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 |
|---|---|---|---|---|---|---|
| 2022-03-08 04:15:36 | C | 13 08 00.30 | -36 55 36.2 | – | q | X74 |
| 2022-03-08 04:22:15 | C | 13 07 59.46 | -36 55 29.4 | – | q | X74 |
| 2022-03-08 04:23:09 | C | 13 07 59.36 | -36 55 28.3 | – | q | X74 |
| 2022-03-08 04:29:19 | C | 13 07 58.59 | -36 55 22.0 | – | q | X74 |
| 2022-03-08 04:35:55 | C | 13 07 57.77 | -36 55 15.1 | – | q | X74 |
| 2022-03-16 02:04:26 | C | 12 49 21.24 | -33 28 14.9 | – | q | 834 |
| 2022-03-16 02:41:48 | C | 12 49 17.68 | -33 27 35.6 | – | q | 834 |
| 2022-03-16 06:54:25 | C | 12 48 53.65 | -33 23 02.0 | – | V | W68 |
| 2022-03-16 06:59:21 | C | 12 48 53.17 | -33 22 56.5 | – | V | W68 |
| 2022-03-16 07:08:21 | C | 12 48 52.29 | -33 22 46.3 | – | V | W68 |
| 2022-03-16 07:23:13 | C | 12 48 50.84 | -33 22 29.4 | – | V | W68 |
| 2022-03-17 03:27:33 | C | 12 47 09.27 | -33 00 22.4 | – | q | Y00 |
| 2022-03-17 03:29:42 | C | 12 47 09.07 | -33 00 19.2 | – | q | Y00 |
| 2022-03-17 03:31:49 | C | 12 47 08.82 | -33 00 17.5 | – | q | Y00 |
| 2022-03-24 05:55:24 | C | 12 34 20.83 | -29 51 36.5 | – | V | W68 |
| 2022-03-24 05:59:24 | C | 12 34 20.53 | -29 51 32.1 | – | V | W68 |
| 2022-03-24 06:16:38 | C | 12 34 19.25 | -29 51 13.1 | – | V | W68 |
| 2022-03-24 06:24:47 | C | 12 34 18.62 | -29 51 03.8 | – | V | W68 |
| 2022-03-28 06:58:35 | C | 12 28 28.53 | -28 06 42.4 | – | V | 703 |
| 2022-03-28 07:04:27 | C | 12 28 28.05 | -28 06 35.3 | – | V | 703 |
| 2022-03-28 07:10:19 | C | 12 28 27.70 | -28 06 29.1 | – | V | 703 |
| 2022-03-28 07:16:13 | C | 12 28 27.35 | -28 06 23.4 | – | V | 703 |
| 2022-03-31 01:44:36 | C | 12 25 01.20 | -26 55 34.2 | – | q | 834 |
| 2022-03-31 02:17:15 | C | 12 24 59.43 | -26 55 00.8 | – | q | 834 |
| 2022-03-31 03:27:26 | C | 12 24 55.944 | -26 53 50.57 | – | V | W68 |
| 2022-03-31 03:30:03 | C | 12 24 55.798 | -26 53 47.72 | – | V | W68 |
| 2022-03-31 04:08:25 | C | 12 24 53.659 | -26 53 08.27 | – | V | W68 |
| 2022-03-31 04:48:03 | C | 12 24 51.444 | -26 52 26.83 | – | V | W68 |
| 2022-03-31 12:42:22 | C | 12 24 28.70 | -26 44 09.3 | – | q | E89 |
| 2022-03-31 12:49:03 | C | 12 24 28.35 | -26 44 02.6 | – | q | E89 |
| 2022-03-31 12:57:19 | C | 12 24 27.89 | -26 43 53.8 | – | q | E89 |
| 2022-03-31 13:07:05 | C | 12 24 27.37 | -26 43 43.5 | – | q | E89 |
| 2022-04-01 04:54:31 | C | 12 23 43.810 | -26 27 28.58 | – | V | W68 |
| 2022-04-01 05:16:03 | C | 12 23 42.660 | -26 27 06.23 | – | V | W68 |
| 2022-04-01 05:20:01 | C | 12 23 42.466 | -26 27 02.27 | – | V | W68 |
| 2022-04-01 05:27:39 | C | 12 23 42.055 | -26 26 54.17 | – | V | W68 |
| 2022-04-03 07:53:21 | C | 12 21 32.908 | -25 36 05.65 | – | V | 703 |
| 2022-04-03 08:08:54 | C | 12 21 32.231 | -25 35 50.17 | – | V | 703 |
| 2022-04-03 08:16:40 | C | 12 21 31.835 | -25 35 41.93 | – | V | 703 |
| 2022-04-04 01:57:35 | C | 12 20 51.86 | -25 17 44.0 | – | V | W94 |
| 2022-04-04 02:06:05 | C | 12 20 51.46 | -25 17 35.7 | – | V | W94 |
| 2022-04-04 02:14:29 | C | 12 20 51.09 | -25 17 27.1 | – | V | W94 |
| 2022-04-05 03:03:04 | C | 12 19 55.83 | -24 53 06.6 | – | V | W94 |
| 2022-04-05 03:11:44 | C | 12 19 55.47 | -24 52 58.1 | – | V | W94 |
| 2022-04-05 03:20:07 | C | 12 19 55.11 | -24 52 50.0 | – | V | W94 |
| 2022-04-05 04:13:02 | C | 12 19 52.925 | -24 51 55.37 | – | V | W68 |
| 2022-04-05 04:55:48 | C | 12 19 51.101 | -24 51 13.57 | – | V | W68 |
| 2022-04-05 05:05:04 | C | 12 19 50.714 | -24 51 04.43 | – | V | W68 |
| 2022-04-05 05:09:15 | C | 12 19 50.539 | -24 51 00.32 | – | V | W68 |
| 2022-04-05 14:13:38 | C | 12 19 31.66 | -24 42 12.8 | – | V | Q62 |
| 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 |