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 |
|---|---|---|---|---|---|---|
| 2016-12-01 00:58:49 | C | 22 39 09.29 | +11 40 51.6 | – | q | H45 |
| 2016-12-01 01:00:00 | C | 22 39 09.27 | +11 40 51.2 | – | q | H45 |
| 2016-12-01 02:01:13 | C | 22 39 07.97 | +11 40 28.3 | – | q | H45 |
| 2016-12-01 02:02:22 | C | 22 39 07.94 | +11 40 27.7 | – | q | H45 |
| 2016-12-05 17:31:51 | C | 22 37 57.87 | +10 59 50.6 | – | U | K38 |
| 2016-12-05 17:54:37 | C | 22 37 57.53 | +10 59 42.2 | – | U | K38 |
| 2016-12-05 18:20:47 | C | 22 37 57.15 | +10 59 32.5 | – | U | K38 |
| 2016-12-05 18:26:15 | C | 22 37 57.00 | +10 59 31.7 | – | q | 160 |
| 2016-12-05 18:29:35 | C | 22 37 56.95 | +10 59 30.4 | – | q | 160 |
| 2016-12-05 18:32:59 | C | 22 37 56.89 | +10 59 29.2 | – | q | 160 |
| 2016-12-06 17:21:27 | C | 22 37 47.38 | +10 51 09.4 | – | q | 160 |
| 2016-12-06 17:25:47 | C | 22 37 47.34 | +10 51 08.1 | – | q | 160 |
| 2016-12-06 17:28:33 | C | 22 37 47.27 | +10 51 07.0 | – | q | 160 |
| 2016-12-08 18:58:20 | C | 22 37 28.49 | +10 32 45.5 | – | q | 160 |
| 2016-12-08 19:01:14 | C | 22 37 28.46 | +10 32 44.5 | – | q | 160 |
| 2016-12-08 19:04:09 | C | 22 37 28.39 | +10 32 43.3 | – | q | 160 |
| 2016-12-10 20:05:14 | C | 22 37 13.53 | +10 13 59.3 | – | q | 006 |
| 2016-12-10 20:15:08 | C | 22 37 13.41 | +10 13 55.3 | – | q | 006 |
| 2016-12-10 20:25:11 | C | 22 37 13.31 | +10 13 51.4 | – | q | 006 |
| 2016-12-10 20:34:27 | C | 22 37 13.22 | +10 13 47.4 | – | q | 006 |
| 2016-12-12 23:58:07 | C | 22 37 00.24 | +09 53 09.3 | – | u | H21 |
| 2016-12-13 00:00:11 | C | 22 37 00.22 | +09 53 08.4 | – | u | H21 |
| 2016-12-13 00:02:15 | C | 22 37 00.19 | +09 53 07.6 | – | u | H21 |
| 2016-12-13 00:04:18 | C | 22 37 00.15 | +09 53 06.7 | – | u | H21 |
| 2016-12-13 00:06:22 | C | 22 37 00.12 | +09 53 05.8 | – | u | H21 |
| 2016-12-13 00:08:26 | C | 22 37 00.10 | +09 53 05.0 | – | u | H21 |
| 2016-12-13 00:10:30 | C | 22 37 00.06 | +09 53 04.1 | – | u | H21 |
| 2016-12-13 00:12:34 | C | 22 37 00.05 | +09 53 03.2 | – | u | H21 |
| 2016-12-13 00:14:37 | C | 22 37 00.03 | +09 53 02.4 | – | u | H21 |
| 2016-12-13 00:16:39 | C | 22 37 00.00 | +09 53 01.6 | – | u | H21 |
| 2016-12-13 00:18:42 | C | 22 36 59.96 | +09 53 00.7 | – | u | H21 |
| 2016-12-13 00:20:45 | C | 22 36 59.93 | +09 52 59.8 | – | u | H21 |
| 2016-12-13 00:22:48 | C | 22 36 59.91 | +09 52 59.0 | – | u | H21 |
| 2016-12-13 00:24:39 | C | 22 36 59.89 | +09 52 58.1 | – | u | H21 |
| 2016-12-13 20:45:12 | C | 22 36 53.52 | +09 44 29.7 | – | o | Z22 |
| 2016-12-13 20:55:50 | C | 22 36 53.41 | +09 44 24.9 | – | o | Z22 |
| 2016-12-13 21:05:57 | C | 22 36 53.25 | +09 44 20.5 | – | o | Z22 |
| 2016-12-14 01:04:08 | C | 22 36 52.62 | +09 42 32.2 | – | u | H21 |
| 2016-12-14 01:06:12 | C | 22 36 52.58 | +09 42 31.2 | – | u | H21 |
| 2016-12-14 01:08:16 | C | 22 36 52.55 | +09 42 30.3 | – | u | H21 |
| 2016-12-14 01:10:20 | C | 22 36 52.54 | +09 42 29.4 | – | u | H21 |
| 2016-12-14 01:12:24 | C | 22 36 52.51 | +09 42 28.3 | – | u | H21 |
| 2016-12-14 01:14:28 | C | 22 36 52.49 | +09 42 27.6 | – | u | H21 |
| 2016-12-14 01:16:31 | C | 22 36 52.45 | +09 42 26.8 | – | u | H21 |
| 2016-12-14 01:18:35 | C | 22 36 52.43 | +09 42 25.9 | – | u | H21 |
| 2016-12-14 01:20:39 | C | 22 36 52.41 | +09 42 25.0 | – | u | H21 |
| 2016-12-14 01:22:43 | C | 22 36 52.39 | +09 42 24.1 | – | u | H21 |
| 2016-12-14 01:24:47 | C | 22 36 52.37 | +09 42 23.0 | – | u | H21 |
| 2016-12-14 01:26:51 | C | 22 36 52.34 | +09 42 22.0 | – | u | H21 |
| 2016-12-14 01:28:55 | C | 22 36 52.32 | +09 42 21.1 | – | u | H21 |
| 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 |