| 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 |
|---|---|---|---|---|---|---|
| 2021-12-16 05:12:41 | C | 22 37 25.47 | +09 31 12.3 | – | V | T08 |
| 2021-12-16 05:30:37 | C | 22 37 25.19 | +09 31 03.3 | – | V | T08 |
| 2021-12-16 16:56:51 | C | 22 37 22.32 | +09 25 23.3 | – | X | C95 |
| 2021-12-16 17:04:40 | C | 22 37 22.21 | +09 25 20.0 | – | X | C95 |
| 2021-12-20 17:55:16 | C | 22 36 32.66 | +08 33 52.9 | – | X | K87 |
| 2021-12-20 17:58:28 | C | 22 36 32.59 | +08 33 50.9 | – | X | K87 |
| 2021-12-20 18:01:37 | C | 22 36 32.53 | +08 33 48.9 | – | X | K87 |
| 2021-12-23 02:27:24 | C | 22 35 46.17 | +07 58 04.9 | – | V | 703 |
| 2021-12-23 02:35:35 | C | 22 35 46.04 | +07 57 59.5 | – | V | 703 |
| 2021-12-23 03:13:42 | C | 22 35 45.07 | +07 57 32.5 | – | V | 703 |
| 2021-12-23 03:21:52 | C | 22 35 44.88 | +07 57 26.7 | – | V | 703 |
| 2021-12-30 10:37:35 | C | 22 30 50.61 | +05 19 16.6 | – | V | D29 |
| 2021-12-30 10:57:57 | C | 22 30 49.51 | +05 18 52.4 | – | V | D29 |
| 2021-12-30 11:18:19 | C | 22 30 48.43 | +05 18 28.1 | – | V | D29 |
| 2022-01-05 01:39:51 | C | 22 22 26.00 | +01 56 19.2 | – | V | 703 |
| 2022-01-05 01:48:08 | C | 22 22 25.18 | +01 56 03.1 | – | V | 703 |
| 2022-01-05 01:56:25 | C | 22 22 24.41 | +01 55 47.7 | – | V | 703 |
| 2022-01-05 02:04:43 | C | 22 22 23.61 | +01 55 32.1 | – | V | 703 |
| 2022-02-12 17:50:40 | S | 14 48 04.450 | -46 51 33.08 | – | L | C51 |
| 2022-02-12 19:24:44 | S | 14 47 33.718 | -46 49 48.14 | – | L | C51 |
| 2022-02-12 20:58:48 | S | 14 47 03.115 | -46 48 03.10 | – | L | C51 |
| 2022-02-12 22:32:52 | S | 14 46 32.698 | -46 46 17.94 | – | L | C51 |
| 2022-02-13 01:41:00 | S | 14 45 32.316 | -46 42 47.56 | – | L | C51 |
| 2022-02-18 03:05:32 | C | 14 13 28.74 | -44 27 46.7 | – | V | W68 |
| 2022-02-18 03:37:32 | C | 14 13 21.59 | -44 27 17.5 | – | V | W68 |
| 2022-02-18 04:10:19 | C | 14 13 14.18 | -44 26 47.8 | – | V | W68 |
| 2022-02-18 04:34:05 | C | 14 13 08.73 | -44 26 26.0 | – | V | W68 |
| 2022-02-19 05:58:25 | C | 14 07 41.81 | -43 59 12.5 | – | V | W68 |
| 2022-02-19 06:32:00 | C | 14 07 34.28 | -43 58 40.2 | – | V | W68 |
| 2022-02-19 07:17:00 | C | 14 07 24.07 | -43 57 55.7 | – | V | W68 |
| 2022-02-19 07:24:30 | C | 14 07 22.38 | -43 57 48.2 | – | V | W68 |
| 2022-02-23 08:27:22 | C | 13 49 20.98 | -42 15 37.2 | – | V | W68 |
| 2022-02-23 08:32:37 | C | 13 49 20.00 | -42 15 31.7 | – | V | W68 |
| 2022-02-23 09:25:50 | C | 13 49 10.02 | -42 14 35.2 | – | V | W68 |
| 2022-02-23 09:40:40 | C | 13 49 07.27 | -42 14 19.1 | – | V | W68 |
| 2022-02-26 06:28:33 | C | 13 38 19.74 | -41 03 24.7 | – | V | W68 |
| 2022-02-26 06:32:33 | C | 13 38 19.07 | -41 03 20.8 | – | V | W68 |
| 2022-02-26 06:40:26 | C | 13 38 17.77 | -41 03 13.1 | – | V | W68 |
| 2022-02-26 06:54:28 | C | 13 38 15.43 | -41 02 59.2 | – | V | W68 |
| 2022-02-28 05:32:34 | C | 13 31 32.58 | -40 15 15.3 | – | q | Y00 |
| 2022-02-28 05:34:47 | C | 13 31 32.10 | -40 15 11.7 | – | q | Y00 |
| 2022-02-28 05:38:02 | C | 13 31 31.57 | -40 15 08.8 | – | q | Y00 |
| 2022-03-02 05:18:59 | C | 13 25 06.51 | -39 25 58.5 | – | q | Y00 |
| 2022-03-02 05:21:14 | C | 13 25 06.05 | -39 25 55.5 | – | q | Y00 |
| 2022-03-02 05:24:02 | C | 13 25 05.63 | -39 25 52.2 | – | q | Y00 |
| 2022-03-07 05:18:15 | C | 13 10 33.93 | -37 19 58.1 | – | V | W68 |
| 2022-03-07 05:23:53 | C | 13 10 33.22 | -37 19 52.3 | – | V | W68 |
| 2022-03-07 05:31:02 | C | 13 10 32.32 | -37 19 45.0 | – | V | W68 |
| 2022-03-07 05:55:16 | C | 13 10 29.26 | -37 19 20.0 | – | V | W68 |
| 2022-03-08 04:09:26 | C | 13 08 01.07 | -36 55 42.7 | – | q | X74 |
| 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 |