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 October 2020, it contains a total of 106 bodies.[1][2][3] For more information see the description on the main page. Also see list for the previous and next year.
2001
| 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) | 222 | cubewano (cold) | 43.2 | 0.04 | 4 | 41.7 | 44.7 | — | MPC · JPL |
| 2001 DC106 | 28 February 2001 | O. R. Hainaut A. C. Delsanti (809) | 232 | cubewano (cold) | 42.1 | 0.06 | 2 | 39.7 | 44.6 | — | MPC · JPL |
| 2001 DD106 | 28 February 2001 | O. R. Hainaut A. C. Delsanti (809) | 154 | cubewano (cold) | 44.0 | 0.09 | 2 | 40.0 | 48.0 | — | MPC · JPL |
| 2001 DM108 | 22 February 2001 | D. Kinoshita J. Watanabe T. Fuse (568) | 154 | cubewano (cold) | 45.4 | 0.00 | 3 | 45.4 | 45.4 | — | MPC · JPL |
| 2001 DN108 | 22 February 2001 | D. Kinoshita J. Watanabe T. Fuse (568) | 122 | cubewano (hot) | 45.5 | 0.00 | 8 | 45.5 | 45.5 | — | MPC · JPL |
| 2001 DO108 | 22 February 2001 | D. Kinoshita J. Watanabe T. Fuse (568) | 93 | cubewano (cold) | 43.0 | 0.00 | 3 | 43.0 | 43.0 | — | MPC · JPL |
| 2001 DP108 | 22 February 2001 | D. Kinoshita J. Watanabe T. Fuse (568) | 44 | plutino? | 39.5 | 0.31 | 1 | 27.4 | 51.6 | — | MPC · JPL |
| 2001 DQ108 | 22 February 2001 | D. Kinoshita J. Watanabe T. Fuse (568) | 84 | cubewano (cold) | 45.4 | 0.00 | 3 | 45.4 | 45.4 | — | MPC · JPL |
| 2001 DR106 | 22 February 2001 | D. Kinoshita J. Watanabe T. Fuse (568) | 97 | cubewano (cold) | 44.5 | 0.00 | 2 | 44.5 | 44.5 | — | MPC · JPL |
| 2001 DS106 | 22 February 2001 | D. Kinoshita J. Watanabe T. Fuse (568) | 97 | cubewano (hot) | 42.6 | 0.00 | 6 | 42.6 | 42.6 | — | MPC · JPL |
| 2001 DS108 | 22 February 2001 | D. Kinoshita J. Watanabe T. Fuse (568) | 111 | cubewano (cold) | 45.9 | 0.00 | 3 | 45.9 | 45.9 | — | MPC · JPL |
| 2001 DT108 | 25 February 2001 | D. Kinoshita J. Watanabe T. Fuse (568) | 56 | plutino? | 39.5 | 0.19 | 2 | 32.1 | 46.9 | — | MPC · JPL |
| 2001 DU108 | 22 February 2001 | D. Kinoshita J. Watanabe T. Fuse (568) | 88 | cubewano (cold) | 45.0 | 0.05 | 3 | 42.8 | 47.2 | — | MPC · JPL |
| 2001 DV108 | 22 February 2001 | D. Kinoshita J. Watanabe T. Fuse (568) | 101 | other TNO | 46.2 | 0.27 | 5 | 33.8 | 58.6 | — | MPC · JPL |
| 2001 ES24 | 1 March 2001 | O. R. Hainaut A. C. Delsanti (809) | 147 | cubewano (cold) | 44.2 | 0.06 | 4 | 41.6 | 46.9 | — | MPC · JPL |
| 2001 FB185 | 27 March 2001 | R. L. Allen G. Bernstein R. Malhotra (695) | 37 | cubewano (cold) | 43.2 | 0.09 | 4 | 39.4 | 46.9 | — | MPC · JPL |
| 2001 FC185 | 27 March 2001 | R. L. Allen G. Bernstein R. Malhotra (695) | 106 | cubewano (hot) | 42.9 | 0.10 | 20 | 38.6 | 47.3 | — | MPC · JPL |
| 2001 FC193 | 27 March 2001 | R. L. Allen G. Bernstein R. Malhotra (695) | 84 | cubewano (cold) | 46.5 | 0.00 | 3 | 46.5 | 46.5 | — | MPC · JPL |
