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
2005-12-10 08:52:05 C 05 11 51.41 +65 31 32.6 c 682
2005-12-10 09:25:21 C 05 11 45.58 +65 31 47.5 c 682
2005-12-10 09:58:38 C 05 11 39.81 +65 32 03.1 c 682
2005-12-30 07:54:22 C 03 58 53.83 +66 22 01.6 696
2005-12-30 09:54:26 C 03 58 40.05 +66 21 38.2 696
2005-12-31 05:45:55 C 03 56 27.85 +66 17 56.0 o 696
2005-12-31 06:14:12 C 03 56 24.68 +66 17 49.9 o 696
2006-01-06 06:48:18 C 03 42 51.58 +65 43 08.0 o 682
2006-01-06 07:32:39 C 03 42 48.08 +65 42 54.9 o 682
2006-01-06 08:17:00 C 03 42 44.37 +65 42 42.2 o 682
2006-01-31 02:10:48 C 03 27 27.91 +62 42 18.5 o 448
2006-01-31 02:44:57 C 03 27 28.32 +62 42 08.0 o 448
2006-01-31 03:21:55 C 03 27 28.80 +62 41 58.0 o 448
2006-02-22 02:31:54 C 03 48 40.03 +60 42 21.4 o 682
2006-02-22 03:20:36 C 03 48 42.87 +60 42 12.8 o 682
2006-02-22 04:09:17 C 03 48 45.55 +60 42 03.5 o 682
2007-03-14 09:42:03 C 13 32 26.18 +50 04 51.2 o 696
2007-03-14 10:38:43 C 13 32 22.81 +50 05 05.8 o 696
2008-04-20 14:05:34 C 18 31 04.28 -40 53 33.6 r F85
2008-04-20 14:48:05 C 18 31 06.90 -40 54 39.3 r F85
2008-04-20 15:30:04 C 18 31 09.60 -40 55 43.4 r F85
2008-05-16 14:28:20 C 19 20 09.56 -61 23 57.4 r E12
2008-05-16 14:40:09 C 19 20 10.75 -61 24 25.3 r E12
2008-05-16 15:03:46 C 19 20 13.16 -61 25 22.5 r E12
2008-09-27 16:06:06 C 05 31 58.54 -60 05 48.4 r E12
2008-09-27 16:17:40 C 05 31 56.46 -60 05 46.4 r E12
2008-09-27 16:29:15 C 05 31 54.37 -60 05 44.3 r E12
2008-09-27 16:40:39 C 05 31 52.39 -60 05 42.4 r E12
2008-10-15 16:28:55 C 03 56 11.11 -55 11 48.1 r E12
2008-10-15 16:45:28 C 03 56 06.64 -55 11 25.5 r E12
2008-10-15 17:02:00 C 03 56 02.50 -55 11 02.9 r E12
2008-10-15 17:18:32 C 03 55 58.29 -55 10 40.3 r E12
2008-10-18 16:58:48 C 03 37 56.49 -53 20 53.3 r E12
2008-10-18 17:12:13 C 03 37 53.07 -53 20 29.9 r E12
2008-10-18 17:25:40 C 03 37 49.58 -53 20 07.0 r E12
2008-10-18 17:39:08 C 03 37 46.16 -53 19 44.3 r E12
2008-10-20 14:04:50 C 03 26 44.80 -52 00 06.1 r E12
2008-10-20 15:01:13 C 03 26 30.58 -51 58 19.2 r E12
2008-10-20 15:15:02 C 03 26 27.06 -51 57 53.6 r E12
2008-10-20 16:34:08 C 03 26 07.08 -51 55 22.8 r E12
2008-10-20 16:54:41 C 03 26 01.86 -51 54 43.1 r E12
2008-10-20 17:11:49 C 03 25 57.54 -51 54 09.9 r E12
2008-10-20 17:28:56 C 03 25 53.40 -51 53 36.8 r E12
2008-10-20 17:46:01 C 03 25 48.97 -51 53 04.0 r E12
2008-10-31 14:32:48 C 02 27 45.07 -41 04 23.5 r E12
2008-10-31 14:51:30 C 02 27 41.36 -41 03 27.2 r E12
2008-10-31 15:00:48 C 02 27 39.56 -41 02 58.6 r E12
2008-11-08 04:00:59 C 01 57 25.15 -31 18 08.1 r 808
2008-11-08 04:11:00 C 01 57 24.02 -31 17 39.7 r 808
2008-11-08 04:21:00 C 01 57 22.46 -31 17 05.6 r 808