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
2021-06-18 06:04:01 S 13 52 54.679 -73 46 17.18 V C57
2021-06-18 06:04:01 s 1 -58924.293 0 +397409.15 6240.0 C57
2021-06-18 06:24:01 S 13 52 44.592 -73 46 24.85 V C57
2021-06-18 06:24:01 s 1 -59617.011 0 +397170.90 8530.0 C57
2021-06-18 06:34:01 S 13 52 42.298 -73 46 31.48 V C57
2021-06-18 06:34:01 s 1 -59963.159 0 +397050.47 8900.0 C57
2021-06-18 06:44:01 S 13 52 35.890 -73 46 32.92 V C57
2021-06-18 06:44:01 s 1 -60309.164 0 +396929.16 8750.0 C57
2021-06-18 06:54:01 S 13 52 34.224 -73 46 37.60 V C57
2021-06-18 06:54:01 s 1 -60655.027 0 +396806.99 8070.0 C57
2021-06-18 07:24:01 S 13 52 18.775 -73 46 53.54 V C57
2021-06-18 07:24:01 s 1 -61691.752 0 +396435.23 2880.0 C57
2021-06-18 07:34:01 S 13 52 15.194 -73 46 57.50 V C57
2021-06-18 07:34:01 s 1 -62037.035 0 +396309.57 80.0 C57
2021-06-18 07:44:01 S 13 52 10.070 -73 46 59.66 V C57
2021-06-18 07:44:01 s 1 -62382.172 0 +396183.03 6750.0 C57
2021-06-18 08:04:01 S 13 52 01.498 -73 47 05.68 V C57
2021-06-18 08:04:01 s 1 -63072.001 0 +395927.35 8470.0 C57
2021-06-18 09:24:01 S 13 51 24.749 -73 47 38.11 V C57
2021-06-18 09:24:01 s 1 -65825.273 0 +394869.69 3480.0 C57
2021-06-18 09:34:01 S 13 51 22.459 -73 47 40.88 V C57
2021-06-18 09:34:01 s 1 -66168.738 0 +394733.56 4110.0 C57
2021-06-18 10:24:01 S 13 50 58.046 -73 48 07.56 V C57
2021-06-18 10:24:01 s 1 -67883.687 0 +394039.77 8740.0 C57
2021-06-18 10:44:01 S 13 50 47.323 -73 48 14.98 V C57
2021-06-18 10:44:01 s 1 -68568.544 0 +393756.13 2590.0 C57
2021-06-18 11:24:01 S 13 50 29.652 -73 48 26.57 V C57
2021-06-18 11:24:01 s 1 -69936.292 0 +393178.36 3300.0 C57
2021-06-18 11:34:01 S 13 50 26.830 -73 48 27.94 V C57
2021-06-18 11:34:01 s 1 -70277.815 0 +393031.72 7010.0 C57
2021-06-18 11:54:01 S 13 50 16.452 -73 48 34.67 V C57
2021-06-18 11:54:01 s 1 -70960.357 0 +392735.83 2660.0 C57
2021-06-18 15:04:01 S 13 48 52.183 -73 49 45.70 V C57
2021-06-18 15:04:01 s 1 -77409.768 0 +389749.90 4590.0 C57
2021-06-18 15:14:01 S 13 48 46.370 -73 49 56.14 V C57
2021-06-18 15:14:01 s 1 -77747.404 0 +389583.97 4730.0 C57
2021-06-18 15:44:01 S 13 48 33.780 -73 50 05.39 V C57
2021-06-18 15:44:01 s 1 -78759.189 0 +389080.87 1270.0 C57
2021-06-18 16:24:01 S 13 48 15.408 -73 50 20.08 V C57
2021-06-18 16:24:01 s 1 -80105.578 0 +388397.75 7500.0 C57
2021-06-18 16:34:01 S 13 48 13.140 -73 50 23.14 V C57
2021-06-18 16:34:01 s 1 -80441.695 0 +388224.77 2410.0 C57
2021-06-18 16:44:01 S 13 48 05.465 -73 50 20.65 V C57
2021-06-18 16:44:01 s 1 -80777.618 0 +388050.90 6650.0 C57
2021-06-18 17:04:01 S 13 47 55.990 -73 50 28.93 V C57
2021-06-18 17:04:01 s 1 -81448.877 0 +387700.53 3140.0 C57
2021-06-18 17:34:01 S 13 47 43.790 -73 50 49.31 V C57
2021-06-18 17:34:01 s 1 -82454.288 0 +387168.35 7810.0 C57
2021-06-18 17:54:01 S 13 47 34.841 -73 50 54.10 V C57
2021-06-18 17:54:01 s 1 -83123.566 0 +386809.15 7530.0 C57