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 |
|---|---|---|---|---|---|---|
| 1996-10-10 03:59:45 | C | 00 22 38.08 | +22 41 03.2 | – | z | 801 |
| 1996-10-11 06:44:26 | C | 00 20 16.21 | +22 43 33.8 | – | i | 711 |
| 1996-10-11 06:49:20 | C | 00 20 15.75 | +22 43 34.2 | – | i | 711 |
| 1996-10-12 03:59:18 | C | 00 18 21.62 | +22 45 01.7 | – | z | 801 |
| 1996-10-12 04:11:47 | C | 00 18 20.41 | +22 45 02.3 | – | z | 801 |
| 1996-10-12 23:00:04 | C | 00 16 36.82 | +22 46 03.1 | – | z | 118 |
| 1996-10-12 23:10:32 | C | 00 16 35.82 | +22 46 03.6 | – | z | 118 |
| 1996-10-13 04:48:54 | C | 00 16 05.23 | +22 46 25.7 | – | i | 711 |
| 1996-10-13 04:53:49 | C | 00 16 04.75 | +22 46 25.9 | – | i | 711 |
| 1996-10-15 19:02:17 | C | 00 10 11.42 | +22 47 18.9 | – | z | 557 |
| 1996-10-16 00:35:58 | C | 00 09 37.67 | +22 47 14.6 | – | z | 557 |
| 1996-10-16 01:39:38 | C | 00 09 31.30 | +22 47 12.2 | – | z | 557 |
| 1996-10-26 19:18:31 | C | 23 43 22.91 | +22 15 01.7 | – | z | 118 |
| 1996-10-26 19:31:03 | C | 23 43 21.55 | +22 14 58.9 | – | z | 118 |
| 1996-10-27 19:09:59 | C | 23 40 55.73 | +22 09 19.5 | – | z | 108 |
| 1996-10-27 19:21:02 | C | 23 40 54.53 | +22 09 17.3 | – | z | 108 |
| 1996-10-27 19:34:09 | C | 23 40 53.02 | +22 09 15.0 | – | z | 108 |
| 1996-10-27 20:24:50 | C | 23 40 47.63 | +22 09 01.9 | – | z | 108 |
| 1996-10-30 17:30:09 | C | 23 33 45.13 | +21 49 55.8 | – | z | 108 |
| 1996-10-30 17:40:31 | C | 23 33 44.06 | +21 49 54.0 | – | z | 108 |
| 1996-10-30 17:46:43 | C | 23 33 43.35 | +21 49 52.8 | – | z | 108 |
| 1996-10-30 17:54:46 | C | 23 33 42.55 | +21 49 49.7 | – | z | 108 |
| 1996-11-01 13:14:51 | C | 23 29 19.35 | +21 36 46.3 | – | – | 413 |
| 1996-11-01 13:22:03 | C | 23 29 18.60 | +21 36 43.6 | – | – | 413 |
| 1996-11-02 13:39:51 | C | 23 26 53.93 | +21 28 33.3 | – | – | 413 |
| 1996-11-02 13:42:57 | C | 23 26 53.64 | +21 28 32.0 | – | – | 413 |
| 1996-11-03 11:28:47 | C | 23 24 46.53 | +21 20 58.6 | – | – | 413 |
| 1996-11-03 11:31:45 | C | 23 24 46.21 | +21 20 57.7 | – | – | 413 |
| 1996-11-04 18:20:32 | C | 23 21 48.38 | +21 09 05.8 | – | z | 557 |
| 1996-11-04 19:13:34 | C | 23 21 42.98 | +21 08 46.4 | – | z | 557 |
| 1996-11-04 20:21:54 | C | 23 21 36.01 | +21 08 20.7 | – | z | 557 |
| 1996-11-04 20:55:32 | C | 23 21 32.60 | +21 08 07.9 | – | z | 557 |
| 1996-11-04 21:51:52 | C | 23 21 26.91 | +21 07 45.9 | – | z | 557 |
| 1996-11-04 22:04:10 | C | 23 21 25.55 | +21 07 41.0 | – | z | 118 |
| 1996-11-04 22:14:02 | C | 23 21 24.54 | +21 07 37.0 | – | z | 118 |
| 1996-11-06 20:19:27 | C | 23 17 05.00 | +20 49 54.6 | 15.8 | z | 627 |
| 1996-11-06 21:10:05 | C | 23 16 59.96 | +20 49 34.1 | 15.5 | z | 627 |
| 1996-11-08 18:16:28 | C | 23 12 54.42 | +20 31 14.0 | 16.2 | z | 627 |
| 1996-11-08 18:57:09 | C | 23 12 50.53 | +20 30 57.6 | 15.8 | z | 627 |
| 1996-11-08 19:41:39 | C | 23 12 46.12 | +20 30 39.4 | – | z | 108 |
| 1996-11-08 19:47:30 | C | 23 12 45.56 | +20 30 37.6 | – | z | 108 |
| 1996-11-08 19:54:32 | C | 23 12 44.80 | +20 30 33.7 | – | z | 108 |
| 1996-11-08 19:57:29 | C | 23 12 44.69 | +20 30 32.8 | 15.8 | z | 627 |
| 1996-11-08 20:02:49 | C | 23 12 44.02 | +20 30 31.0 | – | z | 108 |
| 1996-11-08 21:12:47 | C | 23 12 37.44 | +20 30 01.0 | 15.8 | z | 627 |
| 1996-11-12 00:24:12 | C | 23 06 07.53 | +19 57 52.3 | – | z | 801 |
| 1996-11-12 00:38:04 | C | 23 06 06.29 | +19 57 46.4 | – | z | 801 |
| 1996-11-12 23:43:35 | C | 23 04 11.92 | +19 47 34.1 | – | z | 801 |
| 1996-11-13 00:01:35 | C | 23 04 10.31 | +19 47 26.2 | – | z | 801 |
| 1996-11-17 02:06:22 | C | 22 56 30.77 | +19 03 11.2 | – | i | 711 |
| 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 |