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
2021-06-19 23:14:01 S 13 34 16.853 -73 59 34.44 V C57
2021-06-19 23:14:01 s 1 -137949.12 7 +341078.87 6920.0 C57
2021-06-20 00:14:01 S 13 33 49.620 -73 59 50.57 V C57
2021-06-20 00:14:01 s 1 -139638.65 6 +339014.33 2030.0 C57
2021-06-20 04:34:01 S 13 31 50.522 -74 00 48.13 V C57
2021-06-20 04:34:01 s 1 -146785.79 9 +329668.17 9250.0 C57
2021-06-20 05:14:01 S 13 31 33.010 -74 00 57.28 V C57
2021-06-20 05:14:01 s 1 -147859.15 0 +328172.19 1410.0 C57
2021-06-20 05:24:01 S 13 31 29.021 -74 00 58.82 V C57
2021-06-20 05:24:01 s 1 -148126.35 5 +327795.76 5950.0 C57
2021-06-20 05:44:01 S 13 31 18.259 -74 01 02.21 V C57
2021-06-20 05:44:01 s 1 -148659.39 5 +327039.96 780.0 C57
2021-06-20 05:54:01 S 13 31 14.693 -74 01 06.67 V C57
2021-06-20 05:54:01 s 1 -148925.22 6 +326660.60 1080.0 C57
2021-06-20 06:14:01 S 13 31 04.819 -74 01 04.55 V C57
2021-06-20 06:14:01 s 1 -149455.50 4 +325898.93 7380.0 C57
2021-06-20 06:54:01 S 13 30 48.329 -74 01 16.86 V C57
2021-06-20 06:54:01 s 1 -150510.47 3 +324363.84 2740.0 C57
2021-06-20 08:34:01 S 13 30 01.507 -74 01 38.64 V C57
2021-06-20 08:34:01 s 1 -153114.68 4 +320457.22 8730.0 C57
2021-06-20 09:04:01 S 13 29 49.241 -74 01 41.99 V C57
2021-06-20 09:04:01 s 1 -153886.50 7 +319265.97 450.0 C57
2021-06-20 11:14:01 S 13 28 49.944 -74 02 11.36 V C57
2021-06-20 11:14:01 s 1 -157179.15 0 +314000.48 1610.0 C57
2021-06-20 11:54:01 S 13 28 30.922 -74 02 17.59 V C57
2021-06-20 11:54:01 s 1 -158174.88 7 +312346.36 4750.0 C57
2021-06-20 17:14:01 S 13 26 05.282 -74 03 13.43 V C57
2021-06-20 17:14:01 s 1 -165828.41 3 +298530.59 3840.0 C57
2021-06-20 18:34:01 S 13 25 29.647 -74 03 25.09 V C57
2021-06-20 18:34:01 s 1 -167650.30 6 +294912.85 1850.0 C57
2021-06-20 20:34:01 S 13 24 33.857 -74 03 47.63 V C57
2021-06-20 20:34:01 s 1 -170310.09 1 +289361.63 1510.0 C57
2021-06-20 20:54:01 S 13 24 24.574 -74 03 54.97 V C57
2021-06-20 20:54:01 s 1 -170744.63 4 +288421.80 4840.0 C57
2021-06-20 21:14:01 S 13 24 15.526 -74 03 57.42 V C57
2021-06-20 21:14:01 s 1 -171176.62 6 +287477.77 430.0 C57
2021-06-20 22:54:01 S 13 23 30.761 -74 04 10.13 V C57
2021-06-20 22:54:01 s 1 -173297.65 3 +282694.38 170.0 C57
2021-06-21 00:54:01 S 13 22 35.395 -74 04 26.65 V C57
2021-06-21 00:54:01 s 1 -175754.63 7 +276814.19 4330.0 C57
2021-06-21 03:04:01 S 13 21 38.105 -74 04 32.02 V C57
2021-06-21 03:04:01 s 1 -178302.85 9 +270269.66 8650.0 C57
2021-06-21 04:14:01 S 13 21 06.050 -74 04 38.93 V C57
2021-06-21 04:14:01 s 1 -179624.06 6 +266669.84 5600.0 C57
2021-06-21 04:24:01 S 13 21 01.990 -74 04 45.59 V C57
2021-06-21 04:24:01 s 1 -179809.82 2 +266151.22 1850.0 C57
2021-06-21 04:34:01 S 13 20 55.726 -74 04 46.38 V C57
2021-06-21 04:34:01 s 1 -179994.82 2 +265631.51 5830.0 C57
2021-06-21 04:54:01 S 13 20 46.313 -74 04 53.36 V C57
2021-06-21 04:54:01 s 1 -180362.54 4 +264588.80 6910.0 C57