386 Siegena
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Discovery A | |
---|---|
Discoverer | Max Wolf |
Discovery date | March 1, 1894 |
Alternate designations B |
1894 AY |
Category | Main belt |
Orbital elements C | |
|
|
Eccentricity (e) | 0.173 |
Semi-major axis (a) | 433.03 Gm (2.895 AU) |
Perihelion (q) | 358.147 Gm (2.394 AU) |
Aphelion (Q) | 507.913 Gm (3.395 AU) |
Orbital period (P) | 1798.783 d (4.92 a) |
Mean orbital speed | 17.51 km/s |
Inclination (i) | 20.255° |
Longitude of the ascending node (Ω) |
166.951° |
Argument of perihelion (ω) |
220.254° |
Mean anomaly (M) | 305.663° |
Physical characteristics D | |
Dimensions | 165.0 km |
Mass | unknown |
Density | unknown |
Surface gravity | unknown |
Escape velocity | unknown |
Rotation period | unknown |
Spectral class | C |
Absolute magnitude | 7.43 |
Albedo (geometric) | unknown |
Mean surface temperature |
unknown |
386 Siegena is a very large Main belt asteroid. It is classified as a C-type asteroid and is probably composed of primitive carbonaceous material.
It was discovered by Max Wolf on March 1, 1894 in Heidelberg.