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 |
|---|---|---|---|---|---|---|
| 2021-11-22 18:50:30 | C | 22 44 40.21 | +13 10 35.2 | – | V | G33 |
| 2021-11-22 18:53:58 | C | 22 44 40.08 | +13 10 33.7 | – | V | G33 |
| 2021-11-22 18:57:19 | C | 22 44 39.97 | +13 10 32.4 | – | V | G33 |
| 2021-11-22 19:01:01 | C | 22 44 39.84 | +13 10 30.7 | – | V | G33 |
| 2021-11-23 05:40:57 | C | 22 44 20.45 | +13 06 29.2 | – | V | T08 |
| 2021-11-23 06:17:04 | C | 22 44 19.08 | +13 06 14.4 | – | V | T08 |
| 2021-11-23 06:24:48 | C | 22 44 18.79 | +13 06 11.2 | – | V | T08 |
| 2021-11-23 06:42:18 | C | 22 44 18.14 | +13 06 04.0 | – | V | T08 |
| 2021-11-23 14:13:21 | C | 22 44 05.50 | +13 02 51.9 | – | Y | N42 |
| 2021-11-23 14:14:43 | C | 22 44 05.44 | +13 02 51.7 | – | Y | N42 |
| 2021-11-23 14:15:50 | C | 22 44 05.40 | +13 02 51.2 | – | Y | N42 |
| 2021-11-23 14:16:58 | C | 22 44 05.37 | +13 02 50.8 | – | Y | N42 |
| 2021-11-23 14:18:04 | C | 22 44 05.33 | +13 02 50.3 | – | Y | N42 |
| 2021-11-23 14:19:12 | C | 22 44 05.28 | +13 02 49.8 | – | Y | N42 |
| 2021-11-23 14:20:19 | C | 22 44 05.25 | +13 02 49.4 | – | Y | N42 |
| 2021-11-23 14:21:27 | C | 22 44 05.20 | +13 02 48.9 | – | Y | N42 |
| 2021-11-23 14:22:34 | C | 22 44 05.17 | +13 02 48.5 | – | Y | N42 |
| 2021-11-23 14:23:41 | C | 22 44 05.13 | +13 02 48.0 | – | Y | N42 |
| 2021-11-23 16:34:58 | C | 22 44 00.61 | +13 01 54.3 | – | Y | N42 |
| 2021-11-23 16:36:21 | C | 22 44 00.55 | +13 01 53.7 | – | Y | N42 |
| 2021-11-23 16:37:44 | C | 22 44 00.51 | +13 01 53.1 | – | Y | N42 |
| 2021-11-23 16:39:06 | C | 22 44 00.46 | +13 01 52.5 | – | Y | N42 |
| 2021-11-23 16:40:29 | C | 22 44 00.42 | +13 01 51.9 | – | Y | N42 |
| 2021-11-23 16:41:52 | C | 22 44 00.38 | +13 01 51.4 | – | Y | N42 |
| 2021-11-23 16:43:14 | C | 22 44 00.32 | +13 01 50.8 | – | Y | N42 |
| 2021-11-23 16:44:37 | C | 22 44 00.28 | +13 01 50.2 | – | Y | N42 |
| 2021-11-23 16:46:00 | C | 22 44 00.23 | +13 01 49.6 | – | Y | N42 |
| 2021-11-24 21:13:34 | C | 22 43 13.32 | +12 50 32.5 | – | V | 130 |
| 2021-11-24 21:15:13 | C | 22 43 13.28 | +12 50 31.5 | – | V | 130 |
| 2021-11-24 21:16:52 | C | 22 43 13.24 | +12 50 30.9 | – | V | 130 |
| 2021-11-24 21:19:03 | C | 22 43 13.17 | +12 50 30.0 | – | V | 130 |
| 2021-11-25 05:37:29 | C | 22 43 01.03 | +12 47 28.3 | – | V | T05 |
| 2021-11-25 05:43:31 | C | 22 43 00.81 | +12 47 25.9 | – | V | T05 |
| 2021-11-25 05:51:29 | C | 22 43 00.55 | +12 47 22.8 | – | V | T05 |
| 2021-11-25 06:14:29 | C | 22 42 59.77 | +12 47 13.6 | – | V | T05 |
| 2021-11-27 07:12:24 | C | 22 41 50.15 | +12 28 13.9 | – | V | T08 |
| 2021-11-27 07:17:43 | C | 22 41 49.99 | +12 28 11.9 | – | V | T08 |
| 2021-11-27 07:47:31 | C | 22 41 49.17 | +12 27 59.7 | – | V | T08 |
| 2021-11-27 08:03:41 | C | 22 41 48.72 | +12 27 53.2 | – | V | T08 |
| 2021-11-27 19:21:31 | C | 22 41 35.47 | +12 23 23.8 | – | V | 511 |
| 2021-11-27 19:33:23 | C | 22 41 35.15 | +12 23 18.0 | – | V | 511 |
| 2021-11-27 19:45:15 | C | 22 41 34.76 | +12 23 13.8 | – | V | 511 |
| 2021-11-28 02:31:56 | C | 22 41 26.96 | +12 20 46.0 | – | V | 703 |
| 2021-11-28 02:40:10 | C | 22 41 26.67 | +12 20 42.5 | – | V | 703 |
| 2021-11-28 02:48:24 | C | 22 41 26.38 | +12 20 38.6 | – | V | 703 |
| 2021-11-28 02:56:38 | C | 22 41 25.97 | +12 20 34.7 | – | V | 703 |
| 2021-11-29 01:46:30 | C | 22 41 00.32 | +12 11 55.9 | – | V | V21 |
| 2021-11-29 01:57:27 | C | 22 41 00.03 | +12 11 51.9 | – | V | V21 |
| 2021-11-29 02:08:16 | C | 22 40 59.74 | +12 11 47.7 | – | V | V21 |
| 2021-11-29 02:19:05 | C | 22 40 59.46 | +12 11 43.6 | – | V | V21 |
| 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 |