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
2018-12-05 05:25:25 C 04 33 03.08 +59 14 14.3 V G96
2018-12-06 11:06:07 C 04 28 15.37 +59 29 19.0 U T08
2018-12-06 11:27:52 C 04 28 11.70 +59 29 28.3 U T08
2018-12-06 11:33:50 C 04 28 10.66 +59 29 30.0 U T08
2018-12-06 11:52:51 C 04 28 07.68 +59 29 40.2 U T08
2018-12-06 11:54:11 C 04 28 07.42 +59 29 42.0 U T08
2019-01-07 04:13:40 C 03 05 01.30 +59 29 32.0 I41
2019-01-07 06:19:54 C 03 04 55.51 +59 29 01.1 I41
2019-01-08 04:09:02 C 03 04 03.04 +59 23 58.0 I41
2019-01-08 05:19:28 C 03 04 00.14 +59 23 40.9 I41
2020-02-29 08:20:59 C 13 38 46.31 +50 46 02.8 u H21
2020-02-29 08:31:11 C 13 38 45.72 +50 46 06.9 u H21
2020-02-29 08:36:04 C 13 38 45.51 +50 46 09.0 u H21
2020-02-29 08:38:10 C 13 38 45.41 +50 46 09.7 u H21
2020-03-01 08:08:32 C 13 37 42.68 +50 55 33.8 u H21
2020-03-01 08:22:21 C 13 37 42.09 +50 55 39.6 u H21
2020-03-01 08:29:28 C 13 37 41.83 +50 55 41.8 u H21
2020-03-04 08:04:33 C 13 34 17.10 +51 22 58.8 u H21
2020-03-04 08:08:56 C 13 34 16.86 +51 23 00.2 u H21
2020-03-04 08:34:24 C 13 34 15.56 +51 23 09.5 u H21
2020-03-04 08:43:10 C 13 34 15.07 +51 23 12.4 u H21
2021-02-16 15:12:46 C 16 39 51.858 -14 41 44.79 U F51
2021-02-16 15:20:12 C 16 39 52.249 -14 41 48.17 U F51
2021-02-16 15:27:38 C 16 39 52.625 -14 41 51.62 U F51
2021-02-16 15:35:04 C 16 39 53.023 -14 41 54.95 U F51
2021-05-28 11:54:03 S 16 44 02.640 -62 39 21.89 V C57
2021-05-28 11:54:03 s 1 +182576.17 0 +125543.49 520.0 C57
2021-05-28 12:14:03 S 16 43 58.034 -62 39 56.20 V C57
2021-05-28 12:14:03 s 1 +182703.23 5 +127200.01 8740.0 C57
2021-05-28 13:04:03 S 16 43 49.440 -62 41 49.88 V C57
2021-05-28 13:04:03 s 1 +182981.68 1 +131314.03 6900.0 C57
2021-05-28 13:14:03 S 16 43 46.901 -62 41 54.35 V C57
2021-05-28 13:14:03 s 1 +183030.76 2 +132132.16 6980.0 C57
2021-05-28 13:54:03 S 16 43 39.072 -62 43 21.83 V C57
2021-05-28 13:54:03 s 1 +183205.52 0 +135389.15 6550.0 C57
2021-05-28 14:04:03 S 16 43 37.219 -62 43 42.46 V C57
2021-05-28 14:04:03 s 1 +183243.88 6 +136199.52 1420.0 C57
2021-05-28 14:14:03 S 16 43 35.138 -62 43 55.34 V C57
2021-05-28 14:14:03 s 1 +183280.14 9 +137008.34 1350.0 C57
2021-05-28 16:04:03 S 16 43 15.142 -62 47 23.78 V C57
2021-05-28 16:04:03 s 1 +183543.95 3 +145803.23 3380.0 C57
2021-05-28 16:14:03 S 16 43 12.413 -62 47 51.14 V C57
2021-05-28 16:14:03 s 1 +183555.97 9 +146593.51 6430.0 C57
2021-05-28 17:14:03 S 16 43 00.516 -62 49 38.78 V C57
2021-05-28 17:14:03 s 1 +183587.80 7 +151302.97 210.0 C57
2021-05-28 17:54:03 S 16 42 54.751 -62 51 03.64 V C57
2021-05-28 17:54:03 s 1 +183571.45 7 +154412.01 1450.0 C57
2021-05-28 18:14:03 S 16 42 49.438 -62 51 41.90 V C57
2021-05-28 18:14:03 s 1 +183552.27 9 +155957.38 6340.0 C57
2021-05-28 18:54:03 S 16 42 41.088 -62 52 57.97 V C57