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
2016-02-23 09:16:08 C 14 03 09.20 +24 00 04.4 u H21
2016-02-23 09:18:39 C 14 03 09.26 +24 00 04.2 u H21
2016-02-23 09:21:10 C 14 03 09.32 +24 00 04.1 u H21
2016-02-23 09:23:41 C 14 03 09.37 +24 00 04.0 u H21
2016-02-23 09:26:12 C 14 03 09.42 +24 00 04.0 u H21
2016-02-23 09:28:43 C 14 03 09.49 +24 00 03.7 u H21
2016-02-23 09:31:15 C 14 03 09.55 +24 00 03.4 u H21
2016-02-23 09:33:46 C 14 03 09.61 +24 00 03.4 u H21
2016-02-23 09:36:17 C 14 03 09.66 +24 00 03.4 u H21
2016-02-23 09:38:48 C 14 03 09.73 +24 00 03.2 u H21
2016-02-23 09:41:19 C 14 03 09.78 +24 00 03.0 u H21
2016-02-23 09:43:50 C 14 03 09.84 +24 00 02.8 u H21
2016-02-23 09:46:22 C 14 03 09.89 +24 00 02.8 u H21
2016-02-23 09:47:32 C 14 03 09.94 +24 00 02.5 u H21
2016-02-23 09:48:53 C 14 03 09.96 +24 00 02.5 u H21
2016-02-23 09:49:31 C 14 03 09.98 +24 00 02.3 u H21
2016-02-23 09:51:24 C 14 03 10.01 +24 00 02.3 u H21
2016-02-23 09:51:42 C 14 03 10.03 +24 00 02.3 u H21
2016-02-23 09:53:46 C 14 03 10.07 +24 00 02.1 u H21
2016-02-23 09:55:51 C 14 03 10.12 +24 00 02.0 u H21
2016-02-23 09:58:02 C 14 03 10.18 +24 00 01.8 u H21
2016-02-23 10:00:06 C 14 03 10.22 +24 00 01.8 u H21
2016-02-23 10:02:10 C 14 03 10.27 +24 00 01.7 u H21
2016-02-23 10:04:14 C 14 03 10.32 +24 00 01.5 u H21
2016-02-23 10:06:18 C 14 03 10.36 +24 00 01.4 u H21
2016-02-23 10:08:23 C 14 03 10.42 +24 00 01.2 u H21
2016-02-23 10:10:27 C 14 03 10.47 +24 00 01.2 u H21
2016-02-23 10:12:31 C 14 03 10.51 +24 00 01.1 u H21
2016-02-23 10:14:35 C 14 03 10.55 +24 00 00.9 u H21
2016-02-23 10:16:40 C 14 03 10.60 +24 00 00.7 u H21
2016-02-23 10:18:44 C 14 03 10.66 +24 00 00.6 u H21
2016-02-23 10:20:48 C 14 03 10.71 +24 00 00.4 u H21
2016-02-24 13:32:13 C 14 04 04.53 +23 58 33.7 o F65
2016-02-24 13:33:11 C 14 04 04.55 +23 58 33.7 o F65
2016-02-24 13:34:09 C 14 04 04.56 +23 58 33.7 o F65
2016-02-24 13:49:29 C 14 04 04.77 +23 58 32.4 L T05
2016-02-24 14:26:08 C 14 04 05.33 +23 58 30.5 L T05
2016-02-24 14:53:21 C 14 04 05.74 +23 58 28.6 L T05
2016-02-24 15:27:12 C 14 04 06.25 +23 58 25.9 L T05
2016-02-26 09:17:14 C 14 05 11.00 +23 55 23.6 u 926
2016-02-26 09:44:40 C 14 05 11.24 +23 55 22.4 u 926
2016-02-26 10:04:45 C 14 05 11.40 +23 55 20.9 u 926
2016-02-29 17:40:48 C 14 06 14.60 +23 48 56.9 q D29
2016-02-29 18:04:15 C 14 06 14.47 +23 48 55.5 q D29
2016-02-29 18:27:44 C 14 06 14.36 +23 48 53.9 q D29
2016-03-02 10:51:31 C 14 06 18.71 +23 45 03.1 q H45
2016-03-02 10:53:05 C 14 06 18.69 +23 45 02.6 q H45
2016-03-02 10:55:12 C 14 06 18.68 +23 45 02.5 q H45
2016-03-02 10:56:34 C 14 06 18.65 +23 45 02.2 q H45
2016-03-04 04:10:37 C 14 06 08.56 +23 40 31.8 q 160
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)