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
2016-01-03 15:08:15 C 08 13 57.11 +08 37 49.6 o 300
2016-01-03 15:10:04 C 08 13 57.66 +08 37 52.8 o 300
2016-01-03 15:11:52 C 08 13 58.28 +08 37 56.3 o 300
2016-01-03 15:13:40 C 08 13 58.91 +08 38 00.1 o 300
2016-01-03 15:15:29 C 08 13 59.54 +08 38 03.4 o 300
2016-01-04 12:00:06 C 08 21 39.18 +09 17 46.0 L T05
2016-01-04 12:25:12 C 08 21 48.02 +09 18 34.5 L T05
2016-01-04 12:44:33 C 08 21 54.87 +09 19 11.8 L T05
2016-01-04 13:15:16 C 08 22 05.75 +09 20 10.8 L T05
2016-01-05 10:13:14 C 08 30 12.10 +10 01 12.9 q H45
2016-01-05 10:14:09 C 08 30 12.46 +10 01 14.6 q H45
2016-01-05 10:15:03 C 08 30 12.78 +10 01 16.4 q H45
2016-01-05 10:15:57 C 08 30 13.15 +10 01 18.1 q H45
2016-01-05 10:16:37 C 08 30 13.38 +10 01 19.4 q H45
2016-01-05 10:17:35 C 08 30 13.75 +10 01 21.5 q H45
2016-01-07 05:18:26 C 08 47 58.28 +11 32 14.5 r Y00
2016-01-07 05:19:59 C 08 47 58.89 +11 32 17.5 r Y00
2016-01-07 05:21:27 C 08 47 59.46 +11 32 20.8 r Y00
2016-01-07 23:54:54 C 08 56 05.64 +12 10 13.7 o Z80
2016-01-07 23:56:43 C 08 56 06.47 +12 10 18.1 o Z80
2016-01-07 23:58:16 C 08 56 07.17 +12 10 21.6 o Z80
2016-01-08 00:00:01 C 08 56 07.87 +12 10 26.0 o Z80
2016-01-08 00:01:52 C 08 56 08.64 +12 10 29.8 o Z80
2016-01-08 00:03:42 C 08 56 09.39 +12 10 33.4 o Z80
2016-01-08 00:05:31 C 08 56 10.19 +12 10 36.8 o Z80
2016-01-08 00:07:22 C 08 56 10.98 +12 10 41.0 o Z80
2016-01-08 00:09:12 C 08 56 11.70 +12 10 45.6 o Z80
2016-01-08 00:11:02 C 08 56 12.51 +12 10 49.6 o Z80
2016-01-08 00:12:53 C 08 56 13.27 +12 10 53.6 o Z80
2016-01-08 00:14:43 C 08 56 14.05 +12 10 57.4 o Z80
2016-01-08 00:16:32 C 08 56 14.80 +12 11 01.7 o Z80
2016-01-08 00:18:23 C 08 56 15.60 +12 11 05.5 o Z80
2016-01-08 00:20:13 C 08 56 16.37 +12 11 09.5 o Z80
2016-01-08 00:22:02 C 08 56 17.17 +12 11 13.6 o Z80
2016-01-08 00:23:53 C 08 56 17.95 +12 11 17.4 o Z80
2016-01-08 00:25:43 C 08 56 18.72 +12 11 21.8 o Z80
2016-01-08 00:27:37 C 08 56 19.50 +12 11 25.7 o Z80
2016-01-08 00:29:45 C 08 56 20.43 +12 11 30.4 o Z80
2016-01-08 20:48:48 C 09 05 28.01 +12 55 41.1 q G34
2016-01-08 20:53:04 C 09 05 29.90 +12 55 50.8 q G34
2016-01-08 20:57:19 C 09 05 31.78 +12 56 00.3 q G34
2016-01-08 21:01:34 C 09 05 33.66 +12 56 09.7 q G34
2016-01-08 21:05:49 C 09 05 35.55 +12 56 19.3 q G34
2016-01-08 21:10:03 C 09 05 37.44 +12 56 29.1 q G34
2016-01-10 12:36:25 C 09 23 50.39 +14 23 44.2 u 926
2016-01-10 12:41:23 C 09 23 52.76 +14 23 55.2 u 926
2016-01-10 12:46:50 C 09 23 55.18 +14 24 06.5 u 926
2016-01-11 10:36:45 C 09 34 26.92 +15 11 47.0 q H45
2016-01-11 10:37:58 C 09 34 27.49 +15 11 49.7 q H45
2016-01-11 10:38:38 C 09 34 27.79 +15 11 50.9 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)