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
2016-01-21 22:22:34 C 11 36 16.91 +22 06 09.8 14.7 u 104
2016-01-21 22:29:33 C 11 36 19.86 +22 06 17.1 14.7 u 104
2016-01-21 22:36:31 C 11 36 22.79 +22 06 24.6 14.7 u 104
2016-01-22 00:26:20 C 11 37 08.42 +22 08 20.5 t 160
2016-01-22 00:28:25 C 11 37 09.30 +22 08 22.1 t 160
2016-01-22 00:30:16 C 11 37 10.07 +22 08 23.6 t 160
2016-01-22 01:47:30 C 11 37 41.85 +22 09 28.5 q C23
2016-01-22 01:49:58 C 11 37 42.86 +22 09 30.9 q C23
2016-01-22 01:52:25 C 11 37 43.86 +22 09 33.4 q C23
2016-01-22 01:54:52 C 11 37 44.87 +22 09 35.9 q C23
2016-01-22 01:57:49 C 11 37 46.08 +22 09 38.6 q C23
2016-01-22 11:43:54 C 11 41 52.45 +22 19 08.7 u 926
2016-01-22 11:49:38 C 11 41 54.75 +22 19 13.5 u 926
2016-01-22 11:55:32 C 11 41 57.10 +22 19 18.8 u 926
2016-01-23 07:54:36 C 11 50 16.90 +22 35 48.6 u H21
2016-01-23 07:56:33 C 11 50 17.66 +22 35 50.3 u H21
2016-01-23 07:58:31 C 11 50 18.40 +22 35 52.1 u H21
2016-01-23 08:00:28 C 11 50 19.15 +22 35 53.7 u H21
2016-01-23 08:02:26 C 11 50 19.90 +22 35 55.1 u H21
2016-01-23 08:04:23 C 11 50 20.66 +22 35 56.8 u H21
2016-01-23 08:06:21 C 11 50 21.40 +22 35 58.7 u H21
2016-01-23 08:08:19 C 11 50 22.15 +22 36 00.2 u H21
2016-01-23 08:10:16 C 11 50 22.90 +22 36 02.0 u H21
2016-01-23 08:12:14 C 11 50 23.65 +22 36 03.5 u H21
2016-01-23 08:13:48 C 11 50 24.25 +22 36 04.7 u H21
2016-01-23 08:17:55 C 11 50 25.83 +22 36 08.2 u H21
2016-01-23 08:19:52 C 11 50 26.58 +22 36 09.9 u H21
2016-01-23 08:21:50 C 11 50 27.33 +22 36 11.4 u H21
2016-01-23 08:23:47 C 11 50 28.09 +22 36 13.0 u H21
2016-01-23 08:25:44 C 11 50 28.83 +22 36 14.6 u H21
2016-01-23 08:27:06 C 11 50 29.35 +22 36 15.6 u H21
2016-01-24 00:18:56 C 11 56 51.32 +22 47 55.6 q 160
2016-01-24 00:21:14 C 11 56 52.18 +22 47 57.5 q 160
2016-01-24 00:23:33 C 11 56 53.07 +22 47 59.3 q 160
2016-01-24 06:31:18 C 11 59 17.52 +22 52 19.9 u H21
2016-01-24 06:33:49 C 11 59 18.46 +22 52 21.7 u H21
2016-01-24 06:36:20 C 11 59 19.39 +22 52 23.8 u H21
2016-01-24 06:38:52 C 11 59 20.32 +22 52 25.9 u H21
2016-01-24 06:41:23 C 11 59 21.25 +22 52 27.6 u H21
2016-01-24 06:43:54 C 11 59 22.20 +22 52 29.7 u H21
2016-01-24 06:46:25 C 11 59 23.13 +22 52 31.6 u H21
2016-01-24 06:48:56 C 11 59 24.06 +22 52 33.5 u H21
2016-01-24 06:51:28 C 11 59 25.00 +22 52 35.5 u H21
2016-01-24 06:53:59 C 11 59 25.93 +22 52 37.5 u H21
2016-01-24 06:56:30 C 11 59 26.86 +22 52 39.5 u H21
2016-01-24 06:59:01 C 11 59 27.79 +22 52 41.3 u H21
2016-01-24 07:01:32 C 11 59 28.73 +22 52 43.2 u H21
2016-01-24 07:04:03 C 11 59 29.65 +22 52 45.0 u H21
2016-01-24 07:06:34 C 11 59 30.58 +22 52 47.2 u H21
2016-01-24 07:09:04 C 11 59 31.51 +22 52 49.0 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)