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 17:34:01 S 13 58 31.171 -73 40 56.75 V C57
2021-06-17 17:34:01 s 1 -32602.488 0 +403834.93 9160.0 C57
2021-06-17 17:54:01 S 13 58 22.819 -73 41 11.11 V C57
2021-06-17 17:54:01 s 1 -33311.648 0 +403726.89 6630.0 C57
2021-06-17 18:04:01 S 13 58 18.422 -73 41 10.14 V C57
2021-06-17 18:04:01 s 1 -33666.107 0 +403671.57 9830.0 C57
2021-06-17 18:14:01 S 13 58 13.850 -73 41 19.43 V C57
2021-06-17 18:14:01 s 1 -34020.486 0 +403615.39 2670.0 C57
2021-06-17 18:34:01 S 13 58 04.159 -73 41 23.32 V C57
2021-06-17 18:34:01 s 1 -34728.996 0 +403500.42 7280.0 C57
2021-06-17 19:04:01 S 13 57 52.039 -73 41 39.70 V C57
2021-06-17 19:04:01 s 1 -35791.134 0 +403321.46 1440.0 C57
2021-06-17 19:34:01 S 13 57 38.549 -73 41 51.68 V C57
2021-06-17 19:34:01 s 1 -36852.498 0 +403134.70 2270.0 C57
2021-06-17 20:14:01 S 13 57 19.716 -73 42 10.91 V C57
2021-06-17 20:14:01 s 1 -38266.411 0 +402873.56 8090.0 C57
2021-06-17 21:54:01 S 13 56 36.912 -73 42 53.24 V C57
2021-06-17 21:54:01 s 1 -41794.680 0 +402160.02 340.0 C57
2021-06-17 22:04:01 S 13 56 30.540 -73 42 55.19 V C57
2021-06-17 22:04:01 s 1 -42146.973 0 +402083.90 4370.0 C57
2021-06-17 22:24:01 S 13 56 22.159 -73 43 11.96 V C57
2021-06-17 22:24:01 s 1 -42851.258 0 +401929.05 1180.0 C57
2021-06-17 22:44:01 S 13 56 12.576 -73 43 18.77 V C57
2021-06-17 22:44:01 s 1 -43555.135 0 +401770.74 6340.0 C57
2021-06-17 22:54:01 S 13 56 08.256 -73 43 18.77 V C57
2021-06-17 22:54:01 s 1 -43906.919 0 +401690.28 8300.0 C57
2021-06-17 23:04:01 S 13 56 03.221 -73 43 25.28 V C57
2021-06-17 23:04:01 s 1 -44258.599 0 +401608.95 9830.0 C57
2021-06-17 23:24:01 S 13 55 54.415 -73 43 30.86 V C57
2021-06-17 23:24:01 s 1 -44961.642 0 +401443.70 1640.0 C57
2021-06-17 23:34:01 S 13 55 51.833 -73 43 34.97 V C57
2021-06-17 23:34:01 s 1 -45313.005 0 +401359.77 1900.0 C57
2021-06-17 23:54:01 S 13 55 40.838 -73 43 46.67 V C57
2021-06-17 23:54:01 s 1 -46015.406 0 +401189.31 1140.0 C57
2021-06-18 00:04:01 S 13 55 36.847 -73 43 52.36 V C57
2021-06-18 00:04:01 s 1 -46366.443 0 +401102.78 110.0 C57
2021-06-18 00:54:01 S 13 55 14.136 -73 44 14.89 V C57
2021-06-18 00:54:01 s 1 -48119.966 0 +400657.11 8390.0 C57
2021-06-18 01:04:01 S 13 55 11.045 -73 44 18.82 V C57
2021-06-18 01:04:01 s 1 -48470.332 0 +400565.37 4720.0 C57
2021-06-18 02:24:01 S 13 54 34.457 -73 44 53.41 V C57
2021-06-18 02:24:01 s 1 -51269.062 0 +399800.20 9020.0 C57
2021-06-18 02:44:01 S 13 54 24.941 -73 45 05.87 V C57
2021-06-18 02:44:01 s 1 -51967.548 0 +399600.22 2980.0 C57
2021-06-18 04:14:01 S 13 53 43.982 -73 45 38.56 V C57
2021-06-18 04:14:01 s 1 -55104.559 0 +398657.30 7290.0 C57
2021-06-18 04:44:01 S 13 53 30.518 -73 45 48.49 V C57
2021-06-18 04:44:01 s 1 -56147.914 0 +398327.34 6640.0 C57
2021-06-18 05:44:01 S 13 53 03.322 -73 46 13.91 V C57
2021-06-18 05:44:01 s 1 -58231.018 0 +397643.92 1890.0 C57