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
2016-01-11 10:39:33 C 09 34 28.23 +15 11 52.9 q H45
2016-01-11 10:40:12 C 09 34 28.53 +15 11 54.3 q H45
2016-01-11 10:41:11 C 09 34 28.98 +15 11 56.4 q H45
2016-01-12 12:38:00 C 09 47 11.82 +16 07 42.0 u 926
2016-01-12 12:41:46 C 09 47 13.61 +16 07 49.7 u 926
2016-01-12 12:45:33 C 09 47 15.40 +16 07 57.4 u 926
2016-01-13 08:38:30 C 09 57 14.69 +16 49 31.0 R G45
2016-01-13 08:47:28 C 09 57 18.93 +16 49 49.6 R G45
2016-01-13 08:54:59 C 09 57 22.48 +16 50 05.3 R G45
2016-01-13 09:03:25 C 09 57 26.46 +16 50 22.9 R G45
2016-01-13 21:03:39 C 10 03 31.24 +17 14 16.9 q K56
2016-01-13 21:19:46 C 10 03 39.09 +17 14 50.0 q K56
2016-01-13 23:09:15 C 10 04 32.61 +17 18 26.0 t K20
2016-01-14 00:52:14 C 10 05 22.45 +17 21 57.1 t K20
2016-01-14 01:00:39 C 10 05 26.51 +17 22 14.3 t K20
2016-01-14 01:03:48 C 10 05 28.03 +17 22 20.7 t K20
2016-01-14 01:16:15 C 10 05 34.02 +17 22 45.9 t K20
2016-01-14 01:24:10 C 10 05 37.83 +17 23 01.7 t K20
2016-01-14 01:42:10 C 10 05 46.49 +17 23 38.0 t K20
2016-01-14 09:51:26 C 10 09 49.53 +17 40 09.8 q H45
2016-01-14 09:52:43 C 10 09 50.15 +17 40 12.3 q H45
2016-01-14 09:53:17 C 10 09 50.39 +17 40 13.3 q H45
2016-01-14 09:54:06 C 10 09 50.79 +17 40 15.1 q H45
2016-01-14 09:54:53 C 10 09 51.17 +17 40 16.5 q H45
2016-01-14 09:55:41 C 10 09 51.56 +17 40 18.0 q H45
2016-01-15 23:58:58 C 10 29 03.14 +18 51 12.3 u Z64
2016-01-16 00:04:29 C 10 29 05.80 +18 51 22.3 u Z64
2016-01-16 00:10:02 C 10 29 08.44 +18 51 31.4 u Z64
2016-01-16 00:15:33 C 10 29 11.14 +18 51 43.1 u Z64
2016-01-16 09:42:18 C 10 33 48.72 +19 08 36.2 q H45
2016-01-16 09:43:54 C 10 33 49.47 +19 08 39.0 q H45
2016-01-16 09:44:33 C 10 33 49.77 +19 08 40.1 q H45
2016-01-16 09:45:38 C 10 33 50.28 +19 08 42.0 q H45
2016-01-16 09:47:11 C 10 33 51.01 +19 08 44.6 q H45
2016-01-16 09:47:56 C 10 33 51.37 +19 08 45.9 q H45
2016-01-16 22:44:34 C 10 40 22.39 +19 30 14.1 14.7 t K63
2016-01-16 22:59:40 C 10 40 29.74 +19 30 39.5 14.4 t K63
2016-01-16 23:11:12 C 10 40 35.22 +19 31 00.0 14.6 t K63
2016-01-16 23:34:27 C 10 40 49.06 +19 31 54.8 o Z22
2016-01-16 23:45:29 C 10 40 54.31 +19 32 14.2 o Z22
2016-01-16 23:56:55 C 10 40 59.82 +19 32 34.8 o Z22
2016-01-17 01:21:32 C 10 41 36.98 +19 34 41.3 q 160
2016-01-17 01:23:49 C 10 41 37.98 +19 34 44.9 q 160
2016-01-17 01:26:05 C 10 41 39.12 +19 34 49.2 q 160
2016-01-18 01:32:12 C 10 53 27.50 +20 12 39.0 q 160
2016-01-18 01:34:27 C 10 53 28.55 +20 12 42.5 q 160
2016-01-18 01:36:43 C 10 53 29.62 +20 12 46.0 q 160
2016-01-21 22:16:02 C 11 36 13.68 +22 05 51.3 q C23
2016-01-21 22:16:32 C 11 36 13.88 +22 05 52.0 q C23
2016-01-21 22:17:01 C 11 36 14.09 +22 05 52.4 q C23
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)