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 |
|---|---|---|---|---|---|---|
| 2017-05-16 04:20:40 | C | 12 23 43.73 | -15 08 14.0 | – | q | H45 |
| 2017-05-24 03:51:11 | C | 12 30 27.51 | -14 32 09.7 | – | q | G96 |
| 2017-05-24 04:01:50 | C | 12 30 27.88 | -14 32 08.2 | – | q | G96 |
| 2017-05-24 04:07:56 | C | 12 30 28.11 | -14 32 07.1 | – | q | G96 |
| 2017-05-24 04:14:02 | C | 12 30 28.33 | -14 32 06.2 | – | q | G96 |
| 2018-06-17 13:32:45 | C | 21 05 23.746 | -16 13 16.74 | – | U | F51 |
| 2018-06-17 13:47:00 | C | 21 05 23.437 | -16 13 17.13 | – | U | F51 |
| 2018-06-17 14:01:14 | C | 21 05 23.146 | -16 13 17.37 | – | U | F51 |
| 2018-06-17 14:15:30 | C | 21 05 22.823 | -16 13 18.01 | – | U | F51 |
| 2018-06-18 13:19:53 | C | 21 04 54.099 | -16 13 59.62 | – | U | F51 |
| 2018-06-18 13:35:48 | C | 21 04 53.741 | -16 14 00.03 | – | U | F51 |
| 2018-06-18 13:51:42 | C | 21 04 53.371 | -16 14 00.71 | – | U | F51 |
| 2018-06-18 14:07:35 | C | 21 04 53.017 | -16 14 01.19 | – | U | F51 |
| 2018-07-08 11:29:55 | C | 20 48 56.776 | -16 49 10.36 | – | U | F51 |
| 2018-07-08 11:46:44 | C | 20 48 56.007 | -16 49 12.12 | – | U | F51 |
| 2018-07-08 12:03:34 | C | 20 48 55.230 | -16 49 14.04 | – | U | F51 |
| 2018-07-08 12:20:24 | C | 20 48 54.451 | -16 49 15.93 | – | U | F51 |
| 2021-06-11 10:32:44 | C | 23 47 33.47 | +02 17 37.9 | – | V | G96 |
| 2021-06-11 10:42:12 | C | 23 47 33.96 | +02 17 42.3 | – | V | G96 |
| 2021-06-11 10:51:40 | C | 23 47 34.47 | +02 17 46.3 | – | V | G96 |
| 2021-06-11 11:01:06 | C | 23 47 34.93 | +02 17 51.1 | – | V | G96 |
| 2021-08-09 13:10:55 | C | 00 44 53.39 | +12 38 37.1 | – | V | T05 |
| 2021-08-09 13:37:29 | C | 00 44 53.92 | +12 38 47.9 | – | V | T05 |
| 2021-08-09 13:51:05 | C | 00 44 54.18 | +12 38 54.8 | – | V | T05 |
| 2021-08-09 13:57:35 | C | 00 44 54.26 | +12 38 57.2 | – | V | T05 |
| 2021-08-11 13:51:49 | C | 00 45 54.61 | +12 59 05.5 | – | V | T08 |
| 2021-08-11 14:02:09 | C | 00 45 54.83 | +12 59 08.7 | – | V | T08 |
| 2021-08-11 14:06:53 | C | 00 45 54.90 | +12 59 12.0 | – | V | T08 |
| 2021-08-11 14:48:30 | C | 00 45 55.63 | +12 59 28.4 | – | V | T08 |
| 2021-08-15 12:36:12 | C | 00 47 36.01 | +13 38 30.2 | – | V | T08 |
| 2021-08-15 12:38:51 | C | 00 47 36.04 | +13 38 30.8 | – | V | T08 |
| 2021-08-15 12:46:56 | C | 00 47 36.17 | +13 38 34.6 | – | V | T08 |
| 2021-08-15 13:28:52 | C | 00 47 36.72 | +13 38 51.8 | – | V | T08 |
| 2021-08-23 12:19:08 | C | 00 49 38.45 | +14 56 18.7 | – | V | T08 |
| 2021-08-23 12:21:47 | C | 00 49 38.44 | +14 56 19.1 | – | V | T08 |
| 2021-08-23 13:01:03 | C | 00 49 38.50 | +14 56 35.6 | – | V | T08 |
| 2021-08-23 13:11:03 | C | 00 49 38.61 | +14 56 39.2 | – | V | T08 |
| 2021-08-29 11:16:04 | C | 00 49 45.45 | +15 52 00.1 | – | V | T05 |
| 2021-08-29 11:18:42 | C | 00 49 45.46 | +15 52 00.8 | – | V | T05 |
| 2021-08-29 11:22:45 | C | 00 49 45.42 | +15 52 02.7 | – | V | T05 |
| 2021-08-29 11:30:38 | C | 00 49 45.35 | +15 52 05.3 | – | V | T05 |
| 2021-08-31 11:44:47 | C | 00 49 28.79 | +16 10 16.2 | – | V | T08 |
| 2021-08-31 11:47:26 | C | 00 49 28.78 | +16 10 16.8 | – | V | T08 |
| 2021-08-31 11:51:25 | C | 00 49 28.74 | +16 10 18.8 | – | V | T08 |
| 2021-08-31 12:00:26 | C | 00 49 28.64 | +16 10 22.0 | – | V | T08 |
| 2021-09-01 07:38:08 | C | 00 49 19.23 | +16 17 36.2 | – | U | I41 |
| 2021-09-01 07:49:04 | C | 00 49 19.12 | +16 17 40.4 | – | U | I41 |
| 2021-09-03 08:07:09 | C | 00 48 47.79 | +16 35 18.8 | – | U | I41 |
| 2021-09-03 09:50:54 | C | 00 48 46.18 | +16 35 56.5 | – | U | I41 |
| 2021-09-03 09:53:36 | C | 00 48 46.14 | +16 35 57.5 | – | U | I41 |
| 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 |