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 |
|---|---|---|---|---|---|---|
| 2016-09-06 13:25:16 | C | 00 46 27.75 | +16 59 23.4 | – | L | T05 |
| 2016-09-08 16:52:17 | C | 00 45 19.12 | +17 16 27.5 | – | q | D29 |
| 2016-09-08 17:12:39 | C | 00 45 18.55 | +17 16 34.1 | – | q | D29 |
| 2016-09-08 17:33:00 | C | 00 45 17.99 | +17 16 40.8 | – | q | D29 |
| 2016-09-09 22:52:34 | C | 00 44 32.68 | +17 26 04.7 | – | q | 160 |
| 2016-09-09 22:55:37 | C | 00 44 32.61 | +17 26 05.3 | – | q | 160 |
| 2016-09-09 22:58:38 | C | 00 44 32.53 | +17 26 06.7 | – | q | 160 |
| 2016-09-11 00:54:49 | C | 00 43 48.38 | +17 34 18.3 | – | o | Z22 |
| 2016-09-11 01:05:05 | C | 00 43 48.04 | +17 34 21.1 | – | o | Z22 |
| 2016-09-11 07:13:38 | C | 00 43 37.19 | +17 36 13.6 | – | q | 703 |
| 2016-09-11 07:22:17 | C | 00 43 36.91 | +17 36 17.4 | – | q | 703 |
| 2016-09-11 07:39:37 | C | 00 43 36.13 | +17 36 22.9 | – | q | 703 |
| 2016-09-20 19:24:16 | C | 00 34 18.68 | +18 37 13.7 | – | q | Z52 |
| 2016-09-20 19:52:18 | C | 00 34 17.20 | +18 37 20.0 | – | q | Z52 |
| 2016-09-20 20:28:33 | C | 00 34 15.27 | +18 37 28.8 | – | q | Z52 |
| 2016-09-21 16:43:27 | C | 00 33 10.26 | +18 41 55.9 | – | q | D29 |
| 2016-09-21 17:03:49 | C | 00 33 09.08 | +18 42 00.2 | – | q | D29 |
| 2016-09-21 17:24:11 | C | 00 33 07.90 | +18 42 04.4 | – | q | D29 |
| 2016-09-22 09:46:45 | C | 00 32 13.73 | +18 45 25.6 | – | q | 703 |
| 2016-09-22 09:56:19 | C | 00 32 13.11 | +18 45 27.6 | – | q | 703 |
| 2016-09-22 10:05:53 | C | 00 32 12.57 | +18 45 29.7 | – | q | 703 |
| 2016-09-22 10:15:27 | C | 00 32 12.00 | +18 45 31.1 | – | q | 703 |
| 2016-09-22 19:38:01 | C | 00 31 41.49 | +18 47 16.7 | – | q | Z52 |
| 2016-09-22 21:03:27 | C | 00 31 36.53 | +18 47 34.3 | – | q | Z52 |
| 2016-09-24 07:36:07 | C | 00 29 34.32 | +18 54 04.1 | – | q | H45 |
| 2016-09-24 07:37:41 | C | 00 29 34.21 | +18 54 04.4 | – | q | H45 |
| 2016-09-24 07:39:12 | C | 00 29 34.12 | +18 54 04.6 | – | q | H45 |
| 2016-09-24 07:40:33 | C | 00 29 34.04 | +18 54 04.8 | – | q | H45 |
| 2016-09-24 07:42:22 | C | 00 29 33.91 | +18 54 05.2 | – | q | H45 |
| 2016-09-24 07:43:44 | C | 00 29 33.83 | +18 54 05.4 | – | q | H45 |
| 2016-09-25 20:28:24 | C | 00 27 17.72 | +19 00 06.9 | – | o | 107 |
| 2016-09-25 20:53:51 | C | 00 27 16.00 | +19 00 11.2 | – | o | 107 |
| 2016-09-25 21:16:45 | C | 00 27 14.46 | +19 00 15.2 | – | o | 107 |
| 2016-09-25 22:19:50 | C | 00 27 10.24 | +19 00 25.4 | – | q | 160 |
| 2016-09-25 22:22:08 | C | 00 27 10.08 | +19 00 25.8 | – | q | 160 |
| 2016-09-25 22:24:27 | C | 00 27 09.95 | +19 00 25.8 | – | q | 160 |
| 2016-09-27 22:22:48 | C | 00 23 58.65 | +19 07 03.8 | – | c | A24 |
| 2016-09-27 22:23:52 | C | 00 23 58.59 | +19 07 04.0 | – | c | A24 |
| 2016-09-27 23:40:50 | C | 00 23 53.01 | +19 07 13.5 | – | c | A24 |
| 2016-09-27 23:41:54 | C | 00 23 52.92 | +19 07 13.7 | – | c | A24 |
| 2016-09-28 21:26:30 | C | 00 22 22.22 | +19 09 44.1 | – | c | A24 |
| 2016-09-28 21:27:33 | C | 00 22 22.22 | +19 09 44.1 | – | c | A24 |
| 2016-09-28 22:26:17 | C | 00 22 17.78 | +19 09 50.6 | – | c | A24 |
| 2016-09-28 22:27:18 | C | 00 22 17.72 | +19 09 50.7 | – | c | A24 |
| 2016-09-30 10:09:09 | C | 00 19 42.02 | +19 13 22.4 | – | L | T05 |
| 2016-09-30 10:09:52 | C | 00 19 41.93 | +19 13 22.9 | – | L | T05 |
| 2016-09-30 10:36:46 | C | 00 19 39.81 | +19 13 24.9 | – | L | T05 |
| 2016-09-30 10:51:23 | C | 00 19 38.69 | +19 13 25.9 | – | L | T05 |
| 2016-09-30 11:04:09 | C | 00 19 37.65 | +19 13 27.3 | – | L | T05 |
| 2016-09-30 11:08:17 | C | 00 19 37.29 | +19 13 27.3 | – | 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 |