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
2008-11-21 07:54:36 C 03 53 10.25 +20 53 20.4 o 291
2008-11-21 08:01:53 C 03 53 09.44 +20 53 22.8 o 291
2008-11-21 08:09:02 C 03 53 08.68 +20 53 25.5 o 291
2008-11-21 08:43:49 C 03 53 04.89 +20 53 36.4 o 291
2008-11-21 08:49:43 C 03 53 04.25 +20 53 38.4 o 291
2008-11-21 08:55:25 C 03 53 03.62 +20 53 40.3 o 291
2008-11-21 10:01:18 C 03 52 56.45 +20 53 59.9 r H36
2008-11-21 10:12:09 C 03 52 55.38 +20 54 05.1 o 291
2008-11-21 10:15:17 C 03 52 55.00 +20 54 03.9 r H36
2008-11-21 10:18:28 C 03 52 54.70 +20 54 06.9 o 291
2008-11-21 10:27:36 C 03 52 53.71 +20 54 09.8 o 291
2008-11-21 21:44:30 C 03 51 43.34 +20 57 52.5 o A74
2008-11-21 22:02:18 C 03 51 41.40 +20 57 57.9 o A74
2008-11-21 22:19:58 C 03 51 39.50 +20 58 04.2 o A74
2008-11-22 03:41:08 C 03 51 05.82 +20 59 52.6 o H55
2008-11-22 03:45:34 C 03 51 05.36 +20 59 54.2 o H55
2008-11-22 03:50:05 C 03 51 04.84 +20 59 55.8 o H55
2008-11-22 08:26:26 C 03 50 34.99 +21 01 28.9 o 291
2008-11-22 08:32:09 C 03 50 34.36 +21 01 30.7 o 291
2008-11-22 08:39:40 C 03 50 33.53 +21 01 33.1 o 291
2008-11-22 10:38:21 C 03 50 20.62 +21 02 11.1 o 291
2008-11-22 10:44:04 C 03 50 20.00 +21 02 13.1 o 291
2008-11-22 10:49:54 C 03 50 19.38 +21 02 14.9 o 291
2008-11-23 05:28:58 C 03 48 20.61 +21 08 23.2 o H55
2008-11-23 05:40:12 C 03 48 19.37 +21 08 26.8 o H55
2008-11-23 05:50:35 C 03 48 18.23 +21 08 30.3 o H55
2008-11-23 20:23:34 C 03 46 44.97 +21 13 14.0 r J75
2008-11-23 20:43:03 C 03 46 42.82 +21 13 20.8 r J75
2008-11-23 21:02:30 C 03 46 40.71 +21 13 26.9 r J75
2008-11-24 07:35:21 C 03 45 31.62 +21 16 55.3 o 291
2008-11-24 07:41:08 C 03 45 30.99 +21 16 57.1 o 291
2008-11-24 07:46:53 C 03 45 30.31 +21 16 58.7 o 291
2008-11-24 22:40:06 C 03 43 53.82 +21 21 47.4 c J47
2008-11-24 22:45:22 C 03 43 53.22 +21 21 49.2 c J47
2008-11-24 22:49:35 C 03 43 52.73 +21 21 50.6 c J47
2008-11-30 04:47:02 C 03 29 58.56 +22 00 50.1 r G96
2008-11-30 04:52:20 C 03 29 57.94 +22 00 52.1 o 291
2008-11-30 04:55:51 C 03 29 57.55 +22 00 52.9 r G96
2008-11-30 04:58:04 C 03 29 57.28 +22 00 53.8 o 291
2008-11-30 05:03:45 C 03 29 56.64 +22 00 55.6 o 291
2008-11-30 05:05:53 C 03 29 56.40 +22 00 56.0 r G96
2008-11-30 05:13:43 C 03 29 55.50 +22 00 58.4 r G96
2008-12-02 05:03:19 C 03 24 38.01 +22 14 56.7 20.2 c 704
2008-12-02 05:21:15 C 03 24 36.00 +22 15 00.4 19.7 c 704
2008-12-02 05:39:29 C 03 24 33.89 +22 15 05.6 20.3 c 704
2008-12-02 05:57:27 C 03 24 31.84 +22 15 13.1 20.2 c 704
2008-12-05 09:17:40 C 03 16 18.35 +22 36 10.3 o 291
2008-12-05 09:27:51 C 03 16 17.21 +22 36 12.7 o 291
2008-12-05 09:35:10 C 03 16 16.33 +22 36 15.0 o 291
2008-12-06 04:16:24 C 03 14 17.34 +22 41 18.0 o 291
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)