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
2015-10-11 11:25:31 C 07 17 36.18 +25 22 33.4 R G45
2015-10-11 11:33:55 C 07 17 37.87 +25 22 33.5 R G45
2015-10-11 11:41:31 C 07 17 39.32 +25 22 33.1 R G45
2015-10-11 11:50:21 C 07 17 41.06 +25 22 33.4 R G45
2015-10-12 11:04:02 C 07 22 22.96 +25 22 08.4 R G45
2015-10-12 11:11:45 C 07 22 24.49 +25 22 07.9 R G45
2015-10-12 11:20:03 C 07 22 26.19 +25 22 07.9 R G45
2015-10-12 11:28:23 C 07 22 27.88 +25 22 07.9 R G45
2015-10-12 11:36:06 C 07 22 29.46 +25 22 07.5 R G45
2015-10-12 11:44:38 C 07 22 31.17 +25 22 07.3 R G45
2015-10-12 11:54:15 C 07 22 33.14 +25 22 07.2 R G45
2015-10-12 12:02:58 C 07 22 34.91 +25 22 07.3 R G45
2015-10-12 12:12:29 C 07 22 36.85 +25 22 06.9 R G45
2015-10-13 03:37:57 C 07 25 49.96 +25 21 31.7 t J04
2015-10-13 03:42:42 C 07 25 50.97 +25 21 31.6 t J04
2015-10-13 03:47:28 C 07 25 51.96 +25 21 31.5 t J04
2015-10-13 11:10:26 C 07 27 25.63 +25 21 09.3 R G45
2015-10-13 11:12:11 C 07 27 26.01 +25 21 09.3 R G45
2015-10-13 11:20:05 C 07 27 27.65 +25 21 09.3 R G45
2015-10-13 11:28:20 C 07 27 29.40 +25 21 08.7 R G45
2015-10-13 11:36:35 C 07 27 31.13 +25 21 08.9 R G45
2015-10-13 11:36:41 C 07 27 31.11 +25 21 07.8 R G45
2015-10-13 11:52:33 C 07 27 34.48 +25 21 07.7 R G45
2015-10-13 11:52:38 C 07 27 34.49 +25 21 07.1 R G45
2015-10-16 19:33:14 C 07 45 38.62 +25 12 55.7 q D29
2015-10-16 19:54:49 C 07 45 43.76 +25 12 52.7 q D29
2015-10-16 20:18:57 C 07 45 49.48 +25 12 49.2 q D29
2015-10-24 11:52:18 C 08 37 22.89 +24 07 42.0 q 703
2015-10-24 11:56:37 C 08 37 24.24 +24 07 39.0 q 703
2015-10-24 12:00:57 C 08 37 25.68 +24 07 36.1 q 703
2015-10-24 12:05:17 C 08 37 27.00 +24 07 34.2 q 703
2015-11-01 04:55:19 C 09 46 50.19 +20 58 13.0 q 160
2015-11-01 04:57:54 C 09 46 51.27 +20 58 09.5 q 160
2015-11-01 05:00:29 C 09 46 52.34 +20 58 06.6 q 160
2015-11-02 11:31:06 C 10 00 04.90 +20 08 41.3 q 703
2015-11-02 11:38:24 C 10 00 08.09 +20 08 28.9 q 703
2015-11-02 11:45:42 C 10 00 11.27 +20 08 16.3 q 703
2015-11-02 11:53:00 C 10 00 14.45 +20 08 03.6 q 703
2019-10-03 11:52:59 C 09 31 33.96 +19 06 53.0 V 703
2019-10-03 12:14:11 C 09 31 40.50 +19 06 27.9 V 703
2019-10-07 12:28:58 C 10 02 32.46 +16 47 44.6 U I41
2019-10-07 12:35:58 C 10 02 34.74 +16 47 33.5 U I41
2019-10-07 12:42:58 C 10 02 37.05 +16 47 22.1 U I41
2019-10-07 12:49:58 C 10 02 39.32 +16 47 10.9 U I41
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)