| 2001 FD193 | 27 March 2001 | R. L. Allen G. Bernstein R. Malhotra (695) | 106 | cubewano (hot) | 44.8 | 0.00 | 13 | 44.8 | 44.8 | — | MPC · JPL |
| 2001 FF193 | 27 March 2001 | R. L. Allen G. Bernstein R. Malhotra (695) | 128 | cubewano (cold) | 44.7 | 0.00 | 2 | 44.7 | 44.7 | — | MPC · JPL |
| 2001 FG193 | 27 March 2001 | R. L. Allen G. Bernstein R. Malhotra (695) | 88 | cubewano (cold) | 46.5 | 0.11 | 3 | 41.5 | 51.6 | — | MPC · JPL |
| 2001 FJ193 | 27 March 2001 | R. L. Allen G. Bernstein R. Malhotra (695) | 61 | plutino? | 39.3 | 0.08 | 1 | 36.2 | 42.5 | — | MPC · JPL |
| 2001 FJ194 | 22 March 2001 | Kitt Peak Obs. (695) | 134 | SDO | 66.0 | 0.44 | 10 | 37.0 | 95.0 | — | MPC · JPL |
| 2001 FK185 | 25 March 2001 | M. W. Buie (695) | 154 | cubewano (cold) | 43.4 | 0.04 | 1 | 41.5 | 45.3 | — | MPC · JPL |
| 2001 FK193 | 25 March 2001 | M. W. Buie (695) | 193 | cubewano (cold) | 44.3 | 0.06 | 4 | 41.7 | 46.8 | — | MPC · JPL |
| 2001 FK194 | 22 March 2001 | Kitt Peak Obs. (695) | 74 | centaur? | 76.3 | 0.63 | 9 | 28.0 | 125 | — | MPC · JPL |
| 2001 FL185 | 26 March 2001 | M. W. Buie (695) | 142 | cubewano (cold) | 44.2 | 0.07 | 4 | 40.9 | 47.5 | binary: 88 km | MPC · JPL |
| 2001 FM194 | 22 March 2001 | Kitt Peak Obs. (695) | 140 | SDO | 54.6 | 0.37 | 29 | 34.3 | 74.9 | BR-mag: 1.19; taxonomy: BR | MPC · JPL |
| 2001 FN194 | 22 March 2001 | Kitt Peak Obs. (695) | 97 | SDO | 67.0 | 0.48 | 7 | 35.0 | 98.9 | — | MPC · JPL |
| 2001 FS185 | 26 March 2001 | M. W. Buie (695) | 128 | cubewano (cold) | 43.3 | 0.04 | 5 | 41.4 | 45.1 | — | MPC · JPL |
| 2001 FT185 | 26 March 2001 | M. W. Buie (695) | 117 | other TNO | 47.5 | 0.11 | 20 | 42.2 | 52.8 | — | MPC · JPL |
| 2001 FU172 | 22 March 2001 | B. Gladman (695) | 93 | plutino | 39.6 | 0.27 | 25 | 29.0 | 50.4 | BR-mag: 3.57 | MPC · JPL |
| 2001 FU185 | 26 March 2001 | M. W. Buie (695) | 70 | other TNO | 39.4 | 0.11 | 25 | 34.9 | 43.9 | — | MPC · JPL |
| 2001 FV185 | 26 March 2001 | M. W. Buie (695) | 128 | other TNO | 39.4 | 0.12 | 24 | 34.4 | 44.3 | — | MPC · JPL |
| 2001 HA59 | 26 April 2001 | O. R. Hainaut A. C. Delsanti (809) | 222 | cubewano (cold) | 44.2 | 0.06 | 1 | 41.7 | 46.7 | — | MPC · JPL |
| 2001 HZ58 | 26 April 2001 | O. R. Hainaut A. C. Delsanti (809) | 212 | cubewano (cold) | 43.0 | 0.03 | 3 | 41.6 | 44.4 | BR-mag: 1.64; taxonomy: U | MPC · JPL |
| 2001 KA77 | 24 May 2001 | M. W. Buie (807) | 634 | twotino? | 47.8 | 0.09 | 12 | 43.3 | 52.3 | albedo: 0.025; BR-mag: 1.82; taxonomy: RR | MPC · JPL |
| 2001 KD77 | 24 May 2001 | M. W. Buie (807) | 232 | plutino | 39.8 | 0.12 | 2 | 35.1 | 44.5 | albedo: 0.089; BR-mag: 1.77; taxonomy: RR | MPC · JPL |
| 2001 KE77 | 24 May 2001 | M. W. Buie (807) | 161 | cubewano (hot) | 45.8 | 0.19 | 21 | 37.2 | 54.5 | — | MPC · JPL |
