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
2016-02-10 11:03:39 C 13 39 21.08 +24 12 48.4 q H45
2016-02-10 11:05:04 C 13 39 21.24 +24 12 48.3 q H45
2016-02-10 11:06:43 C 13 39 21.42 +24 12 48.3 q H45
2016-02-10 11:08:12 C 13 39 21.58 +24 12 48.3 q H45
2016-02-11 07:59:12 C 13 41 59.49 +24 12 21.6 R G45
2016-02-11 08:06:28 C 13 42 00.28 +24 12 22.3 R G45
2016-02-11 08:13:18 C 13 42 01.02 +24 12 22.6 R G45
2016-02-11 08:13:42 C 13 42 01.05 +24 12 22.4 R G45
2016-02-11 08:20:38 C 13 42 01.80 +24 12 22.9 R G45
2016-02-11 08:26:56 C 13 42 02.45 +24 12 23.1 R G45
2016-02-14 01:26:30 C 13 49 00.49 +24 10 42.4 o Z22
2016-02-14 01:44:51 C 13 49 02.08 +24 10 43.4 o Z22
2016-02-14 02:03:28 C 13 49 03.65 +24 10 44.1 o Z22
2016-02-14 08:00:34 C 13 49 37.20 +24 10 26.8 R G45
2016-02-14 08:01:09 C 13 49 37.26 +24 10 26.8 R G45
2016-02-14 08:07:28 C 13 49 37.78 +24 10 27.0 R G45
2016-02-14 08:08:02 C 13 49 37.82 +24 10 27.1 R G45
2016-02-14 08:14:38 C 13 49 38.37 +24 10 27.2 R G45
2016-02-14 08:14:44 C 13 49 38.38 +24 10 27.2 R G45
2016-02-14 08:21:52 C 13 49 38.95 +24 10 27.4 R G45
2016-02-14 08:21:58 C 13 49 38.96 +24 10 27.4 R G45
2016-02-14 08:28:39 C 13 49 39.51 +24 10 27.6 R G45
2016-02-14 08:29:20 C 13 49 39.57 +24 10 27.5 R G45
2016-02-14 10:57:23 C 13 49 51.48 +24 10 29.0 q 703
2016-02-14 11:00:16 C 13 49 51.73 +24 10 29.1 q 703
2016-02-14 11:03:08 C 13 49 51.93 +24 10 28.9 q 703
2016-02-14 11:29:00 C 13 49 53.92 +24 10 28.3 q 703
2016-02-14 11:31:53 C 13 49 54.06 +24 10 29.0 q 703
2016-02-14 11:34:46 C 13 49 54.35 +24 10 28.1 q 703
2016-02-14 11:37:39 C 13 49 54.55 +24 10 27.8 q 703
2016-02-17 02:13:39 C 13 55 06.01 +24 07 52.5 c Z95
2016-02-17 02:29:36 C 13 55 07.00 +24 07 52.4 c Z95
2016-02-17 02:50:53 C 13 55 08.21 +24 07 52.3 c Z95
2016-02-17 07:59:34 C 13 55 31.97 +24 07 39.2 R G45
2016-02-17 08:13:35 C 13 55 32.83 +24 07 39.2 R G45
2016-02-17 08:20:29 C 13 55 33.26 +24 07 39.4 R G45
2016-02-17 08:27:28 C 13 55 33.68 +24 07 39.5 R G45
2016-02-19 17:40:01 C 13 59 11.75 +24 04 28.4 q 168
2016-02-19 17:42:36 C 13 59 11.90 +24 04 28.2 q 168
2016-02-19 20:04:31 C 13 59 19.50 +24 04 28.4 q 168
2016-02-19 20:09:47 C 13 59 19.78 +24 04 28.4 q 168
2016-02-19 21:20:57 C 13 59 23.27 +24 04 27.6 q 168
2016-02-19 22:26:21 C 13 59 26.36 +24 04 25.9 q 168
2016-02-20 08:00:17 C 13 59 58.64 +24 04 11.9 R G45
2016-02-20 08:07:22 C 13 59 58.94 +24 04 11.9 R G45
2016-02-20 08:14:33 C 13 59 59.25 +24 04 11.6 R G45
2016-02-20 08:29:04 C 13 59 59.84 +24 04 12.0 R G45
2016-02-20 08:29:41 C 13 59 59.89 +24 04 12.1 R G45
2016-02-23 09:11:06 C 14 03 09.09 +24 00 04.7 u H21
2016-02-23 09:13:37 C 14 03 09.14 +24 00 04.6 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)