List of unnumbered trans-Neptunian objects: 2001 The following is a partial list of unnumbered trans-Neptunian objects for principal designations assigned within 2001. As of April 2022, it contains a total of 92 bodies.[1][2][3] For more information see the description on the main page. Also see list for the previous and next year. 2001 See also: List of unnumbered trans-Neptunian objects Designation First Observed (discovered) D (km) Orbital description Remarks Refs Date Observer (Site) Class a (AU) e i (°) q (AU) Q (AU) 2001 DB106 28 February 2001 O. R. Hainaut A. C. Delsanti (809) 167 cubewano (cold) 42.9 0.04 4 41.1 44.7 — MPC · JPL 2001 DC106 28 February 2001 O. R. Hainaut A. C. Delsanti (809) 174 cubewano (cold) 42.0 0.06 2 39.5 44.5 — MPC · JPL 2001 DD106 28 February 2001 O. R. Hainaut A. C. Delsanti (809) 115 cubewano (cold) 43.8 0.09 2 39.8 47.7 — MPC · JPL 2001 DM108 22 February 2001 Mauna Kea Obs. (568) 119 cubewano? 45.4 0.00 3 45.4 45.4 — MPC · JPL 2001 DN108 22 February 2001 Mauna Kea Obs. (568) 95 cubewano? 45.5 0.00 8 45.5 45.5 — MPC · JPL 2001 DO108 22 February 2001 Mauna Kea Obs. (568) 72 cubewano? 43.0 0.00 3 43.0 43.0 — MPC · JPL 2001 DP108 22 February 2001 Mauna Kea Obs. (568) 47 plutino? 39.5 0.31 1 27.4 51.6 — MPC · JPL 2001 DQ108 22 February 2001 Mauna Kea Obs. (568) 65 cubewano? 45.4 0.00 3 45.4 45.4 — MPC · JPL 2001 DR106 22 February 2001 Mauna Kea Obs. (568) 75 cubewano? 44.5 0.00 2 44.5 44.5 — MPC · JPL 2001 DS106 22 February 2001 Mauna Kea Obs. (568) 75 cubewano? 42.6 0.00 6 42.6 42.6 — MPC · JPL 2001 DS108 22 February 2001 Mauna Kea Obs. (568) 86 cubewano? 45.9 0.00 3 45.9 45.9 — MPC · JPL 2001 DT108 25 February 2001 Mauna Kea Obs. (568) 60 plutino? 39.5 0.19 2 32.1 46.9 — MPC · JPL 2001 DU108 22 February 2001 Mauna Kea Obs. (568) 68 cubewano? 45.0 0.05 3 42.8 47.2 — MPC · JPL 2001 DV108 22 February 2001 D. Kinoshita J. Watanabe T. Fuse (568) 95 other TNO 45.7 0.26 5 33.7 57.7 — MPC · JPL 2001 ES24 1 March 2001 O. R. Hainaut A. C. Delsanti (809) 110 cubewano (cold) 44.1 0.06 4 41.3 46.9 — MPC · JPL 2001 FB185 27 March 2001 Kitt Peak Obs. (695) 29 cubewano? 43.2 0.09 4 39.4 46.9 — MPC · JPL 2001 FC185 27 March 2001 Kitt Peak Obs. (695) 100 other TNO 42.9 0.10 20 38.6 47.3 — MPC · JPL 2001 FC193 27 March 2001 Kitt Peak Obs. (695) 65 cubewano? 46.5 0.00 3 46.5 46.5 — MPC · JPL 2001 FD193 27 March 2001 Kitt Peak Obs. (695) 82 cubewano? 44.8 0.00 13 44.8 44.8 — MPC · JPL 2001 FF193 27 March 2001 Kitt Peak Obs. (695) 99 cubewano? 