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
2021-06-05 23:04:03 S 15 54 04.433 -68 58 57.86 V C57
2021-06-05 23:04:03 s 1 -161153.43 4 +310664.47 5650.0 C57
2021-06-05 23:34:03 S 15 53 54.372 -68 59 50.28 V C57
2021-06-05 23:34:03 s 1 -161900.43 7 +309400.42 3520.0 C57
2021-06-06 01:24:03 S 15 53 18.950 -69 02 52.98 V C57
2021-06-06 01:24:03 s 1 -164598.16 0 +304687.35 9130.0 C57
2021-06-06 01:34:03 S 15 53 14.736 -69 03 10.04 V C57
2021-06-06 01:34:03 s 1 -164840.13 1 +304252.77 780.0 C57
2021-06-06 05:54:03 S 15 51 49.166 -69 10 28.52 V C57
2021-06-06 05:54:03 s 1 -170930.46 5 +292592.15 6930.0 C57
2021-06-06 08:54:03 S 15 50 47.664 -69 15 24.55 V C57
2021-06-06 08:54:03 s 1 -174907.11 4 +284106.47 4410.0 C57
2021-06-06 09:14:03 S 15 50 42.401 -69 16 00.08 V C57
2021-06-06 09:14:03 s 1 -175336.14 6 +283142.49 5260.0 C57
2021-06-06 11:04:03 S 15 50 05.352 -69 19 04.33 V C57
2021-06-06 11:04:03 s 1 -177648.17 8 +277764.43 0.0 C57
2021-06-06 11:34:03 S 15 49 54.749 -69 19 59.41 V C57
2021-06-06 11:34:03 s 1 -178264.45 1 +276275.21 1220.0 C57
2021-06-06 15:14:03 S 15 48 41.729 -69 25 52.25 V C57
2021-06-06 15:14:03 s 1 -182587.95 2 +265056.71 820.0 C57
2021-06-06 17:14:03 S 15 48 00.569 -69 29 08.20 V C57
2021-06-06 17:14:03 s 1 -184793.81 4 +258714.36 9070.0 C57
2021-06-06 18:04:03 S 15 47 43.898 -69 30 17.14 V C57
2021-06-06 18:04:03 s 1 -185679.52 3 +256024.67 5460.0 C57
2021-06-06 18:44:03 S 15 47 28.471 -69 31 33.53 V C57
2021-06-06 18:44:03 s 1 -186373.54 8 +253852.87 8390.0 C57
2021-06-07 03:34:03 S 15 44 24.545 -69 45 47.92 V C57
2021-06-07 03:34:03 s 1 -194240.79 1 +223360.60 3930.0 C57
2021-06-07 05:44:03 S 15 43 37.238 -69 49 17.72 V C57
2021-06-07 05:44:03 s 1 -195754.74 5 +215383.23 470.0 C57
2021-06-07 07:24:03 S 15 43 02.369 -69 51 47.34 V C57
2021-06-07 07:24:03 s 1 -196795.38 2 +209110.05 3560.0 C57
2021-06-07 10:14:03 S 15 41 59.707 -69 56 21.98 V C57
2021-06-07 10:14:03 s 1 -198302.13 4 +198169.42 20.0 C57
2021-06-07 11:04:03 S 15 41 42.396 -69 57 44.24 V C57
2021-06-07 11:04:03 s 1 -198679.35 2 +194884.76 220.0 C57
2021-06-07 11:54:03 S 15 41 22.675 -69 58 55.52 V C57
2021-06-07 11:54:03 s 1 -199025.34 8 +191569.47 2070.0 C57
2021-06-07 13:04:03 S 15 40 57.773 -70 00 45.61 V C57
2021-06-07 13:04:03 s 1 -199452.96 2 +186866.13 6180.0 C57
2021-06-07 13:24:03 S 15 40 50.676 -70 01 23.45 V C57
2021-06-07 13:24:03 s 1 -199564.30 6 +185514.63 6210.0 C57
2021-06-07 13:54:03 S 15 40 39.979 -70 02 08.38 V C57
2021-06-07 13:54:03 s 1 -199721.07 3 +183477.26 9770.0 C57
2021-06-07 15:54:03 S 15 39 56.443 -70 05 10.39 V C57
2021-06-07 15:54:03 s 1 -200224.68 4 +175215.75 6350.0 C57
2021-06-07 17:04:03 S 15 39 30.204 -70 07 08.33 V C57
2021-06-07 17:04:03 s 1 -200423.96 2 +170313.29 9580.0 C57
2021-06-08 05:04:03 S 15 34 55.946 -70 25 12.86 V C57
2021-06-08 05:04:03 s 1 -197746.68 4 +116268.89 4100.0 C57