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
2021-06-11 06:24:03 S 15 04 09.074 -71 50 12.55 V C57
2021-06-11 06:24:03 s 1 +158001.70 4 +20410.101 8180.0 C57
2021-06-11 07:04:03 S 15 03 52.889 -71 50 46.61 V C57
2021-06-11 07:04:03 s 1 +159786.91 2 +24318.823 1200.0 C57
2021-06-11 07:54:03 S 15 03 32.165 -71 51 28.98 V C57
2021-06-11 07:54:03 s 1 +161907.55 9 +29187.651 1950.0 C57
2021-06-11 11:04:03 S 15 02 17.827 -71 54 29.52 V C57
2021-06-11 11:04:03 s 1 +168919.87 1 +47475.318 9680.0 C57
2021-06-11 11:14:03 S 15 02 11.484 -71 54 34.16 V C57
2021-06-11 11:14:03 s 1 +169245.89 8 +48427.110 4360.0 C57
2021-06-11 11:34:03 S 15 02 03.667 -71 54 54.94 V C57
2021-06-11 11:34:03 s 1 +169885.74 6 +50327.182 2340.0 C57
2021-06-11 12:04:03 S 15 01 51.487 -71 55 16.75 V C57
2021-06-11 12:04:03 s 1 +170815.45 6 +53168.342 2090.0 C57
2021-06-11 12:14:03 S 15 01 48.886 -71 55 26.22 V C57
2021-06-11 12:14:03 s 1 +171117.46 2 +54112.965 5070.0 C57
2021-06-11 12:44:03 S 15 01 35.424 -71 55 49.55 V C57
2021-06-11 12:44:03 s 1 +172000.19 9 +56939.401 4310.0 C57
2021-06-11 12:54:03 S 15 01 32.542 -71 55 57.22 V C57
2021-06-11 12:54:03 s 1 +172286.78 0 +57879.036 7740.0 C57
2021-06-11 13:14:03 S 15 01 24.792 -71 56 14.75 V C57
2021-06-11 13:14:03 s 1 +172848.61 4 +59754.485 5600.0 C57
2021-06-11 13:24:03 S 15 01 19.601 -71 56 21.95 V C57
2021-06-11 13:24:03 s 1 +173123.92 2 +60690.281 170.0 C57
2021-06-11 14:14:03 S 15 00 59.609 -71 57 06.88 V C57
2021-06-11 14:14:03 s 1 +174445.46 9 +65349.652 2420.0 C57
2021-06-11 14:34:03 S 15 00 50.566 -71 57 19.26 V C57
2021-06-11 14:34:03 s 1 +174948.92 0 +67204.104 1020.0 C57
2021-06-11 17:24:03 S 14 59 43.886 -72 00 01.04 V C57
2021-06-11 17:24:03 s 1 +178680.03 6 +82744.089 7760.0 C57
2021-06-11 17:34:03 S 14 59 39.226 -72 00 11.34 V C57
2021-06-11 17:34:03 s 1 +178870.38 6 +83645.465 5900.0 C57
2021-06-11 17:44:03 S 14 59 35.674 -72 00 21.20 V C57
2021-06-11 17:44:03 s 1 +179057.64 2 +84545.396 6200.0 C57
2021-06-11 18:34:03 S 14 59 16.166 -72 01 02.46 V C57
2021-06-11 18:34:03 s 1 +179948.27 0 +89023.259 2040.0 C57
2021-06-11 18:44:03 S 14 59 13.066 -72 01 08.76 V C57
2021-06-11 18:44:03 s 1 +180117.41 2 +89914.448 6470.0 C57
2021-06-11 18:54:03 S 14 59 08.434 -72 01 21.83 V C57
2021-06-11 18:54:03 s 1 +180283.60 8 +90804.169 3450.0 C57
2021-06-11 19:14:03 S 14 58 59.866 -72 01 39.68 V C57
2021-06-11 19:14:03 s 1 +180607.24 0 +92579.195 5250.0 C57
2021-06-11 19:24:03 S 14 58 56.928 -72 01 47.78 V C57
2021-06-11 19:24:03 s 1 +180764.71 7 +93464.493 190.0 C57
2021-06-11 19:34:03 S 14 58 51.466 -72 01 55.45 V C57
2021-06-11 19:34:03 s 1 +180919.32 7 +94348.312 7880.0 C57
2021-06-11 19:44:03 S 14 58 46.397 -72 02 01.50 V C57
2021-06-11 19:44:03 s 1 +181071.08 9 +95230.649 8390.0 C57
2021-06-11 19:54:03 S 14 58 45.029 -72 02 11.11 V C57
2021-06-11 19:54:03 s 1 +181220.02 4 +96111.502 1760.0 C57