| 2001 KF76 | 22 May 2001 | M. W. Buie (807) | 161 | cubewano (cold) | 44.8 | 0.03 | 3 | 43.5 | 46.0 | — | MPC · JPL |
| 2001 KG76 | 22 May 2001 | M. W. Buie (807) | 255 | res · 4:9 | 52.0 | 0.34 | 2 | 34.3 | 69.7 | BR-mag: 1.92 | MPC · JPL |
| 2001 KG77 | 23 May 2001 | M. W. Buie (807) | 106 | SDO | 62.7 | 0.46 | 15 | 34.0 | 91.4 | BR-mag: 1.24 | MPC · JPL |
| 2001 KH76 | 22 May 2001 | M. W. Buie (807) | 193 | cubewano (cold) | 46.6 | 0.13 | 3 | 40.6 | 52.5 | — | MPC · JPL |
| 2001 KL76 | 22 May 2001 | M. W. Buie (807) | 212 | res · 5:9 | 44.8 | 0.09 | 1 | 40.7 | 49.0 | — | MPC · JPL |
| 2001 KM76 | 22 May 2001 | M. W. Buie (807) | 168 | cubewano (cold) | 44.9 | 0.07 | 1 | 41.5 | 48.2 | — | MPC · JPL |
| 2001 KO77 | 23 May 2001 | M. W. Buie (807) | 117 | cubewano (hot) | 44.3 | 0.15 | 21 | 37.5 | 51.1 | — | MPC · JPL |
| 2001 KQ76 | 24 May 2001 | M. W. Buie (807) | 243 | cubewano (hot) | 43.1 | 0.10 | 6 | 38.6 | 47.5 | — | MPC · JPL |
| 2001 KS76 | 24 May 2001 | M. W. Buie (807) | 140 | cubewano (cold) | 43.6 | 0.09 | 3 | 39.6 | 47.7 | — | MPC · JPL |
| 2001 KW76 | 22 May 2001 | M. W. Buie (807) | 134 | other TNO | 46.5 | 0.22 | 10 | 36.1 | 56.9 | — | MPC · JPL |
| 2001 KY76 | 22 May 2001 | M. W. Buie (807) | 267 | plutino | 39.7 | 0.24 | 4 | 30.2 | 49.1 | BR-mag: 1.84 | MPC · JPL |
| 2001 KZ76 | 24 May 2001 | M. W. Buie (807) | 122 | SDO | 79.0 | 0.52 | 26 | 38.2 | 120 | — | MPC · JPL |
| 2001 OG109 | 27 July 2001 | R. L. Allen G. Bernstein R. Malhotra (568) | 106 | cubewano (cold) | 43.7 | 0.02 | 1 | 42.9 | 44.4 | — | MPC · JPL |
| 2001 OJ108 | 24 July 2001 | B. Gladman (568) | 122 | cubewano (hot) | 44.9 | 0.09 | 9 | 40.8 | 49.0 | — | MPC · JPL |
| 2001 OK108 | 24 July 2001 | B. Gladman (568) | 147 | cubewano (cold) | 43.1 | 0.04 | 2 | 41.5 | 44.8 | — | MPC · JPL |
| 2001 OL108 | 24 July 2001 | B. Gladman (568) | 93 | cubewano (cold) | 45.6 | 0.11 | 3 | 40.7 | 50.5 | — | MPC · JPL |
| 2001 OM108 | 25 July 2001 | B. Gladman (568) | 111 | cubewano (hot) | 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) | 117 | SDO | 69.2 | 0.50 | 4 | 34.7 | 104 | — | MPC · JPL |
| 2001 ON108 | 25 July 2001 | B. Gladman (568) | 134 | cubewano (cold) | 43.7 | 0.00 | 1 | 43.7 | 43.7 | — | MPC · JPL |
| 2001 OO108 | 27 July 2001 | B. Gladman (568) | 117 | SDO | 51.3 | 0.33 | 1 | 34.6 | 68.1 | — | MPC · JPL |
| 2001 OQ108 | 24 July 2001 | B. Gladman (568) | 222 | cubewano (cold) | 45.9 | 0.00 | 2 | 45.7 | 46.0 | — | MPC · JPL |
| 2001 OR108 | 24 July 2001 | B. Gladman (568) | 117 | cubewano (cold) | 45.7 | 0.10 | 3 | 41.2 | 50.1 | — | MPC · JPL |
| 2001 OS108 | 25 July 2001 | B. Gladman (568) | 193 | cubewano (cold) | 46.5 | 0.00 | 2 | 46.5 | 46.5 | — | MPC · JPL |
| 2001 OT108 | 25 July 2001 | B. Gladman (568) | 64 | SDO | 67.0 | 0.52 | 1 | 32.4 | 101 | — | MPC · JPL |
