| 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 |
|---|---|---|---|---|---|---|
| 2016-10-09 02:14:59 | C | 00 02 34.01 | +19 14 28.3 | – | q | W34 |
| 2016-10-09 02:29:43 | C | 00 02 32.67 | +19 14 27.2 | – | q | W34 |
| 2016-10-09 02:38:05 | C | 00 02 31.88 | +19 14 27.6 | – | q | W34 |
| 2016-10-09 02:46:52 | C | 00 02 31.04 | +19 14 26.4 | – | q | W34 |
| 2016-10-09 02:54:35 | C | 00 02 30.30 | +19 14 25.8 | – | q | W34 |
| 2016-10-09 02:58:31 | C | 00 02 29.93 | +19 14 24.8 | – | q | W34 |
| 2016-10-09 03:02:06 | C | 00 02 29.61 | +19 14 25.2 | – | q | W34 |
| 2016-10-10 02:25:59 | C | 00 00 23.45 | +19 12 25.2 | – | q | W34 |
| 2016-10-10 02:29:42 | C | 00 00 23.13 | +19 12 24.8 | – | q | W34 |
| 2016-10-10 02:37:11 | C | 00 00 22.35 | +19 12 23.9 | – | q | W34 |
| 2016-10-10 02:44:32 | C | 00 00 21.71 | +19 12 23.4 | – | q | W34 |
| 2016-10-10 03:02:24 | C | 00 00 20.01 | +19 12 21.7 | – | q | W34 |
| 2016-10-10 03:06:18 | C | 00 00 19.61 | +19 12 21.9 | – | q | W34 |
| 2016-10-10 21:02:06 | C | 23 58 41.64 | +19 10 28.7 | – | q | 160 |
| 2016-10-10 21:04:01 | C | 23 58 41.45 | +19 10 28.5 | – | q | 160 |
| 2016-10-10 21:05:59 | C | 23 58 41.27 | +19 10 28.2 | – | q | 160 |
| 2016-10-12 09:27:44 | C | 23 55 19.82 | +19 06 05.0 | – | L | T05 |
| 2016-10-12 09:55:39 | C | 23 55 17.08 | +19 06 01.0 | – | L | T05 |
| 2016-10-12 10:03:25 | C | 23 55 16.31 | +19 06 00.2 | – | L | T05 |
| 2016-10-12 10:37:56 | C | 23 55 12.90 | +19 05 54.7 | – | L | T05 |
| 2016-10-16 10:30:23 | C | 23 46 11.17 | +18 48 52.0 | – | L | T05 |
| 2016-10-16 10:43:33 | C | 23 46 09.85 | +18 48 49.6 | – | L | T05 |
| 2016-10-16 11:14:53 | C | 23 46 06.70 | +18 48 42.0 | – | L | T05 |
| 2016-10-16 11:35:29 | C | 23 46 04.66 | +18 48 36.5 | – | L | T05 |
| 2016-10-19 02:37:11 | C | 23 40 05.80 | +18 33 24.5 | – | U | H21 |
| 2016-10-19 02:39:27 | C | 23 40 05.56 | +18 33 23.9 | – | U | H21 |
| 2016-10-19 02:41:56 | C | 23 40 05.32 | +18 33 23.2 | – | U | H21 |
| 2016-10-19 02:44:25 | C | 23 40 05.07 | +18 33 22.6 | – | U | H21 |
| 2016-10-19 02:46:53 | C | 23 40 04.81 | +18 33 22.1 | – | U | H21 |
| 2016-10-19 03:52:14 | C | 23 39 58.21 | +18 33 03.7 | – | q | W19 |
| 2016-10-19 03:59:59 | C | 23 39 57.43 | +18 33 01.5 | – | q | W19 |
| 2016-10-19 04:07:41 | C | 23 39 56.64 | +18 32 59.4 | – | q | W19 |
| 2016-10-19 04:15:28 | C | 23 39 55.88 | +18 32 57.5 | – | q | W19 |
| 2016-10-19 04:23:20 | C | 23 39 55.08 | +18 32 55.1 | – | q | W19 |
| 2016-10-20 08:55:09 | C | 23 37 12.18 | +18 25 13.5 | – | L | T05 |
| 2016-10-20 09:00:51 | C | 23 37 11.59 | +18 25 11.8 | – | L | T05 |
| 2016-10-20 09:26:48 | C | 23 37 08.96 | +18 25 04.5 | – | L | T05 |
| 2016-10-20 09:36:34 | C | 23 37 07.99 | +18 25 01.5 | – | L | T05 |
| 2016-10-21 19:55:34 | C | 23 33 53.95 | +18 14 40.9 | – | q | 160 |
| 2016-10-21 19:57:33 | C | 23 33 53.75 | +18 14 40.2 | – | q | 160 |
| 2016-10-21 19:59:32 | C | 23 33 53.58 | +18 14 39.2 | – | q | 160 |
| 2016-10-23 02:51:42 | C | 23 31 00.06 | +18 04 52.2 | – | q | 703 |
| 2016-10-23 03:00:21 | C | 23 30 59.21 | +18 04 49.6 | – | q | 703 |
| 2016-10-23 03:09:02 | C | 23 30 58.34 | +18 04 46.8 | – | q | 703 |
| 2016-10-23 03:17:42 | C | 23 30 57.50 | +18 04 44.1 | – | q | 703 |
| 2016-10-23 05:20:49 | C | 23 30 45.26 | +18 04 03.8 | – | q | G96 |
| 2016-10-23 05:28:01 | C | 23 30 44.54 | +18 04 01.3 | – | q | G96 |
| 2016-10-23 05:35:31 | C | 23 30 43.82 | +18 03 58.9 | – | q | G96 |
| 2016-10-23 05:41:40 | C | 23 30 43.22 | +18 03 56.3 | – | q | G96 |
| 2016-10-24 08:39:48 | C | 23 28 12.87 | +17 54 53.2 | – | 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 |