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 |
|---|---|---|---|---|---|---|
| 2016-12-14 01:31:00 | C | 22 36 52.30 | +09 42 20.3 | – | u | H21 |
| 2016-12-14 01:33:03 | C | 22 36 52.26 | +09 42 19.5 | – | u | H21 |
| 2016-12-14 01:35:06 | C | 22 36 52.24 | +09 42 18.5 | – | u | H21 |
| 2016-12-14 02:22:50 | C | 22 36 51.71 | +09 41 57.3 | – | u | H21 |
| 2016-12-14 02:24:47 | C | 22 36 51.68 | +09 41 56.3 | – | u | H21 |
| 2016-12-14 02:27:02 | C | 22 36 51.66 | +09 41 55.1 | – | u | H21 |
| 2016-12-14 04:35:40 | C | 22 36 52.02 | +09 41 13.9 | – | L | T05 |
| 2016-12-14 04:36:24 | C | 22 36 51.95 | +09 41 14.1 | – | L | T05 |
| 2016-12-14 04:57:09 | C | 22 36 51.68 | +09 41 04.2 | – | L | T05 |
| 2016-12-14 05:06:06 | C | 22 36 51.50 | +09 41 00.0 | – | L | T05 |
| 2016-12-17 17:42:15 | C | 22 36 21.70 | +09 01 14.8 | – | q | 160 |
| 2016-12-17 17:44:32 | C | 22 36 21.66 | +09 01 13.6 | – | q | 160 |
| 2016-12-17 17:46:48 | C | 22 36 21.63 | +09 01 12.8 | – | q | 160 |
| 2016-12-18 17:39:31 | C | 22 36 10.35 | +08 48 48.8 | – | q | 160 |
| 2016-12-18 17:43:08 | C | 22 36 10.24 | +08 48 46.2 | – | q | 160 |
| 2016-12-18 17:45:58 | C | 22 36 10.19 | +08 48 45.2 | – | q | 160 |
| 2016-12-19 10:49:24 | C | 22 36 00.68 | +08 39 35.3 | – | q | D29 |
| 2016-12-19 11:09:46 | C | 22 36 00.30 | +08 39 23.7 | – | q | D29 |
| 2016-12-19 11:30:08 | C | 22 35 59.93 | +08 39 12.3 | – | q | D29 |
| 2016-12-19 23:52:33 | C | 22 35 53.40 | +08 32 09.8 | – | u | H21 |
| 2016-12-19 23:54:31 | C | 22 35 53.36 | +08 32 08.8 | – | u | H21 |
| 2016-12-19 23:56:29 | C | 22 35 53.32 | +08 32 07.7 | – | u | H21 |
| 2016-12-19 23:58:26 | C | 22 35 53.27 | +08 32 06.5 | – | u | H21 |
| 2016-12-20 00:00:24 | C | 22 35 53.23 | +08 32 05.4 | – | u | H21 |
| 2016-12-20 00:02:22 | C | 22 35 53.20 | +08 32 04.2 | – | u | H21 |
| 2016-12-20 00:04:19 | C | 22 35 53.16 | +08 32 03.1 | – | u | H21 |
| 2016-12-20 00:07:26 | C | 22 35 53.10 | +08 32 01.3 | – | u | H21 |
| 2016-12-20 00:36:46 | C | 22 35 52.69 | +08 31 47.7 | – | q | H45 |
| 2016-12-20 00:37:54 | C | 22 35 52.66 | +08 31 46.8 | – | q | H45 |
| 2016-12-20 00:38:53 | C | 22 35 52.64 | +08 31 46.2 | – | q | H45 |
| 2016-12-20 00:39:52 | C | 22 35 52.62 | +08 31 45.7 | – | q | H45 |
| 2016-12-20 00:40:51 | C | 22 35 52.61 | +08 31 45.2 | – | q | H45 |
| 2016-12-20 00:41:46 | C | 22 35 52.59 | +08 31 44.6 | – | q | H45 |
| 2016-12-22 04:53:10 | C | 22 35 14.00 | +07 59 59.7 | – | L | T05 |
| 2016-12-22 05:03:37 | C | 22 35 13.73 | +07 59 52.7 | – | L | T05 |
| 2016-12-22 05:18:27 | C | 22 35 13.36 | +07 59 42.8 | – | L | T05 |
| 2016-12-22 05:35:31 | C | 22 35 12.94 | +07 59 31.4 | – | L | T05 |
| 2016-12-27 10:18:29 | C | 22 32 32.93 | +06 21 22.1 | – | q | D29 |
| 2016-12-27 10:40:07 | C | 22 32 32.04 | +06 21 01.4 | – | q | D29 |
| 2016-12-27 11:01:45 | C | 22 32 31.17 | +06 20 40.8 | – | q | D29 |
| 2016-12-28 00:15:49 | C | 22 32 06.83 | +06 07 53.8 | – | q | H45 |
| 2016-12-28 00:17:18 | C | 22 32 06.78 | +06 07 52.4 | – | q | H45 |
| 2016-12-28 00:18:36 | C | 22 32 06.72 | +06 07 51.1 | – | q | H45 |
| 2016-12-28 00:19:50 | C | 22 32 06.67 | +06 07 49.8 | – | q | H45 |
| 2016-12-28 00:21:11 | C | 22 32 06.61 | +06 07 48.4 | – | q | H45 |
| 2016-12-28 00:22:36 | C | 22 32 06.55 | +06 07 47.1 | – | q | H45 |
| 2016-12-29 11:23:04 | C | 22 30 50.49 | +05 31 17.4 | – | q | D29 |
| 2016-12-29 11:48:32 | C | 22 30 49.26 | +05 30 48.9 | – | q | D29 |
| 2016-12-29 12:13:58 | C | 22 30 48.08 | +05 30 20.5 | – | q | D29 |
| 2016-12-31 17:39:14 | C | 22 28 23.01 | +04 25 26.3 | – | q | 160 |
| 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 |