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 |
|---|---|---|---|---|---|---|
| 2001-10-17 18:19:29 | C | 23 57 39.12 | +21 15 32.0 | – | c | 185 |
| 2001-10-18 04:07:00 | C | 23 56 40.83 | +21 14 22.3 | 16.3 | c | 704 |
| 2001-10-18 04:29:53 | C | 23 56 38.43 | +21 14 19.5 | 16.5 | c | 704 |
| 2001-10-18 04:54:19 | C | 23 56 35.88 | +21 14 16.1 | 16.7 | c | 704 |
| 2001-10-18 05:17:22 | C | 23 56 33.47 | +21 14 13.2 | 16.8 | c | 704 |
| 2001-10-18 05:40:07 | C | 23 56 31.08 | +21 14 09.8 | 16.5 | c | 704 |
| 2001-10-19 06:33:41 | C | 23 54 04.23 | +21 10 35.3 | 17.3 | c | 608 |
| 2001-10-19 06:49:12 | C | 23 54 02.59 | +21 10 33.0 | 17.0 | c | 608 |
| 2001-10-19 07:03:57 | C | 23 54 01.04 | +21 10 31.0 | 16.9 | c | 608 |
| 2001-10-22 18:23:02 | C | 23 45 42.93 | +20 54 24.6 | – | – | 610 |
| 2001-10-22 18:27:01 | C | 23 45 42.52 | +20 54 23.7 | – | – | 610 |
| 2001-10-22 18:31:01 | C | 23 45 42.10 | +20 54 22.7 | – | – | 610 |
| 2001-10-22 18:35:02 | C | 23 45 41.69 | +20 54 21.8 | – | – | 610 |
| 2001-10-22 18:39:02 | C | 23 45 41.28 | +20 54 20.9 | – | – | 610 |
| 2001-10-23 01:55:11 | C | 23 44 58.06 | +20 52 44.7 | – | c | 699 |
| 2001-10-23 02:29:34 | C | 23 44 54.46 | +20 52 37.0 | – | c | 699 |
| 2001-10-23 03:04:00 | C | 23 44 50.85 | +20 52 29.7 | – | c | 699 |
| 2001-10-23 03:38:33 | C | 23 44 47.29 | +20 52 22.2 | – | c | 699 |
| 2001-10-25 11:09:10 | C | 23 39 15.78 | +20 38 20.7 | – | c | 402 |
| 2001-10-25 11:11:04 | C | 23 39 15.58 | +20 38 20.2 | – | c | 402 |
| 2001-10-25 11:14:52 | C | 23 39 15.17 | +20 38 19.1 | – | c | 402 |
| 2001-10-25 11:26:07 | C | 23 39 14.05 | +20 38 16.4 | – | c | 300 |
| 2001-10-25 11:29:44 | C | 23 39 13.70 | +20 38 15.4 | – | c | 300 |
| 2001-10-25 11:37:01 | C | 23 39 12.88 | +20 38 14.0 | – | c | 300 |
| 2001-10-30 19:16:54 | C | 23 26 49.77 | +19 57 54.8 | – | c | 185 |
| 2001-10-30 19:20:29 | C | 23 26 49.41 | +19 57 53.6 | – | c | 185 |
| 2001-10-30 19:24:44 | C | 23 26 48.99 | +19 57 52.2 | – | c | 185 |
| 2001-10-30 19:28:50 | C | 23 26 48.60 | +19 57 50.9 | – | c | 185 |
| 2001-11-02 18:54:16 | C | 23 20 12.695 | +19 31 16.99 | – | – | 195 |
| 2001-11-02 19:02:34 | C | 23 20 11.975 | +19 31 13.59 | – | – | 195 |
| 2001-11-02 19:10:54 | C | 23 20 11.130 | +19 31 10.03 | – | – | 195 |
| 2001-11-03 01:07:20 | C | 23 19 39.42 | +19 28 51.1 | – | i | 726 |
| 2001-11-03 01:17:19 | C | 23 19 38.46 | +19 28 47.1 | – | i | 726 |
| 2001-11-03 01:22:20 | C | 23 19 37.97 | +19 28 45.6 | – | i | 726 |
| 2001-11-03 01:28:04 | C | 23 19 37.43 | +19 28 42.7 | – | i | 726 |
| 2001-11-03 01:32:19 | C | 23 19 36.99 | +19 28 42.0 | – | i | 726 |
| 2001-11-04 01:51:21 | C | 23 17 27.06 | +19 19 06.2 | – | d | 739 |
| 2001-11-04 01:56:09 | C | 23 17 26.64 | +19 19 03.9 | – | d | 739 |
| 2001-11-04 02:03:21 | C | 23 17 25.88 | +19 19 01.3 | – | d | 739 |
| 2001-11-04 14:03:52 | C | 23 16 21.28 | +19 14 08.2 | – | – | 347 |
| 2001-11-04 14:09:34 | C | 23 16 20.77 | +19 14 07.1 | – | – | 347 |
| 2001-11-04 14:14:45 | C | 23 16 20.33 | +19 14 03.7 | – | – | 347 |
| 2001-11-04 16:50:02 | C | 23 16 08.69 | +19 12 57.3 | – | – | 056 |
| 2001-11-04 17:11:10 | C | 23 16 06.78 | +19 12 48.3 | – | – | 056 |
| 2001-11-05 18:13:47 | C | 23 13 57.15 | +19 02 27.8 | – | c | 127 |
| 2001-11-05 18:19:43 | C | 23 13 56.64 | +19 02 25.7 | – | c | 127 |
| 2001-11-05 18:26:10 | C | 23 13 56.05 | +19 02 23.0 | – | c | 127 |
| 2001-11-09 19:12:52 | C | 23 06 03.04 | +18 20 36.9 | – | d | 631 |
| 2001-11-09 21:06:44 | C | 23 05 53.58 | +18 19 45.5 | – | d | 631 |
| 2001-11-10 19:21:14 | C | 23 04 12.16 | +18 09 52.9 | – | – | 056 |
| 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 |