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 |
|---|---|---|---|---|---|---|
| 2016-11-16 01:56:08 | C | 22 49 19.73 | +14 03 04.6 | – | q | H45 |
| 2016-11-16 01:57:24 | C | 22 49 19.67 | +14 03 04.1 | – | q | H45 |
| 2016-11-16 01:58:41 | C | 22 49 19.60 | +14 03 03.6 | – | q | H45 |
| 2016-11-18 02:12:20 | C | 22 47 16.36 | +13 42 32.3 | – | q | H45 |
| 2016-11-18 02:13:49 | C | 22 47 16.29 | +13 42 31.6 | – | q | H45 |
| 2016-11-18 02:15:08 | C | 22 47 16.23 | +13 42 31.1 | – | q | H45 |
| 2016-11-18 02:16:21 | C | 22 47 16.18 | +13 42 30.6 | – | q | H45 |
| 2016-11-18 02:17:57 | C | 22 47 16.09 | +13 42 29.8 | – | q | H45 |
| 2016-11-18 02:19:02 | C | 22 47 16.05 | +13 42 29.4 | – | q | H45 |
| 2016-11-19 02:12:05 | C | 22 46 20.22 | +13 32 29.0 | – | q | H45 |
| 2016-11-19 02:13:20 | C | 22 46 20.16 | +13 32 28.3 | – | q | H45 |
| 2016-11-19 02:14:39 | C | 22 46 20.10 | +13 32 27.8 | – | q | H45 |
| 2016-11-19 02:16:00 | C | 22 46 20.04 | +13 32 27.2 | – | q | H45 |
| 2016-11-19 02:17:21 | C | 22 46 19.98 | +13 32 26.7 | – | q | H45 |
| 2016-11-19 02:18:28 | C | 22 46 19.93 | +13 32 26.1 | – | q | H45 |
| 2016-11-21 02:13:01 | C | 22 44 37.86 | +13 12 41.9 | – | q | H45 |
| 2016-11-21 02:14:30 | C | 22 44 37.80 | +13 12 41.3 | – | q | H45 |
| 2016-11-21 02:16:24 | C | 22 44 37.72 | +13 12 40.5 | – | q | H45 |
| 2016-11-21 02:17:33 | C | 22 44 37.68 | +13 12 40.0 | – | q | H45 |
| 2016-11-21 02:18:56 | C | 22 44 37.62 | +13 12 39.4 | – | q | H45 |
| 2016-11-21 02:20:09 | C | 22 44 37.57 | +13 12 38.9 | – | q | H45 |
| 2016-11-22 01:37:33 | C | 22 43 52.94 | +13 03 13.8 | – | q | H45 |
| 2016-11-22 01:39:29 | C | 22 43 52.87 | +13 03 12.7 | – | q | H45 |
| 2016-11-22 01:40:27 | C | 22 43 52.83 | +13 03 12.3 | – | q | H45 |
| 2016-11-22 01:41:55 | C | 22 43 52.78 | +13 03 11.7 | – | q | H45 |
| 2016-11-22 01:43:21 | C | 22 43 52.72 | +13 03 11.1 | – | q | H45 |
| 2016-11-22 01:44:39 | C | 22 43 52.67 | +13 03 10.6 | – | q | H45 |
| 2016-11-24 06:38:51 | C | 22 42 21.26 | +12 42 16.9 | – | L | T05 |
| 2016-11-24 06:59:44 | C | 22 42 20.58 | +12 42 09.0 | – | L | T05 |
| 2016-11-24 07:22:09 | C | 22 42 19.80 | +12 42 00.1 | – | L | T05 |
| 2016-11-24 08:05:53 | C | 22 42 18.36 | +12 41 41.1 | – | L | T05 |
| 2016-11-24 10:53:03 | C | 22 42 15.34 | +12 40 31.9 | – | q | D29 |
| 2016-11-24 11:13:24 | C | 22 42 14.65 | +12 40 23.9 | – | q | D29 |
| 2016-11-24 11:33:46 | C | 22 42 13.96 | +12 40 15.7 | – | q | D29 |
| 2016-11-24 12:38:30 | S | 22 42 12.45 | +12 39 59.5 | – | L | C51 |
| 2016-11-24 15:47:11 | S | 22 42 07.61 | +12 38 45.6 | – | L | C51 |
| 2016-11-24 18:55:52 | S | 22 42 02.82 | +12 37 32.3 | – | L | C51 |
| 2016-11-24 20:30:07 | S | 22 42 00.44 | +12 36 55.6 | – | L | C51 |
| 2016-11-24 22:04:22 | S | 22 41 58.08 | +12 36 19.2 | – | L | C51 |
| 2016-11-24 22:04:33 | S | 22 41 58.07 | +12 36 18.4 | – | L | C51 |
| 2016-11-24 23:38:48 | S | 22 41 55.72 | +12 35 42.1 | – | L | C51 |
| 2016-11-25 02:47:30 | S | 22 41 51.06 | +12 34 28.8 | – | L | C51 |
| 2016-11-26 03:41:29 | C | 22 41 15.61 | +12 24 43.1 | – | t | U78 |
| 2016-11-26 03:51:20 | C | 22 41 15.27 | +12 24 39.0 | – | t | U78 |
| 2016-11-26 03:59:23 | C | 22 41 15.04 | +12 24 35.7 | – | t | U78 |
| 2016-11-30 19:07:13 | C | 22 39 13.87 | +11 42 56.0 | – | q | 160 |
| 2016-11-30 19:09:12 | C | 22 39 13.82 | +11 42 55.1 | – | q | 160 |
| 2016-11-30 19:11:11 | C | 22 39 13.77 | +11 42 54.4 | – | q | 160 |
| 2016-12-01 00:56:50 | C | 22 39 09.34 | +11 40 52.4 | – | q | H45 |
| 2016-12-01 00:57:59 | C | 22 39 09.31 | +11 40 52.0 | – | 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 |