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 |
|---|---|---|---|---|---|---|
| 2001-08-28 08:34:01 | C | 00 56 35.38 | +16 26 16.3 | – | c | 699 |
| 2001-08-28 09:12:22 | C | 00 56 35.46 | +16 26 32.6 | – | c | 699 |
| 2001-08-28 09:50:49 | C | 00 56 35.47 | +16 26 49.0 | – | c | 699 |
| 2001-09-09 08:46:25 | C | 00 54 31.26 | +18 22 47.7 | 18.9 | c | 704 |
| 2001-09-09 09:06:36 | C | 00 54 30.83 | +18 22 55.8 | 18.6 | c | 704 |
| 2001-09-09 09:26:50 | C | 00 54 30.36 | +18 23 04.1 | 18.9 | c | 704 |
| 2001-09-09 09:47:01 | C | 00 54 29.97 | +18 23 11.6 | 18.8 | c | 704 |
| 2001-09-09 10:07:13 | C | 00 54 29.46 | +18 23 18.5 | 18.0 | c | 704 |
| 2001-09-19 09:00:45 | C | 00 47 29.19 | +19 47 52.3 | 17.5 | c | 644 |
| 2001-09-19 09:30:55 | C | 00 47 27.85 | +19 48 01.6 | 17.3 | c | 644 |
| 2001-09-19 10:01:18 | C | 00 47 26.49 | +19 48 11.1 | 17.2 | c | 644 |
| 2001-09-25 06:37:20 | C | 00 40 42.76 | +20 28 57.8 | 17.9 | c | 704 |
| 2001-09-25 06:58:58 | C | 00 40 41.50 | +20 29 04.0 | 18.0 | c | 704 |
| 2001-09-25 07:20:33 | C | 00 40 40.23 | +20 29 09.2 | 17.9 | c | 704 |
| 2001-09-25 07:42:07 | C | 00 40 38.95 | +20 29 14.5 | 18.0 | c | 704 |
| 2001-09-26 07:11:02 | C | 00 39 19.79 | +20 35 13.6 | – | c | 670 |
| 2001-09-26 09:37:21 | C | 00 39 10.70 | +20 35 49.6 | – | c | 670 |
| 2001-09-29 08:52:41 | C | 00 34 48.27 | +20 52 06.5 | 17.2 | c | 644 |
| 2001-09-29 09:22:02 | C | 00 34 46.23 | +20 52 12.3 | 17.2 | c | 644 |
| 2001-09-29 09:53:02 | C | 00 34 44.09 | +20 52 18.6 | 17.1 | c | 644 |
| 2001-10-10 19:46:14 | C | 00 13 23.44 | +21 24 38.4 | – | c | 113 |
| 2001-10-10 19:48:14 | C | 00 13 23.25 | +21 24 38.4 | – | c | 113 |
| 2001-10-10 19:50:14 | C | 00 13 23.07 | +21 24 38.5 | – | c | 113 |
| 2001-10-10 19:52:14 | C | 00 13 22.89 | +21 24 38.7 | – | c | 113 |
| 2001-10-10 19:54:14 | C | 00 13 22.70 | +21 24 38.6 | – | c | 113 |
| 2001-10-13 13:11:17 | C | 00 07 22.61 | +21 24 00.3 | – | – | 355 |
| 2001-10-13 13:13:46 | C | 00 07 22.42 | +21 23 59.2 | – | – | 355 |
| 2001-10-13 13:15:48 | C | 00 07 22.20 | +21 23 59.1 | – | – | 355 |
| 2001-10-13 13:19:26 | C | 00 07 21.81 | +21 23 59.6 | – | – | 355 |
| 2001-10-14 19:36:26 | C | 00 04 30.39 | +21 22 18.9 | – | c | 198 |
| 2001-10-14 19:56:46 | C | 00 04 28.34 | +21 22 18.5 | – | c | 198 |
| 2001-10-14 21:18:00 | C | 00 04 20.22 | +21 22 15.3 | – | – | 610 |
| 2001-10-14 21:21:00 | C | 00 04 19.92 | +21 22 15.1 | – | – | 610 |
| 2001-10-14 21:24:01 | C | 00 04 19.62 | +21 22 15.0 | – | – | 610 |
| 2001-10-14 21:27:00 | C | 00 04 19.31 | +21 22 14.9 | – | – | 610 |
| 2001-10-14 21:30:00 | C | 00 04 19.01 | +21 22 14.7 | – | – | 610 |
| 2001-10-15 20:32:08 | C | 00 02 06.26 | +21 20 27.2 | 15.1 | c | 629 |
| 2001-10-15 20:36:08 | C | 00 02 05.83 | +21 20 26.7 | – | c | 629 |
| 2001-10-15 20:40:00 | C | 00 02 05.48 | +21 20 27.0 | – | c | 629 |
| 2001-10-17 01:21:35 | C | 23 59 18.90 | +21 17 31.8 | – | i | 726 |
| 2001-10-17 01:26:35 | C | 23 59 18.35 | +21 17 31.6 | – | i | 726 |
| 2001-10-17 01:31:35 | C | 23 59 17.88 | +21 17 31.4 | – | i | 726 |
| 2001-10-17 01:36:34 | C | 23 59 17.39 | +21 17 30.3 | – | i | 726 |
| 2001-10-17 01:41:34 | C | 23 59 16.86 | +21 17 30.6 | – | i | 726 |
| 2001-10-17 01:46:35 | C | 23 59 16.50 | +21 17 29.0 | – | i | 726 |
| 2001-10-17 18:04:52 | C | 23 57 40.61 | +21 15 33.5 | – | c | 185 |
| 2001-10-17 18:07:30 | C | 23 57 40.34 | +21 15 33.3 | – | c | 185 |
| 2001-10-17 18:10:45 | C | 23 57 40.01 | +21 15 32.9 | – | c | 185 |
| 2001-10-17 18:13:14 | C | 23 57 39.76 | +21 15 32.7 | – | c | 185 |
| 2001-10-17 18:15:45 | C | 23 57 39.51 | +21 15 32.4 | – | c | 185 |
| 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 |