IAA Minor Planet Database| Epoch (TDB) | 2025-11-21 (JD 2461000.5) |
|---|---|
| Eccentricity (e) | 0.7171213021 ± 2.74e-08 |
| Semi-major axis (a) | 1.6110179703 AU ± 2.80e-09 |
| Inclination (i) | 10.15765606° ± 5.98e-06 |
| Long. of Asc. Node (Ω) | 194.42532135° ± 1.80e-05 |
| Arg. of Perihelion (ω) | 91.42198039° ± 1.68e-05 |
| Mean Anomaly (M) | 189.05870502° ± 8.80e-06 |
| Mean Motion (n) | 0.4820162714°/day ± 1.25e-09 |
| Perihelion dist (q) | 0.45572267 AU ± 4.42e-08 |
| Aphelion dist (Q) | 2.76631327 AU ± 4.44e-08 |
| Orbital Period | 2.04479878 yr ± 5.32e-09 |
| H (abs. magnitude) | 21.01 |
|---|---|
| G (slope) | 0.15 |
2016 UD57
| Source | IAA |
|---|---|
| Solution Date | 2026-06-01 |
| RMS Residual | 0.424″ |
| Uncertainty | 0 |
| Orbit Type | Apollo |
| MOID | 0.047174 AU |
| Observations Used | 136 |
| Oppositions | 6 |
| Arc Total | 2004-2018 |
| First Observation Used | 2004-03-10 |
| Last Observation Used | 2016-10-31 |
| Date | Type | RA | Dec | Mag | Band | Observatory |
|---|---|---|---|---|---|---|
| 2004-03-10 06:53:15 | C | 09 44 42.89 | -13 21 24.2 | – | V | 608 |
| 2004-03-10 07:07:54 | C | 09 44 38.23 | -13 21 12.6 | – | V | 608 |
| 2004-03-17 04:11:29 | C | 08 37 21.92 | -09 41 53.8 | 18.7 | c | 704 |
| 2004-03-17 04:27:55 | C | 08 37 13.08 | -09 41 20.2 | 19.6 | c | 704 |
| 2004-03-17 04:59:28 | C | 08 36 56.21 | -09 40 15.8 | 19.2 | c | 704 |
| 2004-03-17 05:15:42 | C | 08 36 47.54 | -09 39 41.1 | 19.5 | c | 704 |
| 2004-03-18 02:39:21 | C | 08 25 14.17 | -08 53 14.0 | 18.9 | c | 704 |
| 2004-03-18 02:55:59 | C | 08 25 04.68 | -08 52 36.1 | 18.8 | c | 704 |
| 2004-03-18 03:11:57 | C | 08 24 55.54 | -08 51 59.5 | 19.0 | c | 704 |
| 2004-03-18 03:13:05 | C | 08 24 54.90 | -08 51 57.0 | 18.9 | c | 704 |
| 2004-03-18 03:27:57 | C | 08 24 46.37 | -08 51 22.7 | 19.0 | c | 704 |
| 2004-03-18 03:30:32 | C | 08 24 44.83 | -08 51 16.8 | 19.6 | c | 704 |
| 2004-03-18 03:44:22 | C | 08 24 36.96 | -08 50 45.4 | 19.2 | c | 704 |
| 2004-03-18 03:46:57 | C | 08 24 35.53 | -08 50 39.2 | 19.4 | c | 704 |
| 2004-03-19 02:42:14 | C | 08 11 19.87 | -07 54 53.8 | 18.9 | c | 704 |
| 2004-03-19 02:42:36 | C | 08 11 19.70 | -07 54 53.6 | 19.3 | c | 704 |
| 2004-03-19 02:58:18 | C | 08 11 10.03 | -07 54 12.6 | 19.0 | c | 704 |
