867 Kovacia
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| Discovery | |
|---|---|
| Discovered by | J. Palisa |
| Discovery date | February 25, 1917 |
| Designations | |
| Named after | Friedrich Kovacs |
| Alternative names |
1917 BS, 1942 XF 1958 WA |
| Minor planet category | Main belt (Hygiea family) |
| Orbital characteristics | |
| Epoch 18 August 2005 (JD 2453600.5) | |
| Aphelion | 519.0 Gm (3.469 AU) |
| Perihelion | 397.0 Gm (2.654 AU) |
| Semi-major axis | 458.1 Gm (3.062 AU) |
| Eccentricity | 0.133 |
| Orbital period | 1957 d (5.36 a) |
| Average orbital speed | 16.95 km/s |
| Mean anomaly | 200.210° |
| Inclination | 5.984° |
| Longitude of ascending node | 49.610° |
| Argument of perihelion | 71.605° |
| Physical characteristics | |
| Dimensions | 24 km |
| Mass | ~1.0×1016 kg (estimate) |
| Mean density | ~1.4 g/cm³ (estimate)[2] |
| Equatorial surface gravity | ~0.0047 m/s² (estimate) |
| Escape velocity | ~0.011 km/s (estimate) |
| Rotation period | unknown |
| Albedo | 0.0923 [1] |
| Temperature |
~159 K max: 242K (-31° C) |
| Spectral type | B-type asteroid[3] |
| Absolute magnitude (H) | 11.30 |
|
| |
867 Kovacia is a minor planet orbiting the Sun.
References
- G. A. Krasinsky et al. Hidden Mass in the Asteroid Belt, Icarus, Vol. 158, p. 98 (2002).
- T. Mothé-Diniz et al. Rotationally Resolved Spectra of 10 Hygiea and a Spectroscopic Study of the Hygiea Family, Icarus, Vol. 152, p. 117 (2001).
External links
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