IAA Minor Planet Database| 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 |
|---|---|---|---|---|---|---|
| 1992-04-10 14:46:59 | – | 12 59 35.92 | -26 02 18.8 | – | – | 413 |
| 1992-04-11 14:58:24 | – | 12 58 13.05 | -25 41 58.9 | – | – | 413 |
| 1992-04-11 17:34:02 | – | 12 58 03.75 | -25 39 45.5 | – | – | 413 |
| 1992-04-22 13:08:24 | C | 12 47 11.76 | -22 16 05.7 | – | – | 413 |
| 1992-04-22 13:13:15 | C | 12 47 11.60 | -22 16 02.0 | – | – | 413 |
| 1992-04-30 02:19:20 | C | 12 43 30.50 | -20 16 55.9 | – | z | 801 |
| 1992-04-30 02:35:50 | C | 12 43 30.47 | -20 16 48.3 | – | z | 801 |
| 1992-05-24 13:35:53 | C | 12 48 31.97 | -16 22 29.4 | – | – | 413 |
| 1992-05-24 13:38:38 | C | 12 48 32.04 | -16 22 28.8 | – | – | 413 |
| 1993-08-24 14:29:44 | C | 19 55 11.41 | -18 38 42.6 | – | – | 413 |
| 1993-08-24 14:36:33 | C | 19 55 11.11 | -18 38 42.4 | – | – | 413 |
| 1993-08-25 16:02:33 | C | 19 54 08.99 | -18 40 36.2 | – | – | 413 |
| 1993-08-25 16:09:45 | C | 19 54 08.68 | -18 40 36.7 | – | – | 413 |
| 1996-07-19 18:34:43 | C | 00 35 34.17 | +09 45 00.9 | – | – | 413 |
| 1996-07-19 18:40:56 | C | 00 35 34.40 | +09 45 03.3 | – | – | 413 |
| 1996-07-25 10:52:05 | C | 00 40 57.57 | +10 47 13.6 | – | z | 696 |
| 1996-07-25 11:06:25 | C | 00 40 58.18 | +10 47 19.3 | – | z | 696 |
| 1996-08-08 11:08:00 | C | 00 52 14.70 | +13 20 51.6 | – | c | 608 |
| 1996-08-08 12:20:24 | C | 00 52 16.57 | +13 21 24.9 | – | c | 608 |
| 1996-08-09 11:34:28 | C | 00 52 55.62 | +13 31 59.8 | – | c | 608 |
| 1996-08-09 12:35:46 | C | 00 52 57.14 | +13 32 28.9 | – | c | 608 |
| 1996-08-22 10:29:02 | C | 00 59 28.52 | +15 52 43.0 | – | i | 711 |
| 1996-08-22 10:44:29 | C | 00 59 28.71 | +15 52 49.8 | – | i | 711 |
| 1996-08-23 10:08:43 | C | 00 59 47.53 | +16 03 16.4 | – | z | 658 |
| 1996-08-23 10:13:35 | C | 00 59 47.58 | +16 03 18.3 | – | z | 658 |
| 1996-08-23 10:22:42 | C | 00 59 47.68 | +16 03 22.5 | – | z | 658 |
| 1996-09-18 17:41:45 | C | 00 54 14.03 | +20 28 45.2 | – | z | 360 |
| 1996-09-18 17:47:15 | C | 00 54 13.84 | +20 28 47.3 | – | z | 360 |
| 1996-09-18 17:52:29 | C | 00 54 13.62 | +20 28 49.0 | – | z | 360 |
| 1996-09-21 07:49:18 | C | 00 51 51.80 | +20 51 02.2 | – | i | 711 |
| 1996-09-21 07:59:14 | C | 00 51 51.35 | +20 51 05.7 | – | i | 711 |
| 1996-09-21 08:58:44 | C | 00 51 48.91 | +20 51 22.0 | – | z | 658 |
| 1996-09-21 09:03:36 | C | 00 51 48.69 | +20 51 23.7 | – | z | 658 |
| 1996-09-21 09:13:37 | C | 00 51 48.25 | +20 51 27.2 | – | z | 658 |
| 1996-09-22 07:38:02 | C | 00 50 51.07 | +20 59 14.9 | – | i | 711 |
| 1996-09-22 07:48:19 | C | 00 50 50.57 | +20 59 18.5 | – | i | 711 |
| 1996-09-30 07:25:00 | C | 00 40 34.60 | +21 57 20.2 | – | c | 608 |
| 1996-09-30 08:22:47 | C | 00 40 30.67 | +21 57 36.4 | – | c | 608 |
| 1996-10-01 08:02:55 | C | 00 38 58.34 | +22 03 32.9 | – | c | 608 |
| 1996-10-01 09:21:00 | C | 00 38 52.77 | +22 03 53.0 | – | c | 608 |
| 1996-10-03 23:23:23 | C | 00 34 32.82 | +22 17 45.6 | – | z | 557 |
| 1996-10-04 00:16:13 | C | 00 34 28.77 | +22 17 56.1 | – | z | 557 |
| 1996-10-04 00:58:58 | C | 00 34 25.50 | +22 18 04.5 | – | z | 557 |
| 1996-10-04 15:08:00 | C | 00 33 23.25 | +22 21 01.7 | – | z | 360 |
| 1996-10-04 15:13:59 | C | 00 33 22.77 | +22 21 03.0 | – | z | 360 |
| 1996-10-04 15:18:44 | C | 00 33 22.39 | +22 21 03.9 | – | z | 360 |
| 1996-10-08 19:16:02 | C | 00 25 26.93 | +22 37 15.2 | – | z | 540 |
| 1996-10-08 19:21:19 | C | 00 25 26.48 | +22 37 16.3 | – | z | 540 |
| 1996-10-08 19:26:30 | C | 00 25 26.00 | +22 37 17.1 | – | z | 540 |
| 1996-10-10 03:43:37 | C | 00 22 39.58 | +22 41 01.5 | – | z | 801 |
| 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 |