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Discovery
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| Discovered by | David C. Jewitt, Jane X. Luu, Chadwick A. Trujillo, Jun Chen[1] |
| Discovery date | February 6, 1997 |
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Designations
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| MPC designation | (33001) 1997 CU29 |
| Alternative names | none |
| Minor planet category |
TNO (cubewano) |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 6753.621 Gm (45.145 AU) |
| Perihelion | 6239.112 Gm (41.706 AU) |
| Semi-major axis | 6496.367 Gm (43.426 AU) |
| Eccentricity | 0.040 |
| Orbital period | 104524.019 d (286.17 a) |
| Average orbital speed | 4.52 km/s |
| Mean anomaly | 229.795° |
| Inclination | 1.455° |
| Longitude of ascending node | 350.273° |
| Argument of perihelion | 267.544° |
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Physical characteristics
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| Dimensions | 211 km[2] |
| Mass | 1.3×1019? kg |
| Mean density | 2.0? g/cm³ |
| Equatorial surface gravity | 0.0641? m/s² |
| Escape velocity | 0.1213? km/s |
| Sidereal rotation period |
? d |
| Albedo | 0.10? |
| Temperature | ~42 K |
| Spectral type | ? |
| Absolute magnitude | 6.6 |
(33001) 1997 CU29, also written as (33001) 1997 CU29 is a cubewano. It has a perihelion (closest approach to the Sun) at 41.660 AU and an aphelion (farthest approach from the Sun) of 45.134 AU. 1997 CU29 is about 211 km in diameter. It was discovered on February 6, 1997 by David C. Jewitt, Jane X. Luu, Chad Trujillo, and Jun Chen at the Mauna Kea Observatory, Hawaii.
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