2138 Swissair
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| Discovery A | |
|---|---|
| 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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