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
2016-01-24 07:11:35 C 11 59 32.43 +22 52 50.9 u H21
2016-01-24 07:14:06 C 11 59 33.36 +22 52 52.7 u H21
2016-01-24 07:16:36 C 11 59 34.29 +22 52 54.5 u H21
2016-01-24 07:19:07 C 11 59 35.21 +22 52 56.6 u H21
2016-01-24 07:21:38 C 11 59 36.14 +22 52 58.5 u H21
2016-01-24 07:24:54 C 11 59 37.33 +22 53 00.9 u H21
2016-01-24 07:57:55 C 11 59 51.20 +22 53 30.3 t 705
2016-01-24 07:59:22 C 11 59 51.65 +22 53 31.2 t 705
2016-01-24 08:00:49 C 11 59 52.20 +22 53 33.4 t 705
2016-01-24 10:41:45 C 12 00 51.17 +22 55 30.8 u 926
2016-01-24 10:46:41 C 12 00 52.93 +22 55 34.3 u 926
2016-01-24 10:51:37 C 12 00 54.72 +22 55 37.7 u 926
2016-01-29 09:39:50 C 12 41 03.74 +23 48 39.0 t 754
2016-01-29 09:40:07 C 12 41 03.80 +23 48 39.1 t 754
2016-01-29 09:40:26 C 12 41 03.92 +23 48 38.9 t 754
2016-01-29 09:40:44 C 12 41 03.96 +23 48 38.8 t 754
2016-01-29 09:41:00 C 12 41 04.05 +23 48 39.3 t 754
2016-01-29 09:41:17 C 12 41 04.11 +23 48 39.7 t 754
2016-01-29 09:41:36 C 12 41 04.19 +23 48 39.5 t 754
2016-01-29 09:41:52 C 12 41 04.31 +23 48 38.7 t 754
2016-01-29 09:42:09 C 12 41 04.37 +23 48 39.7 t 754
2016-01-29 09:42:26 C 12 41 04.44 +23 48 39.5 t 754
2016-01-29 10:24:15 C 12 41 16.15 +23 49 01.8 q H45
2016-01-29 10:25:43 C 12 41 16.53 +23 49 02.2 q H45
2016-01-29 10:27:24 C 12 41 16.98 +23 49 02.6 q H45
2016-01-29 10:29:08 C 12 41 17.45 +23 49 03.0 q H45
2016-01-29 10:30:28 C 12 41 17.82 +23 49 03.5 q H45
2016-01-29 10:32:00 C 12 41 18.23 +23 49 03.8 q H45
2016-02-03 12:30:19 C 13 11 40.52 +24 08 54.4 q 703
2016-02-03 12:38:05 C 13 11 41.98 +24 08 54.8 q 703
2016-02-03 12:45:49 C 13 11 43.44 +24 08 55.3 q 703
2016-02-03 12:53:34 C 13 11 44.92 +24 08 55.6 q 703
2016-02-04 01:16:58 C 13 14 22.78 +24 09 29.5 u I61
2016-02-04 01:41:23 C 13 14 27.43 +24 09 33.1 u I61
2016-02-04 02:19:54 C 13 14 34.70 +24 09 38.0 u I61
2016-02-05 03:06:48 C 13 19 22.46 +24 11 05.1 q 160
2016-02-05 03:09:06 C 13 19 22.86 +24 11 05.3 q 160
2016-02-05 03:11:23 C 13 19 23.23 +24 11 05.5 q 160
2016-02-06 03:09:44 C 13 23 44.37 +24 12 00.8 q 160
2016-02-06 03:12:00 C 13 23 44.73 +24 12 00.9 q 160
2016-02-06 03:14:17 C 13 23 45.08 +24 12 01.1 q 160
2016-02-08 04:46:39 C 13 31 49.04 +24 13 08.0 16.0 c J43
2016-02-08 04:59:07 C 13 31 50.69 +24 13 08.2 16.1 c J43
2016-02-08 05:11:30 C 13 31 52.34 +24 13 07.8 16.0 c J43
2016-02-08 05:23:53 C 13 31 53.97 +24 13 07.9 16.0 c J43
2016-02-09 11:40:37 C 13 36 15.99 +24 13 05.4 q 703
2016-02-09 11:54:36 C 13 36 17.67 +24 13 05.4 q 703
2016-02-09 12:22:34 C 13 36 20.98 +24 13 05.0 q 703
2016-02-10 11:01:02 C 13 39 20.79 +24 12 48.5 q H45
2016-02-10 11:02:30 C 13 39 20.96 +24 12 48.4 q H45
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)