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Discovery
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| Discovered by | Hendrik van Gent |
| Discovery date | September 28, 1935 |
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Designations
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| Named after | Christiaan Huygens |
| Alternate name(s) | 1935 SU1, 1968 UG, 1976 JP5, 1977 TT1, 1980 FF11, 1982 UZ |
| Minor planet category |
Main belt (Gefion family) |
| Epoch November 26, 2005 (JD 2453700.5) | |
| Aphelion | 491.952 Gm (3.288 AU) |
| Perihelion | 345.865 Gm (2.312 AU) |
| Semi-major axis | 418.908 Gm (2.800 AU) |
| Eccentricity | 0.174 |
| Orbital period | 1711.547 d (4.69 a) |
| Average orbital speed | 17.66 km/s |
| Mean anomaly | 6.899° |
| Inclination | 9.564° |
| Longitude of ascending node | 34.228° |
| Argument of perihelion | 314.770° |
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Physical characteristics
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| Dimensions | unknown |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Albedo | unknown |
| Temperature | ~166 K (estimate) |
| Spectral type | S-type asteroid |
| Absolute magnitude (H) | 12.20 |
2801 Huygens is a small main belt asteroid, which was discovered by Hendrik van Gent in 1935. It belongs to the Gefion family of asteroids. It is named after Christiaan Huygens, the Dutch astronomer, mathematician and physicist.
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