| 2001 OU108 | 27 July 2001 | B. Gladman (568) | 222 | cubewano (hot) | 46.8 | 0.00 | 28 | 46.8 | 46.8 | — | MPC · JPL |
| 2001 OY108 | 24 July 2001 | B. Gladman (568) | 147 | cubewano (hot) | 46.1 | 0.10 | 7 | 41.5 | 50.6 | — | MPC · JPL |
| 2001 OZ108 | 24 July 2001 | B. Gladman (568) | 97 | cubewano (cold) | 43.5 | 0.05 | 2 | 41.2 | 45.8 | — | MPC · JPL |
| 2001 PK47 | 12 August 2001 | C. Veillet (568) | 168 | plutino? | 39.7 | 0.06 | 9 | 37.2 | 42.1 | — | MPC · JPL |
| 2001 QA298 | 19 August 2001 | M. W. Buie (807) | 134 | cubewano (hot) | 46.4 | 0.19 | 24 | 37.5 | 55.2 | — | MPC · JPL |
| 2001 QC298 | 21 August 2001 | M. W. Buie (807) | 235 | cubewano (hot) | 46.5 | 0.13 | 31 | 40.5 | 52.4 | albedo: 0.063; BR-mag: 1.03; taxonomy: BR; binary: 192 km | MPC · JPL |
| 2001 QE298 | 19 August 2001 | M. W. Buie (807) | 128 | res · 4:7 | 43.8 | 0.16 | 4 | 36.9 | 50.7 | BR-mag: 1.89; taxonomy: RR | MPC · JPL |
| 2001 QH298 | 19 August 2001 | M. W. Buie (807) | 101 | plutino | 39.3 | 0.11 | 7 | 35.0 | 43.7 | — | MPC · JPL |
| 2001 QO297 | 19 August 2001 | M. W. Buie (807) | 202 | cubewano (cold) | 43.1 | 0.03 | 1 | 41.6 | 44.5 | — | MPC · JPL |
| 2001 QP297 | 19 August 2001 | M. W. Buie (807) | 202 | cubewano (cold) | 45.4 | 0.12 | 1 | 39.8 | 51.0 | — | MPC · JPL |
| 2001 QQ297 | 19 August 2001 | M. W. Buie (807) | 176 | cubewano (cold) | 44.3 | 0.09 | 4 | 40.6 | 48.1 | — | MPC · JPL |
| 2001 QQ322 | 21 August 2001 | M. W. Buie (807) | 157 | cubewano (cold) | 44.2 | 0.05 | 4 | 41.9 | 46.5 | binary: 143 km | MPC · JPL |
| 2001 QR297 | 20 August 2001 | M. W. Buie (807) | 193 | cubewano (hot) | 44.5 | 0.03 | 5 | 43.3 | 45.7 | — | MPC · JPL |
| 2001 QS297 | 20 August 2001 | M. W. Buie (807) | 368 | cubewano (hot) | 43.8 | 0.00 | 5 | 43.8 | 43.8 | — | MPC · JPL |
| 2001 QS322 | 19 August 2001 | M. W. Buie (807) | 186 | cubewano (cold) | 44.2 | 0.04 | 0 | 42.3 | 46.0 | albedo: 0.095 | MPC · JPL |
| 2001 QU297 | 20 August 2001 | M. W. Buie (807) | 280 | cubewano (cold) | 43.7 | 0.00 | 3 | 43.7 | 43.7 | — | MPC · JPL |
| 2001 QV297 | 20 August 2001 | M. W. Buie (807) | 243 | cubewano (cold) | 44.0 | 0.00 | 2 | 44.0 | 44.0 | — | MPC · JPL |
| 2001 QW322 | 24 August 2001 | 68 Mauna Kea | 128 | cubewano (cold) | 44.3 | 0.02 | 5 | 43.3 | 45.3 | albedo: 0.093; binary: 126 km | MPC · JPL |
| 2001 QX297 | 20 August 2001 | M. W. Buie (807) | 243 | cubewano (cold) | 44.2 | 0.03 | 1 | 43.0 | 45.4 | — | MPC · JPL |
| 2001 QX322 | 19 August 2001 | P. Groot G. A. Esquerdo D. A. Schuster (950) | 243 | SDO | 58.2 | 0.39 | 29 | 35.5 | 80.8 | BR-mag: 1.46; taxonomy: IR | MPC · JPL |
| 2001 QZ297 | 19 August 2001 | M. W. Buie (807) | 185 | cubewano (cold) | 44.6 | 0.07 | 2 | 41.5 | 47.7 | — | MPC · JPL |
| 2001 RL155 | 12 September 2001 | M. W. Buie (695) | 122 | cubewano (cold) | 44.2 | 0.12 | 1 | 38.7 | 49.7 | — | MPC · JPL |
