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 |
|---|---|---|---|---|---|---|
| 2021-10-01 02:31:55 | C | 00 20 21.62 | +19 22 26.7 | – | Y | 557 |
| 2021-10-01 03:39:00 | C | 00 20 16.52 | +19 22 31.3 | – | Y | 557 |
| 2021-10-01 06:20:59 | C | 00 20 05.50 | +19 22 51.9 | – | U | I41 |
| 2021-10-01 07:28:13 | C | 00 20 00.17 | +19 22 57.5 | – | U | I41 |
| 2021-10-01 07:40:33 | C | 00 19 59.20 | +19 22 58.5 | – | U | I41 |
| 2021-10-01 07:41:53 | C | 00 19 59.09 | +19 22 58.6 | – | U | I41 |
| 2021-10-02 13:32:41 | C | 00 17 41.89 | +19 25 05.2 | – | V | T08 |
| 2021-10-02 13:39:19 | C | 00 17 41.35 | +19 25 05.3 | – | V | T08 |
| 2021-10-02 13:53:56 | C | 00 17 40.18 | +19 25 06.0 | – | V | T08 |
| 2021-10-02 14:12:38 | C | 00 17 38.70 | +19 25 06.5 | – | V | T08 |
| 2021-10-03 05:27:52 | C | 00 16 28.70 | +19 25 53.6 | – | V | 703 |
| 2021-10-03 05:35:33 | C | 00 16 28.05 | +19 25 53.9 | – | V | 703 |
| 2021-10-03 05:43:14 | C | 00 16 27.41 | +19 25 54.3 | – | V | 703 |
| 2021-10-03 05:50:54 | C | 00 16 26.79 | +19 25 54.8 | – | V | 703 |
| 2021-10-03 07:27:18 | C | 00 16 19.604 | +19 26 02.04 | – | U | F52 |
| 2021-10-03 07:42:48 | C | 00 16 18.314 | +19 26 02.94 | – | U | F52 |
| 2021-10-03 07:58:22 | C | 00 16 17.015 | +19 26 03.85 | – | U | F52 |
| 2021-10-03 08:13:49 | C | 00 16 15.718 | +19 26 04.72 | – | U | F52 |
| 2021-10-03 15:23:46 | C | 00 15 41.18 | +19 26 19.4 | – | V | D29 |
| 2021-10-03 15:44:08 | C | 00 15 39.46 | +19 26 20.2 | – | V | D29 |
| 2021-10-03 16:04:29 | C | 00 15 37.74 | +19 26 21.0 | – | V | D29 |
| 2021-10-03 22:29:34 | C | 00 15 07.45 | +19 26 31.9 | – | V | Y90 |
| 2021-10-03 22:32:33 | C | 00 15 07.21 | +19 26 32.1 | – | V | Y90 |
| 2021-10-03 22:35:33 | C | 00 15 06.95 | +19 26 32.2 | – | V | Y90 |
| 2021-10-04 09:55:21 | C | 00 14 11.85 | +19 26 59.6 | – | V | T05 |
| 2021-10-04 10:00:00 | C | 00 14 11.44 | +19 26 59.7 | – | V | T05 |
| 2021-10-04 10:27:22 | C | 00 14 09.07 | +19 27 00.2 | – | V | T05 |
| 2021-10-04 10:37:54 | C | 00 14 08.17 | +19 27 00.3 | – | V | T05 |
| 2021-10-06 08:21:24 | C | 00 10 21.61 | +19 27 20.5 | – | V | T08 |
| 2021-10-06 08:24:04 | C | 00 10 21.38 | +19 27 20.4 | – | V | T08 |
| 2021-10-06 08:30:33 | C | 00 10 20.79 | +19 27 20.4 | – | V | T08 |
| 2021-10-06 08:39:21 | C | 00 10 20.00 | +19 27 20.5 | – | V | T08 |
| 2021-10-06 21:13:23 | C | 00 09 15.60 | +19 27 00.1 | – | V | 089 |
| 2021-10-06 21:23:22 | C | 00 09 14.71 | +19 26 59.4 | – | V | 089 |
| 2021-10-06 21:32:20 | C | 00 09 13.96 | +19 26 58.4 | – | V | 089 |
| 2021-10-07 18:33:12 | C | 00 07 26.17 | +19 26 19.5 | – | V | G02 |
| 2021-10-07 18:39:21 | C | 00 07 25.64 | +19 26 19.5 | – | V | G02 |
| 2021-10-07 18:45:31 | C | 00 07 25.03 | +19 26 19.9 | – | V | G02 |
| 2021-10-07 18:52:16 | C | 00 07 23.56 | +19 26 22.3 | – | Y | N42 |
| 2021-10-07 18:54:39 | C | 00 07 23.34 | +19 26 22.2 | – | Y | N42 |
| 2021-10-07 18:57:04 | C | 00 07 23.11 | +19 26 22.0 | – | Y | N42 |
| 2021-10-07 19:11:28 | C | 00 07 21.80 | +19 26 21.4 | – | Y | N42 |
| 2021-10-07 19:13:52 | C | 00 07 21.61 | +19 26 21.4 | – | Y | N42 |
| 2021-10-07 19:16:16 | C | 00 07 21.37 | +19 26 21.2 | – | Y | N42 |
| 2021-10-07 19:30:39 | C | 00 07 20.07 | +19 26 20.6 | – | Y | N42 |
| 2021-10-07 19:33:04 | C | 00 07 19.85 | +19 26 20.5 | – | Y | N42 |
| 2021-10-07 19:35:27 | C | 00 07 19.63 | +19 26 20.3 | – | Y | N42 |
| 2021-10-07 19:49:50 | C | 00 07 18.34 | +19 26 19.7 | – | Y | N42 |
| 2021-10-07 19:52:14 | C | 00 07 18.12 | +19 26 19.6 | – | Y | N42 |
| 2021-10-07 19:54:38 | C | 00 07 17.90 | +19 26 19.4 | – | Y | N42 |
| 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 |