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 |
|---|---|---|---|---|---|---|
| 2011-09-24 12:36:57 | C | 00 30 43.29 | +18 54 59.4 | – | r | D29 |
| 2011-09-24 20:27:00 | C | 00 30 14.89 | +18 56 22.9 | – | u | A50 |
| 2011-09-24 21:00:03 | C | 00 30 12.83 | +18 56 29.1 | – | u | A50 |
| 2011-09-24 21:33:05 | C | 00 30 10.76 | +18 56 35.2 | – | u | A50 |
| 2011-09-27 07:35:49 | C | 00 26 32.13 | +19 06 08.4 | – | r | 703 |
| 2011-09-27 07:40:41 | C | 00 26 31.77 | +19 06 09.1 | – | r | 703 |
| 2011-09-27 07:45:30 | C | 00 26 31.48 | +19 06 09.9 | – | r | 703 |
| 2011-09-27 07:50:22 | C | 00 26 31.12 | +19 06 10.2 | – | r | 703 |
| 2011-09-29 19:54:13 | C | 00 22 25.43 | +19 13 41.6 | – | o | C60 |
| 2011-09-29 19:57:23 | C | 00 22 25.12 | +19 13 42.7 | – | o | C60 |
| 2011-09-29 20:00:33 | C | 00 22 24.88 | +19 13 42.5 | – | o | C60 |
| 2011-09-29 20:03:42 | C | 00 22 24.65 | +19 13 42.8 | – | o | C60 |
| 2011-09-29 20:06:52 | C | 00 22 24.43 | +19 13 43.4 | – | o | C60 |
| 2011-09-29 20:10:02 | C | 00 22 24.25 | +19 13 44.2 | – | o | C60 |
| 2011-09-29 20:13:12 | C | 00 22 23.98 | +19 13 43.8 | – | o | C60 |
| 2011-09-29 20:16:22 | C | 00 22 23.76 | +19 13 44.9 | – | o | C60 |
| 2011-09-29 20:19:32 | C | 00 22 23.50 | +19 13 44.7 | – | o | C60 |
| 2011-10-01 19:50:16 | C | 00 18 54.40 | +19 18 04.9 | – | u | A13 |
| 2011-10-01 20:21:28 | C | 00 18 51.98 | +19 18 07.6 | – | u | A13 |
| 2011-10-02 23:03:09 | C | 00 16 48.64 | +19 19 53.3 | – | c | A24 |
| 2011-10-02 23:04:12 | C | 00 16 48.55 | +19 19 53.5 | – | c | A24 |
| 2011-10-03 00:25:53 | C | 00 16 41.89 | +19 19 57.6 | – | c | A24 |
| 2011-10-03 00:26:56 | C | 00 16 41.80 | +19 19 57.7 | – | c | A24 |
| 2011-10-03 20:31:56 | C | 00 15 07.65 | +19 20 54.5 | – | u | C73 |
| 2011-10-03 20:38:21 | C | 00 15 07.08 | +19 20 54.8 | – | u | C73 |
| 2011-10-03 20:47:26 | C | 00 15 06.33 | +19 20 55.2 | – | u | C73 |
| 2011-10-03 21:40:28 | C | 00 15 02.23 | +19 20 57.5 | – | c | A24 |
| 2011-10-03 21:41:30 | C | 00 15 02.13 | +19 20 57.6 | – | c | A24 |
| 2011-10-03 23:03:22 | C | 00 14 55.25 | +19 21 00.6 | – | c | A24 |
| 2011-10-03 23:04:28 | C | 00 14 55.19 | +19 21 00.8 | – | c | A24 |
| 2011-10-04 21:50:33 | C | 00 13 05.44 | +19 21 41.4 | – | c | A24 |
| 2011-10-04 21:51:35 | C | 00 13 05.36 | +19 21 41.1 | – | c | A24 |
| 2011-10-05 20:40:43 | C | 00 11 12.97 | +19 21 57.4 | – | u | A13 |
| 2011-10-05 21:18:51 | C | 00 11 09.67 | +19 21 57.8 | – | u | A13 |
| 2011-10-05 21:56:23 | C | 00 11 06.40 | +19 21 58.3 | – | u | A13 |
| 2011-10-05 22:34:03 | C | 00 11 03.12 | +19 21 58.4 | – | u | A13 |
| 2011-10-06 19:57:12 | C | 00 09 15.59 | +19 21 51.4 | – | u | C73 |
| 2011-10-06 20:01:57 | C | 00 09 15.16 | +19 21 51.3 | – | u | C73 |
| 2011-10-06 20:06:11 | C | 00 09 14.79 | +19 21 51.2 | – | u | C73 |
| 2011-10-06 20:10:02 | C | 00 09 14.44 | +19 21 51.2 | – | u | C73 |
| 2011-10-15 20:21:26 | C | 23 49 38.91 | +19 00 09.7 | – | u | C01 |
| 2011-10-15 20:22:18 | C | 23 49 38.82 | +19 00 09.4 | – | u | C01 |
| 2011-10-15 20:23:10 | C | 23 49 38.73 | +19 00 09.4 | – | u | C01 |
| 2011-10-15 20:24:05 | C | 23 49 38.65 | +19 00 09.3 | – | u | C01 |
| 2011-10-15 20:24:57 | C | 23 49 38.56 | +19 00 09.1 | – | u | C01 |
| 2011-10-15 21:26:00 | C | 23 49 32.52 | +18 59 57.7 | – | u | C01 |
| 2011-10-15 21:26:53 | C | 23 49 32.43 | +18 59 57.6 | – | u | C01 |
| 2011-10-15 21:27:46 | C | 23 49 32.34 | +18 59 57.3 | – | u | C01 |
| 2011-10-15 21:28:40 | C | 23 49 32.26 | +18 59 57.3 | – | u | C01 |
| 2011-10-15 21:29:32 | C | 23 49 32.17 | +18 59 57.1 | – | u | C01 |
| 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 |