| 2001 RV143 | 12 September 2001 | M. W. Buie (695) | 193 | cubewano (cold) | 43.1 | 0.00 | 1 | 43.1 | 43.1 | — | MPC · JPL |
| 2001 RW143 | 12 September 2001 | M. W. Buie (695) | 176 | cubewano (cold) | 42.9 | 0.03 | 3 | 41.5 | 44.3 | — | MPC · JPL |
| 2001 RY143 | 12 September 2001 | M. W. Buie (695) | 176 | cubewano (hot) | 42.0 | 0.16 | 7 | 35.3 | 48.6 | — | MPC · JPL |
| 2001 SD291 | 18 September 2001 | P. Nicholson C. Dumas A. W. Harris B. Gladman (675) | 101 | 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) | 161 | cubewano (cold) | 45.2 | 0.13 | 2 | 39.4 | 51.1 | — | MPC · JPL |
| 2001 UA17 | 17 October 2001 | O. R. Hainaut D. Kinoshita (809) | 212 | cubewano (hot) | 42.9 | 0.07 | 6 | 39.9 | 45.9 | — | MPC · JPL |
| 2001 UB17 | 17 October 2001 | O. R. Hainaut D. Kinoshita (809) | 111 | plutino? | 39.6 | 0.07 | 5 | 37.0 | 42.3 | — | MPC · JPL |
| 2001 UC17 | 17 October 2001 | O. R. Hainaut D. Kinoshita (809) | 134 | plutino? | 39.6 | 0.14 | 3 | 33.8 | 45.4 | — | MPC · JPL |
| 2001 UN18 | 19 October 2001 | M. W. Buie (695) | 222 | cubewano (cold) | 44.1 | 0.08 | 4 | 40.7 | 47.6 | — | MPC · JPL |
| 2001 UP18 | 19 October 2001 | M. W. Buie (695) | 280 | twotino | 47.7 | 0.08 | 1 | 43.9 | 51.5 | BR-mag: 1.49; taxonomy: IR | MPC · JPL |
| 2001 VN71 | 9 November 2001 | B. Gladman J. J. Kavelaars (568) | 67 | plutino | 39.2 | 0.24 | 19 | 29.7 | 48.7 | — | MPC · JPL |
| 2001 XB255 | 9 December 2001 | S. S. Sheppard D. C. Jewitt J. Kleyna (568) | 193 | cubewano (cold) | 44.7 | 0.04 | 2 | 43.2 | 46.3 | — | MPC · JPL |
| 2001 XC255 | 9 December 2001 | S. S. Sheppard D. C. Jewitt J. Kleyna (568) | 147 | cubewano (cold) | 43.8 | 0.05 | 2 | 41.7 | 45.9 | — | MPC · JPL |
| 2001 XE255 | 9 December 2001 | D. C. Jewitt J. Kleyna S. S. Sheppard (568) | 117 | cubewano (hot) | 43.5 | 0.00 | 10 | 43.5 | 43.5 | — | MPC · JPL |
| 2001 XF255 | 9 December 2001 | D. C. Jewitt J. Kleyna S. S. Sheppard (568) | 128 | cubewano (cold) | 44.0 | 0.00 | 1 | 44.0 | 44.0 | — | MPC · JPL |
| 2001 XG255 | 9 December 2001 | D. C. Jewitt J. Kleyna S. S. Sheppard (568) | 97 | cubewano (cold) | 43.9 | 0.07 | 2 | 41.0 | 46.9 | — | MPC · JPL |
| 2001 XJ255 | 11 December 2001 | J. Kleyna S. S. Sheppard D. C. Jewitt (568) | 97 | cubewano (hot) | 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) | 202 | cubewano (hot) | 43.2 | 0.08 | 7 | 39.9 | 46.5 | — | MPC · JPL |
| 2001 XV254 | 9 December 2001 | J. Kleyna D. C. Jewitt S. S. Sheppard (568) | 176 | cubewano (hot) | 45.7 | 0.00 | 6 | 45.7 | 45.7 | — | MPC · JPL |
| 2001 XW254 | 10 December 2001 | J. Kleyna D. C. Jewitt S. S. Sheppard (568) | 128 | cubewano (hot) | 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) | 147 | cubewano (cold) | 43.6 | 0.03 | 2 | 42.4 | 44.8 | — | MPC · JPL |
References
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