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 |
|---|---|---|---|---|---|---|
| 1996-11-17 02:11:04 | C | 22 56 30.37 | +19 03 09.0 | – | i | 711 |
| 1996-11-18 03:51:46 | C | 22 54 36.33 | +18 51 18.4 | – | i | 711 |
| 1996-11-18 03:56:32 | C | 22 54 35.93 | +18 51 16.2 | – | i | 711 |
| 1996-11-21 07:06:43 | C | 22 49 20.28 | +18 16 25.0 | – | c | 608 |
| 1996-11-21 07:50:05 | C | 22 49 16.97 | +18 16 03.6 | – | c | 608 |
| 1996-11-28 07:14:33 | C | 22 38 37.05 | +16 55 52.5 | – | c | 608 |
| 1996-11-28 08:10:14 | C | 22 38 33.23 | +16 55 22.7 | – | c | 608 |
| 1996-11-28 12:25:14 | C | 22 38 18.14 | +16 53 08.7 | – | z | 360 |
| 1996-11-28 12:29:45 | C | 22 38 17.83 | +16 53 06.2 | – | z | 360 |
| 1996-11-28 12:35:00 | C | 22 38 17.48 | +16 53 03.4 | – | z | 360 |
| 1996-11-29 00:08:23 | C | 22 37 35.29 | +16 47 57.9 | – | z | 861 |
| 1996-11-29 07:00:11 | C | 22 37 10.44 | +16 44 04.0 | – | c | 608 |
| 1996-11-29 07:44:57 | C | 22 37 07.34 | +16 43 39.7 | – | c | 608 |
| 1996-12-03 16:26:30 | C | 22 30 47.70 | +15 48 55.0 | – | z | 557 |
| 1996-12-03 17:34:55 | C | 22 30 42.88 | +15 48 17.6 | – | z | 557 |
| 1996-12-03 18:42:08 | C | 22 30 38.08 | +15 47 40.7 | – | z | 118 |
| 1996-12-03 18:52:28 | C | 22 30 37.36 | +15 47 34.9 | – | z | 118 |
| 1996-12-03 19:15:59 | C | 22 30 35.86 | +15 47 21.0 | – | z | 557 |
| 1996-12-04 01:44:14 | C | 22 30 12.29 | +15 44 03.4 | – | i | 711 |
| 1996-12-04 01:49:00 | C | 22 30 11.94 | +15 44 00.7 | – | i | 711 |
| 1996-12-04 16:54:14 | C | 22 29 16.31 | +15 35 25.4 | – | z | 557 |
| 1996-12-04 18:01:49 | C | 22 29 11.49 | +15 34 46.9 | – | z | 557 |
| 1996-12-04 20:07:47 | C | 22 29 02.71 | +15 33 33.7 | – | z | 557 |
| 1996-12-04 21:20:38 | C | 22 28 57.85 | +15 32 50.8 | – | z | 557 |
| 1996-12-21 16:37:08 | C | 21 52 17.35 | +09 43 49.9 | – | z | 118 |
| 1996-12-21 16:44:56 | C | 21 52 16.12 | +09 43 38.6 | – | z | 118 |
| 1996-12-21 16:47:56 | C | 21 52 15.63 | +09 43 34.1 | – | z | 118 |
| 1997-02-05 06:10:49 | C | 15 15 36.62 | -36 43 36.4 | – | z | 861 |
| 1997-02-05 06:41:06 | C | 15 15 31.62 | -36 43 47.1 | – | z | 861 |
| 1997-02-05 07:10:37 | C | 15 15 26.42 | -36 43 57.1 | – | z | 861 |
| 1997-03-12 08:17:04 | C | 13 43 31.60 | -34 51 01.6 | – | z | 861 |
| 1997-03-12 08:27:00 | C | 13 43 30.66 | -34 50 55.3 | – | z | 861 |
| 1997-03-18 06:38:13 | C | 13 29 10.62 | -33 18 17.5 | – | z | 861 |
| 1997-03-18 06:57:08 | C | 13 29 08.57 | -33 18 03.2 | – | z | 861 |
| 1997-03-18 07:08:49 | C | 13 29 07.36 | -33 17 54.4 | – | z | 861 |
| 1997-06-02 09:16:11 | – | 12 49 50.89 | -15 19 05.1 | – | c | 260 |
| 1997-06-02 10:16:12 | – | 12 49 53.05 | -15 18 59.4 | – | c | 260 |
| 1998-07-01 09:13:29 | c | 20 59 12.71 | -16 15 44.5 | – | i | 691 |
| 1998-07-01 09:44:32 | c | 20 59 11.57 | -16 15 47.4 | – | i | 691 |
| 1998-07-01 10:15:31 | c | 20 59 10.41 | -16 15 50.1 | – | i | 691 |
| 2001-08-17 08:18:22 | C | 00 53 48.20 | +14 32 47.1 | 19.1 | c | 704 |
| 2001-08-17 08:35:46 | C | 00 53 48.47 | +14 32 54.6 | 19.9 | c | 704 |
| 2001-08-17 08:53:10 | C | 00 53 48.79 | +14 33 01.5 | 19.3 | c | 704 |
| 2001-08-17 09:10:41 | C | 00 53 49.02 | +14 33 08.8 | 19.3 | c | 704 |
| 2001-08-17 09:28:36 | C | 00 53 49.30 | +14 33 17.8 | 20.0 | c | 704 |
| 2001-08-25 08:10:39 | C | 00 56 13.01 | +15 55 38.9 | 18.6 | c | 704 |
| 2001-08-25 08:28:58 | C | 00 56 13.06 | +15 55 45.9 | 19.5 | c | 704 |
| 2001-08-25 09:05:56 | C | 00 56 13.23 | +15 56 02.0 | 19.1 | c | 704 |
| 2001-08-25 09:24:16 | C | 00 56 13.34 | +15 56 10.0 | 18.8 | c | 704 |
| 2001-08-28 07:55:44 | C | 00 56 35.37 | +16 25 59.5 | – | c | 699 |
| 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 |