| 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 |
|---|---|---|---|---|---|---|
| 2021-11-03 08:16:01 | C | 23 09 45.29 | +16 34 27.2 | – | V | T08 |
| 2021-11-05 07:51:11 | C | 23 06 11.35 | +16 13 22.9 | – | V | T05 |
| 2021-11-05 07:56:30 | C | 23 06 10.93 | +16 13 20.5 | – | V | T05 |
| 2021-11-05 08:16:37 | C | 23 06 09.33 | +16 13 11.1 | – | V | T05 |
| 2021-11-05 08:32:06 | C | 23 06 08.10 | +16 13 04.2 | – | V | T05 |
| 2021-11-07 02:46:16 | C | 23 03 10.31 | +15 54 02.4 | – | V | 703 |
| 2021-11-07 02:54:32 | C | 23 03 09.69 | +15 53 58.8 | – | V | 703 |
| 2021-11-07 03:02:48 | C | 23 03 09.07 | +15 53 55.1 | – | V | 703 |
| 2021-11-07 03:11:03 | C | 23 03 08.45 | +15 53 51.4 | – | V | 703 |
| 2021-11-07 06:24:32 | C | 23 02 53.79 | +15 52 19.7 | – | q | H45 |
| 2021-11-07 06:24:39 | C | 23 02 55.11 | +15 52 30.1 | – | V | T08 |
| 2021-11-07 06:25:58 | C | 23 02 53.70 | +15 52 18.8 | – | q | H45 |
| 2021-11-07 06:27:01 | C | 23 02 53.61 | +15 52 18.2 | – | q | H45 |
| 2021-11-07 06:38:57 | C | 23 02 54.03 | +15 52 23.7 | – | V | T08 |
| 2021-11-07 06:52:36 | C | 23 02 53.00 | +15 52 17.5 | – | V | T08 |
| 2021-11-07 06:59:41 | C | 23 02 52.45 | +15 52 14.2 | – | V | T08 |
| 2021-11-07 23:36:24 | C | 23 01 46.45 | +15 44 37.2 | – | Z | W33 |
| 2021-11-08 00:05:40 | C | 23 01 44.34 | +15 44 24.5 | – | Z | W33 |
| 2021-11-08 00:56:37 | C | 23 01 40.62 | +15 44 01.7 | – | Z | W33 |
| 2021-11-08 03:11:18 | C | 23 01 31.57 | +15 43 01.8 | – | V | G96 |
| 2021-11-08 03:19:30 | C | 23 01 30.97 | +15 42 58.2 | – | V | G96 |
| 2021-11-08 03:27:41 | C | 23 01 30.38 | +15 42 54.4 | – | V | G96 |
| 2021-11-08 03:35:53 | C | 23 01 29.77 | +15 42 50.7 | – | V | G96 |
| 2021-11-08 18:53:29 | C | 23 00 30.41 | +15 35 52.7 | – | q | 006 |
| 2021-11-08 18:56:11 | C | 23 00 30.22 | +15 35 51.4 | – | q | 006 |
| 2021-11-08 19:00:41 | C | 23 00 29.94 | +15 35 49.2 | – | q | 006 |
| 2021-11-08 19:04:17 | C | 23 00 29.63 | +15 35 47.4 | – | q | 006 |
| 2021-11-08 19:07:53 | C | 23 00 29.35 | +15 35 46.4 | – | q | 006 |
| 2021-11-08 19:12:24 | C | 23 00 29.06 | +15 35 43.9 | – | q | 006 |
| 2021-11-08 19:15:05 | C | 23 00 28.83 | +15 35 43.3 | – | q | 006 |
| 2021-11-08 19:18:41 | C | 23 00 28.59 | +15 35 40.9 | – | q | 006 |
| 2021-11-09 06:50:04 | C | 22 59 44.11 | +15 30 38.7 | – | V | T05 |
| 2021-11-09 06:54:12 | C | 22 59 43.82 | +15 30 36.8 | – | V | T05 |
| 2021-11-09 07:03:33 | C | 22 59 43.16 | +15 30 32.5 | – | V | T05 |
| 2021-11-09 07:18:42 | C | 22 59 42.09 | +15 30 25.6 | – | V | T05 |
| 2021-11-10 17:17:40 | C | 22 57 37.62 | +15 14 55.5 | – | V | 089 |
| 2021-11-10 17:27:42 | C | 22 57 36.96 | +15 14 50.8 | – | V | 089 |
| 2021-11-10 17:37:45 | C | 22 57 36.31 | +15 14 46.2 | – | V | 089 |
| 2021-11-10 17:47:42 | C | 22 57 35.65 | +15 14 41.7 | – | V | 089 |
| 2021-11-10 18:26:59 | C | 22 57 33.57 | +15 14 23.0 | – | V | K74 |
| 2021-11-10 18:29:13 | C | 22 57 33.44 | +15 14 22.1 | – | V | K74 |
| 2021-11-10 18:31:26 | C | 22 57 33.28 | +15 14 20.9 | – | V | K74 |
| 2021-11-10 18:33:39 | C | 22 57 33.15 | +15 14 20.0 | – | V | K74 |
| 2021-11-10 18:35:52 | C | 22 57 32.99 | +15 14 19.0 | – | V | K74 |
| 2021-11-11 07:52:29 | C | 22 56 45.24 | +15 08 34.1 | – | V | T08 |
| 2021-11-11 08:29:53 | C | 22 56 42.83 | +15 08 16.7 | – | V | T08 |
| 2021-11-11 08:34:32 | C | 22 56 42.53 | +15 08 14.6 | – | V | T08 |
| 2021-11-11 08:58:35 | C | 22 56 41.00 | +15 08 03.3 | – | V | T08 |
| 2021-11-12 18:32:30 | C | 22 54 48.78 | +14 52 52.5 | – | V | 089 |
| 2021-11-12 18:35:54 | C | 22 54 48.57 | +14 52 51.0 | – | V | 089 |
| 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 |