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
2021-11-09 07:23:57 C 01 26 07.419 -05 33 46.13 U F51
2023-10-16 13:25:26 C 07 10 49.165 +25 48 56.40 X F52
2023-10-16 13:42:52 C 07 10 50.732 +25 49 02.10 X F52
2023-10-16 14:00:21 C 07 10 52.322 +25 49 07.83 X F52
2023-11-11 11:49:03 C 08 12 40.946 +30 15 04.43 V V00
2023-11-11 11:56:58 C 08 12 41.785 +30 15 08.82 V V00
2023-11-11 12:04:53 C 08 12 42.624 +30 15 13.39 V V00
2023-11-11 12:12:50 C 08 12 43.463 +30 15 17.93 V V00
2023-11-22 12:29:32 C 08 43 21.770 +33 10 09.66 V G96
2023-11-22 12:35:38 C 08 43 22.523 +33 10 14.84 V G96
2023-11-22 12:41:45 C 08 43 23.203 +33 10 19.81 V G96
2023-11-22 12:47:51 C 08 43 23.927 +33 10 25.43 V G96
2023-12-11 14:23:30 C 09 51 55.078 +40 27 16.67 V T08
2023-12-11 14:28:21 C 09 51 55.860 +40 27 23.00 V T08
2023-12-11 14:47:41 C 09 51 59.347 +40 27 45.22 V T08
2023-12-11 15:00:10 C 09 52 01.637 +40 27 59.18 V T08
2023-12-18 07:38:44 C 10 24 42.664 +43 39 51.01 V G96
2023-12-18 07:46:14 C 10 24 44.334 +43 40 00.62 V G96
2023-12-18 07:53:44 C 10 24 45.997 +43 40 10.27 V G96
2023-12-18 08:01:14 C 10 24 47.642 +43 40 19.70 V G96
2023-12-29 08:25:06 C 11 35 41.824 +48 53 15.58 V G96
2023-12-29 08:32:39 C 11 35 44.185 +48 53 24.07 V G96
2023-12-29 08:40:15 C 11 35 46.547 +48 53 32.32 V G96
2023-12-29 08:47:50 C 11 35 48.919 +48 53 40.67 V G96
2023-12-29 09:24:51 C 11 36 00.450 +48 54 20.63 V 703
2023-12-29 09:31:32 C 11 36 02.466 +48 54 28.58 V 703
2023-12-29 09:34:53 C 11 36 03.564 +48 54 32.87 V 703
2023-12-30 15:09:18 C 11 45 36.816 +49 24 48.85 X F52
2023-12-30 15:19:36 C 11 45 40.091 +49 24 59.02 X F52
2023-12-30 15:30:02 C 11 45 43.431 +49 25 09.43 X F52
2024-01-01 10:35:23 C 12 00 18.990 +50 05 27.42 V 703
2024-01-01 10:38:48 C 12 00 20.182 +50 05 30.08 V 703
2024-01-01 10:42:14 C 12 00 21.298 +50 05 31.70 V 703
2024-01-01 10:45:39 C 12 00 22.468 +50 05 36.42 V 703
2024-01-01 14:11:12 C 12 01 33.783 +50 08 42.23 X F51
2024-01-01 14:24:19 C 12 01 38.232 +50 08 54.08 X F51
2024-01-01 14:37:25 C 12 01 42.654 +50 09 05.88 X F51
2024-01-01 14:50:31 C 12 01 47.084 +50 09 17.58 X F51
2024-01-08 15:17:06 C 13 05 24.463 +51 48 53.24 V T08
2024-01-08 15:21:06 C 13 05 26.014 +51 48 54.36 V T08
2024-01-08 15:35:52 C 13 05 31.757 +51 48 58.72 V T08
2024-01-08 15:52:35 C 13 05 38.359 +51 49 03.25 V T08
2024-01-11 12:03:16 C 13 33 28.422 +51 55 23.52 V 703
2024-01-11 12:06:24 C 13 33 29.552 +51 55 23.38 V 703
2024-01-11 12:09:32 C 13 33 30.701 +51 55 22.19 V 703
2024-01-11 12:12:40 C 13 33 32.047 +51 55 21.54 V 703
2024-01-14 12:46:45 C 14 03 33.592 +51 36 44.35 V 703
2024-01-14 12:49:54 C 14 03 34.841 +51 36 43.09 V 703
2024-01-14 12:53:02 C 14 03 36.148 +51 36 43.31 V 703
2024-01-14 12:56:10 C 14 03 37.336 +51 36 40.39 V 703
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)