44.7 0.00 2 44.7 44.7 — MPC · JPL 2001 FG193 27 March 2001 Kitt Peak Obs. (695) 68 cubewano? 46.5 0.11 3 41.5 51.6 — MPC · JPL 2001 FJ193 27 March 2001 Kitt Peak Obs. (695) 65 plutino? 39.3 0.08 1 36.2 42.5 — MPC · JPL 2001 FJ194 22 March 2001 Kitt Peak Obs. (695) 114 SDO 66.0 0.44 10 37.0 95.0 — MPC · JPL 2001 FK194 22 March 2001 Kitt Peak Obs. (695) 92 centaur 76.3 0.63 9 28.0 125 — MPC · JPL 2001 FL185 26 March 2001 M. W. Buie (695) 126 cubewano (cold) 43.9 0.07 4 40.8 46.9 binary: 88 km MPC · JPL 2001 FM194 22 March 2001 Kitt Peak Obs. (695) 119 SDO 54.0 0.36 29 34.3 73.6 BR-mag: 1.19; taxonomy: BR MPC · JPL 2001 FN194 22 March 2001 Kitt Peak Obs. (695) 83 SDO 67.0 0.48 7 35.0 98.9 — MPC · JPL 2001 FS185 26 March 2001 Kitt Peak Obs. (695) 99 cubewano? 43.3 0.04 5 41.4 45.1 — MPC · JPL 2001 FT185 26 March 2001 M. W. Buie (695) 109 other TNO 47.1 0.11 20 42.1 52.1 — MPC · JPL 2001 FU172 22 March 2001 B. Gladman (695) 99 plutino 39.4 0.27 25 28.9 49.8 BR-mag: 3.57 MPC · JPL 2001 FV185 26 March 2001 Kitt Peak Obs. (695) 136 plutino? 39.4 0.12 24 34.4 44.3 — MPC · JPL 2001 HA59 26 April 2001 O. R. Hainaut A. C. Delsanti (809) 167 cubewano (cold) 43.9 0.06 1 41.2 46.5 — MPC · JPL 2001 KA77 24 May 2001 M. W. Buie (807) 634 cubewano (hot) 47.6 0.10 12 43.0 52.3 albedo: 0.025; BR-mag: 1.82; taxonomy: RR MPC · JPL 2001 KE77 24 May 2001 M. W. Buie (807) 151 other TNO 45.7 0.18 21 37.3 54.0 — MPC · JPL 2001 KF76 22 May 2001 M. W. Buie (807) 121 cubewano (cold) 44.6 0.03 3 43.3 45.9 — MPC · JPL 2001 KG76 22 May 2001 M. W. Buie (807) 208 res · 4:9 51.6 0.34 2 34.2 69.0 BR-mag: 1.92 MPC · JPL 2001 KG77 23 May 2001 M. W. Buie (807) 91 SDO 62.3 0.46 16 34.0 90.7 BR-mag: 1.24 MPC · JPL 2001 KH76 22 May 2001 M. W. Buie (807) 145 cubewano (cold) 46.4 0.13 3 40.4 52.4 — MPC · JPL 2001 KL76 22 May 2001 M. W. Buie (807) 173 res · 5:9 44.6 0.10 1 40.3 49.0 — MPC · JPL 2001 KM76 22 May 2001 Cerro Tololo Obs. (807) 130 cubewano? 44.9 0.07 1 41.5 48.2 — MPC · JPL 2001 KO77 23 May 2001 M. W. Buie (807) 109 other TNO 44.1 0.15 21 37.5 50.7 — MPC · JPL 2001 KQ76 24 May 2001 M. W. Buie (807) 282 cubewano (hot) 42.8 0.10 6 38.5 47.2 — MPC · JPL 2001 KS76 24 May 2001 Cerro Tololo Obs. (807) 109 cubewano? 43.6 0.09 3 39.6 47.7 — MPC · JPL 2001 KW76 22 May 2001 M. W. Buie (807) 126 other TNO 46.3 0.22 11 36.0 56.6 — MPC · JPL 2001 KY76 22 May 2001 M. W. Buie (807) 285 plutino 39.6 0.24 4 30.1 49.2 BR-mag: 1.84 MPC · JPL 2001 KZ76 24 May 2001 Cerro Tololo Obs. (807) 104 SDO 79.0 0.52 26 38.2 120 — MPC · JPL 2001 OG109 27 July 2001 R. L. Allen G. Bernstein R. Malhotra (568) 80 cubewano (cold) 43.9 0.02 1 42.9 44.8 — MPC · JPL 2001 OJ108 24 July 2001 Mauna Kea Obs. (568) 95 cubewano? 