418849 (2008 WM64)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1063807079 ± 1.75e-08
Semi-major axis (a)1.0059771785 AU ± 2.92e-10
Inclination (i)33.52300852° ± 6.68e-06
Long. of Asc. Node (Ω)91.42917188° ± 6.33e-07
Arg. of Perihelion (ω)256.77340913° ± 1.57e-06
Mean Anomaly (M)36.71145430° ± 3.98e-06
Mean Motion (n)0.9768549543°/day ± 4.25e-10
Perihelion dist (q)0.89896061 AU ± 1.76e-08
Aphelion dist (Q)1.11299374 AU ± 1.76e-08
Orbital Period1.00897915 yr ± 4.39e-10
Physical Parameters
H (abs. magnitude)20.47
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.283″
Uncertainty0
Orbit TypeApollo
MOID0.034485 AU
Observations Used292
Radar Obs Used5
Oppositions1
Arc Total2008-2024
First Observation Used2008-11-24
Last Observation Used2024-01-11
Observations (328)
Date Type RA Dec Mag Band Observatory
2020-01-02 05:57:35 C 01 20 59.48 +33 05 24.6 V T08
2020-01-03 02:52:03 C 01 17 49.59 +35 46 10.5 V G96
2020-01-03 03:00:11 C 01 17 48.24 +35 47 08.9 V G96
2020-01-03 03:08:18 C 01 17 46.90 +35 48 07.9 V G96
2020-01-03 03:16:26 C 01 17 45.53 +35 49 06.2 V G96
2020-01-05 02:30:34 C 01 11 22.15 +40 52 48.3 V 703
2020-01-05 02:39:29 C 01 11 20.86 +40 53 38.2 V 703
2020-01-05 02:48:27 C 01 11 19.59 +40 54 28.8 V 703
2020-01-05 02:57:26 C 01 11 18.24 +40 55 19.6 V 703
2020-12-20 07:04:32 C 01 38 10.46 -39 28 12.4 V T08
2020-12-20 07:09:51 C 01 38 09.68 -39 27 16.5 V T08
2020-12-20 07:17:48 C 01 38 08.41 -39 25 51.4 V T08
2020-12-20 07:34:24 C 01 38 05.91 -39 22 55.5 V T08
2020-12-22 06:57:42 C 01 32 19.12 -30 36 53.0 V T05
2020-12-22 07:03:03 C 01 32 18.43 -30 35 50.5 V T05
2020-12-22 07:14:19 C 01 32 16.85 -30 33 39.7 V T05
2020-12-22 07:28:52 C 01 32 14.96 -30 30 49.7 V T05
2020-12-24 06:32:21 C 01 27 16.64 -21 07 43.6 V T08
2020-12-24 06:37:00 C 01 27 16.06 -21 06 45.7 V T08
2020-12-24 06:46:18 C 01 27 15.00 -21 04 52.7 V T08
2020-12-24 07:00:53 C 01 27 13.24 -21 01 53.0 V T08
2020-12-27 03:30:54 C 01 21 06.84 -07 07 55.6 V 703
2020-12-27 03:38:42 C 01 21 06.06 -07 06 23.3 V 703
2020-12-27 03:54:18 C 01 21 04.59 -07 03 16.6 V 703
2020-12-29 06:01:41 C 01 17 20.68 +02 30 55.4 V T08
2020-12-29 06:02:21 C 01 17 20.63 +02 31 02.9 V T08
2020-12-29 06:06:21 C 01 17 20.30 +02 31 46.6 V T08
2020-12-29 06:07:00 C 01 17 20.27 +02 31 53.1 V T08
2020-12-29 06:18:57 C 01 17 19.23 +02 34 04.3 V T08
2020-12-29 06:35:03 C 01 17 17.82 +02 37 00.0 V T08
2020-12-29 06:37:43 C 01 17 17.67 +02 37 29.2 V T08
2021-01-02 03:40:18 C 01 11 43.86 +17 36 47.2 V 703
2021-01-02 03:47:53 C 01 11 43.36 +17 37 50.3 V 703
2021-01-02 03:55:28 C 01 11 42.87 +17 38 54.0 V 703
2021-01-02 04:03:03 C 01 11 42.41 +17 39 55.2 V 703
2021-01-03 07:32:34 C 01 10 21.33 +21 20 22.7 V T08
2021-01-03 07:39:12 C 01 10 20.94 +21 21 12.3 V T08
2021-01-03 07:49:12 C 01 10 20.35 +21 22 28.1 V T08
2021-01-03 08:07:08 C 01 10 19.32 +21 24 44.2 V T08
2021-01-06 03:50:39 C 01 07 34.24 +29 06 21.2 V 703
2021-01-06 03:58:49 C 01 07 33.84 +29 07 10.3 V 703
2021-01-06 04:06:59 C 01 07 33.43 +29 07 59.4 V 703
2021-01-06 04:15:10 C 01 07 33.06 +29 08 48.3 V 703
2021-01-07 05:11:41 C 01 06 43.96 +31 33 38.6 V T08
2021-01-07 05:16:19 C 01 06 43.74 +31 34 04.3 V T08
2021-01-07 05:52:52 C 01 06 42.04 +31 37 26.4 V T08
2021-01-07 06:03:36 C 01 06 41.58 +31 38 25.9 V T08
2021-01-07 06:34:45 C 01 06 40.206 +31 41 15.69 U F52
2021-01-07 06:50:38 C 01 06 39.506 +31 42 42.42 U F52
2021-01-07 07:06:29 C 01 06 38.820 +31 44 08.60 U F52
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-12-18 10:08:00 65153.9382 0.2 Hz 2380 -1 -1
2016-12-21 09:40:00 71749535.73 4 us 2380 -1 -1
2017-12-21 06:26:00 40756829.46 0.5 us 2380 -1 -1
2017-12-21 06:26:00 79324.838 0.2 Hz 2380 -1 -1
2019-12-27 22:43:00 -110336.0455 0.05 Hz 2380 -1 -1
2019-12-27 23:14:00 85381813.12 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)