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 17:04:03 s 1 +168657.98 8 +248075.53 3500.0 C57
2021-05-29 17:14:03 S 16 38 22.128 -63 36 37.62 V C57
2021-05-29 17:14:03 s 1 +168472.19 8 +248654.17 9150.0 C57
2021-05-29 17:34:03 S 16 38 17.558 -63 37 10.49 V C57
2021-05-29 17:34:03 s 1 +168097.99 5 +249807.61 4490.0 C57
2021-05-29 17:54:03 S 16 38 13.994 -63 37 47.21 V C57
2021-05-29 17:54:03 s 1 +167720.31 9 +250955.95 1950.0 C57
2021-05-29 18:04:03 S 16 38 12.574 -63 38 05.78 V C57
2021-05-29 18:04:03 s 1 +167530.18 9 +251528.22 7750.0 C57
2021-05-29 18:14:03 S 16 38 09.250 -63 38 28.68 V C57
2021-05-29 18:14:03 s 1 +167339.20 4 +252099.22 1610.0 C57
2021-05-29 19:14:03 S 16 37 58.675 -63 40 25.50 V C57
2021-05-29 19:14:03 s 1 +166175.53 3 +255498.64 4540.0 C57
2021-05-29 19:24:03 S 16 37 56.575 -63 40 41.20 V C57
2021-05-29 19:24:03 s 1 +165978.66 5 +256060.80 5070.0 C57
2021-05-29 19:34:03 S 16 37 55.152 -63 40 57.86 V C57
2021-05-29 19:34:03 s 1 +165780.97 2 +256621.71 3740.0 C57
2021-05-29 19:44:03 S 16 37 52.517 -63 41 23.60 V C57
2021-05-29 19:44:03 s 1 +165582.45 8 +257181.36 550.0 C57
2021-05-29 20:14:03 S 16 37 46.250 -63 42 19.73 V C57
2021-05-29 20:14:03 s 1 +164982.02 9 +258852.81 9930.0 C57
2021-05-29 20:24:03 S 16 37 43.704 -63 42 34.02 V C57
2021-05-29 20:24:03 s 1 +164780.26 9 +259407.46 9400.0 C57
2021-05-29 20:54:03 S 16 37 38.309 -63 43 36.95 V C57
2021-05-29 20:54:03 s 1 +164170.18 9 +261063.94 6970.0 C57
2021-05-29 21:04:03 S 16 37 34.879 -63 43 52.97 V C57
2021-05-29 21:04:03 s 1 +163965.24 2 +261613.61 9240.0 C57
2021-05-29 21:14:03 S 16 37 33.437 -63 44 23.06 V C57
2021-05-29 21:14:03 s 1 +163759.50 7 +262162.04 9740.0 C57
2021-05-29 23:04:03 S 16 37 11.357 -63 47 52.58 V C57
2021-05-29 23:04:03 s 1 +161445.44 4 +268113.44 210.0 C57
2021-05-29 23:14:03 S 16 37 09.252 -63 48 08.57 V C57
2021-05-29 23:14:03 s 1 +161230.53 1 +268647.11 10.0 C57
2021-05-29 23:24:03 S 16 37 07.776 -63 48 31.68 V C57
2021-05-29 23:24:03 s 1 +161014.87 5 +269179.57 8150.0 C57
2021-05-29 23:34:03 S 16 37 05.849 -63 48 52.34 V C57
2021-05-29 23:34:03 s 1 +160798.48 0 +269710.80 4630.0 C57
2021-05-29 23:44:03 S 16 37 03.031 -63 49 16.28 V C57
2021-05-29 23:44:03 s 1 +160581.35 0 +270240.83 9450.0 C57
2021-05-29 23:54:03 S 16 37 01.022 -63 49 29.42 V C57
2021-05-29 23:54:03 s 1 +160363.48 6 +270769.63 2620.0 C57
2021-05-30 00:04:03 S 16 37 00.302 -63 49 52.28 V C57
2021-05-30 00:04:03 s 1 +160144.89 4 +271297.22 4150.0 C57
2021-05-30 00:14:03 S 16 36 56.971 -63 50 11.36 V C57
2021-05-30 00:14:03 s 1 +159925.57 5 +271823.60 4050.0 C57
2021-05-30 00:44:03 S 16 36 51.444 -63 51 04.54 V C57
2021-05-30 00:44:03 s 1 +159263.29 6 +273395.48 4050.0 C57
2021-05-30 01:14:03 S 16 36 45.518 -63 52 07.25 V C57
2021-05-30 01:14:03 s 1 +158594.59 9 +274956.49 9640.0 C57
2021-05-30 01:24:03 S 16 36 42.449 -63 52 23.09 V C57