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
2016-03-19 08:11:11 C 13 55 52.44 +22 27 10.5 u 926
2016-03-19 08:31:30 C 13 55 51.38 +22 27 04.6 u 926
2016-03-20 00:22:31 C 13 55 09.97 +22 21 58.1 q B88
2016-03-20 01:54:34 C 13 55 05.25 +22 21 28.5 q B88
2016-03-20 04:08:43 C 13 54 58.44 +22 20 43.5 q B88
2016-03-20 06:35:25 C 13 54 54.36 +22 20 02.7 R G45
2016-03-20 06:42:01 C 13 54 54.14 +22 20 01.2 u 926
2016-03-20 06:42:41 C 13 54 53.96 +22 20 00.1 R G45
2016-03-20 06:49:58 C 13 54 53.57 +22 19 58.1 R G45
2016-03-20 06:57:06 C 13 54 53.20 +22 19 56.2 R G45
2016-03-20 07:04:31 C 13 54 52.83 +22 19 54.7 R G45
2016-03-20 07:05:52 C 13 54 52.91 +22 19 54.2 u 926
2016-03-20 07:26:23 C 13 54 51.90 +22 19 48.0 u 926
2016-03-20 11:47:28 C 13 54 39.71 +22 18 30.6 L T05
2016-03-20 12:15:42 C 13 54 38.13 +22 18 21.1 L T05
2016-03-20 12:40:49 C 13 54 36.76 +22 18 13.7 L T05
2016-03-20 12:59:37 C 13 54 35.75 +22 18 07.1 L T05
2016-03-21 07:20:59 C 13 53 47.01 +22 11 49.4 u H21
2016-03-21 07:24:00 C 13 53 46.85 +22 11 48.4 u H21
2016-03-21 07:26:31 C 13 53 46.71 +22 11 47.5 u H21
2016-03-21 07:29:10 C 13 53 46.57 +22 11 46.5 u H21
2016-03-21 07:31:42 C 13 53 46.43 +22 11 45.7 u H21
2016-03-21 07:34:13 C 13 53 46.29 +22 11 44.9 u H21
2016-03-21 07:36:44 C 13 53 46.15 +22 11 44.0 u H21
2016-03-21 07:39:16 C 13 53 46.04 +22 11 43.4 u H21
2016-03-21 07:41:47 C 13 53 45.90 +22 11 42.4 u H21
2016-03-21 07:44:18 C 13 53 45.75 +22 11 41.5 u H21
2016-03-21 07:47:26 C 13 53 45.59 +22 11 40.4 u H21
2016-03-21 08:33:15 C 13 53 43.15 +22 11 24.5 u H21
2016-03-21 08:36:21 C 13 53 42.98 +22 11 23.6 u H21
2016-03-21 08:39:28 C 13 53 42.81 +22 11 22.5 u H21
2016-03-21 08:42:34 C 13 53 42.66 +22 11 21.3 u H21
2016-03-21 08:45:40 C 13 53 42.49 +22 11 20.3 u H21
2016-03-21 08:48:47 C 13 53 42.32 +22 11 19.2 u H21
2016-03-21 08:49:16 C 13 53 43.06 +22 11 23.8 o 926
2016-03-21 08:51:53 C 13 53 42.15 +22 11 18.1 u H21
2016-03-21 08:54:59 C 13 53 41.99 +22 11 17.0 u H21
2016-03-21 08:58:05 C 13 53 41.84 +22 11 15.8 u H21
2016-03-21 09:01:24 C 13 53 41.66 +22 11 14.7 u H21
2016-03-21 09:08:39 C 13 53 42.01 +22 11 17.3 o 926
2016-03-21 09:30:29 C 13 53 40.84 +22 11 09.9 o 926
2016-03-22 07:15:21 C 13 52 41.62 +22 03 31.5 u H21
2016-03-22 07:18:18 C 13 52 41.47 +22 03 30.4 u H21
2016-03-22 07:21:14 C 13 52 41.30 +22 03 29.2 u H21
2016-03-22 07:24:11 C 13 52 41.14 +22 03 28.3 u H21
2016-03-22 07:27:07 C 13 52 40.98 +22 03 27.4 u H21
2016-03-22 07:30:03 C 13 52 40.82 +22 03 26.2 u H21
2016-03-22 07:32:59 C 13 52 40.66 +22 03 25.2 u H21
2016-03-22 07:35:55 C 13 52 40.50 +22 03 24.0 u H21
2016-03-22 07:38:51 C 13 52 40.35 +22 03 22.9 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)