(33001) 1997 CU29
(33001) 1997 CU29 (provisional designation 1997 CU29) is a cold classical Kuiper belt object, or cubewano. It has a perihelion (closest approach to the Sun) at 41.6 AU and an aphelion (farthest approach from the Sun) of 45.1 AU. 1997 CU29 is about 280 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.
| Discovery | |
|---|---|
| Discovered by | David C. Jewitt Jane X. Luu Chadwick A. Trujillo Jun Chen |
| Discovery date | 6 February 1997 |
| Designations | |
MPC designation | (33001) 1997 CU29 |
Alternative designations | none |
Minor planet category | TNO (cubewano) (cold) |
| Orbital characteristics | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 5880 days (16.10 yr) |
| Aphelion | 45.29450 AU (6.775961 Tm) |
| Perihelion | 42.07164 AU (6.293828 Tm) |
Semi-major axis | 43.68307 AU (6.534894 Tm) |
| Eccentricity | 0.036889 |
Orbital period (sidereal) | 288.72 yr (105455 d) |
Average orbital speed | 4.52 km/s |
Mean anomaly | 248.774° |
Mean motion | 0° 0m 12.29s / day |
| Inclination | 1.45231° |
Longitude of ascending node | 350.339° |
| 259.868° | |
| Earth MOID | 41.0568 AU (6.14201 Tm) |
| Jupiter MOID | 36.7177 AU (5.49289 Tm) |
| Physical characteristics | |
| Dimensions | 280 km |
| Mass | 1.3×1019? kg |
Mean density | 2.0? g/cm3 |
Equatorial surface gravity | 0.0641? m/s2 |
Equatorial escape velocity | 0.1213? km/s |
Sidereal rotation period | ? d |
| 0.10? | |
| Temperature | ~ 42 K |
| ? | |
| 6.5 | |
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