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
2021-05-31 19:04:03 s 1 +86511.246 0 +370414.46 2860.0 C57
2021-05-31 19:54:03 S 16 27 37.668 -65 14 45.71 V C57
2021-05-31 19:54:03 s 1 +84852.758 0 +371664.26 2840.0 C57
2021-05-31 20:24:03 S 16 27 29.431 -65 15 38.84 V C57
2021-05-31 20:24:03 s 1 +83854.972 0 +372402.72 1670.0 C57
2021-05-31 20:34:03 S 16 27 27.713 -65 16 04.98 V C57
2021-05-31 20:34:03 s 1 +83521.934 0 +372646.97 7100.0 C57
2021-05-31 20:44:03 S 16 27 25.162 -65 16 16.07 V C57
2021-05-31 20:44:03 s 1 +83188.677 0 +372890.28 2120.0 C57
2021-05-31 21:34:03 S 16 27 13.757 -65 17 57.91 V C57
2021-05-31 21:34:03 s 1 +81519.146 0 +374092.57 1030.0 C57
2021-06-01 00:14:03 S 16 26 36.610 -65 23 01.68 V C57
2021-06-01 00:14:03 s 1 +76141.633 0 +377781.36 5900.0 C57
2021-06-01 00:24:03 S 16 26 35.959 -65 23 17.34 V C57
2021-06-01 00:24:03 s 1 +75803.835 0 +378003.92 2420.0 C57
2021-06-01 00:34:03 S 16 26 32.592 -65 23 43.12 V C57
2021-06-01 00:34:03 s 1 +75465.843 0 +378225.54 8600.0 C57
2021-06-01 00:54:03 S 16 26 28.037 -65 24 30.17 V C57
2021-06-01 00:54:03 s 1 +74789.282 0 +378665.99 9880.0 C57
2021-06-01 02:44:03 S 16 26 01.783 -65 27 52.24 V C57
2021-06-01 02:44:03 s 1 +71054.782 0 +381021.68 7670.0 C57
2021-06-01 03:04:03 S 16 25 57.257 -65 28 26.40 V C57
2021-06-01 03:04:03 s 1 +70373.411 0 +381437.88 300.0 C57
2021-06-01 03:14:03 S 16 25 54.845 -65 28 48.40 V C57
2021-06-01 03:14:03 s 1 +70032.459 0 +381644.59 1140.0 C57
2021-06-01 03:24:03 S 16 25 53.141 -65 29 07.84 V C57
2021-06-01 03:24:03 s 1 +69691.331 0 +381850.38 1660.0 C57
2021-06-01 04:54:03 S 16 25 31.534 -65 31 55.52 V C57
2021-06-01 04:54:03 s 1 +66613.418 0 +383660.74 2820.0 C57
2021-06-01 05:14:03 S 16 25 26.815 -65 32 37.21 V C57
2021-06-01 05:14:03 s 1 +65927.584 0 +384052.88 7650.0 C57
2021-06-01 05:44:03 S 16 25 20.455 -65 33 35.57 V C57
2021-06-01 05:44:03 s 1 +64897.606 0 +384634.17 7770.0 C57
2021-06-01 06:14:03 S 16 25 13.334 -65 34 26.80 V C57
2021-06-01 06:14:03 s 1 +63866.178 0 +385207.17 5440.0 C57
2021-06-01 06:24:03 S 16 25 11.328 -65 34 54.34 V C57
2021-06-01 06:24:03 s 1 +63522.051 0 +385396.33 790.0 C57
2021-06-01 06:54:03 S 16 25 04.594 -65 35 44.45 V C57
2021-06-01 06:54:03 s 1 +62488.731 0 +385958.30 5270.0 C57
2021-06-01 07:04:03 S 16 25 01.303 -65 36 10.04 V C57
2021-06-01 07:04:03 s 1 +62143.981 0 +386143.79 9570.0 C57
2021-06-01 08:04:03 S 16 24 46.946 -65 38 05.82 V C57
2021-06-01 08:04:03 s 1 +60072.297 0 +387237.47 170.0 C57
2021-06-01 08:34:03 S 16 24 39.470 -65 39 04.64 V C57
2021-06-01 08:34:03 s 1 +59034.451 0 +387771.96 7190.0 C57
2021-06-01 08:44:03 S 16 24 38.599 -65 39 21.06 V C57
2021-06-01 08:44:03 s 1 +58688.212 0 +387948.29 9060.0 C57
2021-06-01 08:54:03 S 16 24 35.306 -65 39 33.52 V C57
2021-06-01 08:54:03 s 1 +58341.830 0 +388123.71 700.0 C57
2021-06-01 09:04:03 S 16 24 34.219 -65 39 50.87 V C57