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 |
|---|---|---|---|---|---|---|
| 2011-12-28 18:44:21 | C | 22 31 14.61 | +06 07 38.3 | – | u | 160 |
| 2011-12-28 18:46:52 | C | 22 31 14.50 | +06 07 35.9 | – | u | 160 |
| 2012-01-09 18:07:42 | C | 22 08 39.77 | -02 10 32.4 | – | u | 160 |
| 2012-01-09 18:11:04 | C | 22 08 39.24 | -02 10 43.5 | – | u | 160 |
| 2012-01-09 18:14:10 | C | 22 08 38.64 | -02 10 51.8 | – | u | 160 |
| 2012-01-11 17:44:48 | C | 22 00 56.59 | -04 38 19.8 | – | u | 160 |
| 2012-01-11 17:47:44 | C | 22 00 56.03 | -04 38 29.9 | – | u | 160 |
| 2012-01-11 17:50:40 | C | 22 00 55.50 | -04 38 39.1 | – | u | 160 |
| 2012-02-23 14:39:18 | C | 13 52 44.273 | -42 15 27.05 | – | r | E12 |
| 2012-02-23 14:56:44 | C | 13 52 41.05 | -42 15 11.3 | – | r | E12 |
| 2012-02-23 15:14:04 | C | 13 52 37.83 | -42 14 55.7 | – | r | E12 |
| 2012-02-23 15:31:19 | C | 13 52 34.62 | -42 14 39.8 | – | r | E12 |
| 2012-03-17 06:09:00 | C | 12 47 43.49 | -32 49 49.2 | – | o | 844 |
| 2012-03-17 06:19:40 | C | 12 47 42.48 | -32 49 37.2 | – | o | 844 |
| 2012-03-17 06:30:19 | C | 12 47 41.49 | -32 49 25.2 | – | o | 844 |
| 2012-03-17 06:41:00 | C | 12 47 40.48 | -32 49 13.2 | – | o | 844 |
| 2012-03-17 06:51:40 | C | 12 47 39.49 | -32 49 01.1 | – | o | 844 |
| 2012-03-19 00:56:04 | C | 12 44 15.04 | -32 02 35.2 | – | c | I32 |
| 2012-03-19 01:01:16 | C | 12 44 14.64 | -32 02 29.8 | – | c | I32 |
| 2012-03-19 01:10:06 | C | 12 44 13.90 | -32 02 19.8 | – | c | I32 |
| 2012-03-22 16:19:58 | C | 12 37 37.90 | -30 26 17.9 | – | r | E12 |
| 2012-03-22 16:34:15 | C | 12 37 36.77 | -30 26 01.7 | – | r | E12 |
| 2012-03-22 16:48:37 | C | 12 37 35.65 | -30 25 45.5 | – | r | E12 |
| 2012-03-28 02:29:41 | C | 12 29 26.64 | -28 04 48.6 | – | u | I39 |
| 2012-03-28 02:36:29 | C | 12 29 26.22 | -28 04 41.2 | – | u | I39 |
| 2012-03-28 03:05:42 | C | 12 29 24.35 | -28 04 10.7 | – | u | I39 |
| 2012-03-29 09:00:07 | C | 12 27 47.539 | -27 32 49.93 | – | L | F51 |
| 2012-03-29 09:17:16 | C | 12 27 46.497 | -27 32 32.16 | – | L | F51 |
| 2012-03-30 14:50:02 | C | 12 26 15.44 | -27 01 11.1 | – | r | E12 |
| 2012-04-01 06:38:32 | C | 12 24 23.64 | -26 20 34.3 | 16.2 | c | 704 |
| 2012-04-01 06:53:34 | C | 12 24 22.85 | -26 20 19.0 | 16.6 | c | 704 |
| 2012-04-01 07:08:40 | C | 12 24 22.09 | -26 20 03.4 | 16.6 | c | 704 |
| 2012-04-01 07:23:41 | C | 12 24 21.27 | -26 19 47.7 | 16.7 | c | 704 |
| 2012-04-01 07:38:52 | C | 12 24 20.50 | -26 19 32.5 | 16.6 | c | 704 |
| 2012-04-13 08:25:37 | C | 12 15 38.543 | -21 52 14.13 | – | L | F51 |
| 2012-04-13 08:44:39 | C | 12 15 38.108 | -21 51 58.63 | – | L | F51 |
| 2012-04-13 09:03:43 | C | 12 15 37.675 | -21 51 43.05 | – | L | F51 |
| 2012-04-26 09:04:36 | C | 12 14 22.936 | -18 15 39.99 | – | L | F51 |
| 2012-04-26 09:20:06 | C | 12 14 22.983 | -18 15 31.17 | – | L | F51 |
| 2012-04-27 04:27:19 | C | 12 14 32.80 | -18 04 54.2 | 17.9 | c | 704 |
| 2012-04-27 04:42:47 | C | 12 14 32.86 | -18 04 45.5 | 18.1 | c | 704 |
| 2012-04-27 04:58:03 | C | 12 14 32.95 | -18 04 37.4 | 18.1 | c | 704 |
| 2012-04-27 05:13:19 | C | 12 14 32.99 | -18 04 28.9 | 18.2 | c | 704 |
| 2012-04-27 05:29:02 | C | 12 14 33.11 | -18 04 20.0 | 17.9 | c | 704 |
| 2012-06-07 06:13:19 | C | 12 45 32.108 | -14 11 20.36 | – | L | F51 |
| 2012-06-07 06:29:05 | C | 12 45 32.810 | -14 11 20.37 | – | L | F51 |
| 2013-06-10 09:14:15 | C | 21 08 00.96 | -16 11 48.9 | – | u | G96 |
| 2013-06-10 09:25:32 | C | 21 08 00.81 | -16 11 49.2 | – | u | G96 |
| 2013-06-10 09:36:48 | C | 21 08 00.70 | -16 11 49.0 | – | u | G96 |
| 2013-06-10 09:48:10 | C | 21 08 00.52 | -16 11 49.5 | – | u | G96 |
| 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 |