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
2016-04-01 08:00:01 C 13 41 10.09 +20 19 58.3 q 703
2016-04-01 08:07:56 C 13 41 09.55 +20 19 54.7 q 703
2016-04-01 09:58:02 C 13 41 03.57 +20 18 59.3 u 926
2016-04-01 10:18:10 C 13 41 02.48 +20 18 48.7 u 926
2016-04-01 10:41:15 C 13 41 01.21 +20 18 36.5 u 926
2016-04-01 11:27:19 C 13 40 59.94 +20 18 19.9 L T05
2016-04-01 11:57:45 C 13 40 58.24 +20 18 04.6 L T05
2016-04-01 12:20:44 C 13 40 56.97 +20 17 53.4 L T05
2016-04-01 12:41:16 C 13 40 55.87 +20 17 41.6 L T05
2016-04-03 05:58:24 C 13 38 59.89 +19 56 13.6 R G45
2016-04-03 06:06:31 C 13 38 59.46 +19 56 09.5 R G45
2016-04-03 06:13:42 C 13 38 59.08 +19 56 06.0 R G45
2016-04-03 06:20:38 C 13 38 58.74 +19 56 02.4 R G45
2016-04-03 06:28:13 C 13 38 58.33 +19 55 58.4 R G45
2016-04-04 07:49:52 C 13 37 46.53 +19 42 22.5 q H45
2016-04-04 07:51:11 C 13 37 46.46 +19 42 21.6 q H45
2016-04-04 07:52:55 C 13 37 46.37 +19 42 20.7 q H45
2016-04-04 07:54:13 C 13 37 46.32 +19 42 20.1 q H45
2016-04-04 07:55:29 C 13 37 46.24 +19 42 19.4 q H45
2016-04-04 07:56:41 C 13 37 46.18 +19 42 18.5 q H45
2016-04-05 23:59:24 C 13 35 56.83 +19 20 05.4 q 160
2016-04-06 00:01:40 C 13 35 56.78 +19 20 04.2 q 160
2016-04-06 00:03:56 C 13 35 56.65 +19 20 03.1 q 160
2016-04-07 00:45:56 C 13 34 50.49 +19 05 58.9 q 160
2016-04-07 00:48:12 C 13 34 50.37 +19 05 57.9 q 160
2016-04-07 00:50:30 C 13 34 50.27 +19 05 56.6 q 160
2016-04-09 10:27:21 C 13 32 22.62 +18 32 07.0 L T05
2016-04-09 10:56:29 C 13 32 21.28 +18 31 50.1 L T05
2016-04-09 11:07:13 C 13 32 20.68 +18 31 43.0 L T05
2016-04-09 11:42:02 C 13 32 19.02 +18 31 21.6 L T05
2016-04-09 22:19:16 C 13 31 53.60 +18 24 46.6 q C77
2016-04-09 22:58:17 C 13 31 51.81 +18 24 23.0 q C77
2016-04-09 23:10:02 C 13 31 51.26 +18 24 16.1 q C77
2016-04-09 23:57:14 C 13 31 49.67 +18 23 52.8 o Z22
2016-04-10 00:08:28 C 13 31 49.18 +18 23 46.3 o Z22
2016-04-10 00:19:28 C 13 31 48.62 +18 23 40.1 o Z22
2016-04-10 05:22:56 C 13 31 36.66 +18 20 32.5 u 926
2016-04-10 05:52:06 C 13 31 35.29 +18 20 15.2 u 926
2016-04-10 06:19:34 C 13 31 34.06 +18 19 58.9 u 926
2016-04-11 00:50:40 C 13 30 48.56 +18 08 30.6 q 160
2016-04-11 00:52:58 C 13 30 48.50 +18 08 28.9 q 160
2016-04-11 00:55:16 C 13 30 48.40 +18 08 27.5 q 160
2016-04-11 10:28:23 C 13 30 26.27 +18 02 41.5 L T05
2016-04-11 10:36:27 C 13 30 25.86 +18 02 35.9 L T05
2016-04-11 11:08:03 C 13 30 24.44 +18 02 16.2 L T05
2016-04-11 11:42:09 C 13 30 22.93 +18 01 54.8 L T05
2016-04-13 10:24:09 C 13 28 36.47 +17 32 18.2 u 926
2016-04-13 10:46:30 C 13 28 35.58 +17 32 03.5 u 926
2016-04-13 11:12:52 C 13 28 34.54 +17 31 46.2 u 926
2016-04-13 15:46:03 C 13 28 25.79 +17 28 52.5 q D29
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)