| 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 |
|---|---|---|---|---|---|---|
| 2022-04-05 14:21:20 | C | 12 19 31.35 | -24 42 04.9 | – | V | Q62 |
| 2022-04-08 05:00:30 | C | 12 17 33.818 | -23 42 53.64 | – | V | W68 |
| 2022-04-08 05:07:13 | C | 12 17 33.590 | -23 42 47.38 | – | V | W68 |
| 2022-04-08 05:31:34 | C | 12 17 32.758 | -23 42 24.70 | – | V | W68 |
| 2022-04-08 06:13:58 | C | 12 17 31.332 | -23 41 44.77 | – | V | W68 |
| 2022-04-10 08:08:38 | C | 12 16 16.094 | -22 57 01.51 | – | U | F52 |
| 2022-04-10 08:38:01 | C | 12 16 15.229 | -22 56 35.71 | – | U | F52 |
| 2022-04-10 08:52:39 | C | 12 16 14.791 | -22 56 22.83 | – | U | F52 |
| 2022-04-10 11:48:27 | C | 12 16 10.30 | -22 53 26.0 | – | q | E89 |
| 2022-04-10 11:53:55 | C | 12 16 10.18 | -22 53 21.3 | – | q | E89 |
| 2022-04-10 11:57:59 | C | 12 16 10.07 | -22 53 17.7 | – | q | E89 |
| 2022-04-10 12:02:07 | C | 12 16 09.96 | -22 53 13.9 | – | q | E89 |
| 2022-04-12 04:13:55 | C | 12 15 19.486 | -22 18 32.04 | – | V | W68 |
| 2022-04-12 04:35:03 | C | 12 15 18.958 | -22 18 13.72 | – | V | W68 |
| 2022-04-12 04:40:56 | C | 12 15 18.816 | -22 18 08.53 | – | V | W68 |
| 2022-04-12 04:48:18 | C | 12 15 18.634 | -22 18 02.56 | – | V | W68 |
| 2022-04-12 05:04:02 | C | 12 15 19.148 | -22 18 10.01 | – | V | 703 |
| 2022-04-12 05:12:08 | C | 12 15 18.976 | -22 18 03.24 | – | V | 703 |
| 2022-04-12 05:20:14 | C | 12 15 18.770 | -22 17 56.58 | – | V | 703 |
| 2022-04-12 05:28:21 | C | 12 15 18.569 | -22 17 49.45 | – | V | 703 |
| 2022-04-13 05:44:37 | C | 12 14 51.528 | -21 57 07.74 | – | V | W68 |
| 2022-04-13 06:17:48 | C | 12 14 50.815 | -21 56 39.55 | – | V | W68 |
| 2022-04-13 06:23:05 | C | 12 14 50.700 | -21 56 35.16 | – | V | W68 |
| 2022-04-13 07:11:51 | C | 12 14 49.706 | -21 55 53.65 | – | V | W68 |
| 2022-04-14 12:45:12 | C | 12 14 23.01 | -21 31 47.5 | – | q | E89 |
| 2022-04-14 13:00:54 | C | 12 14 22.72 | -21 31 34.9 | – | q | E89 |
| 2022-04-20 05:39:42 | C | 12 13 14.315 | -19 49 57.40 | – | V | 703 |
| 2022-04-20 05:47:54 | C | 12 13 14.228 | -19 49 52.07 | – | V | 703 |
| 2022-04-20 05:56:06 | C | 12 13 14.160 | -19 49 45.88 | – | V | 703 |
| 2022-04-20 06:04:18 | C | 12 13 14.120 | -19 49 40.44 | – | V | 703 |
| 2022-04-23 00:41:53 | C | 12 13 12.49 | -19 05 13.9 | – | V | W94 |
| 2022-04-23 00:50:07 | C | 12 13 12.47 | -19 05 08.8 | – | V | W94 |
| 2022-04-23 00:58:17 | C | 12 13 12.45 | -19 05 03.6 | – | V | W94 |
| 2022-04-24 03:54:24 | C | 12 13 16.145 | -18 48 11.56 | – | V | W68 |
| 2022-04-24 03:58:28 | C | 12 13 16.135 | -18 48 09.14 | – | V | W68 |
| 2022-04-24 04:08:54 | C | 12 13 16.140 | -18 48 02.63 | – | V | W68 |
| 2022-04-24 04:28:00 | C | 12 13 16.130 | -18 47 50.57 | – | V | W68 |
| 2022-04-24 07:11:55 | C | 12 13 16.756 | -18 46 27.37 | – | V | 703 |
| 2022-04-24 07:19:54 | C | 12 13 16.730 | -18 46 22.55 | – | V | 703 |
| 2022-04-24 07:27:52 | C | 12 13 16.727 | -18 46 17.40 | – | V | 703 |
| 2022-04-24 07:35:51 | C | 12 13 16.745 | -18 46 12.47 | – | V | 703 |
| 2022-04-25 03:39:43 | C | 12 13 23.329 | -18 34 06.31 | – | V | G96 |
| 2022-04-25 03:48:00 | C | 12 13 23.336 | -18 34 01.38 | – | V | G96 |
| 2022-04-25 03:56:18 | C | 12 13 23.344 | -18 33 56.41 | – | V | G96 |
| 2022-04-25 04:04:38 | C | 12 13 23.354 | -18 33 51.59 | – | V | G96 |
| 2022-04-25 04:12:55 | C | 12 13 22.675 | -18 33 29.84 | – | V | W68 |
| 2022-04-25 04:18:12 | C | 12 13 22.678 | -18 33 26.78 | – | V | W68 |
| 2022-04-25 04:26:02 | C | 12 13 22.682 | -18 33 22.03 | – | V | W68 |
| 2022-04-25 04:42:26 | C | 12 13 22.711 | -18 33 12.28 | – | V | W68 |
| 2022-04-28 04:01:08 | C | 12 13 55.997 | -17 52 49.91 | – | V | W68 |
| 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 |