| 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 |
|---|---|---|---|---|---|---|
| 2016-10-24 08:44:19 | C | 23 28 12.42 | +17 54 51.6 | – | L | T05 |
| 2016-10-24 09:07:56 | C | 23 28 10.10 | +17 54 43.3 | – | L | T05 |
| 2016-10-24 09:19:10 | C | 23 28 08.97 | +17 54 39.2 | – | L | T05 |
| 2016-10-25 05:16:08 | C | 23 26 19.01 | +17 47 30.2 | – | q | H45 |
| 2016-10-25 05:17:24 | C | 23 26 18.88 | +17 47 29.8 | – | q | H45 |
| 2016-10-25 05:18:27 | C | 23 26 18.78 | +17 47 29.4 | – | q | H45 |
| 2016-10-25 05:19:25 | C | 23 26 18.68 | +17 47 29.1 | – | q | H45 |
| 2016-10-25 05:20:26 | C | 23 26 18.59 | +17 47 28.7 | – | q | H45 |
| 2016-10-25 05:21:27 | C | 23 26 18.49 | +17 47 28.3 | – | q | H45 |
| 2016-10-27 19:46:49 | C | 23 20 42.85 | +17 24 00.8 | – | V | 160 |
| 2016-10-27 19:46:50 | C | 23 20 42.86 | +17 24 00.8 | – | q | 160 |
| 2016-10-27 19:48:43 | C | 23 20 42.68 | +17 23 59.9 | – | q | 160 |
| 2016-10-27 19:49:04 | C | 23 20 42.64 | +17 24 00.0 | – | V | 160 |
| 2016-10-27 19:51:07 | C | 23 20 42.46 | +17 23 59.4 | – | q | 160 |
| 2016-10-27 19:51:21 | C | 23 20 42.44 | +17 23 59.2 | – | V | 160 |
| 2016-10-28 08:13:25 | C | 23 19 36.88 | +17 19 16.9 | – | L | T05 |
| 2016-10-28 08:41:40 | C | 23 19 34.22 | +17 19 05.4 | – | L | T05 |
| 2016-10-28 08:50:31 | C | 23 19 33.39 | +17 19 01.9 | – | L | T05 |
| 2016-10-28 09:26:12 | C | 23 19 30.04 | +17 18 47.2 | – | L | T05 |
| 2016-10-29 20:47:23 | C | 23 16 28.32 | +17 04 22.8 | – | q | 160 |
| 2016-10-29 20:49:21 | C | 23 16 28.13 | +17 04 22.0 | – | q | 160 |
| 2016-10-29 20:51:18 | C | 23 16 27.96 | +17 04 21.1 | – | q | 160 |
| 2016-10-30 03:12:41 | C | 23 15 56.34 | +17 01 48.6 | – | q | 703 |
| 2016-10-30 03:19:10 | C | 23 15 55.77 | +17 01 46.1 | – | q | 703 |
| 2016-10-30 03:25:39 | C | 23 15 55.16 | +17 01 43.0 | – | q | 703 |
| 2016-10-30 03:32:09 | C | 23 15 54.52 | +17 01 40.9 | – | q | 703 |
| 2016-10-30 21:04:01 | C | 23 14 26.09 | +16 54 17.7 | – | u | 209 |
| 2016-10-30 21:04:38 | C | 23 14 26.05 | +16 54 18.4 | – | q | 160 |
| 2016-10-30 21:06:34 | C | 23 14 25.90 | +16 54 17.5 | – | q | 160 |
| 2016-10-30 21:08:32 | C | 23 14 25.71 | +16 54 16.7 | – | q | 160 |
| 2016-10-30 21:09:49 | C | 23 14 25.61 | +16 54 15.4 | – | u | 209 |
| 2016-10-30 21:15:36 | C | 23 14 25.05 | +16 54 12.6 | – | u | 209 |
| 2016-10-30 21:21:23 | C | 23 14 24.54 | +16 54 10.3 | – | u | 209 |
| 2016-10-30 21:27:09 | C | 23 14 24.03 | +16 54 07.7 | – | u | 209 |
| 2016-10-30 21:32:56 | C | 23 14 23.55 | +16 54 05.4 | – | u | 209 |
| 2016-10-30 21:38:45 | C | 23 14 23.08 | +16 54 03.0 | – | u | 209 |
| 2016-10-30 21:44:32 | C | 23 14 22.53 | +16 54 00.5 | – | u | 209 |
| 2016-10-30 21:50:17 | C | 23 14 22.00 | +16 53 57.8 | – | u | 209 |
| 2016-10-30 21:56:05 | C | 23 14 21.52 | +16 53 55.5 | – | u | 209 |
| 2016-10-30 22:01:52 | C | 23 14 21.04 | +16 53 53.0 | – | u | 209 |
| 2016-10-30 22:07:39 | C | 23 14 20.53 | +16 53 50.5 | – | u | 209 |
| 2016-10-31 04:04:09 | C | 23 13 51.74 | +16 51 27.0 | – | q | G96 |
| 2016-10-31 04:12:22 | C | 23 13 51.01 | +16 51 23.5 | – | q | G96 |
| 2016-10-31 04:20:39 | C | 23 13 50.27 | +16 51 20.0 | – | q | G96 |
| 2016-10-31 04:28:52 | C | 23 13 49.55 | +16 51 16.6 | – | q | G96 |
| 2016-10-31 19:41:29 | C | 23 12 35.25 | +16 44 45.7 | – | q | 160 |
| 2016-10-31 19:43:21 | C | 23 12 35.09 | +16 44 45.0 | – | q | 160 |
| 2016-10-31 19:45:14 | C | 23 12 34.92 | +16 44 44.2 | – | q | 160 |
| 2016-11-01 07:41:53 | C | 23 11 36.82 | +16 39 47.6 | – | L | T05 |
| 2016-11-01 08:10:39 | C | 23 11 34.32 | +16 39 35.1 | – | 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 |