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
2015-12-03 20:54:41 C 06 02 07.16 +01 01 17.6 16.8 q K90
2015-12-03 21:06:59 C 06 02 08.09 +01 01 16.0 16.9 q K90
2015-12-03 21:10:03 C 06 02 08.30 +01 01 15.6 16.7 q K90
2015-12-05 05:47:06 C 06 04 53.67 +00 57 31.2 u H15
2015-12-05 06:01:03 C 06 04 54.74 +00 57 29.6 u H15
2015-12-05 06:55:42 C 06 04 58.98 +00 57 24.4 u H15
2015-12-10 10:45:55 C 06 16 39.64 +00 54 11.5 L T05
2015-12-10 11:12:53 C 06 16 42.12 +00 54 12.9 L T05
2015-12-10 11:55:52 C 06 16 46.04 +00 54 15.6 L T05
2015-12-10 12:12:10 C 06 16 47.54 +00 54 15.9 L T05
2015-12-17 08:03:44 C 06 36 36.07 +01 27 05.5 R G45
2015-12-17 08:10:20 C 06 36 36.90 +01 27 08.0 R G45
2015-12-17 08:17:21 C 06 36 37.76 +01 27 11.0 R G45
2015-12-17 08:26:23 C 06 36 38.96 +01 27 13.9 R G45
2015-12-17 08:33:07 C 06 36 39.84 +01 27 16.4 R G45
2015-12-17 09:10:24 C 06 36 44.62 +01 27 30.1 R G45
2015-12-17 09:10:36 C 06 36 44.64 +01 27 30.0 R G45
2015-12-17 09:11:56 C 06 36 44.18 +01 27 29.5 q H45
2015-12-17 09:13:33 C 06 36 44.39 +01 27 29.9 q H45
2015-12-17 09:17:30 C 06 36 44.92 +01 27 31.3 q H45
2015-12-17 09:19:07 C 06 36 45.10 +01 27 31.9 q H45
2015-12-17 09:20:24 C 06 36 45.28 +01 27 32.3 q H45
2015-12-17 09:21:22 C 06 36 45.41 +01 27 32.7 q H45
2015-12-20 00:12:52 C 06 46 18.30 +01 55 34.6 t 130
2015-12-20 00:14:01 C 06 46 18.45 +01 55 35.3 t 130
2015-12-20 00:16:18 C 06 46 18.81 +01 55 36.4 t 130
2015-12-20 00:18:37 C 06 46 19.17 +01 55 37.6 t 130
2015-12-22 06:46:41 C 06 55 43.82 +02 28 55.9 u 926
2015-12-22 06:57:15 C 06 55 45.59 +02 29 03.1 u 926
2015-12-22 07:07:48 C 06 55 47.36 +02 29 10.3 u 926
2015-12-24 08:02:22 C 07 05 14.56 +03 06 39.5 u H21
2015-12-24 08:04:20 C 07 05 14.93 +03 06 41.1 u H21
2015-12-24 08:06:17 C 07 05 15.30 +03 06 42.9 u H21
2015-12-24 08:08:14 C 07 05 15.68 +03 06 44.6 u H21
2015-12-24 08:10:11 C 07 05 16.06 +03 06 46.3 u H21
2015-12-24 08:12:08 C 07 05 16.43 +03 06 48.0 u H21
2015-12-24 08:14:05 C 07 05 16.80 +03 06 49.4 u H21
2015-12-24 08:16:02 C 07 05 17.17 +03 06 51.1 u H21
2015-12-24 08:17:59 C 07 05 17.55 +03 06 52.9 u H21
2015-12-24 08:19:56 C 07 05 17.91 +03 06 54.5 u H21
2015-12-24 08:21:53 C 07 05 18.28 +03 06 56.2 u H21
2015-12-24 08:23:50 C 07 05 18.66 +03 06 57.8 u H21
2015-12-24 08:25:47 C 07 05 19.04 +03 06 59.4 u H21
2016-01-03 11:39:57 C 08 12 40.22 +08 31 46.3 L T05
2016-01-03 12:30:49 C 08 12 57.27 +08 33 19.9 L T05
2016-01-03 12:42:36 C 08 13 01.23 +08 33 41.4 L T05
2016-01-03 13:01:00 C 08 13 07.42 +08 34 15.1 L T05
2016-01-03 15:02:50 C 08 13 55.22 +08 37 39.5 o 300
2016-01-03 15:04:39 C 08 13 55.82 +08 37 42.9 o 300
2016-01-03 15:06:27 C 08 13 56.48 +08 37 46.4 o 300
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)