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 |
|---|---|---|---|---|---|---|
| 2021-10-26 20:06:36 | C | 23 24 56.08 | +17 48 00.4 | – | q | 006 |
| 2021-10-26 20:09:48 | C | 23 24 55.79 | +17 47 59.0 | – | q | 006 |
| 2021-10-26 20:13:00 | C | 23 24 55.50 | +17 47 57.6 | – | q | 006 |
| 2021-10-26 20:16:12 | C | 23 24 55.18 | +17 47 56.4 | – | q | 006 |
| 2021-10-26 20:20:12 | C | 23 24 54.80 | +17 47 55.2 | – | q | 006 |
| 2021-10-26 20:22:36 | C | 23 24 54.58 | +17 47 54.4 | – | q | 006 |
| 2021-10-27 05:21:42 | C | 23 24 05.61 | +17 44 36.2 | – | V | 703 |
| 2021-10-27 05:29:28 | C | 23 24 04.86 | +17 44 33.2 | – | V | 703 |
| 2021-10-27 05:37:11 | C | 23 24 04.14 | +17 44 30.4 | – | V | 703 |
| 2021-10-27 05:44:48 | C | 23 24 03.41 | +17 44 27.4 | – | V | 703 |
| 2021-10-27 20:56:49 | C | 23 22 42.43 | +17 38 36.2 | – | V | B67 |
| 2021-10-27 21:03:35 | C | 23 22 41.79 | +17 38 33.7 | – | V | B67 |
| 2021-10-27 21:09:56 | C | 23 22 41.20 | +17 38 31.1 | – | V | B67 |
| 2021-10-28 08:26:10 | C | 23 21 41.24 | +17 34 20.5 | – | V | T05 |
| 2021-10-28 08:30:47 | C | 23 21 40.80 | +17 34 18.7 | – | V | T05 |
| 2021-10-28 08:39:24 | C | 23 21 39.99 | +17 34 15.3 | – | V | T05 |
| 2021-10-28 08:54:38 | C | 23 21 38.54 | +17 34 09.0 | – | V | T05 |
| 2021-10-28 20:04:11 | C | 23 20 40.53 | +17 29 38.2 | – | a | 233 |
| 2021-10-28 20:10:16 | C | 23 20 39.97 | +17 29 35.8 | – | a | 233 |
| 2021-10-28 20:16:21 | C | 23 20 39.43 | +17 29 33.3 | – | a | 233 |
| 2021-10-28 20:22:24 | C | 23 20 38.85 | +17 29 31.1 | – | a | 233 |
| 2021-10-29 18:12:10 | C | 23 18 45.96 | +17 20 45.8 | – | Y | 557 |
| 2021-10-29 19:13:09 | C | 23 18 40.45 | +17 20 21.4 | – | Y | 557 |
| 2021-10-29 20:05:00 | C | 23 18 35.75 | +17 20 00.5 | – | Y | 557 |
| 2021-10-29 22:56:52 | C | 23 18 20.29 | +17 18 49.5 | – | Y | 557 |
| 2021-10-29 23:30:23 | C | 23 18 17.32 | +17 18 35.3 | – | Y | 557 |
| 2021-10-30 08:03:50 | C | 23 17 34.09 | +17 15 20.5 | – | V | T08 |
| 2021-10-30 08:08:29 | C | 23 17 33.66 | +17 15 18.5 | – | V | T08 |
| 2021-10-30 08:23:51 | C | 23 17 32.25 | +17 15 12.1 | – | V | T08 |
| 2021-10-30 08:32:42 | C | 23 17 31.44 | +17 15 08.4 | – | V | T08 |
| 2021-10-30 08:33:22 | C | 23 17 31.38 | +17 15 08.1 | – | V | T08 |
| 2021-10-31 03:40:54 | C | 23 15 55.54 | +17 07 09.4 | – | V | 703 |
| 2021-10-31 03:48:37 | C | 23 15 54.85 | +17 07 06.2 | – | V | 703 |
| 2021-10-31 03:56:19 | C | 23 15 54.15 | +17 07 03.1 | – | V | 703 |
| 2021-10-31 04:04:01 | C | 23 15 53.37 | +17 06 59.7 | – | V | 703 |
| 2021-10-31 05:18:43 | C | 23 15 47.970 | +17 06 33.48 | – | U | F51 |
| 2021-10-31 05:36:48 | C | 23 15 46.346 | +17 06 25.74 | – | U | F51 |
| 2021-10-31 05:54:52 | C | 23 15 44.736 | +17 06 18.82 | – | U | F51 |
| 2021-10-31 06:13:03 | C | 23 15 43.076 | +17 06 10.93 | – | U | F51 |
| 2021-11-01 08:13:13 | C | 23 13 33.82 | +16 55 13.1 | – | V | T05 |
| 2021-11-01 08:17:51 | C | 23 13 33.42 | +16 55 11.1 | – | V | T05 |
| 2021-11-01 08:32:38 | C | 23 13 32.10 | +16 55 04.5 | – | V | T05 |
| 2021-11-01 08:44:31 | C | 23 13 31.07 | +16 54 59.3 | – | V | T05 |
| 2021-11-03 03:15:11 | C | 23 10 09.43 | +16 36 33.4 | – | V | 703 |
| 2021-11-03 03:22:51 | C | 23 10 08.79 | +16 36 30.1 | – | V | 703 |
| 2021-11-03 03:30:31 | C | 23 10 08.14 | +16 36 26.7 | – | V | 703 |
| 2021-11-03 03:38:11 | C | 23 10 07.50 | +16 36 23.5 | – | V | 703 |
| 2021-11-03 07:45:37 | C | 23 09 47.85 | +16 34 40.7 | – | V | T08 |
| 2021-11-03 07:50:15 | C | 23 09 47.46 | +16 34 38.7 | – | V | T08 |
| 2021-11-03 08:04:38 | C | 23 09 46.24 | +16 34 32.4 | – | V | T08 |
| 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 |