IAA Minor Planet Database| Epoch (TDB) | 2025-11-21 (JD 2461000.5) |
|---|---|
| Eccentricity (e) | 0.5061419644 ± 2.00e+00 |
| Semi-major axis (a) | 1.8416500846 AU ± 3.00e+00 |
| Inclination (i) | 5.40998079° ± 4.00e+00 |
| Long. of Asc. Node (Ω) | 294.72384111° ± 5.00e+00 |
| Arg. of Perihelion (ω) | 173.50914524° ± 6.00e+00 |
| Mean Anomaly (M) | 195.60461677° ± 8.67e-06 |
| Mean Motion (n) | 0.3943679385°/day ± 9.64e-01 |
| Perihelion dist (q) | 0.90951369 AU ± 3.97e+00 |
| Aphelion dist (Q) | 2.77378648 AU ± 5.83e+00 |
| Orbital Period | 2.49925561 yr ± 6.11e+00 |
| NGA Model | r2 |
| A2 | 3.86027242e-06 AU/d² |
| H (abs. magnitude) | 16.96 |
|---|---|
| G (slope) | 0.15 |
1981 UX12, 1991 TS1
| Source | IAA |
|---|---|
| Solution Date | 2026-04-26 |
| RMS Residual | 0.284″ |
| Uncertainty | 0 |
| Orbit Type | Apollo |
| MOID | 0.047842 AU |
| Observations Used | 2241 |
| Radar Obs Used | 9 |
| Gaia Obs Used | 55 |
| Oppositions | 22 |
| Arc Total | 1981-2017 |
| First Observation Used | 1991-09-12 |
| Last Observation Used | 2023-07-22 |
| Date | Type | RA | Dec | Mag | Band | Observatory |
|---|---|---|---|---|---|---|
| 2001-11-24 17:14:09 | C | 22 44 02.45 | +15 38 09.6 | – | – | 610 |
| 2001-11-24 17:18:10 | C | 22 44 02.23 | +15 38 07.8 | – | – | 610 |
| 2001-11-24 17:22:10 | C | 22 44 02.01 | +15 38 06.0 | – | – | 610 |
| 2001-12-01 09:53:01 | C | 22 37 11.60 | +14 25 57.5 | – | – | 300 |
| 2001-12-01 09:56:36 | C | 22 37 11.39 | +14 25 55.5 | – | – | 300 |
| 2001-12-01 10:00:12 | C | 22 37 11.23 | +14 25 54.3 | – | – | 300 |
| 2001-12-01 10:03:49 | C | 22 37 11.07 | +14 25 52.6 | – | – | 300 |
| 2001-12-07 17:06:00 | C | 22 31 23.73 | +13 13 30.0 | – | – | 610 |
| 2001-12-07 17:10:00 | C | 22 31 23.54 | +13 13 28.0 | – | – | 610 |
| 2001-12-07 17:14:00 | C | 22 31 23.34 | +13 13 25.9 | – | – | 610 |
| 2001-12-07 17:17:59 | C | 22 31 23.15 | +13 13 23.9 | – | – | 610 |
| 2001-12-07 17:21:59 | C | 22 31 22.95 | +13 13 21.9 | – | – | 610 |
| 2001-12-09 16:50:44 | C | 22 29 31.04 | +12 48 24.0 | – | a | 233 |
| 2001-12-09 16:54:44 | C | 22 29 30.93 | +12 48 21.1 | – | a | 233 |
| 2001-12-09 16:58:45 | C | 22 29 30.67 | +12 48 19.4 | – | a | 233 |
| 2001-12-09 17:02:45 | C | 22 29 30.54 | +12 48 16.5 | – | a | 233 |
| 2001-12-09 17:10:44 | C | 22 29 30.07 | +12 48 12.8 | – | a | 233 |
| 2001-12-09 17:14:47 | C | 22 29 29.83 | +12 48 10.5 | – | a | 233 |
| 2001-12-09 17:18:44 | C | 22 29 29.67 | +12 48 08.6 | – | a | 233 |
| 2001-12-09 17:22:44 | C | 22 29 29.46 | +12 48 06.8 | – | a | 233 |
| 2001-12-09 17:26:45 | C | 22 29 29.30 | +12 48 03.7 | – | a | 233 |
| 2001-12-09 17:30:44 | C | 22 29 29.05 | +12 48 01.4 | – | a | 233 |
| 2001-12-09 17:34:43 | C | 22 29 28.94 | +12 47 59.5 | – | a | 233 |
| 2001-12-09 17:42:44 | C | 22 29 28.61 | +12 47 55.7 | – | a | 233 |
| 2001-12-09 17:46:45 | C | 22 29 28.26 | +12 47 54.2 | – | a | 233 |
| 2001-12-11 01:24:51 | C | 22 28 10.39 | +12 30 25.2 | 16.6 | c | 704 |
| 2001-12-11 01:48:23 | C | 22 28 09.15 | +12 30 11.5 | 16.8 | c | 704 |
| 2001-12-11 02:10:42 | C | 22 28 07.99 | +12 29 58.6 | 17.0 | c | 704 |
