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 |
|---|---|---|---|---|---|---|
| 2021-11-29 02:29:45 | C | 22 40 59.18 | +12 11 39.5 | – | V | V21 |
| 2021-11-29 02:40:34 | C | 22 40 58.89 | +12 11 35.4 | – | V | V21 |
| 2021-11-29 02:50:50 | C | 22 40 58.63 | +12 11 31.4 | – | V | V21 |
| 2021-12-01 00:42:32 | C | 22 40 13.21 | +11 54 17.2 | – | q | H45 |
| 2021-12-01 00:44:30 | C | 22 40 13.16 | +11 54 16.6 | – | q | H45 |
| 2021-12-01 00:47:49 | C | 22 40 13.07 | +11 54 15.3 | – | q | H45 |
| 2021-12-01 00:49:17 | C | 22 40 13.05 | +11 54 14.5 | – | q | H45 |
| 2021-12-01 00:51:35 | C | 22 40 13.00 | +11 54 13.8 | – | q | H45 |
| 2021-12-01 00:53:52 | C | 22 40 12.95 | +11 54 13.0 | – | q | H45 |
| 2021-12-01 03:04:46 | C | 22 40 10.49 | +11 53 25.2 | – | V | 703 |
| 2021-12-01 03:13:04 | C | 22 40 10.31 | +11 53 21.8 | – | V | 703 |
| 2021-12-01 03:21:20 | C | 22 40 10.12 | +11 53 18.6 | – | V | 703 |
| 2021-12-01 03:29:36 | C | 22 40 09.94 | +11 53 15.5 | – | V | 703 |
| 2021-12-01 03:32:48 | C | 22 40 09.87 | +11 53 14.3 | – | V | 703 |
| 2021-12-01 03:41:07 | C | 22 40 09.69 | +11 53 11.1 | – | V | 703 |
| 2021-12-01 03:49:25 | C | 22 40 09.50 | +11 53 07.7 | – | V | 703 |
| 2021-12-01 03:57:44 | C | 22 40 09.33 | +11 53 04.6 | – | V | 703 |
| 2021-12-04 03:26:47 | C | 22 39 15.01 | +11 26 34.4 | – | V | 703 |
| 2021-12-04 04:10:35 | C | 22 39 14.22 | +11 26 17.7 | – | V | 703 |
| 2021-12-04 04:18:44 | C | 22 39 14.09 | +11 26 14.7 | – | V | 703 |
| 2021-12-04 04:26:53 | C | 22 39 13.95 | +11 26 11.4 | – | V | 703 |
| 2021-12-04 07:04:30 | C | 22 39 12.26 | +11 25 20.8 | – | V | T08 |
| 2021-12-04 07:08:30 | C | 22 39 12.20 | +11 25 19.4 | – | V | T08 |
| 2021-12-04 07:16:29 | C | 22 39 12.06 | +11 25 16.0 | – | V | T08 |
| 2021-12-04 07:33:06 | C | 22 39 11.78 | +11 25 09.8 | – | V | T08 |
| 2021-12-07 02:00:55 | C | 22 38 37.73 | +11 00 25.5 | – | V | 703 |
| 2021-12-07 02:09:11 | C | 22 38 37.59 | +11 00 22.3 | – | V | 703 |
| 2021-12-07 02:17:28 | C | 22 38 37.47 | +11 00 19.2 | – | V | 703 |
| 2021-12-07 02:25:44 | C | 22 38 37.33 | +11 00 16.1 | – | V | 703 |
| 2021-12-08 01:59:03 | C | 22 38 27.67 | +10 51 26.1 | – | V | 703 |
| 2021-12-08 02:07:19 | C | 22 38 27.56 | +10 51 22.9 | – | V | 703 |
| 2021-12-08 02:15:34 | C | 22 38 27.43 | +10 51 19.7 | – | V | 703 |
| 2021-12-08 02:23:51 | C | 22 38 27.31 | +10 51 16.6 | – | V | 703 |
| 2021-12-11 17:40:24 | C | 22 37 58.66 | +10 17 20.4 | – | V | G17 |
| 2021-12-11 18:08:45 | C | 22 37 58.32 | +10 17 08.9 | – | V | G17 |
| 2021-12-11 18:29:16 | C | 22 37 58.07 | +10 17 00.0 | – | V | G17 |
| 2021-12-12 17:02:07 | C | 22 37 52.24 | +10 07 49.7 | – | V | G17 |
| 2021-12-12 17:12:27 | C | 22 37 52.11 | +10 07 45.4 | – | V | G17 |
| 2021-12-12 17:22:48 | C | 22 37 51.98 | +10 07 41.1 | – | V | G17 |
| 2021-12-13 02:25:32 | C | 22 37 48.81 | +10 04 01.9 | – | V | G96 |
| 2021-12-13 02:33:02 | C | 22 37 48.71 | +10 03 58.7 | – | V | G96 |
| 2021-12-13 02:40:31 | C | 22 37 48.62 | +10 03 55.5 | – | V | G96 |
| 2021-12-13 02:48:02 | C | 22 37 48.51 | +10 03 52.3 | – | V | G96 |
| 2021-12-13 07:10:24 | C | 22 37 46.47 | +10 02 09.2 | – | V | T08 |
| 2021-12-13 07:14:24 | C | 22 37 46.42 | +10 02 07.2 | – | V | T08 |
| 2021-12-13 07:22:23 | C | 22 37 46.35 | +10 02 03.7 | – | V | T08 |
| 2021-12-14 15:19:49 | C | 22 37 37.76 | +09 48 19.5 | – | q | C97 |
| 2021-12-14 15:21:01 | C | 22 37 37.74 | +09 48 19.2 | – | q | C97 |
| 2021-12-16 05:00:04 | C | 22 37 25.67 | +09 31 17.7 | – | V | T08 |
| 2021-12-16 05:04:42 | C | 22 37 25.60 | +09 31 15.7 | – | V | T08 |
| 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 |