44.9 0.09 9 40.8 49.0 — MPC · JPL 2001 OK108 24 July 2001 B. Gladman (568) 108 cubewano (cold) 43.3 0.04 2 41.8 44.8 — MPC · JPL 2001 OL108 24 July 2001 Mauna Kea Obs. (568) 72 cubewano? 45.6 0.11 3 40.7 50.5 — MPC · JPL 2001 OM108 25 July 2001 Mauna Kea Obs. (568) 86 cubewano? 46.1 0.04 12 44.3 47.8 — MPC · JPL 2001 OM109 26 July 2001 J.-M. Petit J. J. Kavelaars M. J. Holman B. Gladman (568) 99 SDO 69.3 0.50 4 35.0 104 — MPC · JPL 2001 ON108 25 July 2001 B. Gladman (568) 104 cubewano? 43.0 0.03 1 41.7 44.4 — MPC · JPL 2001 OO108 27 July 2001 B. Gladman (568) 99 SDO 51.6 0.33 1 34.8 68.3 — MPC · JPL 2001 OQ108 24 July 2001 B. Gladman (568) 167 cubewano (cold) 45.5 0.01 2 45.1 45.9 — MPC · JPL 2001 OR108 24 July 2001 Mauna Kea Obs. (568) 90 cubewano? 45.7 0.10 3 41.2 50.1 — MPC · JPL 2001 OS108 25 July 2001 Mauna Kea Obs. (568) 150 cubewano? 46.5 0.00 2 46.5 46.5 — MPC · JPL 2001 OT108 25 July 2001 Mauna Kea Obs. (568) 55 SDO 67.0 0.52 1 32.4 101 — MPC · JPL 2001 OU108 27 July 2001 Mauna Kea Obs. (568) 209 other TNO 46.8 0.00 28 46.8 46.8 — MPC · JPL 2001 OY108 24 July 2001 Mauna Kea Obs. (568) 114 cubewano? 46.1 0.10 7 41.5 50.6 — MPC · JPL 2001 OZ108 24 July 2001 B. Gladman (568) 73 cubewano (cold) 43.7 0.05 2 41.5 45.8 — MPC · JPL 2001 PK47 12 August 2001 C. Veillet (568) 176 cubewano (hot) 40.0 0.07 9 37.2 42.8 — MPC · JPL 2001 QA298 19 August 2001 M. W. Buie (807) 126 other TNO 46.7 0.20 24 37.5 55.9 — MPC · JPL 2001 QQ297 19 August 2001 M. W. Buie (807) 132 cubewano (cold) 44.7 0.09 4 40.9 48.5 — MPC · JPL 2001 QS297 20 August 2001 Cerro Tololo Obs. (807) 285 cubewano? 43.8 0.00 5 43.8 43.8 — MPC · JPL 2001 QU297 20 August 2001 Cerro Tololo Obs. (807) 217 cubewano? 43.7 0.00 3 43.7 43.7 — MPC · JPL 2001 QV297 20 August 2001 Cerro Tololo Obs. (807) 189 cubewano? 44.0 0.00 2 44.0 44.0 — MPC · JPL 2001 QW322 24 August 2001 68 Mauna Kea 128 cubewano (cold) 44.4 0.02 5 43.5 45.2 albedo: 0.093; binary: 126 km MPC · JPL 2001 QX297 20 August 2001 M. W. Buie (807) 183 cubewano (cold) 44.5 0.03 1 43.0 46.0 — MPC · JPL 2001 QZ297 19 August 2001 M. W. Buie (807) 139 cubewano (cold) 44.7 0.07 2 41.6 47.8 — MPC · JPL 2001 RL155 12 September 2001 Kitt Peak Obs. (695) 95 cubewano? 44.2 0.12 1 38.7 49.7 — MPC · JPL 2001 RV143 12 September 2001 M. W. Buie (695) 150 cubewano? 