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
2016-06-09 07:29:08 C 13 32 23.329 +02 05 14.49 L F51
2018-11-09 12:20:32 C 11 36 54.82 +03 44 08.1 V G96
2018-11-09 12:29:01 C 11 36 56.25 +03 44 01.2 V G96
2018-11-09 12:37:31 C 11 36 57.71 +03 43 55.1 V G96
2018-11-09 12:46:00 C 11 36 59.15 +03 43 47.8 V G96
2019-05-26 09:44:19 C 16 59 35.645 -13 40 11.67 U F51
2019-05-26 10:15:59 C 16 59 33.551 -13 40 12.73 U F51
2019-05-26 10:31:49 C 16 59 32.499 -13 40 13.21 U F51
2019-05-31 11:15:19 C 16 51 50.243 -13 44 36.90 U F51
2019-05-31 11:33:57 C 16 51 49.020 -13 44 37.55 U F51
2019-05-31 11:52:33 C 16 51 47.804 -13 44 38.39 U F51
2019-06-01 10:05:28 C 16 50 23.730 -13 45 38.51 U F51
2019-06-01 10:22:52 C 16 50 22.593 -13 45 39.31 U F51
2019-06-01 10:40:16 C 16 50 21.458 -13 45 40.08 U F51
2019-06-01 10:57:39 C 16 50 20.322 -13 45 41.02 U F51
2019-06-03 11:21:04 C 16 47 18.372 -13 48 04.63 U F51
2019-06-03 11:39:21 C 16 47 17.202 -13 48 05.46 U F51
2019-06-03 11:57:41 C 16 47 16.026 -13 48 06.46 U F51
2019-06-08 08:57:59 C 16 40 11.205 -13 55 07.11 U F51
2019-06-08 09:12:58 C 16 40 10.290 -13 55 08.17 U F51
2019-06-08 09:27:54 C 16 40 09.385 -13 55 09.05 U F51
2019-06-08 09:42:50 C 16 40 08.483 -13 55 10.11 U F51
2019-06-25 09:10:26 C 16 20 09.969 -14 32 53.92 U F51
2019-06-25 09:27:31 C 16 20 09.287 -14 32 55.78 U F51
2019-06-25 09:44:39 C 16 20 08.626 -14 32 57.54 U F51
2019-07-04 08:43:42 C 16 13 28.291 -15 00 42.01 U F51
2019-07-04 09:00:51 C 16 13 27.847 -15 00 44.36 U F51
2019-07-04 09:17:58 C 16 13 27.418 -15 00 47.11 U F51
2019-07-04 09:35:03 C 16 13 26.956 -15 00 49.16 U F51
2020-08-19 11:30:29 C 22 01 29.814 -18 37 32.73 U F51
2020-08-19 11:43:28 C 22 01 29.175 -18 37 37.16 U F51
2020-08-19 11:56:30 C 22 01 28.536 -18 37 41.29 U F51
2023-10-06 06:34:53 C 22 30 11.794 -19 00 45.46 X F51
2023-10-06 06:50:40 C 22 30 11.242 -19 00 47.93 X F51
2023-10-06 07:22:12 C 22 30 10.066 -19 00 52.69 X 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)