| 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 |
|---|---|---|---|---|---|---|
| 2022-04-28 04:06:35 | C | 12 13 56.030 | -17 52 47.10 | – | V | W68 |
| 2022-04-28 04:15:59 | C | 12 13 56.090 | -17 52 41.74 | – | V | W68 |
| 2022-04-28 04:31:55 | C | 12 13 56.196 | -17 52 33.06 | – | V | W68 |
| 2022-04-29 04:20:56 | C | 12 14 11.676 | -17 39 57.85 | – | V | W68 |
| 2022-04-29 04:25:22 | C | 12 14 11.722 | -17 39 55.40 | – | V | W68 |
| 2022-04-29 04:35:10 | C | 12 14 11.786 | -17 39 50.26 | – | V | W68 |
| 2022-04-29 04:50:48 | C | 12 14 11.914 | -17 39 42.08 | – | V | W68 |
| 2022-05-02 06:54:44 | C | 12 15 13.514 | -17 03 35.96 | – | V | 703 |
| 2022-05-02 07:09:08 | C | 12 15 13.687 | -17 03 29.48 | – | V | 703 |
| 2022-05-02 07:16:20 | C | 12 15 13.712 | -17 03 25.92 | – | V | 703 |
| 2022-05-03 03:49:22 | C | 12 15 34.382 | -16 53 50.64 | – | V | W68 |
| 2022-05-03 03:55:25 | C | 12 15 34.471 | -16 53 47.90 | – | V | W68 |
| 2022-05-03 04:05:42 | C | 12 15 34.596 | -16 53 43.26 | – | V | W68 |
| 2022-05-03 04:21:53 | C | 12 15 34.838 | -16 53 35.88 | – | V | W68 |
| 2022-05-05 05:50:12 | C | 12 16 30.191 | -16 32 37.32 | – | V | G96 |
| 2022-05-05 05:57:44 | C | 12 16 30.320 | -16 32 34.12 | – | V | G96 |
| 2022-05-05 06:05:14 | C | 12 16 30.436 | -16 32 31.24 | – | V | G96 |
| 2022-05-05 06:12:44 | C | 12 16 30.572 | -16 32 28.14 | – | V | G96 |
| 2022-05-06 03:47:41 | C | 12 16 57.055 | -16 23 32.28 | – | V | W68 |
| 2022-05-06 03:54:03 | C | 12 16 57.149 | -16 23 29.44 | – | V | W68 |
| 2022-05-06 04:04:04 | C | 12 16 57.324 | -16 23 25.76 | – | V | W68 |
| 2022-05-06 04:24:24 | C | 12 16 57.696 | -16 23 17.41 | – | V | W68 |
| 2022-05-07 02:46:59 | C | 12 17 27.082 | -16 14 38.15 | – | V | W68 |
| 2022-05-07 02:54:54 | C | 12 17 27.247 | -16 14 35.23 | – | V | W68 |
| 2022-05-07 02:59:49 | C | 12 17 27.338 | -16 14 33.36 | – | V | W68 |
| 2022-05-07 03:16:49 | C | 12 17 27.650 | -16 14 26.77 | – | V | W68 |
| 2022-05-10 02:25:52 | C | 12 19 10.188 | -15 49 13.04 | – | V | W68 |
| 2022-05-10 02:31:09 | C | 12 19 10.284 | -15 49 11.42 | – | V | W68 |
| 2022-05-10 02:46:36 | C | 12 19 10.646 | -15 49 06.10 | – | V | W68 |
| 2022-05-10 02:55:19 | C | 12 19 10.846 | -15 49 03.25 | – | V | W68 |
| 2022-05-10 05:18:41 | C | 12 19 14.567 | -15 48 28.73 | – | V | 703 |
| 2022-05-10 05:26:29 | C | 12 19 14.786 | -15 48 25.52 | – | V | 703 |
| 2022-05-10 05:34:16 | C | 12 19 14.923 | -15 48 23.80 | – | V | 703 |
| 2022-05-10 05:42:05 | C | 12 19 15.053 | -15 48 20.41 | – | V | 703 |
| 2022-05-16 02:51:14 | C | 12 23 19.370 | -15 07 58.69 | – | V | W68 |
| 2022-05-16 02:55:10 | C | 12 23 19.476 | -15 07 57.72 | – | V | W68 |
| 2022-05-16 03:02:18 | C | 12 23 19.687 | -15 07 56.06 | – | V | W68 |
| 2022-05-16 03:20:30 | C | 12 23 20.201 | -15 07 51.53 | – | V | W68 |
| 2022-05-23 05:41:26 | C | 12 29 14.863 | -14 34 38.82 | – | V | 703 |
| 2022-05-23 06:06:04 | C | 12 29 15.824 | -14 34 35.36 | – | V | 703 |
| 2022-05-26 02:37:39 | C | 12 31 54.622 | -14 25 05.95 | – | V | W68 |
| 2022-05-26 02:42:10 | C | 12 31 54.794 | -14 25 05.23 | – | V | W68 |
| 2022-05-26 02:52:00 | C | 12 31 55.142 | -14 25 03.83 | – | V | W68 |
| 2022-05-26 03:13:52 | C | 12 31 55.987 | -14 25 01.49 | – | V | W68 |
| 2022-05-27 02:27:02 | C | 12 32 51.778 | -14 22 21.90 | – | V | W68 |
| 2022-05-27 02:32:42 | C | 12 32 51.994 | -14 22 21.61 | – | V | W68 |
| 2022-05-27 02:42:23 | C | 12 32 52.356 | -14 22 20.35 | – | V | W68 |
| 2022-05-27 03:00:43 | C | 12 32 53.057 | -14 22 17.90 | – | V | W68 |
| 2022-05-27 05:42:05 | C | 12 32 59.478 | -14 22 10.56 | – | V | 703 |
| 2022-05-27 05:50:13 | C | 12 32 59.910 | -14 22 09.05 | – | V | 703 |
| 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 |