2138 Swissair
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Discovery A | |
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Discoverer | Paul Wild |
Discovery date | April 17, 1968 |
Alternate designations B |
1938 OH; 1942 JD; 1946 GA; 1968 HB; 1977 KE |
Category | Main belt |
Orbital elements C | |
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Eccentricity (e) | 0.067 |
Semi-major axis (a) | 401.935 Gm (2.687 AU) |
Perihelion (q) | 375.172 Gm (2.508 AU) |
Aphelion (Q) | 428.699 Gm (2.866 AU) |
Orbital period (P) | 1608.588 d (4.40 a) |
Mean orbital speed | 18.15 km/s |
Inclination (i) | 5.931° |
Longitude of the ascending node (Ω) |
105.761° |
Argument of perihelion (ω) |
170.925° |
Mean anomaly (M) | 123.346° |
Physical characteristics D | |
Dimensions | 15.5 km |
Mass | 3.9×1015? kg |
Density | 2.0? g/cm³ |
Surface gravity | 0.0043? m/s² |
Escape velocity | 0.0082? km/s |
Rotation period | ? d |
Spectral class | ? |
Absolute magnitude | 11.5 |
Albedo (geometric) | 0.1? |
Mean surface temperature |
~170 K |
2138 Swissair was the name given to an asteroid discovered on April 17, 1968 by Swiss astronomer Paul Wild at the Zimmerwald Observatory near Berne, Switzerland.
[edit] See also
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