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 |
|---|---|---|---|---|---|---|
| 2021-10-07 20:09:00 | C | 00 07 16.59 | +19 26 18.7 | – | Y | N42 |
| 2021-10-07 20:11:24 | C | 00 07 16.38 | +19 26 18.5 | – | Y | N42 |
| 2021-10-07 20:13:48 | C | 00 07 16.15 | +19 26 18.5 | – | Y | N42 |
| 2021-10-07 20:28:10 | C | 00 07 14.86 | +19 26 17.7 | – | Y | N42 |
| 2021-10-07 20:30:33 | C | 00 07 14.65 | +19 26 17.6 | – | Y | N42 |
| 2021-10-07 20:32:58 | C | 00 07 14.43 | +19 26 17.5 | – | Y | N42 |
| 2021-10-07 20:47:22 | C | 00 07 13.14 | +19 26 16.8 | – | Y | N42 |
| 2021-10-07 20:49:45 | C | 00 07 12.92 | +19 26 16.6 | – | Y | N42 |
| 2021-10-07 20:52:09 | C | 00 07 12.70 | +19 26 16.5 | – | Y | N42 |
| 2021-10-07 20:54:34 | C | 00 07 12.47 | +19 26 16.4 | – | Y | N42 |
| 2021-10-07 20:56:57 | C | 00 07 12.27 | +19 26 16.2 | – | Y | N42 |
| 2021-10-09 05:17:14 | C | 00 04 22.72 | +19 24 38.1 | – | V | 703 |
| 2021-10-09 05:25:23 | C | 00 04 21.99 | +19 24 36.6 | – | V | 703 |
| 2021-10-09 05:33:32 | C | 00 04 21.20 | +19 24 36.5 | – | V | 703 |
| 2021-10-09 05:41:40 | C | 00 04 20.42 | +19 24 37.7 | – | V | 703 |
| 2021-10-09 21:00:11 | C | 00 02 58.55 | +19 23 24.4 | – | V | 196 |
| 2021-10-09 21:22:58 | C | 00 02 56.42 | +19 23 22.8 | – | V | 196 |
| 2021-10-09 21:45:44 | C | 00 02 54.30 | +19 23 21.1 | – | V | 196 |
| 2021-10-10 11:27:45 | C | 00 01 39.35 | +19 22 20.4 | – | V | T08 |
| 2021-10-10 11:33:04 | C | 00 01 38.84 | +19 22 19.7 | – | V | T08 |
| 2021-10-10 11:55:45 | C | 00 01 36.68 | +19 22 17.4 | – | V | T08 |
| 2021-10-11 20:20:38 | C | 23 58 40.63 | +19 18 48.1 | – | V | G17 |
| 2021-10-11 20:40:14 | C | 23 58 38.75 | +19 18 45.9 | – | V | G17 |
| 2021-10-11 20:48:31 | C | 23 58 37.96 | +19 18 45.0 | – | V | G17 |
| 2021-10-13 00:28:12 | C | 23 56 03.79 | +19 15 11.2 | – | V | Y90 |
| 2021-10-13 00:30:33 | C | 23 56 04.94 | +19 15 12.7 | – | V | W46 |
| 2021-10-13 00:31:19 | C | 23 56 03.50 | +19 15 11.3 | – | V | Y90 |
| 2021-10-13 00:34:24 | C | 23 56 03.20 | +19 15 10.9 | – | V | Y90 |
| 2021-10-13 00:50:17 | C | 23 56 03.03 | +19 15 10.2 | – | V | W46 |
| 2021-10-13 01:07:25 | C | 23 56 01.37 | +19 15 08.1 | – | V | W46 |
| 2021-10-13 04:57:24 | C | 23 55 39.48 | +19 14 37.7 | – | V | 703 |
| 2021-10-13 05:05:03 | C | 23 55 38.73 | +19 14 36.7 | – | V | 703 |
| 2021-10-13 05:12:41 | C | 23 55 37.96 | +19 14 35.8 | – | V | 703 |
| 2021-10-13 05:20:20 | C | 23 55 37.18 | +19 14 34.3 | – | V | 703 |
| 2021-10-13 22:39:43 | C | 23 53 59.74 | +19 11 53.3 | – | V | A16 |
| 2021-10-13 23:00:30 | C | 23 53 57.70 | +19 11 49.8 | – | V | A16 |
| 2021-10-13 23:42:10 | C | 23 53 53.62 | +19 11 43.0 | – | V | A16 |
| 2021-10-14 00:23:49 | C | 23 53 49.57 | +19 11 35.9 | – | V | A16 |
| 2021-10-14 08:48:26 | C | 23 53 02.86 | +19 10 25.0 | – | V | T08 |
| 2021-10-14 08:55:56 | C | 23 53 02.10 | +19 10 23.7 | – | V | T08 |
| 2021-10-14 09:35:37 | C | 23 52 58.14 | +19 10 16.8 | – | V | T08 |
| 2021-10-14 09:39:48 | C | 23 52 57.72 | +19 10 16.0 | – | V | T08 |
| 2021-10-14 20:09:35 | C | 23 51 59.30 | +19 08 20.1 | – | V | G14 |
| 2021-10-14 20:19:48 | C | 23 51 58.29 | +19 08 18.4 | – | V | G14 |
| 2021-10-14 20:31:37 | C | 23 51 57.11 | +19 08 16.4 | – | V | G14 |
| 2021-10-14 23:12:08 | C | 23 51 41.21 | +19 07 46.6 | – | V | A16 |
| 2021-10-14 23:54:03 | C | 23 51 37.08 | +19 07 39.2 | – | V | A16 |
| 2021-10-15 00:36:42 | C | 23 51 32.90 | +19 07 31.1 | – | V | A16 |
| 2021-10-16 03:34:00 | C | 23 49 01.33 | +19 02 31.8 | – | V | 703 |
| 2021-10-16 03:41:38 | C | 23 49 00.56 | +19 02 30.2 | – | V | 703 |
| 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 |