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 |
|---|---|---|---|---|---|---|
| 2021-10-16 03:49:16 | C | 23 48 59.81 | +19 02 28.8 | – | V | 703 |
| 2021-10-16 03:56:54 | C | 23 48 58.99 | +19 02 27.2 | – | V | 703 |
| 2021-10-16 06:36:19 | C | 23 48 43.06 | +19 01 55.8 | – | V | G96 |
| 2021-10-16 06:44:32 | C | 23 48 42.23 | +19 01 54.1 | – | V | G96 |
| 2021-10-16 07:00:59 | C | 23 48 40.58 | +19 01 50.6 | – | V | G96 |
| 2021-10-17 19:22:33 | C | 23 45 14.04 | +18 53 54.4 | – | V | G02 |
| 2021-10-17 19:30:20 | C | 23 45 13.28 | +18 53 52.5 | – | V | G02 |
| 2021-10-17 19:38:32 | C | 23 45 12.45 | +18 53 51.1 | – | V | G02 |
| 2021-10-17 23:31:54 | C | 23 44 49.32 | +18 52 58.2 | – | V | L63 |
| 2021-10-17 23:42:12 | C | 23 44 48.31 | +18 52 55.8 | – | V | L63 |
| 2021-10-17 23:53:32 | C | 23 44 47.17 | +18 52 52.7 | – | V | L63 |
| 2021-10-19 05:27:56 | C | 23 41 59.06 | +18 45 40.1 | – | X | U55 |
| 2021-10-19 05:55:35 | C | 23 41 56.36 | +18 45 32.0 | – | X | U55 |
| 2021-10-19 06:23:37 | C | 23 41 53.54 | +18 45 25.4 | – | X | U55 |
| 2021-10-20 21:47:12 | C | 23 38 08.48 | +18 34 49.2 | – | V | L54 |
| 2021-10-20 22:04:24 | C | 23 38 06.78 | +18 34 44.1 | – | V | L54 |
| 2021-10-20 22:21:02 | C | 23 38 05.13 | +18 34 39.2 | – | V | L54 |
| 2021-10-22 21:23:34 | C | 23 33 39.20 | +18 20 34.3 | – | V | 104 |
| 2021-10-22 21:28:56 | C | 23 33 38.66 | +18 20 32.6 | – | V | 104 |
| 2021-10-22 21:34:18 | C | 23 33 38.13 | +18 20 30.9 | – | V | 104 |
| 2021-10-24 06:02:29 | C | 23 30 36.11 | +18 10 00.6 | – | V | 703 |
| 2021-10-24 06:10:05 | C | 23 30 35.36 | +18 09 57.9 | – | V | 703 |
| 2021-10-24 06:17:41 | C | 23 30 34.61 | +18 09 55.3 | – | V | 703 |
| 2021-10-24 06:25:16 | C | 23 30 33.87 | +18 09 52.9 | – | V | 703 |
| 2021-10-24 08:38:44 | C | 23 30 21.73 | +18 09 13.1 | – | V | T05 |
| 2021-10-24 08:43:21 | C | 23 30 21.27 | +18 09 11.5 | – | V | T05 |
| 2021-10-24 08:50:48 | C | 23 30 20.53 | +18 09 08.9 | – | V | T05 |
| 2021-10-24 09:06:43 | C | 23 30 18.96 | +18 09 03.3 | – | V | T05 |
| 2021-10-24 17:48:38 | C | 23 29 31.88 | +18 05 53.9 | – | Y | 557 |
| 2021-10-24 18:49:37 | C | 23 29 26.00 | +18 05 33.6 | – | Y | 557 |
| 2021-10-24 19:53:38 | C | 23 29 19.80 | +18 05 11.9 | – | Y | 557 |
| 2021-10-26 02:17:16 | C | 23 26 33.40 | +17 54 34.1 | – | V | G96 |
| 2021-10-26 02:25:17 | C | 23 26 32.63 | +17 54 31.3 | – | V | G96 |
| 2021-10-26 02:33:18 | C | 23 26 31.87 | +17 54 28.7 | – | V | G96 |
| 2021-10-26 02:41:18 | C | 23 26 31.08 | +17 54 25.7 | – | V | G96 |
| 2021-10-26 05:36:01 | C | 23 26 15.319 | +17 53 27.31 | – | U | F52 |
| 2021-10-26 06:11:08 | C | 23 26 11.914 | +17 53 14.99 | – | U | F52 |
| 2021-10-26 06:28:57 | C | 23 26 10.177 | +17 53 08.70 | – | U | F52 |
| 2021-10-26 08:13:31 | C | 23 25 59.96 | +17 52 31.4 | – | V | T08 |
| 2021-10-26 08:37:05 | C | 23 25 57.66 | +17 52 22.5 | – | V | T08 |
| 2021-10-26 08:41:52 | C | 23 25 57.19 | +17 52 20.9 | – | V | T08 |
| 2021-10-26 08:53:12 | C | 23 25 56.10 | +17 52 16.6 | – | V | T08 |
| 2021-10-26 19:18:46 | C | 23 25 00.44 | +17 48 14.4 | – | V | K74 |
| 2021-10-26 19:22:07 | C | 23 25 00.11 | +17 48 13.5 | – | V | K74 |
| 2021-10-26 19:25:26 | C | 23 24 59.82 | +17 48 12.3 | – | V | K74 |
| 2021-10-26 19:28:47 | C | 23 24 59.49 | +17 48 10.8 | – | V | K74 |
| 2021-10-26 19:34:08 | C | 23 24 58.98 | +17 48 08.8 | – | V | K74 |
| 2021-10-26 19:37:31 | C | 23 24 58.67 | +17 48 07.7 | – | V | K74 |
| 2021-10-26 20:00:12 | C | 23 24 56.73 | +17 48 02.7 | – | q | 006 |
| 2021-10-26 20:03:24 | C | 23 24 56.44 | +17 48 01.0 | – | q | 006 |
| 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 |