46.3 0.08 1 42.7 50.0 — MPC · JPL 2001 RW143 12 September 2001 M. W. Buie (695) 132 cubewano (cold) 43.2 0.04 3 41.6 44.9 — MPC · JPL 2001 RY143 12 September 2001 M. W. Buie (695) 137 cubewano? 42.3 0.15 7 35.9 48.7 — MPC · JPL 2001 SD291 18 September 2001 Palomar Obs. (675) 76 cubewano (cold) 45.8 0.09 3 41.6 50.0 — MPC · JPL 2001 SE291 18 September 2001 P. Nicholson C. Dumas A. W. Harris B. Gladman (675) 121 cubewano (cold) 45.7 0.14 2 39.4 51.9 — MPC · JPL 2001 UA17 17 October 2001 La Silla Obs. (809) 164 cubewano? 42.9 0.07 6 39.9 45.9 — MPC · JPL 2001 UB17 17 October 2001 La Silla Obs. (809) 119 plutino? 39.6 0.07 5 37.0 42.3 — MPC · JPL 2001 UC17 17 October 2001 La Silla Obs. (809) 143 plutino? 39.6 0.14 3 33.8 45.4 — MPC · JPL 2001 UN18 19 October 2001 M. W. Buie (695) 167 cubewano (cold) 44.4 0.07 4 41.3 47.6 — MPC · JPL 2001 UP18 19 October 2001 M. W. Buie (695) 228 twotino 48.0 0.07 1 44.4 51.5 BR-mag: 1.49; taxonomy: IR MPC · JPL 2001 VN71 9 November 2001 B. Gladman J. J. Kavelaars (568) 72 plutino 39.3 0.24 19 29.7 49.0 — MPC · JPL 2001 XB255 9 December 2001 S. S. Sheppard D. C. Jewitt J. Kleyna (568) 150 cubewano? 74.9 0.45 2 41.3 108 — MPC · JPL 2001 XC255 9 December 2001 Mauna Kea Obs. (568) 114 cubewano? 43.8 0.05 2 41.7 45.9 — MPC · JPL 2001 XE255 9 December 2001 Mauna Kea Obs. (568) 90 cubewano? 43.5 0.00 10 43.5 43.5 — MPC · JPL 2001 XF255 9 December 2001 Mauna Kea Obs. (568) 99 cubewano? 44.0 0.00 1 44.0 44.0 — MPC · JPL 2001 XG255 9 December 2001 Mauna Kea Obs. (568) 75 cubewano? 43.9 0.07 2 41.0 46.9 — MPC · JPL 2001 XJ255 11 December 2001 Mauna Kea Obs. (568) 75 cubewano? 44.4 0.07 10 41.1 47.8 — MPC · JPL 2001 XU254 9 December 2001 S. S. Sheppard J. Kleyna D. C. Jewitt (568) 237 cubewano (hot) 43.2 0.07 7 40.0 46.4 — MPC · JPL 2001 XV254 9 December 2001 Mauna Kea Obs. (568) 137 cubewano? 45.7 0.00 6 45.7 45.7 — MPC · JPL 2001 XW254 10 December 2001 Mauna Kea Obs. (568) 99 cubewano? 42.3 0.00 6 42.3 42.3 — MPC · JPL 2001 XX254 11 December 2001 J. Kleyna D. C. Jewitt S. S. Sheppard (568) 114 cubewano (cold) 43.5 0.02 2 42.5 44.6 — MPC · JPL back to top References ^ a b "List Of Transneptunian Objects". Minor Planet Center. 16 April 2022. Retrieved 16 April 2022. ^ a b "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. 16 April 2022. Retrieved 16 April 2022. ^ a b "List of Known Trans-Neptunian Objects". Johnston's Archive. 2 January 2022. Retrieved 16 April 2022.

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Prefix: a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9

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