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
2015-11-23 08:56:42 C 05 43 40.85 +01 58 00.6 u H21
2015-11-23 09:37:41 C 05 43 43.71 +01 57 51.0 R G45
2015-11-23 09:48:48 C 05 43 44.37 +01 57 47.9 R G45
2015-11-23 09:55:48 C 05 43 44.79 +01 57 45.5 R G45
2015-11-23 10:03:01 C 05 43 45.21 +01 57 43.7 R G45
2015-11-23 10:10:18 C 05 43 45.66 +01 57 41.5 R G45
2015-11-23 10:17:25 C 05 43 46.07 +01 57 39.3 R G45
2015-11-24 07:29:42 C 05 45 10.66 +01 52 03.6 u 807
2015-11-24 07:31:04 C 05 45 11.24 +01 51 29.5 u H21
2015-11-24 07:31:06 C 05 45 10.74 +01 52 03.4 u 807
2015-11-24 07:33:12 C 05 45 11.37 +01 51 28.8 u H21
2015-11-24 07:35:18 C 05 45 11.50 +01 51 28.2 u H21
2015-11-24 07:37:28 C 05 45 11.63 +01 51 27.6 u H21
2015-11-24 07:39:32 C 05 45 11.76 +01 51 27.2 u H21
2015-11-24 07:41:35 C 05 45 11.89 +01 51 26.6 u H21
2015-11-24 07:43:40 C 05 45 12.01 +01 51 26.0 u H21
2015-11-24 07:45:43 C 05 45 12.13 +01 51 25.5 u H21
2015-11-24 07:47:47 C 05 45 12.26 +01 51 24.9 u H21
2015-11-24 07:49:51 C 05 45 12.37 +01 51 24.2 u H21
2015-11-24 07:51:55 C 05 45 12.50 +01 51 23.5 u H21
2015-11-24 07:53:59 C 05 45 12.63 +01 51 23.1 u H21
2015-11-24 07:56:03 C 05 45 12.75 +01 51 22.5 u H21
2015-11-24 07:58:07 C 05 45 12.87 +01 51 21.9 u H21
2015-11-24 08:00:05 C 05 45 13.00 +01 51 21.3 u H21
2015-11-25 00:26:40 C 05 46 19.69 +01 46 43.0 q 160
2015-11-25 00:28:57 C 05 46 19.82 +01 46 42.7 q 160
2015-11-25 00:31:14 C 05 46 19.99 +01 46 42.2 q 160
2015-11-25 08:31:13 C 05 46 51.96 +01 44 31.7 u H21
2015-11-25 08:34:19 C 05 46 52.15 +01 44 30.6 u H21
2015-11-25 08:37:25 C 05 46 52.35 +01 44 29.8 u H21
2015-11-25 08:40:31 C 05 46 52.55 +01 44 29.0 u H21
2015-11-25 08:43:37 C 05 46 52.74 +01 44 28.4 u H21
2015-11-25 08:46:42 C 05 46 52.93 +01 44 27.5 u H21
2015-11-25 08:49:58 C 05 46 53.13 +01 44 26.5 u H21
2015-11-25 08:53:34 C 05 46 53.34 +01 44 25.4 u H21
2015-11-30 10:06:39 C 05 55 33.21 +01 15 25.5 u 926
2015-11-30 10:30:23 C 05 55 34.83 +01 15 20.9 u 926
2015-11-30 10:56:51 C 05 55 36.63 +01 15 15.3 u 926
2015-12-02 08:06:02 C 05 59 07.35 +01 06 55.3 R G45
2015-12-02 08:13:19 C 05 59 07.85 +01 06 54.2 R G45
2015-12-02 08:19:40 C 05 59 08.29 +01 06 53.0 R G45
2015-12-02 08:27:05 C 05 59 08.82 +01 06 51.7 R G45
2015-12-02 08:33:56 C 05 59 09.31 +01 06 50.8 R G45
2015-12-02 08:53:30 C 05 59 10.68 +01 06 47.4 R G45
2015-12-02 09:00:50 C 05 59 11.21 +01 06 46.0 R G45
2015-12-03 20:33:11 C 06 02 05.51 +01 01 20.6 16.7 q K90
2015-12-03 20:36:15 C 06 02 05.78 +01 01 20.4 16.7 q K90
2015-12-03 20:39:20 C 06 02 05.97 +01 01 19.7 16.8 q K90
2015-12-03 20:48:33 C 06 02 06.70 +01 01 18.3 16.9 q K90
2015-12-03 20:51:37 C 06 02 06.93 +01 01 18.0 16.8 q K90
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)