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
2021-06-04 23:54:03 S 16 01 19.939 -68 19 17.69 V C57
2021-06-04 23:54:03 s 1 -122120.45 9 +359557.72 4530.0 C57
2021-06-05 01:54:03 S 16 00 43.346 -68 22 42.56 V C57
2021-06-05 01:54:03 s 1 -125781.23 8 +356063.24 9690.0 C57
2021-06-05 02:24:03 S 16 00 33.931 -68 23 38.47 V C57
2021-06-05 02:24:03 s 1 -126689.11 5 +355168.68 8030.0 C57
2021-06-05 02:34:03 S 16 00 30.948 -68 23 45.82 V C57
2021-06-05 02:34:03 s 1 -126991.07 8 +354868.63 2070.0 C57
2021-06-05 02:54:03 S 16 00 23.551 -68 24 29.59 V C57
2021-06-05 02:54:03 s 1 -127593.99 9 +354265.72 7010.0 C57
2021-06-05 04:04:03 S 16 00 04.116 -68 26 26.59 V C57
2021-06-05 04:04:03 s 1 -129693.55 7 +352126.06 1020.0 C57
2021-06-05 04:24:03 S 15 59 57.574 -68 27 05.26 V C57
2021-06-05 04:24:03 s 1 -130290.34 1 +351506.29 6820.0 C57
2021-06-05 07:14:03 S 15 59 03.869 -68 32 01.54 V C57
2021-06-05 07:14:03 s 1 -135305.72 5 +346086.04 8310.0 C57
2021-06-05 08:44:03 S 15 58 36.682 -68 34 35.26 V C57
2021-06-05 08:44:03 s 1 -137917.96 2 +343105.65 7390.0 C57
2021-06-05 09:14:03 S 15 58 26.275 -68 35 15.36 V C57
2021-06-05 09:14:03 s 1 -138781.85 7 +342095.03 9310.0 C57
2021-06-05 11:04:03 S 15 57 53.734 -68 38 32.32 V C57
2021-06-05 11:04:03 s 1 -141919.33 0 +338315.74 3750.0 C57
2021-06-05 11:24:03 S 15 57 47.261 -68 39 07.06 V C57
2021-06-05 11:24:03 s 1 -142484.58 9 +337616.12 2280.0 C57
2021-06-05 11:54:03 S 15 57 38.107 -68 40 00.19 V C57
2021-06-05 11:54:03 s 1 -143329.42 5 +336559.45 5730.0 C57
2021-06-05 15:54:03 S 15 56 21.487 -68 46 51.71 V C57
2021-06-05 15:54:03 s 1 -149951.43 1 +327791.94 6580.0 C57
2021-06-05 16:14:03 S 15 56 15.502 -68 47 23.46 V C57
2021-06-05 16:14:03 s 1 -150491.90 2 +327035.95 9620.0 C57
2021-06-05 16:34:03 S 15 56 09.338 -68 47 58.31 V C57
2021-06-05 16:34:03 s 1 -151030.56 5 +326276.02 7180.0 C57
2021-06-05 16:44:03 S 15 56 06.876 -68 48 19.98 V C57
2021-06-05 16:44:03 s 1 -151299.21 4 +325894.59 8900.0 C57
2021-06-05 17:24:03 S 15 55 53.158 -68 49 19.09 V C57
2021-06-05 17:24:03 s 1 -152369.22 4 +324359.00 1880.0 C57
2021-06-05 18:04:03 S 15 55 40.409 -68 50 34.30 V C57
2021-06-05 18:04:03 s 1 -153431.81 3 +322807.62 2430.0 C57
2021-06-05 18:14:03 S 15 55 37.073 -68 50 51.18 V C57
2021-06-05 18:14:03 s 1 -153696.28 9 +322417.30 1530.0 C57
2021-06-05 18:24:03 S 15 55 33.002 -68 51 04.64 V C57
2021-06-05 18:24:03 s 1 -153960.29 1 +322025.99 9200.0 C57
2021-06-05 18:34:03 S 15 55 30.266 -68 51 19.98 V C57
2021-06-05 18:34:03 s 1 -154223.82 0 +321633.69 5450.0 C57
2021-06-05 18:44:03 S 15 55 27.348 -68 51 44.68 V C57
2021-06-05 18:44:03 s 1 -154486.87 4 +321240.40 260.0 C57
2021-06-05 19:44:03 S 15 55 08.659 -68 53 14.39 V C57
2021-06-05 19:44:03 s 1 -156055.10 4 +318859.80 8710.0 C57
2021-06-05 20:24:03 S 15 54 55.625 -68 54 26.24 V C57
2021-06-05 20:24:03 s 1 -157090.85 3 +317252.81 8370.0 C57