| 2001-12-11 02:33:01 | C | 22 28 06.84 | +12 29 45.4 | 16.4 | c | 704 |
| 2001-12-11 02:55:20 | C | 22 28 05.70 | +12 29 32.4 | 16.3 | c | 704 |
| 2001-12-30 16:41:57 | C | 21 48 22.37 | +03 51 21.5 | – | c | 118 |
| 2001-12-30 16:43:03 | C | 21 48 22.16 | +03 51 18.5 | – | c | 118 |
| 2001-12-30 16:47:53 | C | 21 48 21.26 | +03 51 08.4 | – | c | 118 |
| 2002-03-06 17:39:52 | C | 13 42 22.69 | -36 29 57.3 | – | – | 349 |
| 2002-03-06 17:42:06 | C | 13 42 22.36 | -36 29 54.9 | – | – | 349 |
| 2002-03-06 17:43:56 | C | 13 42 22.16 | -36 29 53.6 | – | – | 349 |
| 2002-03-06 17:45:44 | C | 13 42 21.97 | -36 29 53.2 | – | – | 349 |
| 2002-03-15 03:48:17 | C | 13 20 59.83 | -34 06 55.4 | – | c | 913 |
| 2002-03-15 04:09:42 | C | 13 20 57.43 | -34 06 39.1 | – | c | 913 |
| 2002-03-15 04:30:06 | C | 13 20 55.24 | -34 06 21.8 | – | c | 913 |
| 2002-04-20 05:03:51 | C | 12 28 17.45 | -21 16 37.8 | 17.5 | c | 704 |
| 2002-04-20 05:23:25 | C | 12 28 16.96 | -21 16 23.4 | 17.4 | c | 704 |
| 2002-04-20 05:42:52 | C | 12 28 16.60 | -21 16 09.1 | 17.3 | c | 704 |
| 2002-04-20 06:02:18 | C | 12 28 16.19 | -21 15 53.9 | 17.6 | c | 704 |
| 2002-05-09 04:05:16 | C | 12 28 31.33 | -17 01 49.1 | 17.6 | c | 704 |
| 2002-05-09 04:05:26 | C | 12 28 31.41 | -17 01 50.0 | 17.8 | c | 704 |
| 2002-05-09 04:22:53 | C | 12 28 31.63 | -17 01 42.2 | 18.2 | c | 704 |
| 2002-05-09 04:23:03 | C | 12 28 31.65 | -17 01 42.9 | 17.9 | c | 704 |
| 2002-05-09 04:40:57 | C | 12 28 31.86 | -17 01 35.6 | 17.9 | c | 704 |
| 2002-05-09 04:41:07 | C | 12 28 31.86 | -17 01 35.5 | 17.8 | c | 704 |
| Epoch (UTC) | Value | Sigma | Units | Freq (MHz) | Receiver | Transmitter |
|---|---|---|---|---|---|---|
| 1997-01-10 18:20:00 | 3731 | 5 | Hz | 8510 | -14 | -14 |
| 1997-01-10.763889 | 373100 | 500 | Hz | 8510 | 253 | 253 |
| 1997-01-11 19:10:00 | 75008124 | 5 | us | 8510 | -14 | -14 |
| 1997-01-11.798611 | 7500812400 | 5000 | us | 8510 | 253 | 253 |
| 2007-01-03 20:11:00 | 116048715 | 3 | us | 2380 | -1 | -1 |
| 2007-01-03.840972 | 11604871500 | 3000 | us | 2380 | 251 | 251 |
| 2007-01-05 19:44:00 | 107738375 | 3 | us | 2380 | -1 | -1 |
| 2007-01-05.822222 | 10773837500 | 3000 | us | 2380 | 251 | 251 |
| 2012-01-04 19:48:00 | 130959255.88 | 4 | us | 2380 | -1 | -1 |
| 2012-01-04.825000 | 13095925588 | 4000 | us | 2380 | 251 | 251 |
| 2012-01-05 20:03:00 | 126342351.27 | 1.5 | us | 2380 | -1 | -1 |
| 2012-01-05 20:03:00 | 125051.5857 | 2 | Hz | 2380 | -1 | -1 |
| 2012-01-05.835417 | 12634235127 | 1500 | us | 2380 | 251 | 251 |
| 2012-01-06 19:57:00 | 121823721.51 | 1.5 | us | 2380 | -1 | -1 |
| 2012-01-06 19:57:00 | 124021.9515 | 1 | Hz | 2380 | -1 | -1 |
| 2012-01-06.831250 | 12182372151 | 1500 | us | 2380 | 251 | 251 |
| 2012-01-16 00:00:00 | 84103212.02 | 6 | us | 8560 | -14 | -14 |
| 2012-01-16.000000 | 8410321202 | 6000 | us | 8560 | 253 | 253 |
| 2012-01-20 22:10:00 | 70243830.8 | 4 | us | 8560 | -14 | -14 |
| 2012-01-20.923611 | 7024383080 | 4000 | us | 8560 | 253 | 253 |
| 2017-01-04 20:19:00 | 128728700.47 | 4 | us | 2380 | -1 | -1 |
| 2017-01-16 22:00:00 | 79320383.6 | 2 | us | 8560 | -14 | -14 |