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
2021-05-30 01:24:03 s 1 +158370.28 8 +275474.43 8340.0 C57
2021-05-30 01:34:03 S 16 36 42.185 -63 52 40.37 V C57
2021-05-30 01:34:03 s 1 +158145.27 8 +275991.16 5470.0 C57
2021-05-30 02:14:03 S 16 36 33.127 -63 54 06.66 V C57
2021-05-30 02:14:03 s 1 +157238.29 2 +278046.11 8420.0 C57
2021-05-30 02:24:03 S 16 36 30.065 -63 54 20.48 V C57
2021-05-30 02:24:03 s 1 +157009.82 6 +278556.86 7800.0 C57
2021-05-30 02:24:17 C 16 36 45.07 -64 03 43.3 X Y00
2021-05-30 02:34:03 S 16 36 29.148 -63 54 38.05 V C57
2021-05-30 02:34:03 s 1 +156780.67 7 +279066.41 5660.0 C57
2021-05-30 02:38:55 C 16 36 42.00 -64 04 11.9 q Y00
2021-05-30 02:44:03 S 16 36 27.029 -63 54 58.72 V C57
2021-05-30 02:44:03 s 1 +156550.85 0 +279574.78 2000.0 C57
2021-05-30 02:51:31 C 16 36 39.13 -64 04 37.4 q Y00
2021-05-30 02:54:03 S 16 36 23.952 -63 55 11.42 V C57
2021-05-30 02:54:03 s 1 +156320.34 7 +280081.96 6830.0 C57
2021-05-30 03:24:03 S 16 36 19.858 -63 56 13.27 V C57
2021-05-30 03:24:03 s 1 +155624.81 1 +281596.37 2310.0 C57
2021-05-30 03:36:12 C 16 36 28.94 -64 06 10.7 q Y00
2021-05-30 03:49:33 C 16 36 26.04 -64 06 36.4 q Y00
2021-05-30 03:54:03 S 16 36 13.294 -63 57 15.98 V C57
2021-05-30 03:54:03 s 1 +154923.29 9 +283100.13 4430.0 C57
2021-05-30 04:00:14 C 16 36 23.66 -64 06 57.2 X Y00
2021-05-30 04:04:03 S 16 36 10.210 -63 57 43.63 V C57
2021-05-30 04:04:03 s 1 +154688.14 7 +283599.02 8870.0 C57
2021-05-30 04:24:03 S 16 36 06.588 -63 58 08.47 V C57
2021-05-30 04:24:03 s 1 +154215.88 9 +284593.27 3390.0 C57
2021-05-30 04:34:03 S 16 36 04.469 -63 58 41.74 V C57
2021-05-30 04:34:03 s 1 +153978.78 9 +285088.64 3480.0 C57
2021-05-30 05:04:03 S 16 35 58.692 -63 59 38.98 V C57
2021-05-30 05:04:03 s 1 +153263.63 5 +286567.68 5160.0 C57
2021-05-30 05:14:03 S 16 35 57.077 -63 59 51.36 V C57
2021-05-30 05:14:03 s 1 +153023.97 6 +287058.36 9550.0 C57
2021-05-30 06:14:03 S 16 35 44.820 -64 01 49.37 V C57
2021-05-30 06:14:03 s 1 +151572.83 4 +289977.91 6520.0 C57
2021-05-30 07:24:03 S 16 35 30.115 -64 04 06.56 V C57
2021-05-30 07:24:03 s 1 +149851.83 6 +293331.28 730.0 C57
2021-05-30 08:24:03 S 16 35 18.300 -64 05 58.85 V C57
2021-05-30 08:24:03 s 1 +148353.35 1 +296160.68 2550.0 C57
2021-05-30 08:54:03 S 16 35 10.877 -64 07 08.87 V C57
2021-05-30 08:54:03 s 1 +147596.21 4 +297559.92 970.0 C57
2021-05-30 09:44:03 S 16 35 00.281 -64 08 34.30 V C57
2021-05-30 09:44:03 s 1 +146322.85 8 +299869.22 6330.0 C57
2021-05-31 04:44:03 S 16 30 58.634 -64 45 31.46 V C57
2021-05-31 04:44:03 s 1 +114006.45 6 +345111.49 370.0 C57
2021-05-31 05:04:03 S 16 30 53.486 -64 46 05.74 V C57
2021-05-31 05:04:03 s 1 +113392.31 2 +345783.32 5960.0 C57
2021-05-31 05:24:03 S 16 30 50.237 -64 46 45.05 V C57
2021-05-31 05:24:03 s 1 +112776.80 8 +346451.09 8700.0 C57
2021-05-31 06:04:03 S 16 30 42.134 -64 48 02.99 V C57