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
2021-06-03 06:24:03 S 16 13 08.938 -67 04 54.73 V C57
2021-06-03 06:24:03 s 1 -38636.229 0 +402869.77 7250.0 C57
2021-06-03 06:34:03 S 16 13 06.252 -67 05 09.24 V C57
2021-06-03 06:34:03 s 1 -38990.177 0 +402804.55 7450.0 C57
2021-06-03 08:34:03 S 16 12 35.443 -67 08 51.07 V C57
2021-06-03 08:34:03 s 1 -43231.004 0 +401954.40 1820.0 C57
2021-06-03 10:04:03 S 16 12 09.662 -67 11 33.94 V C57
2021-06-03 10:04:03 s 1 -46403.136 0 +401235.00 7150.0 C57
2021-06-03 10:14:03 S 16 12 07.762 -67 11 49.96 V C57
2021-06-03 10:14:03 s 1 -46755.117 0 +401150.74 9120.0 C57
2021-06-03 10:24:03 S 16 12 05.309 -67 12 05.83 V C57
2021-06-03 10:24:03 s 1 -47107.000 0 +401065.61 690.0 C57
2021-06-03 11:34:03 S 16 11 46.238 -67 14 13.42 V C57
2021-06-03 11:34:03 s 1 -49567.350 0 +400445.44 360.0 C57
2021-06-03 12:54:03 S 16 11 22.133 -67 16 49.94 V C57
2021-06-03 12:54:03 s 1 -52372.862 0 +399684.66 4970.0 C57
2021-06-03 13:54:03 S 16 11 07.159 -67 18 31.57 V C57
2021-06-03 13:54:03 s 1 -54472.337 0 +399077.64 7780.0 C57
2021-06-03 14:04:03 S 16 11 04.075 -67 18 53.89 V C57
2021-06-03 14:04:03 s 1 -54821.847 0 +398973.43 40.0 C57
2021-06-03 14:14:03 S 16 11 01.913 -67 19 07.61 V C57
2021-06-03 14:14:03 s 1 -55171.240 0 +398868.35 1840.0 C57
2021-06-03 15:14:03 S 16 10 46.423 -67 20 55.46 V C57
2021-06-03 15:14:03 s 1 -57265.090 0 +398219.63 3100.0 C57
2021-06-03 15:34:03 S 16 10 40.212 -67 21 35.17 V C57
2021-06-03 15:34:03 s 1 -57962.066 0 +397996.44 9830.0 C57
2021-06-03 16:44:03 S 16 10 19.954 -67 23 34.33 V C57
2021-06-03 16:44:03 s 1 -60397.514 0 +397187.86 3480.0 C57
2021-06-03 17:24:03 S 16 10 09.821 -67 24 49.54 V C57
2021-06-03 17:24:03 s 1 -61786.349 0 +396706.67 7810.0 C57
2021-06-03 17:34:03 S 16 10 05.436 -67 25 16.39 V C57
2021-06-03 17:34:03 s 1 -62133.225 0 +396584.19 160.0 C57
2021-06-03 18:04:03 S 16 09 58.469 -67 26 04.96 V C57
2021-06-03 18:04:03 s 1 -63173.044 0 +396211.54 4240.0 C57
2021-06-03 18:14:03 S 16 09 56.527 -67 26 27.60 V C57
2021-06-03 18:14:03 s 1 -63519.378 0 +396085.57 4590.0 C57
2021-06-03 18:34:03 S 16 09 51.468 -67 27 01.37 V C57
2021-06-03 18:34:03 s 1 -64211.630 0 +395831.03 3790.0 C57
2021-06-03 18:44:03 S 16 09 46.272 -67 27 24.62 V C57
2021-06-03 18:44:03 s 1 -64557.547 0 +395702.46 2620.0 C57
2021-06-03 18:54:03 S 16 09 44.894 -67 27 40.50 V C57
2021-06-03 18:54:03 s 1 -64903.324 0 +395573.00 940.0 C57
2021-06-03 19:04:03 S 16 09 41.170 -67 27 56.56 V C57
2021-06-03 19:04:03 s 1 -65248.959 0 +395442.68 8750.0 C57
2021-06-03 19:14:03 S 16 09 39.125 -67 28 15.96 V C57
2021-06-03 19:14:03 s 1 -65594.453 0 +395311.48 6040.0 C57
2021-06-03 19:34:03 S 16 09 33.494 -67 28 47.32 V C57
2021-06-03 19:34:03 s 1 -66285.010 0 +395046.47 9060.0 C57
2021-06-03 19:44:03 S 16 09 30.230 -67 29 06.50 V C57
2021-06-03 19:44:03 s 1 -66630.071 0 +394912.66 4780.0 C57