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
2018-12-26 17:46:41 C 02 54 27.99 +31 58 12.9 q C23
2018-12-26 17:48:44 C 02 54 26.50 +31 58 53.2 q C23
2018-12-26 20:33:48 C 02 52 24.35 +32 51 59.7 U 108
2018-12-26 20:37:29 C 02 52 21.64 +32 53 08.6 U 108
2018-12-26 20:48:48 C 02 52 13.32 +32 56 41.1 q 160
2018-12-26 20:49:14 C 02 52 13.02 +32 56 49.6 U 108
2018-12-26 20:52:02 C 02 52 10.96 +32 57 41.4 q 160
2018-12-26 20:52:55 C 02 52 10.28 +32 57 58.2 U 108
2018-12-26 20:55:16 C 02 52 08.57 +32 58 41.9 q 160
2018-12-28 08:41:10 C 02 28 31.93 +42 16 40.9 V T05
2018-12-28 08:55:05 C 02 28 22.74 +42 19 34.9 V T05
2018-12-28 09:08:06 C 02 28 14.17 +42 22 17.1 V T05
2018-12-28 09:23:54 C 02 28 03.81 +42 25 33.1 V T05
2018-12-28 09:24:34 C 02 28 03.38 +42 25 41.4 V T05
2018-12-28 09:33:35 C 02 27 57.49 +42 27 32.9 V T05
2018-12-29 19:38:32 C 02 08 16.84 +48 27 29.4 q A06
2018-12-29 19:42:35 C 02 08 14.45 +48 28 04.9 q A06
2018-12-29 19:46:55 C 02 08 11.94 +48 28 43.1 q A06
2018-12-30 19:37:06 C 01 55 47.18 +51 34 27.9 a 233
2018-12-30 19:40:22 C 01 55 45.48 +51 34 49.5 a 233
2018-12-30 19:41:51 C 01 55 44.68 +51 34 59.8 a 233
2018-12-30 19:47:40 C 01 55 41.52 +51 35 40.2 a 233
2018-12-30 19:49:41 C 01 55 40.54 +51 35 53.8 a 233
2019-01-09 07:34:00 C 00 43 07.75 +63 27 34.7 V T05
2019-01-09 07:47:50 C 00 43 04.82 +63 27 50.8 V T05
2019-01-09 08:02:28 C 00 43 02.02 +63 28 08.3 V T05
2019-01-09 08:12:43 C 00 42 59.94 +63 28 21.2 V T05
2019-12-24 19:54:36 C 02 05 36.39 -13 24 37.3 V C95
2019-12-24 20:01:53 C 02 05 34.03 -13 22 22.7 V C95
2019-12-24 20:09:12 C 02 05 31.68 -13 20 08.0 V C95
2019-12-27 19:11:19 C 01 46 29.99 +07 24 11.2 V 160
2019-12-27 19:13:54 C 01 46 29.33 +07 24 51.9 V 160
2019-12-27 19:16:29 C 01 46 28.68 +07 25 33.2 V 160
2019-12-28 19:42:00 C 01 40 51.43 +13 34 17.3 V 160
2019-12-28 19:44:53 C 01 40 50.75 +13 34 57.7 V 160
2019-12-28 19:47:44 C 01 40 50.03 +13 35 39.2 V 160
2019-12-29 20:10:56 C 01 35 38.89 +19 04 39.1 q 160
2019-12-29 20:13:16 C 01 35 38.37 +19 05 07.9 q 160
2019-12-29 20:15:37 C 01 35 37.81 +19 05 38.1 q 160
2019-12-30 19:54:35 C 01 30 59.43 +23 47 50.1 V 160
2019-12-30 19:57:38 C 01 30 58.75 +23 48 24.3 V 160
2019-12-30 20:00:37 C 01 30 58.15 +23 48 58.0 V 160
2020-01-01 20:40:18 C 01 22 26.85 +31 47 07.4 V 130
2020-01-01 20:45:48 C 01 22 25.89 +31 47 53.9 V 130
2020-01-01 20:52:16 C 01 22 24.77 +31 48 48.7 V 130
2020-01-02 03:03:44 C 01 21 24.62 +32 40 56.5 q I15
2020-01-02 03:14:37 C 01 21 22.84 +32 42 24.7 q I15
2020-01-02 03:18:23 C 01 21 22.20 +32 42 55.5 q I15
2020-01-02 05:44:42 C 01 21 01.82 +33 03 39.7 V T08
2020-01-02 05:48:48 C 01 21 01.08 +33 04 12.9 V T08
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)