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
2018-12-28 11:52:50 C 05 56 01.20 +57 37 53.1 V T05
2019-01-08 04:52:32 C 04 53 27.36 +64 18 34.9 V 703
2019-01-08 05:11:15 C 04 53 21.66 +64 18 57.8 V 703
2019-01-08 05:20:28 C 04 53 18.95 +64 19 09.1 V 703
2019-01-11 09:15:58 C 04 30 20.03 +65 42 10.1 V T08
2019-01-11 09:40:48 C 04 30 12.14 +65 42 32.5 V T08
2019-01-11 09:43:27 C 04 30 11.14 +65 42 35.1 V T08
2019-01-11 10:03:38 C 04 30 04.57 +65 42 54.1 V T08
2019-01-13 10:05:33 C 04 14 56.48 +66 25 30.4 V T05
2019-01-13 10:17:00 C 04 14 52.72 +66 25 39.9 V T05
2019-01-13 10:18:58 C 04 14 52.08 +66 25 40.5 V T05
2019-01-13 10:20:57 C 04 14 51.40 +66 25 42.1 V T05
2019-01-13 10:46:30 C 04 14 43.01 +66 26 00.8 V T05
2019-01-13 11:09:32 C 04 14 35.37 +66 26 17.6 V T05
2019-01-25 07:36:24 C 02 46 27.65 +68 20 42.5 V T05
2019-01-25 07:37:43 C 02 46 27.36 +68 20 42.9 V T05
2019-01-25 08:01:10 C 02 46 20.42 +68 20 42.7 V T05
2019-01-25 08:20:44 C 02 46 14.62 +68 20 42.9 V T05
2019-01-27 07:05:56 C 02 33 21.71 +68 22 19.7 V T08
2019-01-27 07:14:01 C 02 33 19.29 +68 22 19.8 V T08
2019-01-27 07:22:43 C 02 33 16.91 +68 22 19.2 V T08
2019-01-27 07:33:27 C 02 33 13.79 +68 22 17.9 V T08
2019-01-27 07:35:26 C 02 33 13.29 +68 22 17.9 V T08
2019-01-27 07:53:00 C 02 33 08.21 +68 22 18.3 V T08
2019-01-27 07:58:18 C 02 33 07.03 +68 22 17.0 V T08
2019-01-29 12:06:37 S 02 19 34.411 +68 20 10.03 L C51
2019-01-30 00:41:10 S 02 16 25.262 +68 19 10.92 L C51
2019-01-30 05:23:44 S 02 15 15.396 +68 18 47.95 L C51
2021-09-04 14:01:37 C 02 55 26.684 -01 53 09.60 U F51
2021-09-04 14:19:32 C 02 55 26.567 -01 53 12.54 U F51
2021-09-04 14:37:17 C 02 55 26.461 -01 53 15.71 U F51
2021-10-04 11:07:20 C 02 31 39.866 -04 34 27.78 U F52
2021-10-04 11:24:51 C 02 31 38.728 -04 34 32.14 U F52
2021-10-04 11:42:22 C 02 31 37.588 -04 34 36.17 U F52
2021-10-06 14:02:42 C 02 28 22.257 -04 46 12.51 U F51
2021-10-06 14:20:48 C 02 28 21.007 -04 46 16.61 U F51
2021-10-06 14:38:55 C 02 28 19.776 -04 46 20.57 U F51
2021-10-06 14:56:59 C 02 28 18.548 -04 46 24.78 U F51
2021-10-13 09:41:54 C 02 16 41.388 -05 19 47.62 U F52
2021-10-13 10:01:14 C 02 16 39.872 -05 19 51.10 U F52
2021-10-13 10:20:30 C 02 16 38.372 -05 19 54.60 U F52
2021-10-13 10:39:44 C 02 16 36.859 -05 19 58.21 U F52
2021-10-29 07:35:58 C 01 45 58.166 -05 55 44.59 U F51
2021-10-29 07:51:48 C 01 45 56.851 -05 55 44.64 U F51
2021-10-29 08:07:37 C 01 45 55.548 -05 55 44.59 U F51
2021-11-06 07:13:11 C 01 31 12.356 -05 43 49.43 U F52
2021-11-06 07:33:19 C 01 31 10.858 -05 43 47.05 U F52
2021-11-06 08:13:39 C 01 31 07.837 -05 43 42.32 U F52
2021-11-09 06:22:30 C 01 26 11.767 -05 33 55.92 U F51
2021-11-09 07:03:27 C 01 26 08.859 -05 33 49.41 U 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)