(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.

(33001) 1997 CU₂₉

Discovery
Discovered by	David C. Jewitt Jane X. Luu Chadwick A. Trujillo Jun Chen[1]
Discovery date	6 February 1997
Designations
MPC designation	(33001) 1997 CU29
Alternative designations	none
Minor planet category	TNO (cubewano)[2][3] (cold)[4]
Orbital characteristics[5]
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°
Argument of perihelion	259.868°
Earth MOID	41.0568 AU (6.14201 Tm)
Jupiter MOID	36.7177 AU (5.49289 Tm)
Physical characteristics
Dimensions	280 km[6]
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
Geometric albedo	0.10?
Temperature	~ 42 K
Spectral type	?
Absolute magnitude (H)	6.5