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
2021-06-17 04:04:01 S 14 04 34.111 -73 34 28.85 V C57
2021-06-17 04:34:01 S 14 04 19.406 -73 34 42.74 V C57
2021-06-17 07:54:01 S 14 02 50.482 -73 36 28.08 V C57
2021-06-17 07:54:01 s 1 -11925.357 0 +405459.46 8380.0 C57
2021-06-17 08:24:01 S 14 02 37.140 -73 36 42.08 V C57
2021-06-17 08:24:01 s 1 -12998.920 0 +405447.03 280.0 C57
2021-06-17 09:14:01 S 14 02 16.757 -73 37 09.80 V C57
2021-06-17 09:14:01 s 1 -14787.469 0 +405408.93 8670.0 C57
2021-06-17 09:44:01 S 14 02 02.515 -73 37 16.32 V C57
2021-06-17 09:44:01 s 1 -15860.131 0 +405375.65 4740.0 C57
2021-06-17 10:14:01 S 14 01 48.703 -73 37 37.02 V C57
2021-06-17 10:14:01 s 1 -16932.417 0 +405334.55 8530.0 C57
2021-06-17 10:24:01 S 14 01 42.830 -73 37 37.13 V C57
2021-06-17 10:24:01 s 1 -17289.758 0 +405319.12 5950.0 C57
2021-06-17 10:44:01 S 14 01 36.086 -73 37 44.44 V C57
2021-06-17 10:44:01 s 1 -18004.305 0 +405285.65 9980.0 C57
2021-06-17 11:14:01 S 14 01 22.802 -73 38 08.77 V C57
2021-06-17 11:14:01 s 1 -19075.773 0 +405228.93 9030.0 C57
2021-06-17 11:24:01 S 14 01 17.126 -73 38 12.59 V C57
2021-06-17 11:24:01 s 1 -19432.833 0 +405208.28 4840.0 C57
2021-06-17 11:34:01 S 14 01 13.680 -73 38 13.70 V C57
2021-06-17 11:34:01 s 1 -19789.843 0 +405186.78 370.0 C57
2021-06-17 11:44:01 S 14 01 09.312 -73 38 17.12 V C57
2021-06-17 11:44:01 s 1 -20146.802 0 +405164.40 5630.0 C57
2021-06-17 11:54:01 S 14 01 04.637 -73 38 22.09 V C57
2021-06-17 11:54:01 s 1 -20503.710 0 +405141.15 610.0 C57
2021-06-17 13:24:01 S 14 00 24.055 -73 39 05.90 V C57
2021-06-17 13:24:01 s 1 -23713.448 0 +404892.92 2520.0 C57
2021-06-17 13:44:01 S 14 00 15.840 -73 39 18.36 V C57
2021-06-17 13:44:01 s 1 -24426.093 0 +404828.22 6370.0 C57
2021-06-17 14:04:01 S 14 00 07.056 -73 39 21.85 V C57
2021-06-17 14:04:01 s 1 -25138.495 0 +404760.05 9010.0 C57
2021-06-17 14:14:01 S 14 00 01.634 -73 39 23.15 V C57
2021-06-17 14:14:01 s 1 -25494.604 0 +404724.66 9870.0 C57
2021-06-17 14:24:01 S 13 59 56.582 -73 39 27.61 V C57
2021-06-17 14:24:01 s 1 -25850.649 0 +404688.41 410.0 C57
2021-06-17 14:44:01 S 13 59 49.222 -73 39 40.75 V C57
2021-06-17 14:44:01 s 1 -26562.547 0 +404613.30 570.0 C57
2021-06-17 15:24:01 S 13 59 30.842 -73 40 00.55 V C57
2021-06-17 15:24:01 s 1 -27985.553 0 +404452.69 7070.0 C57
2021-06-17 15:34:01 S 13 59 26.172 -73 40 00.52 V C57
2021-06-17 15:34:01 s 1 -28341.135 0 +404410.37 5390.0 C57
2021-06-17 16:34:01 S 13 58 58.958 -73 40 31.91 V C57
2021-06-17 16:34:01 s 1 -30473.144 0 +404138.25 8380.0 C57
2021-06-17 16:44:01 S 13 58 54.960 -73 40 41.34 V C57
2021-06-17 16:44:01 s 1 -30828.224 0 +404089.86 4370.0 C57
2021-06-17 16:54:01 S 13 58 50.054 -73 40 39.07 V C57
2021-06-17 16:54:01 s 1 -31183.230 0 +404040.61 20.0 C57
2021-06-17 17:24:01 S 13 58 35.657 -73 40 56.89 V C57
2021-06-17 17:24:01 s 1 -32247.790 0 +403887.65 4900.0 C57