| 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 |
|---|---|---|---|---|---|---|
| 2006-12-11 19:54:23 | C | 22 33 28.91 | +11 16 33.9 | – | o | 434 |
| 2006-12-11 19:56:09 | C | 22 33 28.87 | +11 16 32.7 | – | o | 434 |
| 2006-12-11 19:57:55 | C | 22 33 28.84 | +11 16 31.9 | – | o | 434 |
| 2006-12-11 19:59:40 | C | 22 33 28.78 | +11 16 31.3 | – | o | 434 |
| 2006-12-11 20:01:26 | C | 22 33 28.73 | +11 16 30.5 | – | o | 434 |
| 2006-12-11 20:04:44 | C | 22 33 28.65 | +11 16 28.7 | – | o | 434 |
| 2006-12-11 20:06:31 | C | 22 33 28.61 | +11 16 27.7 | – | o | 434 |
| 2006-12-11 20:08:16 | C | 22 33 28.55 | +11 16 27.2 | – | o | 434 |
| 2006-12-11 20:10:01 | C | 22 33 28.53 | +11 16 26.1 | – | o | 434 |
| 2006-12-11 20:11:48 | C | 22 33 28.45 | +11 16 25.3 | – | o | 434 |
| 2006-12-11 20:13:33 | C | 22 33 28.41 | +11 16 24.4 | – | o | 434 |
| 2006-12-11 20:15:19 | C | 22 33 28.37 | +11 16 23.5 | – | o | 434 |
| 2006-12-11 20:17:05 | C | 22 33 28.32 | +11 16 22.7 | – | o | 434 |
| 2006-12-13 01:32:19 | C | 22 32 51.48 | +11 02 10.6 | 17.0 | c | 704 |
| 2006-12-13 01:50:26 | C | 22 32 51.02 | +11 02 02.2 | 16.8 | c | 704 |
| 2006-12-13 02:08:38 | C | 22 32 50.43 | +11 01 53.0 | 16.9 | c | 704 |
| 2006-12-13 02:26:33 | C | 22 32 49.89 | +11 01 42.9 | 17.3 | c | 704 |
| 2006-12-13 02:44:25 | C | 22 32 49.32 | +11 01 34.3 | 17.3 | c | 704 |
| 2006-12-14 01:24:17 | C | 22 32 19.68 | +10 49 59.7 | 17.1 | c | 704 |
| 2006-12-14 01:43:28 | C | 22 32 19.11 | +10 49 49.7 | 17.3 | c | 704 |
| 2006-12-14 02:02:23 | C | 22 32 18.51 | +10 49 39.4 | 17.2 | c | 704 |
| 2006-12-14 02:21:32 | C | 22 32 17.90 | +10 49 28.9 | 17.0 | c | 704 |
| 2006-12-14 02:40:26 | C | 22 32 17.31 | +10 49 18.7 | 16.8 | c | 704 |
| 2006-12-14 18:24:46 | C | 22 31 56.12 | +10 40 52.4 | – | o | 491 |
| 2006-12-14 18:35:51 | C | 22 31 55.86 | +10 40 47.3 | – | o | 491 |
| 2006-12-14 18:49:52 | C | 22 31 55.39 | +10 40 39.7 | – | o | 491 |
| 2006-12-14 19:17:11 | C | 22 31 54.52 | +10 40 25.3 | – | o | 491 |
| 2006-12-17 17:36:36 | C | 22 30 06.69 | +09 59 43.9 | 16.3 | r | 084 |
| 2006-12-17 17:39:46 | C | 22 30 06.61 | +09 59 42.3 | 16.2 | r | 084 |
| 2006-12-21 01:49:43 | C | 22 27 32.36 | +09 05 23.3 | – | r | 703 |
| 2006-12-21 02:00:36 | C | 22 27 31.82 | +09 05 15.1 | – | r | 703 |
| 2006-12-21 02:11:29 | C | 22 27 31.32 | +09 05 06.6 | – | r | 703 |
| 2006-12-21 02:22:18 | C | 22 27 30.81 | +09 04 58.4 | – | r | 703 |
| 2006-12-22 19:01:45 | C | 22 25 54.37 | +08 32 16.3 | 16.4 | r | 084 |
| 2006-12-22 19:04:55 | C | 22 25 54.24 | +08 32 14.1 | 16.3 | r | 084 |
| 2006-12-24 17:29:04 | C | 22 23 44.23 | +07 50 26.5 | 16.6 | r | 084 |
| 2006-12-24 17:32:14 | C | 22 23 44.09 | +07 50 24.0 | 16.4 | r | 084 |
| 2006-12-25 15:48:45 | C | 22 22 33.06 | +07 28 09.0 | 16.3 | r | 084 |
| 2006-12-25 15:51:54 | C | 22 22 32.82 | +07 28 06.0 | 16.8 | r | 084 |
| 2007-02-27 07:57:10 | C | 13 49 03.33 | -39 12 59.7 | – | r | 808 |
| 2007-02-27 08:05:59 | C | 13 49 02.03 | -39 12 53.6 | – | r | 808 |
| 2007-02-27 08:15:59 | C | 13 49 00.58 | -39 12 46.7 | – | r | 808 |
| 2007-03-05 06:13:00 | C | 13 31 24.83 | -37 27 37.7 | – | r | 808 |
| 2007-03-05 06:22:59 | C | 13 31 23.55 | -37 27 30.2 | – | r | 808 |
| 2007-03-05 06:33:00 | C | 13 31 22.22 | -37 27 22.3 | – | r | 808 |
| 2007-03-05 06:43:30 | C | 13 31 20.84 | -37 27 14.1 | – | r | 808 |
| 2007-03-10 16:43:15 | C | 13 16 50.68 | -35 38 49.1 | – | r | 423 |
| 2007-03-10 16:51:08 | C | 13 16 49.75 | -35 38 41.9 | – | r | 423 |
| 2007-03-23 14:42:59 | C | 12 48 11.16 | -30 39 43.7 | – | r | E12 |
| 2007-03-23 15:04:44 | C | 12 48 09.28 | -30 39 21.4 | – | r | E12 |
| 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 |