| 2004-03-19 03:00:38 | C | 08 11 08.61 | -07 54 06.0 | 19.4 | c | 704 |
| 2004-03-19 03:14:16 | C | 08 11 00.27 | -07 53 31.8 | 19.2 | c | 704 |
| 2004-03-19 03:33:33 | C | 08 10 48.47 | -07 52 42.4 | 19.6 | c | 704 |
| 2004-03-19 03:46:23 | C | 08 10 40.67 | -07 52 09.8 | 19.2 | c | 704 |
| 2004-03-19 03:50:19 | C | 08 10 38.22 | -07 51 59.6 | 19.4 | c | 704 |
| 2004-03-19 04:19:09 | C | 08 10 20.82 | -07 50 43.7 | – | c | 926 |
| 2004-03-19 04:19:56 | C | 08 10 20.34 | -07 50 42.0 | – | c | 926 |
| 2004-03-19 04:20:41 | C | 08 10 19.79 | -07 50 38.0 | – | c | 926 |
| 2004-03-19 04:54:36 | C | 08 09 58.32 | -07 49 15.7 | – | r | 649 |
| 2004-03-19 04:56:21 | C | 08 09 57.27 | -07 49 11.3 | – | r | 649 |
| 2004-03-19 05:01:37 | C | 08 09 54.04 | -07 48 57.3 | – | r | 649 |
| 2004-03-19 05:18:24 | C | 08 09 44.78 | -07 48 11.7 | – | c | 673 |
| 2004-03-19 05:22:05 | C | 08 09 42.47 | -07 48 02.0 | – | c | 673 |
| 2004-03-19 05:28:14 | C | 08 09 38.70 | -07 47 46.1 | – | c | 673 |
| 2004-03-19 05:35:05 | C | 08 09 34.57 | -07 47 28.4 | – | c | 673 |
| 2004-03-19 05:47:44 | C | 08 09 26.73 | -07 46 55.2 | – | c | 673 |
| 2004-03-19 05:56:35 | C | 08 09 21.24 | -07 46 31.9 | – | c | 673 |
| 2004-03-20 02:44:07 | C | 07 56 30.28 | -06 49 56.6 | 18.6 | c | 704 |
| 2004-03-20 02:59:47 | C | 07 56 19.98 | -06 49 12.1 | 19.9 | c | 704 |
| 2004-03-20 03:15:14 | C | 07 56 10.00 | -06 48 27.8 | 18.8 | c | 704 |
| 2004-03-20 03:30:48 | C | 07 55 59.83 | -06 47 43.0 | 18.8 | c | 704 |
| 2004-03-22 03:29:20 | C | 07 23 41.71 | -04 18 03.3 | – | c | 926 |
| 2004-03-22 03:30:33 | C | 07 23 40.84 | -04 17 59.9 | – | c | 926 |
| 2004-03-23 21:08:58 | C | 06 53 12.06 | -01 50 14.1 | – | r | J95 |
| 2004-03-23 21:24:52 | C | 06 52 59.95 | -01 49 14.2 | – | r | J95 |
| 2004-03-29 09:49:58 | C | 05 11 20.51 | +06 26 46.5 | – | r | 413 |
| 2004-03-29 10:00:57 | C | 05 11 12.24 | +06 27 24.4 | – | r | 413 |
| 2004-03-29 10:18:05 | C | 05 10 59.41 | +06 28 21.3 | – | r | 413 |
| 2016-11-03 13:24:10 | C | 05 02 11.76 | +02 21 56.8 | – | t | 474 |
| 2016-11-03 13:27:34 | C | 05 02 11.07 | +02 21 55.0 | – | t | 474 |
| 2016-11-03 13:30:58 | C | 05 02 10.35 | +02 21 53.3 | – | t | 474 |
| 2016-11-03 13:34:22 | C | 05 02 09.59 | +02 21 50.9 | – | t | 474 |
| 2016-11-04 08:19:18 | C | 04 58 12.83 | +02 10 28.5 | – | o | 291 |