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
2021-05-29 07:24:03 s 1 +177780.12 2 +212270.99 4230.0 C57
2021-05-29 07:34:03 S 16 40 15.506 -63 17 35.88 V C57
2021-05-29 07:34:03 s 1 +177653.11 4 +212926.66 4240.0 C57
2021-05-29 10:04:03 S 16 39 46.978 -63 22 34.90 V C57
2021-05-29 10:04:03 s 1 +175611.65 6 +222597.18 1220.0 C57
2021-05-29 10:14:03 S 16 39 44.662 -63 22 54.37 V C57
2021-05-29 10:14:03 s 1 +175466.72 5 +223231.00 90.0 C57
2021-05-29 10:24:03 S 16 39 42.794 -63 23 07.80 V C57
2021-05-29 10:24:03 s 1 +175320.72 1 +223863.47 6500.0 C57
2021-05-29 10:44:03 S 16 39 38.669 -63 23 54.28 V C57
2021-05-29 10:44:03 s 1 +175025.51 4 +225124.36 1980.0 C57
2021-05-29 10:54:03 S 16 39 36.605 -63 24 11.84 V C57
2021-05-29 10:54:03 s 1 +174876.32 2 +225752.79 1090.0 C57
2021-05-29 11:04:03 S 16 39 35.014 -63 24 20.95 V C57
2021-05-29 11:04:03 s 1 +174726.07 8 +226379.88 7790.0 C57
2021-05-29 11:14:03 S 16 39 32.947 -63 24 52.24 V C57
2021-05-29 11:14:03 s 1 +174574.78 7 +227005.62 2090.0 C57
2021-05-29 11:24:03 S 16 39 32.491 -63 25 10.56 V C57
2021-05-29 11:24:03 s 1 +174422.45 4 +227630.03 4000.0 C57
2021-05-29 12:04:03 S 16 39 23.930 -63 26 22.27 V C57
2021-05-29 12:04:03 s 1 +173802.80 7 +230114.30 8070.0 C57
2021-05-29 12:24:03 S 16 39 20.258 -63 27 09.54 V C57
2021-05-29 12:24:03 s 1 +173486.86 4 +231348.44 6110.0 C57
2021-05-29 12:34:03 S 16 39 17.930 -63 27 21.82 V C57
2021-05-29 12:34:03 s 1 +173327.38 0 +231963.52 1680.0 C57
2021-05-29 12:44:03 S 16 39 15.811 -63 27 40.46 V C57
2021-05-29 12:44:03 s 1 +173166.89 5 +232577.28 4960.0 C57
2021-05-29 13:04:03 S 16 39 10.980 -63 28 23.63 V C57
2021-05-29 13:04:03 s 1 +172842.93 8 +233800.82 4690.0 C57
2021-05-29 13:14:03 S 16 39 09.811 -63 28 40.37 V C57
2021-05-29 13:14:03 s 1 +172679.47 6 +234410.61 1170.0 C57
2021-05-29 13:44:03 S 16 39 03.569 -63 29 38.65 V C57
2021-05-29 13:44:03 s 1 +172183.21 5 +236232.08 7210.0 C57
2021-05-29 13:54:03 S 16 39 01.829 -63 30 01.19 V C57
2021-05-29 13:54:03 s 1 +172015.85 1 +236836.61 4790.0 C57
2021-05-29 14:04:03 S 16 38 59.472 -63 30 18.68 V C57
2021-05-29 14:04:03 s 1 +171847.52 4 +237439.83 170.0 C57
2021-05-29 14:44:03 S 16 38 51.077 -63 31 41.81 V C57
2021-05-29 14:44:03 s 1 +171164.67 1 +239839.63 9940.0 C57
2021-05-29 15:04:03 S 16 38 47.705 -63 32 14.28 V C57
2021-05-29 15:04:03 s 1 +170817.58 2 +241031.71 6920.0 C57
2021-05-29 15:14:03 S 16 38 45.725 -63 32 41.42 V C57
2021-05-29 15:14:03 s 1 +170642.63 7 +241625.79 7220.0 C57
2021-05-29 15:24:03 S 16 38 44.282 -63 32 55.57 V C57
2021-05-29 15:24:03 s 1 +170466.76 5 +242218.59 5410.0 C57
2021-05-29 15:54:03 S 16 38 37.990 -63 33 58.07 V C57
2021-05-29 15:54:03 s 1 +169933.62 7 +243989.20 7430.0 C57
2021-05-29 16:14:03 S 16 38 34.454 -63 34 33.06 V C57
2021-05-29 16:14:03 s 1 +169573.64 4 +245163.15 5070.0 C57
2021-05-29 17:04:03 S 16 38 23.959 -63 36 10.55 V C57