337866 (2001 WL15)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4753903957 ± 1.49e-09
Semi-major axis (a)1.9868176159 AU ± 8.30e-10
Inclination (i)6.94545711° ± 7.82e-07
Long. of Asc. Node (Ω)112.13869063° ± 3.35e-06
Arg. of Perihelion (ω)14.52682324° ± 3.89e-06
Mean Anomaly (M)182.86005738° ± 9.86e-07
Mean Motion (n)0.3519453838°/day ± 2.21e-10
Perihelion dist (q)1.04230360 AU ± 2.98e-09
Aphelion dist (Q)2.93133163 AU ± 3.20e-09
Orbital Period2.80050920 yr ± 1.76e-09
Physical Parameters
H (abs. magnitude)18.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.242″
Uncertainty0
Orbit TypeAmor
MOID0.062542 AU
Observations Used895
Radar Obs Used4
Oppositions10
Arc Total2000-2016
First Observation Used2000-07-31
Last Observation Used2023-10-06
Observations (985)
Date Type RA Dec Mag Band Observatory
2002-02-13 12:46:04 C 14 59 36.20 +00 53 51.2 19.1 c 704
2002-02-15 11:11:40 C 15 03 13.09 +01 04 01.7 18.9 c 704
2002-02-15 11:32:09 C 15 03 14.52 +01 04 06.6 19.1 c 704
2002-02-15 11:52:48 C 15 03 15.92 +01 04 11.1 19.0 c 704
2002-02-15 12:14:37 C 15 03 17.43 +01 04 15.4 19.3 c 704
2002-02-15 12:36:39 C 15 03 18.89 +01 04 21.0 19.6 c 704
2002-03-05 18:19:31 C 15 23 07.39 +03 01 49.0 m 413
2002-03-05 18:21:50 C 15 23 07.41 +03 01 49.4 m 413
2002-03-05 18:24:09 C 15 23 07.43 +03 01 50.2 m 413
2002-03-11 01:24:16 C 15 24 10.64 +03 39 42.7 c 198
2002-03-11 01:27:53 C 15 24 10.63 +03 39 43.9 c 198
2002-03-11 02:05:02 C 15 24 10.53 +03 39 55.7 c 198
2002-03-18 01:54:22 C 15 22 22.34 +04 29 58.1 c 113
2002-03-18 02:02:09 C 15 22 22.14 +04 29 59.8 c 113
2002-03-18 02:07:35 C 15 22 22.09 +04 30 02.8 c 113
2002-03-21 09:14:26 C 15 20 20.50 +04 52 18.6 18.5 c 704
2002-03-21 09:32:12 C 15 20 19.84 +04 52 23.4 18.5 c 704
2002-03-21 09:50:03 C 15 20 19.19 +04 52 28.3 18.7 c 704
2002-03-21 10:08:30 C 15 20 18.49 +04 52 33.6 18.7 c 704
2002-03-21 10:26:25 C 15 20 17.85 +04 52 39.1 18.7 c 704
2002-03-26 01:58:42 C 15 16 16.07 +05 20 52.4 c 198
2002-03-26 02:07:58 C 15 16 15.61 +05 20 54.5 c 198
2002-03-26 02:17:13 C 15 16 15.16 +05 20 56.6 c 198
2002-03-31 10:09:30 C 15 10 10.529 +05 47 45.80 645
2002-03-31 10:10:42 C 15 10 10.462 +05 47 46.07 645
2002-03-31 10:13:05 C 15 10 10.325 +05 47 46.43 645
2002-03-31 10:14:17 C 15 10 10.260 +05 47 46.83 645
2002-04-01 22:43:11 C 15 08 12.56 +05 53 57.8 c 198
2002-04-01 22:47:47 C 15 08 12.32 +05 53 58.2 c 198
2002-04-01 22:52:25 C 15 08 12.06 +05 53 58.6 c 198
2002-04-02 23:23:42 C 15 06 49.19 +05 57 48.4 c 113
2002-04-02 23:26:38 C 15 06 49.00 +05 57 48.7 c 113
2002-04-02 23:29:31 C 15 06 48.79 +05 57 49.6 c 113
2002-04-02 23:32:26 C 15 06 48.69 +05 57 50.0 c 113
2002-04-02 23:35:20 C 15 06 48.47 +05 57 50.3 c 113
2002-04-09 01:06:13 C 14 57 54.16 +06 13 38.1 c 246
2002-04-09 01:07:46 C 14 57 54.06 +06 13 37.9 c 246
2002-04-09 01:09:19 C 14 57 53.95 +06 13 37.8 c 246
2002-04-09 01:12:25 C 14 57 53.74 +06 13 38.0 c 246
2002-04-09 01:13:47 C 14 57 53.64 +06 13 38.3 c 246
2002-04-11 08:13:46 C 14 54 18.87 +06 16 17.6 c 699
2002-04-11 08:42:05 C 14 54 16.89 +06 16 18.9 c 699
2002-04-11 09:10:22 C 14 54 14.87 +06 16 19.7 c 699
2002-04-11 09:38:42 C 14 54 12.87 +06 16 20.1 c 699
2002-04-15 22:37:05 C 14 46 58.24 +06 15 24.6 151
2002-04-15 22:41:40 C 14 46 57.90 +06 15 24.6 151
2002-04-15 22:47:26 C 14 46 57.52 +06 15 24.5 151
2002-04-15 22:49:56 C 14 46 57.34 +06 15 24.4 151
2002-04-16 21:38:40 C 14 45 26.26 +06 14 12.1 c 143
2002-04-16 21:47:11 C 14 45 25.80 +06 14 12.0 c 143
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2016-01-12 12:30:00 80747630.415 20 us 8560 -14 -14
2016-01-13 03:58:00 80482301.07 4 us 2380 -1 -1
2016-01-14 08:12:00 80246718.42 0.5 us 2380 -1 -1
2016-01-15 08:00:00 80315909.87 0.5 us 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)