| 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 |
|---|---|---|---|---|---|---|
| 2016-12-31 17:41:22 | C | 22 28 22.88 | +04 25 23.5 | – | q | 160 |
| 2016-12-31 17:43:24 | C | 22 28 22.76 | +04 25 21.0 | – | q | 160 |
| 2017-01-03 17:26:52 | C | 22 23 51.85 | +02 37 02.4 | – | q | 160 |
| 2017-01-03 17:28:48 | C | 22 23 51.72 | +02 36 59.2 | – | q | 160 |
| 2017-01-03 17:30:45 | C | 22 23 51.57 | +02 36 56.0 | – | q | 160 |
| 2017-01-05 00:43:57 | C | 22 21 19.38 | +01 40 22.6 | – | q | H45 |
| 2017-01-05 00:45:20 | C | 22 21 19.27 | +01 40 19.7 | – | q | H45 |
| 2017-01-05 00:46:43 | C | 22 21 19.15 | +01 40 17.7 | – | q | H45 |
| 2017-01-05 00:48:15 | C | 22 21 19.01 | +01 40 14.7 | – | q | H45 |
| 2017-01-05 00:49:41 | C | 22 21 18.89 | +01 40 12.0 | – | q | H45 |
| 2017-01-05 00:51:09 | C | 22 21 18.70 | +01 40 08.6 | – | q | H45 |
| 2017-01-06 17:51:23 | C | 22 17 21.50 | +00 14 46.0 | – | q | 160 |
| 2017-01-06 17:53:19 | C | 22 17 21.29 | +00 14 41.6 | – | q | 160 |
| 2017-01-06 17:55:16 | C | 22 17 21.07 | +00 14 37.4 | – | q | 160 |
| 2017-02-12 09:38:45 | S | 14 50 34.949 | -46 53 06.86 | – | L | C51 |
| 2017-02-12 11:13:00 | S | 14 50 03.744 | -46 51 24.44 | – | L | C51 |
| 2017-02-12 12:47:15 | S | 14 49 32.690 | -46 49 41.81 | – | L | C51 |
| 2017-02-12 14:21:41 | S | 14 49 01.805 | -46 47 57.98 | – | L | C51 |
| 2017-02-13 14:54:06 | C | 14 41 23.247 | -46 22 21.87 | – | L | F51 |
| 2017-02-13 15:06:11 | C | 14 41 19.241 | -46 22 08.98 | – | L | F51 |
| 2017-02-13 15:18:18 | C | 14 41 15.226 | -46 21 55.90 | – | L | F51 |
| 2017-02-14 07:05:14 | C | 14 36 38.97 | -46 03 54.2 | – | r | Y00 |
| 2017-02-14 07:07:46 | C | 14 36 38.18 | -46 03 51.3 | – | r | Y00 |
| 2017-02-14 07:09:21 | C | 14 36 37.72 | -46 03 48.7 | – | r | Y00 |
| 2017-02-23 14:42:43 | C | 13 48 37.80 | -42 05 39.0 | – | q | Q60 |
| 2017-02-23 14:51:45 | C | 13 48 36.15 | -42 05 30.6 | – | q | Q60 |
| 2017-02-23 15:00:50 | C | 13 48 34.52 | -42 05 22.2 | – | q | Q60 |
| 2017-02-23 17:36:10 | C | 13 48 05.89 | -42 02 47.1 | – | q | Q68 |
| 2017-02-23 18:05:45 | C | 13 48 00.44 | -42 02 16.2 | – | q | Q68 |
| 2017-02-23 18:35:21 | C | 13 47 55.01 | -42 01 45.0 | – | q | Q68 |
| 2017-02-23 18:55:22 | C | 13 47 51.36 | -42 01 23.5 | – | q | Q68 |
| 2017-02-27 19:43:16 | C | 13 33 11.61 | -40 21 37.6 | – | o | K95 |
| 2017-02-27 19:47:08 | C | 13 33 11.06 | -40 21 34.2 | – | o | K95 |
| 2017-02-27 20:07:03 | C | 13 33 08.21 | -40 21 16.2 | – | o | K95 |
| 2017-03-02 22:25:01 | C | 13 23 07.49 | -39 04 49.6 | – | o | K95 |
| 2017-03-02 22:28:37 | C | 13 23 07.04 | -39 04 46.3 | – | o | K95 |
| 2017-03-02 22:49:30 | C | 13 23 04.09 | -39 04 25.2 | – | o | K95 |
| 2017-03-05 15:53:59 | C | 13 15 03.00 | -37 56 22.2 | – | q | Q60 |
| 2017-03-05 16:03:14 | C | 13 15 01.75 | -37 56 12.5 | – | q | Q60 |
| 2017-03-05 16:12:31 | C | 13 15 00.52 | -37 56 02.7 | – | q | Q60 |
| 2017-03-07 13:33:25 | C | 13 09 47.30 | -37 08 29.4 | – | L | T05 |
| 2017-03-07 13:55:20 | C | 13 09 44.54 | -37 08 05.3 | – | L | T05 |
| 2017-03-07 14:17:15 | C | 13 09 41.79 | -37 07 41.0 | – | L | T05 |
| 2017-03-07 14:39:40 | C | 13 09 38.99 | -37 07 15.9 | – | L | T05 |
| 2017-03-09 07:42:35 | C | 13 05 10.66 | -36 22 49.2 | – | r | Y00 |
| 2017-03-09 07:44:43 | C | 13 05 10.34 | -36 22 48.0 | – | r | Y00 |
| 2017-03-09 07:47:24 | C | 13 05 10.22 | -36 22 43.9 | – | r | Y00 |
| 2017-03-19 12:26:47 | C | 12 42 42.03 | -31 54 35.6 | – | L | T05 |
| 2017-03-19 12:47:45 | C | 12 42 40.17 | -31 54 11.6 | – | L | T05 |
| 2017-03-19 13:07:59 | C | 12 42 38.40 | -31 53 48.6 | – | 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 |