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
2010-06-03 00:53:21 C 18 16 22.55 +73 02 43.9 u J95
2010-06-03 01:18:58 C 18 16 14.18 +73 03 16.1 u J95
2010-06-03 08:12:42 C 18 14 01.84 +73 12 00.7 u H36
2010-06-03 08:38:24 C 18 13 52.79 +73 12 33.0 u H36
2010-06-03 08:47:07 C 18 13 49.65 +73 12 44.1 u H36
2010-06-03 23:23:39 C 18 08 57.55 +73 31 14.5 u J95
2010-06-03 23:36:56 C 18 08 52.62 +73 31 32.8 u J95
2010-06-03 23:45:24 C 18 08 49.40 +73 31 43.5 u J95
2012-06-06 03:03:02 C 13 57 07.72 +68 29 13.7 t H21
2012-06-06 03:12:53 C 13 57 03.56 +68 28 50.5 t H21
2012-06-06 03:22:48 C 13 56 59.48 +68 28 27.6 t H21
2012-06-07 05:09:00 C 13 47 03.99 +67 25 26.1 t H21
2012-06-07 05:18:33 C 13 47 00.21 +67 25 01.1 t H21
2012-06-07 05:28:22 C 13 46 56.38 +67 24 34.6 t H21
2012-06-12 22:03:57 C 12 59 18.32 +59 51 01.8 t 204
2012-06-12 22:24:08 C 12 59 11.54 +59 49 36.2 t 204
2012-06-12 22:44:11 C 12 59 04.99 +59 48 10.4 t 204
2012-06-22 04:06:49 C 11 58 26.86 +37 41 16.3 o 291
2012-06-22 04:08:17 C 11 58 26.48 +37 41 04.6 o 291
2012-06-22 04:09:30 C 11 58 26.18 +37 40 54.9 o 291
2012-12-09 08:02:40 C 11 18 03.91 +07 35 54.7 u 807
2012-12-09 08:06:46 C 11 18 04.68 +07 36 12.1 u 807
2012-12-09 08:10:52 C 11 18 05.47 +07 36 29.5 u 807
2012-12-09 08:15:09 C 11 18 06.29 +07 36 48.1 u 807
2012-12-09 08:19:05 C 11 18 07.03 +07 37 04.8 u 807
2014-12-01 08:21:00 C 10 15 36.93 -21 04 54.8 u 807
2014-12-01 08:24:50 C 10 15 37.37 -21 04 41.4 u 807
2014-12-01 08:28:28 C 10 15 37.80 -21 04 28.9 u 807
2014-12-01 08:32:34 C 10 15 38.28 -21 04 14.8 u 807
2014-12-10 04:19:21 C 10 46 55.30 -04 46 48.1 t 204
2014-12-10 04:49:33 C 10 47 00.29 -04 43 49.2 t 204
2014-12-12 10:39:23 C 10 56 50.42 +00 54 23.7 u H21
2014-12-12 10:42:01 C 10 56 50.88 +00 54 41.2 u H21
2014-12-12 10:44:01 C 10 56 51.22 +00 54 54.6 u H21
2014-12-12 10:46:38 C 10 56 51.70 +00 55 12.0 u H21
2015-01-06 04:56:58 C 14 17 12.38 +64 24 08.1 t 204
2015-01-06 05:15:10 C 14 17 21.23 +64 25 01.1 t 204
2015-01-06 05:33:21 C 14 17 30.04 +64 25 54.0 t 204
2015-11-29 06:40:06 C 09 54 07.40 -34 28 17.8 u 807
2015-11-29 06:43:31 C 09 54 07.65 -34 28 09.0 u 807
2015-11-29 06:47:06 C 09 54 07.96 -34 27 59.4 u 807
2015-11-29 06:50:20 C 09 54 08.24 -34 27 51.8 u 807
2015-11-29 06:53:56 C 09 54 08.49 -34 27 42.3 u 807
2015-11-30 07:59:39 C 09 56 19.93 -33 19 40.3 u 807
2015-11-30 08:03:52 C 09 56 20.29 -33 19 28.5 u 807
2015-11-30 08:08:17 C 09 56 20.64 -33 19 16.8 u 807
2015-11-30 08:12:17 C 09 56 20.96 -33 19 05.4 u 807
2015-11-30 08:16:43 C 09 56 21.32 -33 18 52.9 u 807
2015-12-16 12:08:01 C 10 47 52.92 +03 44 08.6 R G45
2015-12-16 12:16:10 C 10 47 54.37 +03 45 31.4 R G45
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)