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
2011-11-24 00:52:42 C 04 15 10.67 +32 46 39.6 d B66
2011-11-25 14:06:53 C 04 04 16.75 +33 48 58.7 u 379
2011-11-25 14:09:34 C 04 04 15.83 +33 49 03.3 u 379
2011-11-25 14:12:14 C 04 04 14.96 +33 49 08.1 u 379
2011-11-25 14:17:55 C 04 04 13.07 +33 49 18.2 u 379
2011-11-25 14:20:35 C 04 04 12.18 +33 49 22.8 u 379
2011-11-25 14:23:15 C 04 04 11.25 +33 49 27.4 u 379
2011-11-25 14:28:54 C 04 04 09.37 +33 49 37.5 u 379
2011-11-25 14:31:35 C 04 04 08.48 +33 49 42.3 u 379
2011-11-25 14:39:54 C 04 04 05.66 +33 49 56.7 u 379
2011-11-25 14:42:35 C 04 04 04.77 +33 50 01.4 u 379
2011-11-25 14:45:15 C 04 04 03.90 +33 50 06.2 u 379
2011-11-25 22:02:15 C 04 01 39.30 +34 02 57.3 d B66
2011-11-25 22:10:24 C 04 01 36.76 +34 03 07.0 u J93
2011-11-25 22:13:27 C 04 01 35.75 +34 03 12.1 u J93
2011-11-25 22:19:32 C 04 01 33.66 +34 03 23.4 u J93
2011-11-25 23:11:09 C 04 01 15.27 +34 05 01.8 d B66
2011-11-26 14:00:54 C 03 55 58.61 +34 32 20.1 u 379
2011-11-26 14:03:33 C 03 55 57.58 +34 32 25.3 u 379
2011-11-26 14:25:34 C 03 55 49.15 +34 33 06.3 u 379
2011-11-26 14:28:14 C 03 55 48.12 +34 33 11.2 u 379
2011-11-27 01:46:29 C 03 51 24.87 +34 54 25.2 i 071
2011-11-27 01:47:29 C 03 51 24.47 +34 54 27.0 i 071
2011-11-27 01:48:31 C 03 51 24.06 +34 54 28.7 i 071
2011-11-27 01:49:31 C 03 51 23.66 +34 54 30.7 i 071
2011-11-27 01:50:32 C 03 51 23.24 +34 54 32.6 i 071
2011-11-27 01:51:40 C 03 51 22.80 +34 54 34.6 i 071
2011-11-27 01:52:40 C 03 51 22.22 +34 54 38.3 i 071
2011-11-27 01:53:42 C 03 51 21.86 +34 54 40.5 i 071
2011-11-27 01:55:43 C 03 51 21.23 +34 54 42.1 i 071
2011-11-27 08:20:37 C 03 48 45.68 +35 07 19.0 r 703
2011-11-27 08:28:01 C 03 48 42.55 +35 07 33.2 r 703
2011-11-27 08:35:19 C 03 48 39.45 +35 07 47.3 r 703
2011-11-27 08:42:48 C 03 48 36.25 +35 08 01.4 r 703
2011-11-27 16:12:21 C 03 45 28.70 +35 22 26.0 u C73
2011-11-27 16:13:50 C 03 45 28.09 +35 22 28.9 u C73
2011-11-27 16:14:40 C 03 45 27.74 +35 22 30.2 u C73
2011-11-27 16:15:24 C 03 45 27.43 +35 22 32.0 u C73
2011-11-27 16:16:09 C 03 45 27.07 +35 22 33.4 u C73
2011-11-27 16:16:58 C 03 45 26.74 +35 22 35.2 u C73
2011-11-27 16:17:48 C 03 45 26.39 +35 22 36.8 u C73
2011-11-27 16:18:33 C 03 45 26.06 +35 22 38.2 u C73
2011-11-27 16:19:19 C 03 45 25.74 +35 22 39.9 u C73
2011-11-27 16:20:11 C 03 45 25.32 +35 22 41.8 u C73
2011-11-27 16:20:57 C 03 45 25.01 +35 22 43.4 u C73
2011-11-27 16:21:44 C 03 45 24.65 +35 22 44.8 u C73
2011-11-27 16:22:35 C 03 45 24.28 +35 22 46.7 u C73
2011-11-27 16:23:21 C 03 45 23.97 +35 22 48.2 u C73
2011-11-27 16:24:09 C 03 45 23.62 +35 22 49.8 u C73
2011-11-27 16:24:56 C 03 45 23.27 +35 22 51.3 u C73
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)