276 Adelheid
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Discovery A | |
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Discoverer | Johann Palisa |
Discovery date | April 17, 1888 |
Alternate designations B |
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Category | Main belt |
Orbital elements C | |
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Eccentricity (e) | 0.073 |
Semi-major axis (a) | 465.694 Gm (3.113 AU) |
Perihelion (q) | 431.765 Gm (2.886 AU) |
Aphelion (Q) | 499.623 Gm (3.34 AU) |
Orbital period (P) | 2006.1 d (5.49 a) |
Mean orbital speed | 16.88 km/s |
Inclination (i) | 21.645° |
Longitude of the ascending node (Ω) |
211.301° |
Argument of perihelion (ω) |
268.386° |
Mean anomaly (M) | 168.822° |
Physical characteristics D | |
Dimensions | 122.0 km |
Mass | unknown |
Density | unknown |
Surface gravity | unknown |
Escape velocity | unknown |
Rotation period | unknown |
Spectral class | PC |
Absolute magnitude | 8.56 |
Albedo (geometric) | unknown |
Mean surface temperature |
unknown |
276 Adelheid is a very large Main belt asteroid. It is classified by IRAS satellite as a combination of P-type and C-type asteroids and so is probably composed of primitive carbonaceous materials.
It was discovered by Johann Palisa on April 17, 1888 in Vienna.
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