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
2021-06-08 05:44:03 S 15 34 41.146 -70 26 18.56 V C57
2021-06-08 05:44:03 s 1 -197305.56 5 +113071.79 2400.0 C57
2021-06-08 06:34:03 S 15 34 22.426 -70 27 38.63 V C57
2021-06-08 06:34:03 s 1 -196704.12 5 +109046.78 5110.0 C57
2021-06-08 06:44:03 S 15 34 18.074 -70 27 48.49 V C57
2021-06-08 06:44:03 s 1 -196577.03 5 +108237.96 960.0 C57
2021-06-08 12:34:03 S 15 32 00.629 -70 36 29.70 V C57
2021-06-08 12:34:03 s 1 -190577.72 5 +79143.794 8990.0 C57
2021-06-08 13:14:03 S 15 31 45.365 -70 37 24.46 V C57
2021-06-08 13:14:03 s 1 -189683.75 7 +75723.990 8880.0 C57
2021-06-08 14:44:03 S 15 31 08.604 -70 39 37.62 V C57
2021-06-08 14:44:03 s 1 -187499.82 6 +67961.625 2860.0 C57
2021-06-08 18:44:03 S 15 29 32.088 -70 45 14.80 V C57
2021-06-08 18:44:03 s 1 -180409.40 2 +46830.270 8820.0 C57
2021-06-08 22:14:03 S 15 28 05.866 -70 50 06.47 V C57
2021-06-08 22:14:03 s 1 -172498.18 5 +27893.689 4060.0 C57
2021-06-10 23:34:03 S 15 06 51.151 -71 44 12.70 V C57
2021-06-10 23:34:03 s 1 +134518.21 0 -19899.545 6620.0 C57
2021-06-10 23:44:03 S 15 06 47.784 -71 44 19.46 V C57
2021-06-10 23:44:03 s 1 +135216.59 7 -18922.636 5410.0 C57
2021-06-11 01:44:03 S 15 06 00.370 -71 46 13.12 V C57
2021-06-11 01:44:03 s 1 +143073.13 6 - 7141.177 310.0 C57
2021-06-11 02:14:03 S 15 05 46.908 -71 46 38.60 V C57
2021-06-11 02:14:03 s 1 +144891.87 7 - 4185.340 4460.0 C57
2021-06-11 02:24:03 S 15 05 42.811 -71 46 51.56 V C57
2021-06-11 02:24:03 s 1 +145485.70 7 - 3199.648 6430.0 C57
2021-06-11 02:34:03 S 15 05 38.750 -71 46 59.95 V C57
2021-06-11 02:34:03 s 1 +146073.40 6 - 2213.824 2260.0 C57
2021-06-11 02:44:03 S 15 05 35.686 -71 47 06.83 V C57
2021-06-11 02:44:03 s 1 +146655.02 2 - 1227.909 2060.0 C57
2021-06-11 02:54:03 S 15 05 33.382 -71 47 08.81 V C57
2021-06-11 02:54:03 s 1 +147230.59 9 - 241.946 5970.0 C57
2021-06-11 03:04:03 S 15 05 27.271 -71 47 22.85 V C57
2021-06-11 03:04:03 s 1 +147800.18 4 + 744.025 4130.0 C57
2021-06-11 03:54:03 S 15 05 09.324 -71 48 14.72 V C57
2021-06-11 03:54:03 s 1 +150559.81 2 + 5672.641 2930.0 C57
2021-06-11 04:14:03 S 15 04 59.978 -71 48 21.35 V C57
2021-06-11 04:14:03 s 1 +151623.29 3 + 7642.820 550.0 C57
2021-06-11 04:24:03 S 15 04 55.771 -71 48 27.04 V C57
2021-06-11 04:24:03 s 1 +152146.55 9 + 8627.499 7160.0 C57
2021-06-11 05:14:03 S 15 04 35.503 -71 49 23.23 V C57
2021-06-11 05:14:03 s 1 +154679.87 2 +13545.481 2980.0 C57
2021-06-11 05:24:03 S 15 04 31.896 -71 49 30.32 V C57
2021-06-11 05:24:03 s 1 +155170.22 8 +14527.780 3530.0 C57
2021-06-11 05:44:03 S 15 04 24.158 -71 49 47.24 V C57
2021-06-11 05:44:03 s 1 +156134.96 8 +16490.848 2940.0 C57
2021-06-11 05:54:03 S 15 04 20.594 -71 50 00.74 V C57
2021-06-11 05:54:03 s 1 +156609.43 4 +17471.561 2030.0 C57
2021-06-11 06:14:03 S 15 04 12.118 -71 50 10.43 V C57
2021-06-11 06:14:03 s 1 +157542.76 2 +19431.213 9540.0 C57