7 | |
|
| |
4547 Massachusetts (1990 KP) is a main-belt asteroid discovered on May 16, 1990 by Kazuro Watanabe and Kin Endate at Sapporo. Photometric observations of the asteroid during 2006 at the Palmer Divide Observatory in Colorado Springs, Colorado, were used to generate a light curve with a period of 7.703 ± 0.005 hours and a variation in brightness of 0.29 ± 0.02 magnitude.[2]
References
- ↑ "4547 Massachusetts (1990 KP)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 14 April 2016.
- ↑ Warner, Brian D. (September 2006), "Asteroid lightcurve analysis at the Palmer Divide Observatory - late 2005 and early 2006", The Minor Planet Bulletin 33: 58–62, Bibcode:2006MPBu...33...58W.
External links
- JPL Small-Body Database Browser on 4547 Massachusetts
- 4547 Massachusetts at the JPL Small-Body Database
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