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 |
|---|---|---|---|---|---|---|
| 2016-09-30 11:16:59 | C | 00 19 36.62 | +19 13 28.1 | – | L | T05 |
| 2016-09-30 11:21:02 | C | 00 19 36.35 | +19 13 28.3 | – | L | T05 |
| 2016-09-30 11:35:22 | C | 00 19 35.16 | +19 13 29.7 | – | L | T05 |
| 2016-09-30 11:37:58 | C | 00 19 34.95 | +19 13 29.8 | – | L | T05 |
| 2016-10-01 04:40:26 | C | 00 18 19.32 | +19 14 43.1 | – | q | 703 |
| 2016-10-01 04:49:06 | C | 00 18 18.60 | +19 14 43.8 | – | q | 703 |
| 2016-10-01 04:57:45 | C | 00 18 17.88 | +19 14 44.1 | – | q | 703 |
| 2016-10-02 04:18:39 | C | 00 16 30.37 | +19 16 10.1 | – | q | G96 |
| 2016-10-02 04:23:14 | C | 00 16 29.99 | +19 16 10.6 | – | q | G96 |
| 2016-10-02 04:27:48 | C | 00 16 29.62 | +19 16 10.7 | – | q | G96 |
| 2016-10-02 04:32:24 | C | 00 16 29.24 | +19 16 11.1 | – | q | G96 |
| 2016-10-02 19:32:46 | C | 00 15 18.63 | +19 16 47.0 | – | q | Z52 |
| 2016-10-02 20:19:20 | C | 00 15 14.87 | +19 16 49.6 | – | q | Z52 |
| 2016-10-02 21:03:23 | C | 00 15 11.29 | +19 16 51.6 | – | q | Z52 |
| 2016-10-02 23:13:43 | C | 00 15 00.52 | +19 16 58.2 | – | q | Z80 |
| 2016-10-02 23:18:55 | C | 00 15 00.09 | +19 16 58.4 | – | q | Z80 |
| 2016-10-02 23:24:08 | C | 00 14 59.67 | +19 16 58.5 | – | q | Z80 |
| 2016-10-02 23:29:21 | C | 00 14 59.22 | +19 16 58.7 | – | q | Z80 |
| 2016-10-03 18:51:42 | C | 00 13 26.78 | +19 17 32.9 | – | q | Z52 |
| 2016-10-03 19:43:38 | C | 00 13 22.48 | +19 17 34.6 | – | q | Z52 |
| 2016-10-03 20:33:51 | C | 00 13 18.30 | +19 17 36.6 | – | q | Z52 |
| 2016-10-03 20:55:46 | C | 00 13 16.39 | +19 17 39.9 | – | V | 160 |
| 2016-10-03 20:55:46 | C | 00 13 16.39 | +19 17 39.9 | – | q | 160 |
| 2016-10-03 20:57:45 | C | 00 13 16.23 | +19 17 39.8 | – | V | 160 |
| 2016-10-03 20:57:46 | C | 00 13 16.23 | +19 17 40.1 | – | q | 160 |
| 2016-10-03 20:59:46 | C | 00 13 16.05 | +19 17 40.0 | – | V | 160 |
| 2016-10-03 20:59:46 | C | 00 13 16.06 | +19 17 40.2 | – | q | 160 |
| 2016-10-03 21:10:32 | C | 00 13 15.16 | +19 17 39.5 | – | c | A24 |
| 2016-10-03 21:11:34 | C | 00 13 15.07 | +19 17 39.6 | – | c | A24 |
| 2016-10-03 22:14:44 | C | 00 13 09.75 | +19 17 42.0 | – | c | A24 |
| 2016-10-03 22:15:46 | C | 00 13 09.63 | +19 17 41.6 | – | c | A24 |
| 2016-10-04 21:51:14 | C | 00 11 13.49 | +19 17 59.6 | – | c | A24 |
| 2016-10-04 21:52:18 | C | 00 11 13.41 | +19 17 59.5 | – | c | A24 |
| 2016-10-04 22:55:22 | C | 00 11 07.92 | +19 17 59.8 | – | c | A24 |
| 2016-10-04 22:56:24 | C | 00 11 07.83 | +19 17 59.9 | – | c | A24 |
| 2016-10-06 01:57:27 | C | 00 08 51.21 | +19 17 52.5 | – | o | Z22 |
| 2016-10-06 02:12:44 | C | 00 08 49.87 | +19 17 52.1 | – | o | Z22 |
| 2016-10-06 02:23:59 | C | 00 08 48.83 | +19 17 51.7 | – | o | Z22 |
| 2016-10-07 03:41:42 | C | 00 06 39.30 | +19 17 04.7 | – | q | W71 |
| 2016-10-07 03:44:15 | C | 00 06 39.08 | +19 17 04.2 | – | q | W71 |
| 2016-10-07 03:46:27 | C | 00 06 38.91 | +19 17 04.5 | – | q | W71 |
| 2016-10-07 03:48:55 | C | 00 06 38.67 | +19 17 04.4 | – | q | W71 |
| 2016-10-08 06:26:44 | C | 00 04 18.89 | +19 15 50.0 | – | q | G96 |
| 2016-10-08 06:37:48 | C | 00 04 17.85 | +19 15 49.3 | – | q | G96 |
| 2016-10-08 06:47:09 | C | 00 04 16.98 | +19 15 48.6 | – | q | G96 |
| 2016-10-08 06:55:48 | C | 00 04 16.17 | +19 15 48.1 | – | q | G96 |
| 2016-10-08 09:56:00 | C | 00 04 00.20 | +19 15 41.2 | – | L | T05 |
| 2016-10-08 10:27:25 | C | 00 03 57.29 | +19 15 39.0 | – | L | T05 |
| 2016-10-08 10:58:21 | C | 00 03 54.36 | +19 15 36.9 | – | L | T05 |
| 2016-10-08 11:10:31 | C | 00 03 53.22 | +19 15 36.1 | – | L | T05 |
| 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 |