630 Euphemia
Appearance
Discovery | |
---|---|
Discovered by | August Kopff |
Discovery date | March 7, 1907 |
Designations | |
Named after | Euphemia |
1907 XW; A924 DC | |
Main belt (Eunomia family) | |
Orbital characteristics | |
Epoch August 18, 2005 (JD 2453600.5) | |
Aphelion | 437.1 Gm (2.922 AU) |
Perihelion | 348.0 Gm (2.326 AU) |
392.5 Gm (2.624 AU) | |
Eccentricity | 0.114 |
1552.5 d (4.76 a) | |
Average orbital speed | 18.33 km/s |
65.452° | |
Inclination | 13.844° |
105.571° | |
40.580° | |
Physical characteristics | |
Dimensions | 17 km[1] |
Mass | ~7×1015 kg (estimate) |
Mean density | ~2.7 g/cm³ (estimate)[2] |
~0.006 m/s² (estimate) | |
~0.011 km/s (estimate) | |
unknown | |
Albedo | 0.238 |
Temperature | ~165 K max: 248K (-26° C) |
Spectral type | S-type asteroid |
11.00 | |
630 Euphemia is a mid-sized Eunomian asteroid.
References
- G. A. Krasinsky et al. Hidden Mass in the Asteroid Belt, Icarus, Vol. 158, p. 98 (2002).
External links