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
2021-06-21 06:24:01 S 13 20 06.108 -74 04 56.17 V C57
2021-06-21 06:24:01 s 1 -181979.10 6 +259842.19 6630.0 C57
2021-06-21 08:14:01 S 13 19 17.366 -74 05 13.49 V C57
2021-06-21 08:14:01 s 1 -183867.57 7 +253919.02 8770.0 C57
2021-06-21 09:14:01 S 13 18 49.567 -74 05 20.11 V C57
2021-06-21 09:14:01 s 1 -184855.76 1 +250631.28 5710.0 C57
2021-06-21 09:24:01 S 13 18 43.186 -74 05 19.32 V C57
2021-06-21 09:24:01 s 1 -185017.51 5 +250079.39 9680.0 C57
2021-06-21 11:34:01 S 13 17 44.414 -74 05 32.39 V C57
2021-06-21 11:34:01 s 1 -187041.69 6 +242802.03 5150.0 C57
2021-06-21 12:34:01 S 13 17 17.914 -74 05 33.40 V C57
2021-06-21 12:34:01 s 1 -187925.34 4 +239378.40 8130.0 C57
2021-06-21 12:44:01 S 13 17 13.946 -74 05 32.82 V C57
2021-06-21 12:44:01 s 1 -188069.42 7 +238803.79 9060.0 C57
2021-06-21 14:54:01 S 13 16 12.900 -74 05 39.98 V C57
2021-06-21 14:54:01 s 1 -189857.28 5 +231228.86 7610.0 C57
2021-06-21 15:24:01 S 13 16 00.540 -74 05 51.07 V C57
2021-06-21 15:24:01 s 1 -190246.82 3 +229452.98 2470.0 C57
2021-06-21 16:34:01 S 13 15 28.692 -74 05 50.35 V C57
2021-06-21 16:34:01 s 1 -191121.06 4 +225268.36 6730.0 C57
2021-06-21 17:24:01 S 13 15 04.320 -74 05 53.23 V C57
2021-06-21 17:24:01 s 1 -191715.15 9 +222244.12 3280.0 C57
2021-06-21 17:34:01 S 13 15 00.593 -74 05 58.06 V C57
2021-06-21 17:34:01 s 1 -191830.88 5 +221635.73 9350.0 C57
2021-06-21 18:54:01 S 13 14 25.685 -74 05 56.22 V C57
2021-06-21 18:54:01 s 1 -192718.83 1 +216725.97 4820.0 C57
2021-06-21 19:04:01 S 13 14 20.594 -74 06 04.93 V C57
2021-06-21 19:04:01 s 1 -192825.02 2 +216106.89 2420.0 C57
2021-06-21 19:14:01 S 13 14 14.933 -74 06 04.28 V C57
2021-06-21 19:14:01 s 1 -192930.13 1 +215486.63 6780.0 C57
2021-06-21 19:24:01 S 13 14 10.886 -74 06 00.61 V C57
2021-06-21 19:24:01 s 1 -193034.15 2 +214865.17 7910.0 C57
2021-06-21 19:34:01 S 13 14 07.822 -74 06 04.21 V C57
2021-06-21 19:34:01 s 1 -193137.08 1 +214242.51 5770.0 C57
2021-06-21 22:24:01 S 13 12 50.254 -74 06 13.10 V C57
2021-06-21 22:24:01 s 1 -194715.02 7 +203473.31 7190.0 C57
2021-06-21 23:04:01 S 13 12 32.021 -74 06 11.20 V C57
2021-06-21 23:04:01 s 1 -195037.56 6 +200888.47 2950.0 C57
2021-06-22 00:34:01 S 13 11 51.917 -74 06 14.22 V C57
2021-06-22 00:34:01 s 1 -195692.26 2 +195001.01 4630.0 C57
2021-06-22 00:44:01 S 13 11 46.990 -74 06 17.93 V C57
2021-06-22 00:44:01 s 1 -195758.80 6 +194340.70 4160.0 C57
2021-06-22 06:54:01 S 13 08 56.710 -74 06 14.22 V C57
2021-06-22 06:54:01 s 1 -197281.81 4 +169032.26 370.0 C57
2021-06-22 07:44:01 S 13 08 34.956 -74 06 10.58 V C57
2021-06-22 07:44:01 s 1 -197337.32 8 +165479.57 6340.0 C57
2021-06-22 10:44:01 S 13 07 13.274 -74 06 08.60 V C57
2021-06-22 10:44:01 s 1 -197210.17 7 +152424.24 3790.0 C57
2021-06-22 11:04:01 S 13 07 05.458 -74 06 15.77 V C57
2021-06-22 11:04:01 s 1 -197163.07 6 +150947.84 9540.0 C57