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 |
|---|---|---|---|---|---|---|
| 2017-03-19 13:28:14 | C | 12 42 36.60 | -31 53 25.2 | – | L | T05 |
| 2017-03-20 10:55:31 | C | 12 40 58.966 | -31 29 39.09 | – | L | F51 |
| 2017-03-20 11:12:24 | C | 12 40 57.496 | -31 29 20.28 | – | L | F51 |
| 2017-03-20 11:29:17 | C | 12 40 56.013 | -31 29 01.60 | – | L | F51 |
| 2017-03-20 11:46:10 | C | 12 40 54.573 | -31 28 42.91 | – | L | F51 |
| 2017-03-23 12:08:15 | C | 12 35 42.05 | -30 08 36.9 | – | L | T05 |
| 2017-03-23 12:30:47 | C | 12 35 40.31 | -30 08 11.4 | – | L | T05 |
| 2017-03-23 12:53:40 | C | 12 35 38.55 | -30 07 45.6 | – | L | T05 |
| 2017-03-23 13:16:37 | C | 12 35 36.76 | -30 07 19.5 | – | L | T05 |
| 2017-03-23 13:39:07 | C | 12 35 35.06 | -30 06 53.9 | – | L | T05 |
| 2017-03-27 12:08:21 | C | 12 29 40.59 | -28 23 47.5 | – | L | T05 |
| 2017-03-27 12:31:10 | C | 12 29 39.09 | -28 23 22.3 | – | L | T05 |
| 2017-03-27 12:53:28 | C | 12 29 37.63 | -28 22 57.9 | – | L | T05 |
| 2017-03-27 13:16:19 | C | 12 29 36.16 | -28 22 32.2 | – | L | T05 |
| 2017-03-30 11:57:05 | C | 12 25 49.86 | -27 07 20.1 | – | L | T08 |
| 2017-03-30 12:18:20 | C | 12 25 48.62 | -27 06 57.2 | – | L | T08 |
| 2017-03-30 12:38:56 | C | 12 25 47.48 | -27 06 34.7 | – | L | T08 |
| 2017-03-30 13:00:07 | C | 12 25 46.27 | -27 06 12.0 | – | L | T08 |
| 2017-04-01 00:01:28 | C | 12 24 09.25 | -26 29 25.7 | – | q | W98 |
| 2017-04-01 00:45:20 | C | 12 24 07.04 | -26 28 42.2 | – | q | W98 |
| 2017-04-01 01:32:21 | C | 12 24 04.67 | -26 27 55.4 | – | q | W98 |
| 2017-04-02 11:38:09 | C | 12 22 33.30 | -25 53 26.8 | – | L | T08 |
| 2017-04-02 12:00:17 | C | 12 22 32.23 | -25 53 03.5 | – | L | T08 |
| 2017-04-02 12:22:26 | C | 12 22 31.15 | -25 52 40.7 | – | L | T08 |
| 2017-04-02 12:45:18 | C | 12 22 30.04 | -25 52 17.2 | – | L | T08 |
| 2017-04-03 11:06:27 | C | 12 21 36.33 | -25 29 53.3 | – | L | T08 |
| 2017-04-03 11:29:14 | C | 12 21 35.26 | -25 29 30.4 | – | L | T08 |
| 2017-04-03 11:51:59 | C | 12 21 34.22 | -25 29 07.3 | – | L | T08 |
| 2017-04-03 12:14:00 | C | 12 21 33.20 | -25 28 44.8 | – | L | T08 |
| 2017-04-06 08:48:28 | C | 12 19 07.880 | -24 22 01.08 | – | L | F51 |
| 2017-04-06 09:04:52 | C | 12 19 07.235 | -24 21 45.66 | – | L | F51 |
| 2017-04-06 09:21:10 | C | 12 19 06.595 | -24 21 30.25 | – | L | F51 |
| 2017-04-06 09:37:31 | C | 12 19 05.949 | -24 21 14.76 | – | L | F51 |
| 2017-04-08 10:43:14 | C | 12 17 38.12 | -23 35 29.2 | – | L | T05 |
| 2017-04-08 11:06:32 | C | 12 17 37.32 | -23 35 07.7 | – | L | T05 |
| 2017-04-08 11:29:51 | C | 12 17 36.55 | -23 34 45.7 | – | L | T05 |
| 2017-04-08 11:53:16 | C | 12 17 35.78 | -23 34 24.0 | – | L | T05 |
| 2017-04-15 09:37:09 | C | 12 14 22.765 | -21 13 45.12 | – | L | F51 |
| 2017-04-15 09:53:30 | C | 12 14 22.472 | -21 13 32.22 | – | L | F51 |
| 2017-04-15 10:09:50 | C | 12 14 22.181 | -21 13 19.29 | – | L | F51 |
| 2017-04-15 10:25:00 | C | 12 14 21.88 | -21 13 06.5 | – | L | T08 |
| 2017-04-15 10:26:10 | C | 12 14 21.887 | -21 13 06.37 | – | L | F51 |
| 2017-04-15 10:45:32 | C | 12 14 21.50 | -21 12 50.1 | – | L | T08 |
| 2017-04-15 11:06:44 | C | 12 14 21.10 | -21 12 33.4 | – | L | T08 |
| 2017-04-15 11:27:23 | C | 12 14 20.80 | -21 12 17.2 | – | L | T08 |
| 2017-04-16 10:24:47 | C | 12 14 05.82 | -20 54 35.0 | – | L | T05 |
| 2017-04-16 10:46:31 | C | 12 14 05.49 | -20 54 18.5 | – | L | T05 |
| 2017-04-16 11:08:12 | C | 12 14 05.16 | -20 54 01.6 | – | L | T05 |
| 2017-04-16 11:29:08 | C | 12 14 04.86 | -20 53 45.5 | – | L | T05 |
| 2017-04-20 06:11:04 | C | 12 13 30.33 | -19 48 05.4 | – | q | 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 |