170502 (2003 WM7)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8819492012 ± 2.67e-08
Semi-major axis (a)2.4693887331 AU ± 9.01e-09
Inclination (i)10.52054410° ± 7.29e-06
Long. of Asc. Node (Ω)48.22954250° ± 1.50e-05
Arg. of Perihelion (ω)144.18695460° ± 1.95e-05
Mean Anomaly (M)199.28117270° ± 7.48e-06
Mean Motion (n)0.2539967050°/day ± 1.39e-09
Perihelion dist (q)0.29151331 AU ± 6.59e-08
Aphelion dist (Q)4.64726415 AU ± 6.81e-08
Orbital Period3.88046878 yr ± 2.12e-08
Physical Parameters
H (abs. magnitude)17.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.349″
Uncertainty0
Orbit TypeApollo
MOID0.072976 AU
Observations Used517
Radar Obs Used3
Oppositions6
Arc Total2003-2011
First Observation Used2003-11-18
Last Observation Used2019-10-03
Observations (544)
Date Type RA Dec Mag Band Observatory
2011-11-27 16:25:46 C 03 45 22.93 +35 22 53.2 u C73
2011-11-27 16:26:34 C 03 45 22.56 +35 22 54.5 u C73
2011-11-27 16:27:19 C 03 45 22.24 +35 22 56.4 u C73
2011-11-27 16:28:05 C 03 45 21.94 +35 22 57.8 u C73
2011-11-27 16:28:50 C 03 45 21.63 +35 22 59.4 u C73
2011-11-27 16:29:38 C 03 45 21.19 +35 23 01.0 u C73
2011-11-27 16:30:24 C 03 45 20.90 +35 23 02.5 u C73
2011-11-27 16:31:09 C 03 45 20.51 +35 23 04.2 u C73
2011-11-27 16:31:58 C 03 45 20.19 +35 23 05.9 u C73
2011-11-27 16:32:45 C 03 45 19.84 +35 23 07.5 u C73
2011-11-27 16:33:31 C 03 45 19.52 +35 23 09.1 u C73
2011-11-27 16:34:18 C 03 45 19.13 +35 23 10.5 u C73
2011-11-27 16:35:04 C 03 45 18.84 +35 23 12.1 u C73
2011-11-27 16:35:53 C 03 45 18.52 +35 23 13.6 u C73
2011-11-27 16:36:40 C 03 45 18.17 +35 23 15.2 u C73
2011-11-28 17:39:40 C 03 33 31.17 +36 13 56.6 o A92
2011-11-28 17:46:28 C 03 33 27.63 +36 14 12.6 o A92
2011-11-28 18:00:15 C 03 33 20.47 +36 14 40.5 o A92
2011-11-28 18:09:16 C 03 33 15.85 +36 14 59.3 o A92
2011-11-28 18:18:16 C 03 33 11.11 +36 15 18.3 o A92
2011-11-28 20:17:36 C 03 32 08.69 +36 19 28.4 u 089
2011-11-28 20:26:24 C 03 32 04.07 +36 19 46.5 u 089
2011-11-28 20:29:21 C 03 32 02.50 +36 19 52.6 u 089
2011-11-28 20:32:18 C 03 32 00.99 +36 19 59.2 u 089
2011-11-28 20:38:12 C 03 31 57.82 +36 20 10.6 u 089
2011-11-29 20:08:06 C 03 18 52.06 +37 09 03.0 14.9 c 583
2011-11-29 20:08:41 C 03 18 51.71 +37 09 04.1 15.1 c 583
2011-11-29 20:12:36 C 03 18 49.31 +37 09 12.2 14.7 c 583
2011-11-29 20:12:54 C 03 18 49.12 +37 09 12.8 14.8 c 583
2011-11-29 20:13:15 C 03 18 48.90 +37 09 13.5 14.5 c 583
2011-11-29 20:17:34 C 03 18 46.26 +37 09 22.6 15.2 c 583
2011-11-29 20:17:49 C 03 18 46.11 +37 09 23.2 14.8 c 583
2011-11-29 20:18:09 C 03 18 45.89 +37 09 23.8 15.6 c 583
2011-11-29 20:20:12 C 03 18 44.65 +37 09 28.0 14.8 c 583
2011-11-29 20:20:27 C 03 18 44.50 +37 09 28.6 15.0 c 583
2011-11-29 20:20:47 C 03 18 44.31 +37 09 29.4 14.9 c 583
2011-11-29 22:24:46 C 03 17 27.92 +37 13 45.8 15.3 c 583
2011-11-29 22:25:06 C 03 17 27.71 +37 13 46.7 15.1 c 583
2011-11-29 22:30:50 C 03 17 24.18 +37 13 58.4 15.3 c 583
2011-11-29 22:31:05 C 03 17 24.01 +37 13 58.8 15.2 c 583
2011-11-29 22:31:27 C 03 17 23.77 +37 13 59.8 15.3 c 583
2011-11-29 22:34:52 C 03 17 21.66 +37 14 06.6 14.8 c 583
2011-11-29 22:35:07 C 03 17 21.51 +37 14 07.2 15.2 c 583
2011-11-29 22:35:27 C 03 17 21.30 +37 14 07.7 15.3 c 583
2011-11-29 22:38:04 C 03 17 19.66 +37 14 13.0 14.9 c 583
2011-11-29 22:38:19 C 03 17 19.55 +37 14 13.5 15.3 c 583
2011-11-29 22:38:39 C 03 17 19.30 +37 14 14.4 15.4 c 583
2011-11-30 10:08:22 C 03 10 02.823 +37 38 25.40 L F51
2011-11-30 10:47:21 C 03 09 36.550 +37 39 44.15 L F51
2011-11-30 11:06:55 C 03 09 23.313 +37 40 23.50 L F51
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2011-12-08 21:50:00 26286.3197 0.25 Hz 2380 -1 -1
2011-12-08 23:07:00 122256038.1 2 us 2380 -1 -1
2011-12-13 21:11:00 142882995.43 0.4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)