277473 (2005 WD1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4415289561 ± 7.33e-08
Semi-major axis (a)2.1999271076 AU ± 1.02e-08
Inclination (i)43.07339274° ± 1.51e-05
Long. of Asc. Node (Ω)52.26937114° ± 1.20e-05
Arg. of Perihelion (ω)285.94562996° ± 1.81e-05
Mean Anomaly (M)99.93567016° ± 1.23e-05
Mean Motion (n)0.3020646053°/day ± 2.11e-09
Perihelion dist (q)1.22859559 AU ± 1.61e-07
Aphelion dist (Q)3.17125863 AU ± 1.62e-07
Orbital Period3.26296516 yr ± 2.28e-08
Physical Parameters
H (abs. magnitude)16.81
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual1.434″
Uncertainty0
Orbit TypeAmor
MOID0.495785 AU
Observations Used1085
Oppositions15
Arc Total2004-2026
First Observation Used2004-04-17
Last Observation Used2026-01-11
Observations (1940)
Date Type RA Dec Mag Band Observatory
2021-06-22 12:14:01 S 13 06 31.673 -74 06 10.48 V C57
2021-06-22 12:14:01 s 1 -196943.80 6 +145739.59 9280.0 C57
2021-06-22 12:44:01 S 13 06 18.482 -74 06 07.13 V C57
2021-06-22 12:44:01 s 1 -196823.36 3 +143487.98 1200.0 C57
2021-06-22 14:34:01 S 13 05 28.978 -74 06 00.50 V C57
2021-06-22 14:34:01 s 1 -196240.63 5 +135131.72 9660.0 C57
2021-06-22 19:34:01 S 13 03 13.978 -74 05 48.84 V C57
2021-06-22 19:34:01 s 1 -193427.65 4 +111538.16 3180.0 C57
2021-06-22 19:44:01 S 13 03 09.290 -74 05 45.74 V C57
2021-06-22 19:44:01 s 1 -193300.49 9 +110731.47 1800.0 C57
2021-06-23 00:24:01 S 13 01 01.620 -74 05 20.90 V C57
2021-06-23 00:24:01 s 1 -188757.21 8 +87620.698 2210.0 C57
2021-06-23 03:24:01 S 12 59 39.413 -74 04 59.84 V C57
2021-06-23 03:24:01 s 1 -184730.41 1 +72242.781 130.0 C57
2021-06-23 03:54:01 S 12 59 26.225 -74 04 51.92 V C57
2021-06-23 03:54:01 s 1 -183965.91 9 +69641.712 350.0 C57
2021-06-23 14:04:01 S 12 54 48.686 -74 03 13.21 V C57
2021-06-23 14:04:01 s 1 -161403.96 4 +14760.402 810.0 C57
2021-07-11 20:41:36 S 10 58 35.90 -70 44 27.5 L C51
2021-07-11 23:49:44 S 10 58 08.23 -70 42 57.7 L C51
2021-07-11 23:49:56 S 10 58 08.14 -70 42 57.7 L C51
2021-07-12 09:14:30 S 10 56 46.50 -70 38 30.9 L C51
2021-07-12 10:48:35 S 10 56 33.04 -70 37 47.8 L C51
2021-07-12 13:56:53 S 10 56 06.50 -70 36 19.1 L C51
2021-07-12 17:05:02 S 10 55 39.87 -70 34 51.2 L C51
2021-07-12 20:13:21 S 10 55 13.74 -70 33 24.3 L C51
2021-10-22 04:30:42 C 01 10 00.97 -73 05 34.3 W84
2021-10-22 05:14:30 C 01 09 50.33 -73 03 42.4 W84
2021-10-22 05:58:17 C 01 09 39.68 -73 01 50.1 W84
2021-10-22 06:42:02 C 01 09 29.27 -72 59 58.0 W84
2021-10-22 07:25:51 C 01 09 18.72 -72 58 05.2 W84
2021-11-11 06:44:49 C 00 23 56.22 -47 58 43.6 V T05
2021-11-11 06:47:27 C 00 23 56.21 -47 58 33.7 V T05
2021-11-11 06:51:25 C 00 23 56.06 -47 58 20.5 V T05
2021-11-11 06:59:19 C 00 23 55.83 -47 57 53.3 V T05
2021-11-17 14:39:11 S 00 21 56.870 -39 09 52.13 L C51
2021-11-17 17:47:19 S 00 21 56.270 -38 58 59.12 L C51
2021-11-19 01:09:46 S 00 21 52.133 -37 11 11.40 L C51
2021-11-19 04:17:54 S 00 21 52.06 -37 00 28.6 L C51
2021-11-19 05:51:58 S 00 21 51.99 -36 55 05.9 L C51
2021-11-19 07:26:13 S 00 21 52.03 -36 49 44.6 L C51
2021-11-19 12:08:25 S 00 21 52.06 -36 33 40.3 L C51
2021-11-19 13:42:40 S 00 21 52.27 -36 28 18.0 L C51
2021-11-19 15:16:44 S 00 21 52.28 -36 22 58.3 L C51
2021-11-19 18:24:52 S 00 21 52.51 -36 12 14.9 L C51
2021-11-19 23:07:15 S 00 21 52.788 -35 56 15.04 L C51
2021-11-20 00:41:19 S 00 21 53.033 -35 50 55.36 L C51
2021-11-20 05:23:42 S 00 21 53.57 -35 34 55.9 L C51
2021-11-20 08:32:02 S 00 21 53.93 -35 24 17.0 L C51
2021-11-20 11:40:10 S 00 21 54.42 -35 13 39.2 L C51