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 |
|---|---|---|---|---|---|---|
| 2007-03-23 15:26:32 | C | 12 48 07.38 | -30 38 59.2 | – | r | E12 |
| 2007-03-23 15:47:46 | C | 12 48 05.58 | -30 38 37.2 | – | r | E12 |
| 2007-03-27 16:37:08 | C | 12 41 06.00 | -28 59 29.7 | – | r | E12 |
| 2007-03-27 16:52:14 | C | 12 41 04.92 | -28 59 13.9 | – | r | E12 |
| 2007-03-27 17:07:05 | C | 12 41 03.80 | -28 58 58.2 | – | r | E12 |
| 2007-03-27 17:22:08 | C | 12 41 02.72 | -28 58 42.4 | – | r | E12 |
| 2007-04-06 15:29:02 | C | 12 28 13.83 | -25 03 11.8 | – | r | E12 |
| 2007-04-06 15:44:26 | C | 12 28 13.15 | -25 02 58.9 | – | r | E12 |
| 2007-04-07 04:44:30 | C | 12 27 42.12 | -24 50 48.6 | – | r | 808 |
| 2007-04-07 05:01:59 | C | 12 27 41.30 | -24 50 31.8 | – | r | 808 |
| 2007-04-07 05:24:59 | C | 12 27 40.20 | -24 50 09.9 | – | r | 808 |
| 2007-04-18 15:12:42 | C | 12 20 27.02 | -20 59 07.6 | – | r | E12 |
| 2007-04-18 15:49:40 | C | 12 20 26.37 | -20 58 39.5 | – | r | E12 |
| 2007-05-11 13:35:27 | C | 12 24 05.90 | -16 06 52.1 | – | r | E12 |
| 2007-05-11 13:48:19 | C | 12 24 06.22 | -16 06 47.4 | – | r | E12 |
| 2007-05-11 14:01:14 | C | 12 24 06.44 | -16 06 43.0 | – | r | E12 |
| 2007-05-11 14:14:10 | C | 12 24 06.69 | -16 06 39.2 | – | r | E12 |
| 2008-07-23 06:11:53 | C | 20 30 40.04 | -17 33 40.4 | – | o | H55 |
| 2011-06-09 14:05:28 | C | 23 44 30.177 | +01 51 33.48 | – | L | F51 |
| 2011-06-09 14:13:26 | C | 23 44 30.619 | +01 51 36.90 | – | L | F51 |
| 2011-06-09 14:29:18 | C | 23 44 31.403 | +01 51 43.71 | – | L | F51 |
| 2011-06-13 10:47:23 | C | 23 49 16.96 | +02 32 26.5 | – | r | G96 |
| 2011-06-13 10:51:32 | C | 23 49 17.18 | +02 32 28.3 | – | r | G96 |
| 2011-06-13 10:55:42 | C | 23 49 17.40 | +02 32 30.6 | – | r | G96 |
| 2011-06-13 10:59:53 | C | 23 49 17.61 | +02 32 32.3 | – | r | G96 |
| 2011-07-28 14:25:49 | C | 00 36 20.340 | +10 29 00.85 | – | L | F51 |
| 2011-07-28 14:42:00 | C | 00 36 20.806 | +10 29 08.13 | – | L | F51 |
| 2011-08-26 08:16:28 | C | 00 49 18.87 | +15 16 02.1 | 18.9 | c | 704 |
| 2011-08-26 08:35:25 | C | 00 49 18.87 | +15 16 07.8 | 18.8 | c | 704 |
| 2011-08-26 09:13:19 | C | 00 49 18.76 | +15 16 23.1 | 18.9 | c | 704 |
| 2011-08-26 09:32:20 | C | 00 49 18.76 | +15 16 30.2 | 18.7 | c | 704 |
| 2011-09-02 14:14:42 | C | 00 48 29.767 | +16 21 46.07 | – | L | F51 |
| 2011-09-02 14:29:55 | C | 00 48 29.558 | +16 21 51.57 | – | L | F51 |
| 2011-09-12 21:16:24 | C | 00 43 19.57 | +17 44 55.3 | – | u | B67 |
| 2011-09-12 21:25:40 | C | 00 43 19.25 | +17 44 58.2 | – | u | B67 |
| 2011-09-12 21:34:56 | C | 00 43 18.95 | +17 45 01.2 | – | u | B67 |
| 2011-09-21 00:11:22 | C | 00 35 19.85 | +18 37 27.1 | – | c | A24 |
| 2011-09-21 00:12:25 | C | 00 35 19.81 | +18 37 27.1 | – | c | A24 |
| 2011-09-21 01:22:37 | C | 00 35 16.01 | +18 37 43.0 | – | c | A24 |
| 2011-09-21 01:23:39 | C | 00 35 15.98 | +18 37 43.3 | – | c | A24 |
| 2011-09-21 06:03:22 | C | 00 35 02.47 | +18 38 49.7 | – | r | 703 |
| 2011-09-21 06:14:16 | C | 00 35 01.86 | +18 38 51.9 | – | r | 703 |
| 2011-09-21 06:25:15 | C | 00 35 01.28 | +18 38 54.7 | – | r | 703 |
| 2011-09-21 06:36:12 | C | 00 35 00.60 | +18 38 57.8 | – | r | 703 |
| 2011-09-22 23:32:55 | C | 00 32 49.64 | +18 47 44.1 | – | c | A24 |
| 2011-09-23 00:42:08 | C | 00 32 45.51 | +18 47 58.2 | – | c | A24 |
| 2011-09-23 00:43:10 | C | 00 32 45.47 | +18 47 58.5 | – | c | A24 |
| 2011-09-24 11:36:32 | C | 00 30 46.95 | +18 54 47.3 | – | r | D29 |
| 2011-09-24 11:56:41 | C | 00 30 45.74 | +18 54 51.4 | – | r | D29 |
| 2011-09-24 12:16:50 | C | 00 30 44.51 | +18 54 55.3 | – | r | D29 |
| 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 |