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
2015-11-19 09:02:45 C 05 37 31.85 +02 27 43.8 q H45
2015-11-19 09:03:52 C 05 37 31.89 +02 27 43.5 q H45
2015-11-19 09:05:32 C 05 37 32.01 +02 27 43.0 q H45
2015-11-19 09:07:43 C 05 37 32.14 +02 27 42.3 q H45
2015-11-19 09:09:44 C 05 37 32.24 +02 27 41.8 q H45
2015-11-19 10:30:41 C 05 37 37.16 +02 27 16.3 R G45
2015-11-19 10:37:49 C 05 37 37.55 +02 27 13.8 R G45
2015-11-19 10:44:55 C 05 37 37.96 +02 27 11.5 R G45
2015-11-19 10:50:39 C 05 37 38.28 +02 27 09.6 R G45
2015-11-20 08:48:58 C 05 39 01.78 +02 20 06.7 q H45
2015-11-20 08:50:52 C 05 39 01.88 +02 20 05.9 q H45
2015-11-20 08:52:10 C 05 39 01.95 +02 20 05.2 q H45
2015-11-20 08:53:56 C 05 39 02.03 +02 20 05.1 q H45
2015-11-20 08:55:12 C 05 39 02.12 +02 20 04.5 q H45
2015-11-22 08:03:17 C 05 42 03.57 +02 05 25.4 u H21
2015-11-22 08:05:27 C 05 42 03.70 +02 05 24.7 u H21
2015-11-22 08:07:32 C 05 42 03.81 +02 05 24.1 u H21
2015-11-22 08:09:41 C 05 42 03.93 +02 05 23.4 u H21
2015-11-22 08:10:40 C 05 42 04.51 +02 05 25.9 q 448
2015-11-22 08:11:45 C 05 42 04.06 +02 05 22.8 u H21
2015-11-22 08:13:49 C 05 42 04.20 +02 05 22.3 u H21
2015-11-22 08:15:53 C 05 42 04.32 +02 05 21.8 u H21
2015-11-22 08:17:57 C 05 42 04.43 +02 05 21.2 u H21
2015-11-22 08:20:10 C 05 42 04.55 +02 05 20.5 u H21
2015-11-22 08:22:17 C 05 42 04.68 +02 05 19.8 u H21
2015-11-22 08:24:27 C 05 42 04.81 +02 05 19.2 u H21
2015-11-22 08:26:30 C 05 42 04.95 +02 05 18.6 u H21
2015-11-22 08:27:08 C 05 42 05.44 +02 05 21.3 q 448
2015-11-22 08:27:31 C 05 42 05.58 +02 05 21.1 q 703
2015-11-22 08:28:27 C 05 42 05.04 +02 05 18.0 u H21
2015-11-22 08:30:13 C 05 42 05.14 +02 05 17.6 u H21
2015-11-22 08:32:45 C 05 42 05.30 +02 05 16.6 u H21
2015-11-22 08:35:27 C 05 42 05.93 +02 05 18.7 q 448
2015-11-22 08:36:11 C 05 42 06.06 +02 05 18.5 q 703
2015-11-22 08:43:26 C 05 42 06.40 +02 05 16.3 q 448
2015-11-22 08:44:51 C 05 42 06.59 +02 05 15.9 q 703
2015-11-22 08:50:41 C 05 42 06.81 +02 05 14.1 q 448
2015-11-22 08:53:29 C 05 42 07.09 +02 05 13.4 q 703
2015-11-23 08:28:45 C 05 43 39.17 +01 58 08.2 u H21
2015-11-23 08:31:39 C 05 43 39.34 +01 58 07.5 u H21
2015-11-23 08:36:06 C 05 43 39.62 +01 58 06.4 u H21
2015-11-23 08:38:10 C 05 43 39.73 +01 58 05.9 u H21
2015-11-23 08:40:14 C 05 43 39.86 +01 58 05.4 u H21
2015-11-23 08:42:18 C 05 43 39.99 +01 58 04.7 u H21
2015-11-23 08:44:22 C 05 43 40.11 +01 58 04.2 u H21
2015-11-23 08:46:26 C 05 43 40.24 +01 58 03.6 u H21
2015-11-23 08:48:30 C 05 43 40.37 +01 58 03.0 u H21
2015-11-23 08:50:33 C 05 43 40.48 +01 58 02.4 u H21
2015-11-23 08:52:36 C 05 43 40.60 +01 58 01.9 u H21
2015-11-23 08:54:39 C 05 43 40.73 +01 58 01.3 u H21
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)