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
2016-04-13 16:01:18 C 13 28 25.14 +17 28 42.5 q D29
2016-04-13 16:16:35 C 13 28 24.43 +17 28 34.0 q D29
2016-04-15 23:36:52 C 13 26 29.71 +16 52 26.9 q 160
2016-04-15 23:39:51 C 13 26 29.60 +16 52 24.8 q 160
2016-04-15 23:42:50 C 13 26 29.48 +16 52 22.6 q 160
2016-04-18 22:35:41 C 13 24 18.98 +16 04 58.4 q 160
2016-04-18 22:38:25 C 13 24 18.90 +16 04 56.7 q 160
2016-04-18 22:41:08 C 13 24 18.83 +16 04 54.9 q 160
2016-04-19 22:58:03 C 13 23 38.18 +15 48 23.6 q 160
2016-04-19 23:01:01 C 13 23 38.06 +15 48 22.2 q 160
2016-04-19 23:03:46 C 13 23 38.04 +15 48 20.4 q 160
2016-04-26 05:28:31 C 13 20 17.12 +14 03 58.8 q H21
2016-04-26 05:38:07 C 13 20 16.93 +14 03 52.2 q H21
2016-04-26 05:48:04 C 13 20 16.71 +14 03 45.1 q H21
2016-04-26 05:57:23 C 13 20 16.51 +14 03 37.7 q H21
2016-04-26 06:06:47 C 13 20 16.30 +14 03 31.8 q H21
2016-04-26 07:37:38 C 13 20 14.74 +14 02 29.4 q 703
2016-04-26 07:50:36 C 13 20 14.46 +14 02 19.8 q 703
2016-04-26 07:57:06 C 13 20 14.34 +14 02 16.8 q 703
2016-04-30 15:04:58 C 13 18 47.49 +12 49 24.4 q D29
2016-04-30 15:25:20 C 13 18 47.19 +12 49 10.0 q D29
2016-04-30 15:45:43 C 13 18 46.94 +12 48 54.5 q D29
2016-05-04 04:05:58 C 13 18 05.86 +11 49 04.9 R G45
2016-05-04 04:13:09 C 13 18 05.79 +11 48 59.7 R G45
2016-05-04 04:20:36 C 13 18 05.73 +11 48 54.6 R G45
2016-05-04 04:28:15 C 13 18 05.67 +11 48 48.7 R G45
2016-05-04 06:43:29 C 13 18 04.46 +11 47 13.5 q 703
2016-05-04 06:52:09 C 13 18 04.37 +11 47 07.8 q 703
2016-05-04 07:00:47 C 13 18 04.34 +11 47 00.6 q 703
2016-05-04 07:09:27 C 13 18 04.16 +11 46 53.7 q 703
2016-05-08 03:26:35 C 13 17 50.17 +10 41 29.9 R G45
2016-05-08 03:34:09 C 13 17 50.13 +10 41 24.0 R G45
2016-05-08 03:41:46 C 13 17 50.12 +10 41 19.0 R G45
2016-05-08 03:49:34 C 13 17 50.09 +10 41 13.4 R G45
2016-05-12 04:43:12 C 13 18 06.89 +09 32 56.3 q 703
2016-05-12 04:59:25 C 13 18 06.93 +09 32 45.2 q 703
2016-05-12 05:08:06 C 13 18 07.00 +09 32 38.2 q 703
2016-05-12 05:16:45 C 13 18 07.00 +09 32 32.4 q 703
2016-05-13 03:24:48 C 13 18 15.61 +09 17 00.7 R G45
2016-05-13 03:32:34 C 13 18 15.69 +09 16 55.9 R G45
2016-05-13 03:39:48 C 13 18 15.69 +09 16 50.8 R G45
2016-05-13 03:47:30 C 13 18 15.69 +09 16 46.0 R G45
2016-05-13 03:54:30 C 13 18 15.77 +09 16 40.5 R G45
2016-05-13 04:00:37 C 13 18 15.53 +09 16 35.3 u H21
2016-05-13 04:07:46 C 13 18 15.56 +09 16 30.4 u H21
2016-05-13 04:14:02 C 13 18 15.57 +09 16 25.9 u H21
2016-05-13 04:21:44 C 13 18 15.61 +09 16 20.9 u H21
2016-06-09 06:33:13 C 13 32 21.567 +02 05 49.24 L F51
2016-06-09 06:51:40 C 13 32 22.148 +02 05 37.70 L F51
2016-06-09 07:10:42 C 13 32 22.739 +02 05 25.85 L F51
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)