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
2001-12-18 11:36:19 C 10 43 26.66 +01 33 25.6 18.8 c 704
2001-12-18 11:57:40 C 10 43 32.35 +01 33 17.4 17.8 c 704
2001-12-18 12:20:15 C 10 43 38.37 +01 33 10.0 18.0 c 704
2001-12-18 12:42:16 C 10 43 44.29 +01 33 02.2 18.2 c 704
2001-12-20 11:00:48 C 10 56 30.72 +01 17 45.2 17.6 c 704
2001-12-20 11:24:25 C 10 56 37.05 +01 17 37.7 18.3 c 704
2001-12-20 11:46:21 C 10 56 42.90 +01 17 30.8 18.0 c 704
2001-12-20 12:08:26 C 10 56 48.81 +01 17 23.4 17.7 c 704
2001-12-20 12:30:28 C 10 56 54.71 +01 17 16.5 18.1 c 704
2002-01-01 17:26:15 C 12 14 29.58 +00 05 51.0 c 413
2002-01-01 17:27:47 C 12 14 29.94 +00 05 50.9 c 413
2002-01-03 18:04:33 C 12 26 22.27 -00 01 46.5 c 413
2002-01-03 18:06:02 C 12 26 22.61 -00 01 46.3 c 413
2002-01-03 18:07:31 C 12 26 22.95 -00 01 47.2 c 413
2002-01-11 10:41:45 C 13 07 49.53 -00 20 16.0 c 696
2002-01-11 10:48:46 C 13 07 51.00 -00 20 15.8 c 696
2002-01-12 11:15:36 C 13 12 52.30 -00 21 23.7 18.3 c 704
2002-01-12 11:37:40 C 13 12 56.67 -00 21 24.9 19.7 c 704
2002-01-12 11:59:42 C 13 13 00.95 -00 21 25.7 18.3 c 704
2002-01-12 12:12:17 C 13 13 03.75 -00 21 25.0 c 670
2002-01-12 12:14:05 C 13 13 04.16 -00 21 26.0 c 670
2002-01-12 12:21:58 C 13 13 05.31 -00 21 26.8 18.7 c 704
2002-01-12 12:44:06 C 13 13 09.64 -00 21 27.1 18.6 c 704
2002-01-12 13:28:33 C 13 13 19.98 -00 21 22.9 19.2 c 608
2002-01-12 13:43:48 C 13 13 22.99 -00 21 23.6 19.5 c 608
2002-01-12 13:59:51 C 13 13 26.15 -00 21 24.2 18.9 c 608
2002-01-19 11:40:35 C 13 44 31.64 -00 22 00.0 18.6 c 704
2002-01-19 12:02:47 C 13 44 35.29 -00 21 59.5 18.1 c 704
2002-01-19 12:26:09 C 13 44 39.21 -00 21 58.9 18.2 c 704
2002-01-19 12:47:46 C 13 44 42.77 -00 21 58.2 18.5 c 704
2002-02-10 11:08:53 C 14 53 17.25 +00 38 54.1 18.8 c 704
2002-02-10 11:30:21 C 14 53 19.03 +00 38 58.1 18.7 c 704
2002-02-10 11:51:54 C 14 53 20.90 +00 39 02.2 19.1 c 704
2002-02-10 12:12:17 C 14 53 22.61 +00 39 06.5 18.8 c 704
2002-02-10 12:34:37 C 14 53 24.56 +00 39 11.0 19.0 c 704
2002-02-11 11:01:24 C 14 55 25.24 +00 43 36.7 18.2 c 704
2002-02-11 11:22:12 C 14 55 26.93 +00 43 40.4 18.7 c 704
2002-02-11 11:44:25 C 14 55 28.77 +00 43 44.6 19.2 c 704
2002-02-11 12:05:11 C 14 55 30.42 +00 43 48.3 19.3 c 704
2002-02-11 12:26:00 C 14 55 32.19 +00 43 55.1 16.7 c 704
2002-02-12 11:06:27 C 14 57 29.61 +00 48 28.9 18.6 c 704
2002-02-12 11:49:44 C 14 57 33.03 +00 48 38.6 18.5 c 704
2002-02-12 12:11:13 C 14 57 34.67 +00 48 42.5 18.9 c 704
2002-02-12 12:31:52 C 14 57 36.25 +00 48 46.5 19.1 c 704
2002-02-13 11:28:58 C 14 59 30.42 +00 53 35.3 19.4 c 704
2002-02-13 11:42:43 C 14 59 31.54 +00 53 38.4 18.7 c 704
2002-02-13 12:04:00 C 14 59 33.07 +00 53 42.8 19.1 c 704
2002-02-13 12:13:05 C 14 59 33.77 +00 53 44.7 19.4 c 704
2002-02-13 12:25:02 C 14 59 34.61 +00 53 47.7 19.3 c 704
2002-02-13 12:34:05 C 14 59 35.32 +00 53 49.7 19.5 c 704
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)