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 |
|---|---|---|---|---|---|---|
| 2017-04-20 06:32:08 | C | 12 13 30.17 | -19 47 50.9 | – | q | 703 |
| 2017-04-20 06:39:54 | C | 12 13 30.12 | -19 47 45.5 | – | q | 703 |
| 2017-04-20 06:47:39 | C | 12 13 30.04 | -19 47 40.3 | – | q | 703 |
| 2017-04-20 10:51:01 | C | 12 13 29.02 | -19 44 50.0 | – | L | T05 |
| 2017-04-20 11:09:02 | C | 12 13 28.91 | -19 44 37.5 | – | L | T05 |
| 2017-04-20 11:27:10 | C | 12 13 28.79 | -19 44 25.0 | – | L | T05 |
| 2017-04-20 11:45:19 | C | 12 13 28.63 | -19 44 12.2 | – | L | T05 |
| 2017-04-20 12:02:45 | C | 12 13 28.53 | -19 44 00.0 | – | L | T05 |
| 2017-04-28 09:39:03 | C | 12 14 17.16 | -17 49 05.0 | – | L | T05 |
| 2017-04-28 10:01:14 | C | 12 14 17.32 | -17 48 53.2 | – | L | T05 |
| 2017-04-28 10:23:54 | C | 12 14 17.45 | -17 48 40.8 | – | L | T05 |
| 2017-04-28 10:46:39 | C | 12 14 17.59 | -17 48 28.3 | – | L | T05 |
| 2017-05-02 04:59:27 | C | 12 15 31.12 | -17 03 53.1 | – | q | G96 |
| 2017-05-02 05:05:33 | C | 12 15 31.19 | -17 03 50.2 | – | q | G96 |
| 2017-05-02 05:11:39 | C | 12 15 31.27 | -17 03 47.3 | – | q | G96 |
| 2017-05-02 05:17:45 | C | 12 15 31.34 | -17 03 44.6 | – | q | G96 |
| 2017-05-05 05:57:48 | C | 12 16 50.23 | -16 32 13.6 | – | q | H45 |
| 2017-05-05 06:00:21 | C | 12 16 50.27 | -16 32 13.2 | – | q | H45 |
| 2017-05-05 06:02:21 | C | 12 16 50.28 | -16 32 11.5 | – | q | H45 |
| 2017-05-05 06:04:34 | C | 12 16 50.36 | -16 32 11.3 | – | q | H45 |
| 2017-05-06 09:10:03 | C | 12 17 24.31 | -16 21 22.8 | – | L | T05 |
| 2017-05-06 09:33:29 | C | 12 17 24.77 | -16 21 14.0 | – | L | T05 |
| 2017-05-06 09:56:56 | C | 12 17 25.19 | -16 21 04.5 | – | L | T05 |
| 2017-05-06 10:19:36 | C | 12 17 25.56 | -16 20 55.6 | – | L | T05 |
| 2017-05-08 04:44:09 | C | 12 18 23.40 | -16 05 10.8 | – | u | H21 |
| 2017-05-08 04:47:33 | C | 12 18 23.47 | -16 05 09.7 | – | u | H21 |
| 2017-05-08 04:50:39 | C | 12 18 23.53 | -16 05 08.6 | – | u | H21 |
| 2017-05-08 04:53:45 | C | 12 18 23.60 | -16 05 07.4 | – | u | H21 |
| 2017-05-08 04:56:51 | C | 12 18 23.66 | -16 05 06.3 | – | u | H21 |
| 2017-05-08 04:59:57 | C | 12 18 23.72 | -16 05 05.1 | – | u | H21 |
| 2017-05-08 05:03:03 | C | 12 18 23.79 | -16 05 03.9 | – | u | H21 |
| 2017-05-08 05:06:10 | C | 12 18 23.84 | -16 05 03.1 | – | u | H21 |
| 2017-05-08 05:09:54 | C | 12 18 23.95 | -16 05 01.4 | – | u | H21 |
| 2017-05-13 07:36:46 | C | 12 21 38.50 | -15 26 02.3 | – | L | T08 |
| 2017-05-13 07:51:04 | C | 12 21 38.79 | -15 25 57.8 | – | L | T08 |
| 2017-05-13 07:57:24 | C | 12 21 38.97 | -15 25 55.5 | – | L | T08 |
| 2017-05-13 08:11:45 | C | 12 21 39.38 | -15 25 51.6 | – | L | T08 |
| 2017-05-13 08:20:54 | C | 12 21 39.61 | -15 25 49.5 | – | L | T08 |
| 2017-05-13 08:32:15 | C | 12 21 39.95 | -15 25 46.0 | – | L | T08 |
| 2017-05-13 08:38:32 | C | 12 21 40.16 | -15 25 44.0 | – | L | T08 |
| 2017-05-13 08:52:28 | C | 12 21 40.54 | -15 25 39.4 | – | L | T08 |
| 2017-05-14 08:49:11 | C | 12 22 22.96 | -15 19 10.4 | – | L | T05 |
| 2017-05-14 09:08:02 | C | 12 22 23.48 | -15 19 05.3 | – | L | T05 |
| 2017-05-14 09:26:51 | C | 12 22 23.99 | -15 19 00.2 | – | L | T05 |
| 2017-05-14 09:46:26 | C | 12 22 24.45 | -15 18 54.7 | – | L | T05 |
| 2017-05-16 04:12:40 | C | 12 23 43.49 | -15 08 16.2 | – | q | H45 |
| 2017-05-16 04:14:28 | C | 12 23 43.54 | -15 08 16.0 | – | q | H45 |
| 2017-05-16 04:16:03 | C | 12 23 43.59 | -15 08 15.4 | – | q | H45 |
| 2017-05-16 04:17:35 | C | 12 23 43.63 | -15 08 14.3 | – | q | H45 |
| 2017-05-16 04:19:07 | C | 12 23 43.67 | -15 08 14.2 | – | q | H45 |
| 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 |