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Discovery
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| Discovered by | Paul Wild |
| Discovery date | April 17, 1968 |
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Designations
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| Named after | Swissair |
| Alternate name(s) | 1938 OH; 1942 JD; 1946 GA; 1968 HB; 1977 KE |
| Minor planet category |
Main belt |
| Epoch November 26, 2005 (JD 2453700.5) | |
| Aphelion | 428.699 Gm (2.866 AU) |
| Perihelion | 375.172 Gm (2.508 AU) |
| Semi-major axis | 401.935 Gm (2.687 AU) |
| Eccentricity | 0.067 |
| Orbital period | 1608.588 d (4.40 a) |
| Average orbital speed | 18.15 km/s |
| Mean anomaly | 123.346° |
| Inclination | 5.931° |
| Longitude of ascending node | 105.761° |
| Argument of perihelion | 170.925° |
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Physical characteristics
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| Dimensions | 15.5 km |
| Mass | 3.9×1015? kg |
| Mean density | 2.0? g/cm³ |
| Equatorial surface gravity | 0.0043? m/s² |
| Escape velocity | 0.0082? km/s |
| Rotation period | ? d |
| Albedo | 0.1? |
| Temperature | ~170 K |
| Spectral type | ? |
| Absolute magnitude (H) | 11.5 |
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.
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