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
2015-10-14 20:44:07 C 04 45 24.45 +07 01 31.4 q D29
2015-10-14 21:09:31 C 04 45 25.98 +07 01 24.1 q D29
2015-10-22 10:09:26 C 04 56 50.685 +06 12 14.10 L F51
2015-10-22 10:27:02 C 04 56 51.730 +06 12 08.91 L F51
2015-10-22 10:44:43 C 04 56 52.781 +06 12 03.88 L F51
2015-10-22 11:02:26 C 04 56 53.817 +06 11 58.79 L F51
2015-11-02 09:14:59 C 05 12 54.54 +04 48 22.6 R G45
2015-11-02 09:23:02 C 05 12 54.96 +04 48 19.8 R G45
2015-11-02 09:33:22 C 05 12 55.56 +04 48 16.5 R G45
2015-11-02 09:33:51 C 05 12 55.27 +04 48 14.6 u H21
2015-11-02 09:36:15 C 05 12 55.40 +04 48 13.6 u H21
2015-11-02 09:38:32 C 05 12 55.53 +04 48 12.9 u H21
2015-11-02 09:40:15 C 05 12 55.93 +04 48 14.0 R G45
2015-11-02 09:40:35 C 05 12 55.65 +04 48 12.1 u H21
2015-11-02 09:43:05 C 05 12 55.80 +04 48 11.5 u H21
2015-11-02 19:05:26 C 05 13 29.84 +04 45 01.5 q D29
2015-11-02 19:26:59 C 05 13 31.05 +04 44 54.2 q D29
2015-11-02 19:48:32 C 05 13 32.25 +04 44 47.0 q D29
2015-11-03 10:58:09 C 05 14 26.88 +04 39 36.2 u H15
2015-11-03 11:12:01 C 05 14 27.65 +04 39 30.5 u H15
2015-11-03 11:26:59 C 05 14 28.56 +04 39 26.2 u H15
2015-11-04 23:05:28 C 05 16 37.42 +04 27 05.5 o C41
2015-11-04 23:16:35 C 05 16 38.06 +04 27 01.6 o C41
2015-11-06 11:38:51 C 05 18 48.08 +04 14 25.0 q 703
2015-11-06 11:45:23 C 05 18 48.47 +04 14 22.7 q 703
2015-11-06 11:51:57 C 05 18 48.83 +04 14 20.5 q 703
2015-11-06 11:58:30 C 05 18 49.18 +04 14 17.9 q 703
2015-11-07 09:20:44 C 05 20 06.53 +04 06 49.4 R G45
2015-11-07 09:28:03 C 05 20 06.94 +04 06 46.6 R G45
2015-11-07 09:33:27 C 05 20 07.22 +04 06 44.9 R G45
2015-11-07 09:40:52 C 05 20 07.65 +04 06 42.2 R G45
2015-11-08 09:16:42 C 05 21 32.40 +03 58 25.3 R G45
2015-11-08 09:23:26 C 05 21 32.74 +03 58 23.1 R G45
2015-11-08 09:30:36 C 05 21 33.14 +03 58 20.3 R G45
2015-11-08 09:40:36 C 05 21 33.70 +03 58 17.1 R G45
2015-11-08 09:47:56 C 05 21 34.11 +03 58 14.5 R G45
2015-11-14 09:16:01 C 05 30 10.70 +03 08 00.8 R G45
2015-11-14 09:23:27 C 05 30 11.03 +03 07 58.9 R G45
2015-11-14 09:29:51 C 05 30 11.43 +03 07 56.3 R G45
2015-11-14 09:36:38 C 05 30 11.81 +03 07 54.0 R G45
2015-11-14 09:43:14 C 05 30 12.14 +03 07 51.6 R G45
2015-11-14 10:49:07 C 05 30 15.81 +03 07 29.0 q 703
2015-11-14 10:54:53 C 05 30 16.13 +03 07 27.3 q 703
2015-11-14 11:00:39 C 05 30 16.46 +03 07 24.0 q 703
2015-11-14 11:06:25 C 05 30 16.82 +03 07 22.9 q 703
2015-11-16 11:55:02 C 05 33 15.71 +02 50 46.0 L T05
2015-11-16 12:26:28 C 05 33 17.39 +02 50 35.2 L T05
2015-11-16 13:09:02 C 05 33 19.77 +02 50 21.4 L T05
2015-11-16 13:37:51 C 05 33 21.33 +02 50 09.9 L T05
2015-11-19 09:00:30 C 05 37 31.75 +02 27 44.8 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)