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 |
|---|---|---|---|---|---|---|
| 2016-11-01 08:41:15 | C | 23 11 31.66 | +16 39 21.6 | – | L | T05 |
| 2016-11-01 09:15:11 | C | 23 11 28.72 | +16 39 06.4 | – | L | T05 |
| 2016-11-02 02:44:12 | C | 23 10 07.19 | +16 31 28.4 | – | t | U78 |
| 2016-11-02 02:59:00 | C | 23 10 05.99 | +16 31 22.2 | – | t | U78 |
| 2016-11-02 03:11:32 | C | 23 10 04.92 | +16 31 16.9 | – | t | U78 |
| 2016-11-04 10:51:25 | C | 23 05 51.68 | +16 06 51.3 | – | q | D29 |
| 2016-11-04 11:11:47 | C | 23 05 50.06 | +16 06 42.4 | – | q | D29 |
| 2016-11-04 11:32:09 | C | 23 05 48.43 | +16 06 33.5 | – | q | D29 |
| 2016-11-05 07:43:45 | C | 23 04 20.07 | +15 57 40.0 | – | L | T05 |
| 2016-11-05 08:11:04 | C | 23 04 17.95 | +15 57 27.5 | – | L | T05 |
| 2016-11-05 08:20:58 | C | 23 04 17.18 | +15 57 23.2 | – | L | T05 |
| 2016-11-05 08:40:42 | C | 23 04 15.64 | +15 57 14.0 | – | L | T05 |
| 2016-11-05 20:25:21 | C | 23 03 27.18 | +15 51 56.8 | – | o | Z22 |
| 2016-11-05 20:35:47 | C | 23 03 26.36 | +15 51 52.0 | – | o | Z22 |
| 2016-11-06 03:07:35 | C | 23 02 58.30 | +15 48 50.2 | – | q | W19 |
| 2016-11-06 03:10:07 | C | 23 02 58.71 | +15 48 54.2 | – | q | 703 |
| 2016-11-06 03:14:04 | C | 23 02 57.83 | +15 48 47.1 | – | q | W19 |
| 2016-11-06 03:18:47 | C | 23 02 58.06 | +15 48 50.5 | – | q | 703 |
| 2016-11-06 03:20:28 | C | 23 02 57.34 | +15 48 44.3 | – | q | W19 |
| 2016-11-06 03:27:00 | C | 23 02 56.85 | +15 48 41.3 | – | q | W19 |
| 2016-11-06 03:27:25 | C | 23 02 57.39 | +15 48 46.3 | – | q | 703 |
| 2016-11-06 03:33:23 | C | 23 02 56.37 | +15 48 38.5 | – | q | W19 |
| 2016-11-06 03:36:05 | C | 23 02 56.72 | +15 48 42.4 | – | q | 703 |
| 2016-11-06 18:26:47 | C | 23 01 56.00 | +15 41 58.7 | – | o | 107 |
| 2016-11-06 18:36:19 | C | 23 01 55.32 | +15 41 54.2 | – | o | 107 |
| 2016-11-06 18:46:53 | C | 23 01 54.52 | +15 41 49.5 | – | o | 107 |
| 2016-11-06 20:47:23 | C | 23 01 46.34 | +15 41 02.9 | – | o | Z22 |
| 2016-11-06 20:57:25 | C | 23 01 45.59 | +15 40 58.3 | – | o | Z22 |
| 2016-11-06 21:08:20 | C | 23 01 44.78 | +15 40 53.3 | – | o | Z22 |
| 2016-11-07 19:11:59 | C | 23 00 16.90 | +15 30 51.8 | – | c | A24 |
| 2016-11-07 19:13:02 | C | 23 00 16.82 | +15 30 51.3 | – | c | A24 |
| 2016-11-07 20:15:31 | C | 23 00 12.40 | +15 30 23.0 | – | c | A24 |
| 2016-11-07 20:16:34 | C | 23 00 12.30 | +15 30 22.5 | – | c | A24 |
| 2016-11-08 19:03:51 | C | 22 58 45.10 | +15 20 09.1 | – | c | A24 |
| 2016-11-08 19:04:54 | C | 22 58 45.05 | +15 20 08.8 | – | c | A24 |
| 2016-11-08 20:05:22 | C | 22 58 40.95 | +15 19 42.6 | – | c | A24 |
| 2016-11-08 20:06:25 | C | 22 58 40.82 | +15 19 40.4 | – | c | A24 |
| 2016-11-14 18:58:38 | C | 22 50 46.17 | +14 16 21.3 | – | q | K74 |
| 2016-11-14 19:01:13 | C | 22 50 46.05 | +14 16 20.2 | – | q | K74 |
| 2016-11-14 19:02:29 | C | 22 50 45.99 | +14 16 19.5 | – | q | K74 |
| 2016-11-14 19:03:50 | C | 22 50 45.90 | +14 16 19.1 | – | q | K74 |
| 2016-11-14 19:57:57 | C | 22 50 42.95 | +14 15 57.6 | – | q | 160 |
| 2016-11-14 19:59:55 | C | 22 50 42.86 | +14 15 56.4 | – | q | 160 |
| 2016-11-14 20:01:52 | C | 22 50 42.75 | +14 15 55.9 | – | q | 160 |
| 2016-11-15 19:20:43 | C | 22 49 37.54 | +14 05 50.3 | – | q | 160 |
| 2016-11-15 19:22:44 | C | 22 49 37.43 | +14 05 50.0 | – | q | 160 |
| 2016-11-15 19:24:45 | C | 22 49 37.33 | +14 05 49.5 | – | q | 160 |
| 2016-11-16 01:51:46 | C | 22 49 19.96 | +14 03 06.5 | – | q | H45 |
| 2016-11-16 01:53:16 | C | 22 49 19.88 | +14 03 05.9 | – | q | H45 |
| 2016-11-16 01:54:59 | C | 22 49 19.80 | +14 03 05.1 | – | q | H45 |
| 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 |