| 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 |
|---|---|---|---|---|---|---|
| 2002-05-09 04:58:33 | C | 12 28 32.03 | -17 01 29.2 | 17.6 | c | 704 |
| 2002-05-09 04:58:42 | C | 12 28 32.06 | -17 01 29.3 | 18.1 | c | 704 |
| 2002-05-09 05:16:13 | C | 12 28 32.30 | -17 01 21.9 | 17.8 | c | 704 |
| 2002-05-16 05:25:18 | C | 12 31 57.43 | -16 04 24.7 | – | o | 644 |
| 2002-05-16 06:01:03 | C | 12 31 58.21 | -16 04 14.4 | – | o | 644 |
| 2002-05-16 06:30:28 | C | 12 31 58.86 | -16 04 06.0 | – | o | 644 |
| 2002-05-29 06:39:09 | C | 12 41 42.24 | -15 02 14.1 | 19.7 | c | 608 |
| 2002-05-29 06:54:44 | C | 12 41 42.77 | -15 02 12.6 | 19.7 | c | 608 |
| 2002-05-29 07:09:47 | C | 12 41 43.25 | -15 02 10.5 | 19.8 | c | 608 |
| 2002-06-08 06:40:30 | C | 12 51 22.45 | -14 45 19.4 | – | o | 608 |
| 2002-06-08 06:55:58 | C | 12 51 23.18 | -14 45 19.2 | – | o | 608 |
| 2002-06-08 07:11:26 | C | 12 51 23.75 | -14 45 18.9 | – | o | 608 |
| 2006-08-25 08:34:48 | C | 00 52 44.15 | +15 31 05.6 | 18.3 | c | 704 |
| 2006-08-25 08:48:44 | C | 00 52 44.15 | +15 31 11.3 | 18.7 | c | 704 |
| 2006-08-25 09:02:34 | C | 00 52 44.20 | +15 31 17.0 | 18.5 | c | 704 |
| 2006-08-25 09:16:27 | C | 00 52 44.26 | +15 31 23.0 | 18.7 | c | 704 |
| 2006-08-25 09:30:16 | C | 00 52 44.25 | +15 31 28.6 | 18.6 | c | 704 |
| 2006-08-29 08:01:26 | C | 00 52 55.78 | +16 09 41.5 | – | o | 699 |
| 2006-08-29 08:38:18 | C | 00 52 55.70 | +16 09 55.8 | – | o | 699 |
| 2006-08-29 09:15:06 | C | 00 52 55.53 | +16 10 10.7 | – | o | 699 |
| 2006-08-29 09:51:58 | C | 00 52 55.40 | +16 10 25.4 | – | o | 699 |
| 2006-08-29 22:11:50 | C | 00 52 54.47 | +16 15 16.2 | 17.8 | r | 084 |
| 2006-08-29 22:17:00 | C | 00 52 54.40 | +16 15 17.5 | 18.6 | r | 084 |
| 2006-09-01 07:14:48 | C | 00 52 40.80 | +16 37 48.1 | 17.6 | c | 704 |
| 2006-09-01 07:30:57 | C | 00 52 40.70 | +16 37 54.6 | 18.4 | c | 704 |
| 2006-09-01 07:46:42 | C | 00 52 40.53 | +16 38 01.2 | 18.6 | c | 704 |
| 2006-09-10 21:06:46 | C | 00 49 15.48 | +18 02 58.2 | 17.4 | r | 084 |
| 2006-09-11 21:09:08 | C | 00 48 38.75 | +18 11 15.1 | 18.2 | r | 084 |
| 2006-09-12 20:47:54 | C | 00 47 59.62 | +18 19 14.9 | 18.0 | r | 084 |
| 2006-09-12 20:53:04 | C | 00 47 59.48 | +18 19 16.7 | 18.2 | r | 084 |
| 2006-09-13 09:30:03 | C | 00 47 36.62 | +18 23 34.1 | – | r | H45 |
| 2006-09-13 09:31:27 | C | 00 47 36.58 | +18 23 34.4 | – | r | H45 |
| 2006-09-13 09:32:53 | C | 00 47 36.53 | +18 23 34.9 | – | r | H45 |
| 2006-09-13 09:35:00 | C | 00 47 36.47 | +18 23 35.6 | – | r | H45 |
| 2006-09-13 09:35:58 | C | 00 47 36.41 | +18 23 36.0 | – | r | H45 |
| 2006-09-13 21:07:37 | C | 00 47 16.25 | +18 27 20.8 | – | r | 113 |
| 2006-09-13 21:12:03 | C | 00 47 16.10 | +18 27 21.9 | – | r | 113 |
| 2006-09-13 21:16:25 | C | 00 47 15.95 | +18 27 23.2 | – | r | 113 |
| 2006-09-14 10:47:34 | C | 00 46 49.49 | +18 31 52.1 | – | o | 644 |
| 2006-09-14 10:49:20 | C | 00 46 49.43 | +18 31 52.8 | – | o | 644 |
| 2006-09-14 11:04:52 | C | 00 46 48.87 | +18 31 57.5 | – | o | 644 |
| 2006-09-14 11:09:04 | C | 00 46 48.73 | +18 31 58.9 | – | o | 644 |
| 2006-09-14 11:20:53 | C | 00 46 48.31 | +18 32 02.6 | – | o | 644 |
| 2006-09-14 11:24:24 | C | 00 46 48.19 | +18 32 03.6 | – | o | 644 |
| 2006-09-15 23:38:01 | C | 00 45 34.59 | +18 43 29.6 | 17.7 | r | 084 |
| 2006-09-15 23:43:11 | C | 00 45 34.40 | +18 43 31.1 | 17.7 | r | 084 |
| 2006-09-16 07:24:37 | C | 00 45 18.10 | +18 46 01.0 | – | r | 703 |
| 2006-09-16 07:34:02 | C | 00 45 17.67 | +18 46 03.3 | – | r | 703 |
| 2006-09-16 07:43:21 | C | 00 45 17.28 | +18 46 06.7 | – | r | 703 |
| 2006-09-16 07:52:43 | C | 00 45 16.92 | +18 46 09.5 | – | r | 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 |