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
2021-11-20 13:14:13 S 00 21 54.58 -35 08 20.7 L C51
2021-11-20 13:14:25 S 00 21 54.71 -35 08 20.4 L C51
2021-11-20 14:48:28 S 00 21 54.94 -35 03 01.9 L C51
2021-11-21 01:47:19 S 00 21 57.24 -34 25 55.3 L C51
2021-11-21 08:03:46 S 00 21 58.73 -34 04 49.9 L C51
2021-11-21 14:20:13 S 00 22 00.69 -33 43 45.0 L C51
2021-11-21 17:28:21 S 00 22 01.49 -33 33 12.4 L C51
2021-11-21 23:44:48 S 00 22 03.482 -33 12 13.32 L C51
2021-11-23 07:39:08 C 00 22 16.66 -31 26 24.3 V T05
2021-11-23 07:43:46 C 00 22 16.69 -31 26 09.1 V T05
2021-11-23 07:51:40 C 00 22 16.78 -31 25 42.9 V T05
2021-11-23 08:07:29 C 00 22 16.84 -31 24 50.5 V T05
2021-11-27 07:18:42 C 00 23 24.24 -26 18 14.6 V T05
2021-11-27 07:23:19 C 00 23 24.32 -26 17 59.6 V T05
2021-11-27 07:31:53 C 00 23 24.43 -26 17 33.6 V T05
2021-11-27 07:46:22 C 00 23 24.60 -26 16 47.1 V T05
2021-11-29 03:55:21 C 00 24 08.39 -24 00 06.7 V 703
2021-11-29 04:10:28 C 00 24 08.68 -23 59 20.9 V 703
2021-11-29 04:18:01 C 00 24 08.77 -23 58 56.8 V 703
2021-12-05 04:37:51 C 00 27 18.69 -16 59 26.4 V 703
2021-12-05 04:46:06 C 00 27 19.01 -16 59 02.7 V 703
2021-12-05 04:54:21 C 00 27 19.18 -16 58 40.1 V 703
2021-12-06 02:30:30 C 00 27 53.66 -15 59 38.1 V G96
2021-12-06 02:38:40 C 00 27 53.85 -15 59 15.9 V G96
2021-12-06 02:46:50 C 00 27 54.06 -15 58 53.8 V G96
2021-12-06 02:55:00 C 00 27 54.23 -15 58 31.7 V G96
2021-12-09 03:04:49 C 00 29 57.58 -12 48 35.0 V 703
2021-12-09 03:29:39 C 00 29 58.05 -12 47 31.8 V 703
2021-12-16 06:01:14 C 00 35 41.605 -06 01 44.73 U F52
2021-12-16 06:18:45 C 00 35 42.207 -06 01 06.12 U F52
2021-12-16 06:36:12 C 00 35 42.823 -06 00 27.40 U F52
2022-01-07 02:23:21 C 00 59 04.80 +09 32 44.7 V G96
2022-01-07 02:31:31 C 00 59 05.21 +09 32 56.0 V G96
2022-01-07 02:39:42 C 00 59 05.61 +09 33 08.1 V G96
2022-01-07 02:47:53 C 00 59 06.01 +09 33 19.6 V G96
2022-01-15 06:22:08 C 01 09 37.006 +13 53 44.02 U F52
2022-01-15 06:37:42 C 01 09 37.869 +13 54 03.36 U F52
2022-01-15 07:08:52 C 01 09 39.568 +13 54 41.93 U F52
2024-04-08 14:13:40 C 15 28 10.648 +05 09 20.02 X F52
2024-04-08 14:27:53 C 15 28 09.957 +05 09 19.00 X F52
2024-04-08 14:56:14 C 15 28 08.549 +05 09 17.46 X F52
2024-04-12 10:22:13 C 15 23 27.823 +05 02 56.18 V G96
2024-04-12 10:29:38 C 15 23 27.431 +05 02 55.57 V G96
2024-04-12 10:37:02 C 15 23 27.006 +05 02 55.25 V G96
2024-04-12 10:44:28 C 15 23 26.596 +05 02 54.35 V G96
2024-04-29 11:31:01 C 14 56 04.225 +03 56 27.24 X F52
2024-04-29 11:48:16 C 14 56 02.864 +03 56 22.64 X F52
2024-04-29 12:05:25 C 14 56 01.504 +03 56 18.46 X F52
2024-04-29 12:22:28 C 14 56 00.156 +03 56 14.07 X F52
2024-05-03 18:37:10 C 14 47 53.857 +03 27 32.58 O18