476904 (2008 WK32)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3786348172 ± 2.96e-08
Semi-major axis (a)1.3958148033 AU ± 1.10e-09
Inclination (i)15.45566396° ± 3.74e-06
Long. of Asc. Node (Ω)58.74375621° ± 8.33e-06
Arg. of Perihelion (ω)139.93633884° ± 7.87e-06
Mean Anomaly (M)6.62218226° ± 2.96e-06
Mean Motion (n)0.5976825499°/day ± 7.04e-10
Perihelion dist (q)0.86731072 AU ± 4.13e-08
Aphelion dist (Q)1.92431889 AU ± 4.14e-08
Orbital Period1.64907991 yr ± 1.94e-09
Physical Parameters
H (abs. magnitude)19.12
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.274″
Uncertainty0
Orbit TypeApollo
MOID0.069705 AU
Observations Used275
Radar Obs Used3
Oppositions2
Arc Total2008-2014
First Observation Used2008-11-21
Last Observation Used2024-08-15
Observations (292)
Date Type RA Dec Mag Band Observatory
2024-01-16 13:06:06 C 14 23 24.752 +51 09 10.69 V 703
2024-01-16 13:09:14 C 14 23 26.063 +51 09 08.21 V 703
2024-01-16 13:12:22 C 14 23 27.226 +51 09 07.20 V 703
2024-01-16 13:15:30 C 14 23 28.450 +51 09 04.25 V 703
2024-01-18 14:28:23 C 14 43 20.155 +50 28 33.67 V T05
2024-01-18 14:32:56 C 14 43 21.900 +50 28 29.89 V T05
2024-01-18 14:57:05 C 14 43 31.272 +50 28 08.44 V T05
2024-01-18 15:21:01 C 14 43 40.558 +50 27 46.66 V T05
2024-01-20 13:27:03 C 15 01 44.134 +49 38 34.66 V T08
2024-01-20 13:31:58 C 15 01 46.027 +49 38 29.47 V T08
2024-01-20 13:41:44 C 15 01 49.687 +49 38 18.82 V T08
2024-01-20 13:56:08 C 15 01 55.116 +49 38 02.83 V T08
2024-01-22 13:53:30 C 15 19 59.390 +48 36 18.94 V T05
2024-01-22 14:18:02 C 15 20 08.242 +48 35 47.44 V T05
2024-01-22 14:23:15 C 15 20 10.135 +48 35 40.09 V T05
2024-01-22 14:36:42 C 15 20 14.950 +48 35 21.70 V T05
2024-01-24 14:42:31 C 15 37 32.602 +47 23 27.31 V T05
2024-01-24 14:46:27 C 15 37 33.864 +47 23 21.30 V T05
2024-01-24 14:53:40 C 15 37 36.490 +47 23 10.36 V T05
2024-01-24 15:26:47 C 15 37 47.561 +47 22 18.62 V T05
2024-01-26 20:18:20 S 15 55 43.73 +45 52 49.3 L C51
2024-01-26 23:23:54 S 15 56 44.82 +45 47 18.0 L C51
2024-01-27 00:56:52 S 15 57 15.34 +45 44 30.9 L C51
2024-01-27 05:35:25 S 15 58 46.36 +45 36 08.2 L C51
2024-01-27 07:08:11 S 15 59 16.66 +45 33 19.4 L C51
2024-01-27 10:13:56 S 16 00 16.81 +45 27 40.4 L C51
2024-01-30 11:56:05 C 16 23 07.699 +43 04 58.87 V 703
2024-01-30 11:59:27 C 16 23 08.686 +43 04 51.85 V 703
2024-01-30 12:02:49 C 16 23 09.643 +43 04 46.52 V 703
2024-01-30 12:06:11 C 16 23 10.619 +43 04 38.78 V 703
2024-02-03 13:19:18 C 16 50 08.482 +39 36 22.32 V T05
2024-02-03 13:24:32 C 16 50 09.828 +39 36 10.87 V T05
2024-02-03 13:59:23 C 16 50 18.749 +39 34 55.06 V T05
2024-02-03 14:24:51 C 16 50 25.286 +39 33 59.33 V T05
2024-07-27 14:19:54 C 00 31 13.891 -37 06 44.55 X F51
2024-07-27 14:25:27 C 00 31 13.675 -37 06 49.09 X F51
2024-07-27 14:31:00 C 00 31 13.469 -37 06 53.52 X F51
2024-07-27 14:36:33 C 00 31 13.221 -37 06 58.19 X F51
2024-08-15 12:49:32 C 00 01 55.566 -42 40 19.27 X F51
2024-08-15 13:00:43 C 00 01 54.493 -42 40 25.63 X F51
2024-08-15 13:11:54 C 00 01 53.397 -42 40 31.84 X F51
2024-08-15 13:23:01 C 00 01 52.324 -42 40 38.10 X F51
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2014-05-24 17:40:00 131670.5106 1 Hz 2380 -1 -1
2014-05-24 18:10:00 92967797.03 4 us 2380 -1 -1
2014-05-25 17:20:00 120665.4177 0.6 Hz 2380 -1 -1
2014-05-25 18:00:00 88486868.27 1 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)