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
2013-12-11 02:02:47 C 04 21 29.59 +34 49 30.5 q 204
2013-12-11 02:17:18 C 04 21 27.57 +34 49 39.9 q 204
2013-12-13 03:15:26 C 04 14 41.83 +35 21 52.8 u H21
2013-12-13 03:20:01 C 04 14 41.19 +35 21 55.8 u H21
2013-12-13 03:24:35 C 04 14 40.56 +35 21 59.0 u H21
2013-12-13 03:29:59 C 04 14 39.75 +35 22 01.4 u H21
2013-12-23 03:25:17 C 03 41 19.59 +37 28 51.8 q 448
2013-12-23 03:47:07 C 03 41 16.58 +37 29 01.2 q 448
2013-12-23 04:08:10 C 03 41 13.65 +37 29 09.9 q 448
2014-01-17 01:50:09 C 02 45 46.95 +40 00 48.9 q 448
2014-01-17 02:19:34 C 02 45 45.45 +40 00 56.3 q 448
2014-01-17 02:59:08 C 02 45 43.50 +40 01 03.9 q 448
2014-01-22 02:32:41 C 02 41 30.14 +40 26 14.5 q G96
2014-01-22 02:39:18 C 02 41 29.94 +40 26 16.1 q G96
2014-01-22 02:45:54 C 02 41 29.78 +40 26 18.0 q G96
2014-01-22 02:52:29 C 02 41 29.51 +40 26 18.9 q G96
2014-06-12 08:38:46 S 06 14 20.143 -66 09 35.64 L C51
2014-06-12 11:48:22 S 06 14 19.241 -66 30 20.88 L C51
2014-07-13 01:21:52 C 18 18 49.63 -79 40 13.5 u 807
2014-07-13 01:28:36 C 18 18 49.39 -79 40 04.0 u 807
2014-07-13 01:34:25 C 18 18 49.40 -79 39 55.8 u 807
2016-08-01 14:32:10 C 02 22 39.22 -04 45 35.5 1 T09
2016-08-01 14:47:31 C 02 22 39.69 -04 45 36.2 1 T09
2016-08-01 15:02:54 C 02 22 40.18 -04 45 36.9 1 T09
2016-09-05 09:17:18 C 02 30 34.21 -07 09 02.3 u H21
2016-09-05 09:31:42 C 02 30 33.88 -07 09 06.6 u H21
2016-09-05 09:47:11 C 02 30 33.54 -07 09 10.9 u H21
2016-09-08 13:52:56 C 02 28 47.217 -07 31 52.69 L F51
2016-09-08 14:13:01 C 02 28 46.618 -07 31 58.85 L F51
2016-09-08 14:32:55 C 02 28 46.053 -07 32 04.68 L F51
2016-09-27 12:11:55 C 02 08 05.073 -09 57 07.51 L F51
2016-09-27 12:28:42 C 02 08 03.964 -09 57 12.40 L F51
2016-09-27 13:02:14 C 02 08 01.748 -09 57 22.51 L F51
2018-11-07 10:16:05 C 06 45 34.20 +28 34 34.2 V G96
2018-11-07 10:23:36 C 06 45 34.51 +28 34 39.1 V G96
2018-11-07 10:31:06 C 06 45 34.77 +28 34 44.2 V G96
2018-12-09 09:24:46 C 06 47 11.40 +43 25 20.4 V G96
2018-12-09 09:32:31 C 06 47 10.96 +43 25 33.5 V G96
2018-12-09 09:40:12 C 06 47 10.54 +43 25 46.2 V G96
2018-12-09 09:47:47 C 06 47 10.11 +43 25 59.1 V G96
2018-12-14 11:01:43 C 06 39 32.863 +47 00 15.74 U F51
2018-12-14 11:19:24 C 06 39 31.362 +47 00 48.36 U F51
2018-12-14 11:37:07 C 06 39 29.853 +47 01 20.70 U F51
2018-12-14 11:54:49 C 06 39 28.338 +47 01 53.27 U F51
2018-12-20 03:58:45 C 06 26 25.32 +51 18 18.5 V 703
2018-12-20 04:06:32 C 06 26 24.41 +51 18 33.8 V 703
2018-12-20 04:14:19 C 06 26 23.46 +51 18 48.0 V 703
2018-12-28 11:04:46 C 05 56 10.92 +57 36 26.8 V T05
2018-12-28 11:27:09 C 05 56 06.36 +57 37 07.2 V T05
2018-12-28 11:31:45 C 05 56 05.45 +57 37 15.2 V T05
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)