1865 Cerberus
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Discovery A | |
---|---|
Discoverer | L. Kohoutek |
Discovery date | October 26, 1971 |
Alternate designations B |
1971 UA |
Category | Apollo, Mars crosser |
Orbital elements C | |
|
|
Eccentricity (e) | 0.47 |
Semi-major axis (a) | 151.56 Gm (1.08 AU) |
Perihelion (q) | 86.12 Gm (0.58 AU) |
Aphelion (Q) | 237.01 Gm (1.58 AU) |
Orbital period (P) | 409.95 d (1.12 a) |
Mean orbital speed | 27.03 km/s |
Inclination (i) | 16.09° |
Longitude of the ascending node (Ω) |
213.00° |
Argument of perihelion (ω) |
325.18° |
Mean anomaly (M) | 60.82° |
Physical characteristics D | |
Dimensions | 1.2 km |
Mass | ?? kg |
Density | ? g/cm³ |
Surface gravity | ? m/s² |
Escape velocity | ? km/s |
Rotation period | 6.8 h |
Spectral class | S |
Absolute magnitude | 16.8 |
Albedo (geometric) | .22 |
Mean surface temperature |
~? K |
1865 Cerberus is an Apollo and a Mars crosser asteroid, discovered in 1971 by L. Kohoutek.
Cerberus passes within 30 Gm (Gigametre) of the Earth 7 times from the year 1900 to the year 2100, each time at a distance of 24.4 Gm to 25.7 Gm.