| 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 |
|---|---|---|---|---|---|---|
| 2021-11-12 18:57:48 | C | 22 54 47.26 | +14 52 41.0 | – | V | 089 |
| 2021-11-12 19:02:34 | C | 22 54 46.98 | +14 52 38.9 | – | V | 089 |
| 2021-11-12 19:14:28 | C | 22 54 46.27 | +14 52 33.5 | – | V | 089 |
| 2021-11-12 19:38:28 | C | 22 54 44.85 | +14 52 22.4 | – | V | 089 |
| 2021-11-12 19:50:28 | C | 22 54 44.15 | +14 52 16.7 | – | V | 089 |
| 2021-11-15 16:54:21 | C | 22 51 15.05 | +14 21 53.5 | – | V | 089 |
| 2021-11-15 16:57:45 | C | 22 51 14.88 | +14 21 51.8 | – | V | 089 |
| 2021-11-15 17:01:09 | C | 22 51 14.70 | +14 21 50.9 | – | V | 089 |
| 2021-11-15 17:04:33 | C | 22 51 14.50 | +14 21 50.0 | – | V | 089 |
| 2021-11-15 17:07:58 | C | 22 51 14.35 | +14 21 47.6 | – | V | 089 |
| 2021-11-15 17:11:22 | C | 22 51 14.18 | +14 21 46.7 | – | V | 089 |
| 2021-11-15 17:14:46 | C | 22 51 13.98 | +14 21 44.0 | – | V | 089 |
| 2021-11-15 17:18:10 | C | 22 51 13.78 | +14 21 43.0 | – | V | 089 |
| 2021-11-17 05:42:21 | C | 22 49 33.88 | +14 06 04.0 | – | V | 703 |
| 2021-11-17 05:51:12 | C | 22 49 33.44 | +14 05 59.9 | – | V | 703 |
| 2021-11-17 06:00:02 | C | 22 49 33.03 | +14 05 56.2 | – | V | 703 |
| 2021-11-17 06:08:52 | C | 22 49 32.46 | +14 05 52.6 | – | V | 703 |
| 2021-11-19 13:56:58 | S | 22 47 17.770 | +13 42 24.52 | – | L | C51 |
| 2021-11-19 13:57:09 | S | 22 47 17.760 | +13 42 24.05 | – | L | C51 |
| 2021-11-19 17:05:17 | S | 22 47 10.66 | +13 41 05.2 | – | L | C51 |
| 2021-11-19 20:13:25 | S | 22 47 03.631 | +13 39 47.02 | – | L | C51 |
| 2021-11-19 21:47:29 | S | 22 47 00.13 | +13 39 08.0 | – | L | C51 |
| 2021-11-19 23:21:33 | S | 22 46 56.65 | +13 38 28.7 | – | L | C51 |
| 2021-11-20 00:55:37 | S | 22 46 53.18 | +13 37 49.7 | – | L | C51 |
| 2021-11-20 00:55:48 | S | 22 46 53.16 | +13 37 49.1 | – | L | C51 |
| 2021-11-20 02:29:52 | S | 22 46 49.706 | +13 37 10.06 | – | L | C51 |
| 2021-11-20 04:03:56 | S | 22 46 46.274 | +13 36 31.14 | – | L | C51 |
| 2021-11-20 08:32:13 | C | 22 46 35.57 | +13 34 37.0 | – | V | T05 |
| 2021-11-20 08:36:50 | C | 22 46 35.38 | +13 34 35.0 | – | V | T05 |
| 2021-11-20 08:46:06 | C | 22 46 35.00 | +13 34 30.9 | – | V | T05 |
| 2021-11-20 09:03:57 | C | 22 46 34.27 | +13 34 23.1 | – | V | T05 |
| 2021-11-20 10:20:13 | S | 22 46 32.65 | +13 33 55.4 | – | L | C51 |
| 2021-11-21 06:46:33 | C | 22 45 49.544 | +13 25 28.79 | – | U | F52 |
| 2021-11-21 07:17:56 | C | 22 45 48.243 | +13 25 15.49 | – | U | F52 |
| 2021-11-21 07:33:33 | C | 22 45 47.604 | +13 25 08.85 | – | U | F52 |
| 2021-11-21 07:37:39 | C | 22 45 47.43 | +13 25 07.2 | – | V | T05 |
| 2021-11-21 07:51:38 | C | 22 45 46.88 | +13 25 01.1 | – | V | T05 |
| 2021-11-21 08:12:08 | C | 22 45 46.06 | +13 24 52.4 | – | V | T05 |
| 2021-11-21 08:16:46 | C | 22 45 45.86 | +13 24 50.2 | – | V | T05 |
| 2021-11-22 18:07:18 | C | 22 44 41.72 | +13 10 53.1 | – | V | K87 |
| 2021-11-22 18:10:28 | C | 22 44 41.61 | +13 10 52.0 | – | V | K87 |
| 2021-11-22 18:14:42 | C | 22 44 41.45 | +13 10 50.1 | – | V | K87 |
| 2021-11-22 18:29:27 | C | 22 44 40.96 | +13 10 43.5 | – | V | G33 |
| 2021-11-22 18:31:08 | C | 22 44 40.91 | +13 10 42.9 | – | V | G33 |
| 2021-11-22 18:32:49 | C | 22 44 40.84 | +13 10 42.2 | – | V | G33 |
| 2021-11-22 18:34:20 | C | 22 44 40.80 | +13 10 41.6 | – | V | G33 |
| 2021-11-22 18:36:11 | C | 22 44 40.73 | +13 10 40.8 | – | V | G33 |
| 2021-11-22 18:37:52 | C | 22 44 40.66 | +13 10 40.2 | – | V | G33 |
| 2021-11-22 18:43:52 | C | 22 44 40.46 | +13 10 37.7 | – | V | G33 |
| 2021-11-22 18:47:05 | C | 22 44 40.35 | +13 10 36.3 | – | V | G33 |
| 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 |