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
2004-04-17 11:38:16 C 13 34 34.32 +37 50 33.0 t 568
2004-04-17 11:42:46 C 13 34 34.03 +37 50 32.5 t 568
2004-04-17 11:47:17 C 13 34 33.74 +37 50 32.2 t 568
2004-04-17 11:51:48 C 13 34 33.41 +37 50 31.5 t 568
2004-04-17 11:56:49 C 13 34 33.14 +37 50 31.1 t 568
2004-04-17 12:01:59 C 13 34 32.75 +37 50 30.4 t 568
2004-04-17 12:06:30 C 13 34 32.45 +37 50 30.0 t 568
2004-04-17 12:11:00 C 13 34 32.15 +37 50 29.2 t 568
2004-04-17 12:15:31 C 13 34 31.83 +37 50 28.6 t 568
2004-04-17 12:20:01 C 13 34 31.58 +37 50 28.2 t 568
2004-04-17 12:25:31 C 13 34 31.20 +37 50 27.7 t 568
2004-04-17 12:30:01 C 13 34 30.91 +37 50 27.0 t 568
2004-04-17 12:34:31 C 13 34 30.62 +37 50 26.6 t 568
2005-11-21 07:56:59 C 06 17 00.51 +58 57 39.9 19.2 c 704
2005-11-21 08:15:01 C 06 16 58.59 +58 58 01.0 19.1 c 704
2005-11-21 08:33:31 C 06 16 56.74 +58 58 23.4 19.9 c 704
2005-11-21 08:51:36 C 06 16 54.86 +58 58 44.4 19.2 c 704
2005-11-22 06:03:55 C 06 14 43.12 +59 23 38.5 c 651
2005-11-22 06:06:33 C 06 14 43.04 +59 23 40.5 c 651
2005-11-22 06:07:53 C 06 14 42.89 +59 23 41.6 c 651
2005-11-22 07:50:21 C 06 14 31.54 +59 25 42.1 o 734
2005-11-22 07:52:28 C 06 14 31.28 +59 25 44.1 o 734
2005-11-22 07:54:35 C 06 14 30.89 +59 25 48.1 o 734
2005-11-22 08:03:06 C 06 14 30.17 +59 25 56.8 o 734
2005-11-22 09:00:53 C 06 14 23.90 +59 27 06.0 c 682
2005-11-22 09:16:02 C 06 14 22.22 +59 27 22.1 18.7 c 704
2005-11-22 09:34:55 C 06 14 20.21 +59 27 44.8 19.8 c 704
2005-11-22 09:45:12 C 06 14 18.57 +59 27 57.7 c 682
2005-11-22 09:53:49 C 06 14 18.14 +59 28 05.9 19.5 c 704
2005-11-22 10:12:50 C 06 14 15.98 +59 28 28.1 19.5 c 704
2005-11-22 10:29:34 C 06 14 14.03 +59 28 47.5 c 682
2005-11-22 11:22:50 C 06 14 08.41 +59 29 48.9 c 673
2005-11-22 11:32:40 C 06 14 07.33 +59 30 00.2 c 673
2005-11-22 11:40:19 C 06 14 06.51 +59 30 08.9 c 673
2005-11-22 11:47:30 C 06 14 05.71 +59 30 17.0 c 673
2005-11-23 09:48:04 C 06 11 41.38 +59 55 29.5 c 682
2005-11-23 09:53:53 C 06 11 40.63 +59 55 34.3 19.8 c 704
2005-11-23 10:12:12 C 06 11 38.72 +59 55 54.0 19.7 c 704
2005-11-23 10:32:24 C 06 11 36.42 +59 56 18.1 19.8 c 704
2005-11-23 10:32:28 C 06 11 36.50 +59 56 19.0 c 682
2005-11-23 10:51:24 C 06 11 34.18 +59 56 39.6 19.8 c 704
2005-11-23 11:16:53 C 06 11 31.28 +59 57 09.2 c 682
2005-11-23 14:14:11 C 06 11 11.38 +60 00 29.6 o F65
2005-11-23 14:15:31 C 06 11 11.19 +60 00 31.2 o F65
2005-11-23 14:17:37 C 06 11 10.99 +60 00 33.4 o F65
2005-11-29 16:41:02 C 05 52 35.47 +62 30 56.5 c A50
2005-11-29 16:42:35 C 05 52 35.16 +62 30 59.1 c A50
2005-11-30 00:00:51 C 05 51 32.56 +62 37 45.2 o J95
2005-11-30 00:06:54 C 05 51 31.73 +62 37 50.7 o J95
2005-11-30 00:12:58 C 05 51 30.83 +62 37 56.4 o J95