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
2016-03-04 04:12:54 C 14 06 08.52 +23 40 31.5 q 160
2016-03-04 04:15:10 C 14 06 08.47 +23 40 31.1 q 160
2016-03-08 13:09:23 C 14 04 37.77 +23 26 45.3 L T05
2016-03-08 13:44:54 C 14 04 36.58 +23 26 39.6 L T05
2016-03-08 14:12:25 C 14 04 35.64 +23 26 35.4 L T05
2016-03-08 14:52:16 C 14 04 34.31 +23 26 28.1 L T05
2016-03-11 10:45:01 C 14 02 51.06 +23 14 29.5 u 926
2016-03-11 11:10:19 C 14 02 50.05 +23 14 24.2 u 926
2016-03-11 11:35:55 C 14 02 49.07 +23 14 18.9 u 926
2016-03-12 08:45:29 C 14 02 11.43 +23 09 59.5 t 754
2016-03-12 08:56:43 C 14 02 10.95 +23 09 57.1 t 754
2016-03-12 09:07:56 C 14 02 10.53 +23 09 54.7 t 754
2016-03-12 09:41:29 C 14 02 09.21 +23 09 47.7 t 754
2016-03-12 09:52:42 C 14 02 08.74 +23 09 44.9 t 754
2016-03-12 10:25:26 C 14 02 07.45 +23 09 37.8 t 754
2016-03-12 10:47:40 C 14 02 06.57 +23 09 32.6 t 754
2016-03-12 10:51:10 C 14 02 07.11 +23 09 40.2 u 926
2016-03-12 11:20:56 C 14 02 05.87 +23 09 33.7 u 926
2016-03-12 11:43:22 C 14 02 04.95 +23 09 28.6 u 926
2016-03-13 11:03:14 C 14 01 19.66 +23 04 29.7 u 926
2016-03-13 11:24:50 C 14 01 18.73 +23 04 24.6 u 926
2016-03-13 11:54:26 C 14 01 17.46 +23 04 17.2 u 926
2016-03-14 11:45:22 C 14 00 27.85 +22 58 50.5 u 926
2016-03-14 12:13:13 C 14 00 26.62 +22 58 43.2 u 926
2016-03-14 12:33:39 C 14 00 25.73 +22 58 37.6 u 926
2016-03-15 08:26:13 C 13 59 44.40 +22 53 49.9 q 703
2016-03-15 08:37:10 C 13 59 43.90 +22 53 47.7 q 703
2016-03-15 08:48:08 C 13 59 43.37 +22 53 44.8 q 703
2016-03-15 08:59:08 C 13 59 42.84 +22 53 42.4 q 703
2016-03-16 12:25:14 C 13 58 39.64 +22 46 46.5 L T05
2016-03-16 12:31:55 C 13 58 39.34 +22 46 44.9 L T05
2016-03-16 13:11:51 C 13 58 37.32 +22 46 34.1 L T05
2016-03-16 13:45:16 C 13 58 35.69 +22 46 24.7 L T05
2016-03-16 18:09:54 C 13 58 25.98 +22 45 06.5 q D29
2016-03-16 18:32:49 C 13 58 24.86 +22 45 00.0 q D29
2016-03-16 18:55:42 C 13 58 23.76 +22 44 54.3 q D29
2016-03-17 06:35:54 C 13 57 57.41 +22 41 39.2 R G45
2016-03-17 06:36:23 C 13 57 57.38 +22 41 39.1 R G45
2016-03-17 06:42:56 C 13 57 57.08 +22 41 37.5 R G45
2016-03-17 06:43:25 C 13 57 57.06 +22 41 37.5 R G45
2016-03-17 06:48:58 C 13 57 56.78 +22 41 36.0 R G45
2016-03-17 06:50:25 C 13 57 56.72 +22 41 35.6 R G45
2016-03-17 06:56:08 C 13 57 56.45 +22 41 34.3 R G45
2016-03-17 06:57:35 C 13 57 56.38 +22 41 33.9 R G45
2016-03-17 07:03:21 C 13 57 56.10 +22 41 32.4 R G45
2016-03-17 07:04:48 C 13 57 56.03 +22 41 31.9 R G45
2016-03-19 02:06:45 C 13 56 07.06 +22 28 55.9 q 160
2016-03-19 02:09:02 C 13 56 06.94 +22 28 55.3 q 160
2016-03-19 02:11:18 C 13 56 06.79 +22 28 54.5 q 160
2016-03-19 07:49:15 C 13 55 53.58 +22 27 17.1 u 926
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)