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 |
|---|---|---|---|---|---|---|
| 2021-09-03 09:56:19 | C | 00 48 46.09 | +16 35 58.4 | – | U | I41 |
| 2021-09-04 11:44:04 | C | 00 48 24.82 | +16 45 14.7 | – | V | T08 |
| 2021-09-04 11:48:06 | C | 00 48 24.76 | +16 45 16.2 | – | V | T08 |
| 2021-09-04 11:52:19 | C | 00 48 24.67 | +16 45 17.6 | – | V | T08 |
| 2021-09-04 12:00:56 | C | 00 48 24.52 | +16 45 20.8 | – | V | T08 |
| 2021-09-06 13:26:53 | C | 00 47 34.02 | +17 02 37.5 | – | V | T05 |
| 2021-09-06 13:59:12 | C | 00 47 33.30 | +17 02 48.2 | – | V | T05 |
| 2021-09-06 14:12:30 | C | 00 47 33.07 | +17 02 51.7 | – | V | T05 |
| 2021-09-06 14:21:14 | C | 00 47 32.83 | +17 02 55.7 | – | V | T05 |
| 2021-09-07 08:38:08 | C | 00 47 11.66 | +17 09 08.5 | – | V | G96 |
| 2021-09-07 08:59:58 | C | 00 47 11.13 | +17 09 15.9 | – | V | G96 |
| 2021-09-07 09:08:04 | C | 00 47 10.93 | +17 09 18.5 | – | V | G96 |
| 2021-09-07 09:16:12 | C | 00 47 10.72 | +17 09 21.6 | – | V | G96 |
| 2021-09-08 09:31:57 | C | 00 46 39.72 | +17 17 33.0 | – | V | T08 |
| 2021-09-08 10:20:45 | C | 00 46 38.46 | +17 17 49.7 | – | V | T08 |
| 2021-09-08 10:25:09 | C | 00 46 38.36 | +17 17 51.0 | – | V | T08 |
| 2021-09-08 10:32:40 | C | 00 46 38.17 | +17 17 53.7 | – | V | T08 |
| 2021-09-09 13:28:11 | C | 00 45 58.825 | +17 26 45.56 | – | U | F52 |
| 2021-09-09 13:44:05 | C | 00 45 58.372 | +17 26 50.64 | – | U | F52 |
| 2021-09-09 13:59:59 | C | 00 45 57.922 | +17 26 55.68 | – | U | F52 |
| 2021-09-10 08:02:28 | C | 00 45 30.35 | +17 32 43.7 | – | V | 703 |
| 2021-09-10 08:11:04 | C | 00 45 30.10 | +17 32 46.2 | – | V | 703 |
| 2021-09-10 08:18:42 | C | 00 45 29.87 | +17 32 48.7 | – | V | 703 |
| 2021-09-10 08:26:20 | C | 00 45 29.64 | +17 32 50.6 | – | V | 703 |
| 2021-09-10 10:27:34 | C | 00 45 26.62 | +17 33 32.2 | – | V | T05 |
| 2021-09-10 10:30:12 | C | 00 45 26.53 | +17 33 33.0 | – | V | T05 |
| 2021-09-10 10:34:17 | C | 00 45 26.40 | +17 33 34.8 | – | V | T05 |
| 2021-09-10 10:41:35 | C | 00 45 26.19 | +17 33 36.9 | – | V | T05 |
| 2021-09-11 18:25:41 | C | 00 44 31.57 | +17 43 34.5 | – | V | D29 |
| 2021-09-11 18:46:03 | C | 00 44 30.89 | +17 43 40.6 | – | V | D29 |
| 2021-09-12 09:25:15 | C | 00 44 04.76 | +17 48 14.3 | – | V | T08 |
| 2021-09-12 10:13:10 | C | 00 44 03.11 | +17 48 29.3 | – | V | T08 |
| 2021-09-12 10:17:14 | C | 00 44 02.93 | +17 48 30.4 | – | V | T08 |
| 2021-09-13 07:13:34 | C | 00 43 22.38 | +17 54 47.4 | – | V | 703 |
| 2021-09-13 07:21:14 | C | 00 43 22.07 | +17 54 49.6 | – | V | 703 |
| 2021-09-13 07:28:54 | C | 00 43 21.82 | +17 54 51.8 | – | V | 703 |
| 2021-09-13 07:36:34 | C | 00 43 21.56 | +17 54 54.1 | – | V | 703 |
| 2021-09-14 14:58:06 | C | 00 42 16.526 | +18 04 18.59 | – | V | P07 |
| 2021-09-14 15:00:38 | C | 00 42 16.457 | +18 04 19.24 | – | V | P07 |
| 2021-09-14 16:29:33 | C | 00 42 12.890 | +18 04 45.48 | – | V | P07 |
| 2021-09-14 17:51:17 | C | 00 42 09.614 | +18 05 09.02 | – | V | P07 |
| 2021-09-14 19:23:47 | C | 00 42 05.897 | +18 05 35.45 | – | V | P07 |
| 2021-09-14 19:26:00 | C | 00 42 05.789 | +18 05 36.06 | – | V | P07 |
| 2021-09-15 18:15:37 | C | 00 41 14.39 | +18 11 51.0 | – | V | D29 |
| 2021-09-15 18:35:59 | C | 00 41 13.53 | +18 11 56.6 | – | V | D29 |
| 2021-09-15 18:56:20 | C | 00 41 12.67 | +18 12 02.2 | – | V | D29 |
| 2021-09-16 07:04:44 | C | 00 40 44.63 | +18 15 23.7 | – | V | 703 |
| 2021-09-16 07:12:19 | C | 00 40 44.30 | +18 15 25.4 | – | V | 703 |
| 2021-09-16 07:19:53 | C | 00 40 43.99 | +18 15 27.9 | – | V | 703 |
| 2021-09-16 07:20:17 | C | 00 40 43.95 | +18 15 27.9 | – | V | G96 |
| 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 |