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
2002-04-16 21:55:41 C 14 45 24.90 +06 14 12.0 c 143
2002-04-18 08:38:44 C 14 43 06.21 +06 11 43.2 19.0 c 704
2002-04-18 08:58:11 C 14 43 04.80 +06 11 43.3 18.9 c 704
2002-04-18 09:17:32 C 14 43 03.48 +06 11 41.1 18.9 c 704
2002-04-22 06:19:50 C 14 37 01.27 +06 01 00.9 18.5 c 704
2002-04-22 06:39:01 C 14 36 59.95 +06 00 57.7 18.7 c 704
2002-04-22 06:58:18 C 14 36 58.63 +06 00 55.7 18.8 c 704
2002-04-22 07:17:30 C 14 36 57.33 +06 00 52.5 18.7 c 704
2002-04-22 07:36:52 C 14 36 56.04 +06 00 49.4 18.8 c 704
2002-05-05 08:35:36 C 14 19 25.59 +04 47 19.3 19.5 c 644
2002-05-05 09:06:01 C 14 19 24.07 +04 47 09.6 19.4 c 644
2002-05-05 09:36:10 C 14 19 22.59 +04 47 00.1 19.5 c 644
2002-05-06 08:04:40 C 14 18 21.23 +04 39 50.3 19.5 c 644
2002-05-06 08:19:45 C 14 18 20.50 +04 39 45.3 19.2 c 644
2002-05-06 08:34:47 C 14 18 19.77 +04 39 40.7 19.3 c 644
2002-05-07 06:27:41 C 14 17 22.13 +04 32 31.2 18.7 c 704
2002-05-07 06:45:24 C 14 17 21.30 +04 32 25.4 19.0 c 704
2002-05-07 07:03:06 C 14 17 20.45 +04 32 20.0 19.0 c 704
2002-05-07 07:20:49 C 14 17 19.62 +04 32 14.1 19.2 c 704
2002-05-07 07:38:34 C 14 17 18.86 +04 32 07.9 19.4 c 704
2002-05-12 07:12:36 C 14 12 39.69 +03 49 44.1 20.0 c 644
2002-05-12 07:41:35 C 14 12 38.58 +03 49 33.0 20.3 c 644
2002-05-12 08:11:30 C 14 12 37.47 +03 49 21.7 20.3 c 644
2002-05-14 23:30:02 C 14 10 35.69 +03 24 56.9 c 198
2002-06-17 04:36:08 C 14 08 07.86 -02 34 03.9 d 291
2002-06-17 04:42:11 C 14 08 07.95 -02 34 06.7 d 291
2002-06-17 04:47:55 C 14 08 08.06 -02 34 09.1 d 291
2005-05-05 13:44:03 C 17 42 52.06 -14 39 07.1 o F65
2005-05-05 13:46:43 C 17 42 51.98 -14 39 07.1 o F65
2005-05-05 13:49:24 C 17 42 51.89 -14 39 07.4 o F65
2005-06-17 04:27:00 C 16 44 55.42 -15 14 48.6 d 291
2005-06-17 04:33:05 C 16 44 55.09 -15 14 49.0 d 291
2006-08-16 09:06:21 C 22 13 46.43 -17 38 17.9 c 568
2006-08-16 10:03:26 C 22 13 43.74 -17 38 37.2 c 568
2006-08-16 10:35:58 C 22 13 42.14 -17 38 48.4 c 568
2006-08-16 12:09:43 C 22 13 37.64 -17 39 20.8 c 568
2009-08-25 05:42:12 C 23 23 24.19 -13 13 48.0 o H55
2009-08-25 06:06:12 C 23 23 23.15 -13 13 57.5 o H55
2009-08-25 06:30:38 C 23 23 22.11 -13 14 08.1 o H55
2012-09-21 07:27:21 C 00 48 38.80 -08 25 38.7 u 448
2012-09-21 08:26:47 C 00 48 35.95 -08 26 09.1 u 448
2012-09-21 09:18:31 C 00 48 33.43 -08 26 32.7 u 448
2012-10-10 08:33:52 c 00 23 57.957 -11 56 30.61 L F51
2012-10-10 08:53:55 c 00 23 56.745 -11 56 38.64 L F51
2012-10-10 09:13:59 c 00 23 55.549 -11 56 46.65 L F51
2012-10-10 09:34:01 c 00 23 54.344 -11 56 54.29 L F51
2015-10-09 19:39:18 C 04 37 36.06 +07 29 48.0 q D29
2015-10-09 20:12:19 C 04 37 38.07 +07 29 40.1 q D29
2015-10-09 20:45:20 C 04 37 40.10 +07 29 33.0 q D29
2015-10-14 20:18:42 C 04 45 22.92 +07 01 37.4 q D29
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)