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 |
|---|---|---|---|---|---|---|
| 2013-07-02 12:03:29 | C | 20 54 37.260 | -16 36 00.03 | – | L | F51 |
| 2013-07-02 12:17:24 | C | 20 54 36.707 | -16 36 01.17 | – | L | F51 |
| 2013-07-02 12:39:17 | C | 20 54 35.830 | -16 36 03.41 | – | L | F51 |
| 2013-07-02 12:55:13 | C | 20 54 35.193 | -16 36 04.78 | – | L | F51 |
| 2013-07-12 11:38:05 | C | 20 44 06.926 | -17 01 38.22 | – | L | F51 |
| 2013-07-12 12:21:12 | C | 20 44 04.760 | -17 01 43.38 | – | L | F51 |
| 2013-07-12 12:42:48 | C | 20 44 03.673 | -17 01 46.03 | – | L | F51 |
| 2016-08-08 00:25:41 | C | 00 43 35.53 | +12 21 58.2 | – | q | C27 |
| 2016-08-08 01:40:11 | C | 00 43 37.09 | +12 22 29.6 | – | q | C27 |
| 2016-08-08 02:26:17 | C | 00 43 38.10 | +12 22 49.7 | – | q | C27 |
| 2016-08-11 00:38:02 | C | 00 45 08.19 | +12 52 16.7 | – | q | C27 |
| 2016-08-11 01:26:33 | C | 00 45 09.08 | +12 52 36.7 | – | q | C27 |
| 2016-08-11 02:10:09 | C | 00 45 09.88 | +12 52 55.0 | – | q | C27 |
| 2016-08-15 11:06:07 | C | 00 46 59.881 | +13 36 27.37 | – | L | F51 |
| 2016-08-15 11:07:12 | C | 00 46 59.892 | +13 36 27.84 | – | L | F51 |
| 2016-08-15 11:23:09 | C | 00 47 00.102 | +13 36 34.48 | – | L | F51 |
| 2016-08-15 11:24:14 | C | 00 47 00.113 | +13 36 34.95 | – | L | F51 |
| 2016-08-15 12:05:02 | C | 00 47 00.638 | +13 36 51.82 | – | L | F51 |
| 2016-08-15 12:06:07 | C | 00 47 00.653 | +13 36 52.35 | – | L | F51 |
| 2016-08-15 12:22:01 | C | 00 47 00.857 | +13 36 58.91 | – | L | F51 |
| 2016-08-15 12:23:04 | C | 00 47 00.865 | +13 36 59.39 | – | L | F51 |
| 2016-08-27 02:06:25 | C | 00 49 03.11 | +15 27 51.6 | – | q | 160 |
| 2016-08-27 02:09:23 | C | 00 49 03.12 | +15 27 53.0 | – | q | 160 |
| 2016-08-27 02:12:21 | C | 00 49 03.11 | +15 27 54.5 | – | q | 160 |
| 2016-08-28 18:57:04 | C | 00 48 56.98 | +15 43 29.4 | – | q | D29 |
| 2016-08-28 19:19:58 | C | 00 48 56.84 | +15 43 38.1 | – | q | D29 |
| 2016-08-28 19:42:53 | C | 00 48 56.69 | +15 43 46.7 | – | q | D29 |
| 2016-08-29 09:29:49 | C | 00 48 53.26 | +15 48 59.2 | – | q | 703 |
| 2016-08-29 09:36:19 | C | 00 48 53.24 | +15 49 02.1 | – | q | 703 |
| 2016-08-29 09:42:47 | C | 00 48 53.12 | +15 49 04.0 | – | q | 703 |
| 2016-08-29 09:49:17 | C | 00 48 53.10 | +15 49 06.9 | – | q | 703 |
| 2016-08-30 12:36:38 | C | 00 48 43.61 | +15 59 11.0 | – | L | T05 |
| 2016-08-30 12:38:07 | C | 00 48 43.62 | +15 59 11.5 | – | L | T05 |
| 2016-08-30 13:02:42 | C | 00 48 43.38 | +15 59 18.7 | – | L | T05 |
| 2016-08-30 13:26:23 | C | 00 48 43.09 | +15 59 30.3 | – | L | T05 |
| 2016-08-30 13:54:29 | C | 00 48 42.85 | +15 59 40.8 | – | L | T05 |
| 2016-09-05 11:09:49 | C | 00 46 57.69 | +16 50 22.2 | – | q | G96 |
| 2016-09-05 11:15:19 | C | 00 46 57.59 | +16 50 24.1 | – | q | G96 |
| 2016-09-05 11:20:49 | C | 00 46 57.46 | +16 50 26.1 | – | q | G96 |
| 2016-09-05 11:26:19 | C | 00 46 57.36 | +16 50 27.9 | – | q | G96 |
| 2016-09-05 16:37:35 | C | 00 46 52.29 | +16 52 15.4 | – | q | D29 |
| 2016-09-05 17:00:29 | C | 00 46 51.83 | +16 52 23.1 | – | q | D29 |
| 2016-09-06 07:06:29 | C | 00 46 35.88 | +16 57 12.5 | – | q | G96 |
| 2016-09-06 07:15:59 | C | 00 46 35.65 | +16 57 15.6 | – | q | G96 |
| 2016-09-06 07:25:29 | C | 00 46 35.45 | +16 57 18.8 | – | q | G96 |
| 2016-09-06 07:34:53 | C | 00 46 35.24 | +16 57 21.8 | – | q | G96 |
| 2016-09-06 11:56:37 | C | 00 46 29.79 | +16 58 53.8 | – | L | T05 |
| 2016-09-06 12:23:54 | C | 00 46 29.16 | +16 59 03.5 | – | L | T05 |
| 2016-09-06 12:32:05 | C | 00 46 29.00 | +16 59 05.8 | – | L | T05 |
| 2016-09-06 13:05:51 | C | 00 46 28.17 | +16 59 17.1 | – | L | T05 |
| 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 |