867 Kovacia
|
A three-dimensional model of 867 Kovacia based on its light curve. | |
| Discovery | |
|---|---|
| Discovered by | J. Palisa |
| Discovery date | 25 February 1917 |
| Designations | |
Named after | Friedrich Kovacs |
|
1917 BS, 1942 XF 1958 WA | |
| Main belt (Hygiea family) | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 97.33 yr (35550 days) |
| Aphelion | 3.4612 AU (517.79 Gm) |
| Perihelion | 2.6720 AU (399.73 Gm) |
| 3.0666 AU (458.76 Gm) | |
| Eccentricity | 0.12868 |
| 5.37 yr (1961.5 d) | |
Average orbital speed | 16.95 km/s |
| 216.886° | |
| 0° 11m 0.708s / day | |
| Inclination | 5.9748° |
| 46.829° | |
| 70.019° | |
| Earth MOID | 1.69428 AU (253.461 Gm) |
| Jupiter MOID | 1.67283 AU (250.252 Gm) |
| Jupiter Tisserand parameter | 3.211 |
| Physical characteristics | |
Mean radius | 12.02±1.1 km,[1] 12 km[2] |
| Mass | ~1.0×1016 kg (estimate) |
Mean density | ~1.4 g/cm³ (estimate)[3] |
Equatorial surface gravity | ~0.0047 m/s² (estimate) |
Equatorial escape velocity | ~0.011 km/s (estimate) |
| 8.6772 h (0.36155 d) | |
| 0.0923,[2] 0.0923±0.019[1] | |
| Temperature |
~159 K max: 242K (-31° C) |
| B-type asteroid[4] | |
| 11.4 | |
|
| |
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867 Kovacia is a minor planet orbiting the Sun.
References
- 1 2 3 "867 Kovacia (1917 BS)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 4 May 2016.
- 1 2 "Supplemental IRAS Minor Planet Survey".
- ↑ G. A. Krasinsky; et al. (2002). "Hidden Mass in the Asteroid Belt". Icarus 158: 98.
- ↑ T. Mothé-Diniz; et al. (2001). "Rotationally Resolved Spectra of 10 Hygiea and a Spectroscopic Study of the Hygiea Family". Icarus 152: 117.
External links
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