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
2000-07-31 01:03:05 C 20 17 19.17 -21 53 18.5 807
2000-07-31 02:42:06 C 20 17 14.19 -21 53 40.5 807
2001-11-18 12:56:51 C 07 50 26.06 +06 17 41.9 c 608
2001-11-18 13:12:12 C 07 50 28.88 +06 17 36.7 c 608
2001-11-18 13:27:39 C 07 50 31.70 +06 17 30.6 c 608
2001-11-23 14:15:51 C 08 14 31.74 +05 30 42.0 19.2 c 608
2001-11-23 14:30:33 C 08 14 34.70 +05 30 36.0 19.3 c 608
2001-11-23 14:45:55 C 08 14 37.78 +05 30 30.5 19.0 c 608
2001-11-24 10:56:25 C 08 18 51.41 +05 22 24.4 c 711
2001-11-24 11:06:40 C 08 18 53.20 +05 22 20.5 c 711
2001-11-25 02:58:22 C 08 22 15.41 +05 15 52.8 d 557
2001-11-25 03:00:02 C 08 22 15.76 +05 15 52.0 d 557
2001-11-25 03:05:04 C 08 22 16.81 +05 15 49.9 d 557
2001-11-25 03:53:06 C 08 22 26.93 +05 15 33.3 104
2001-11-25 03:55:24 C 08 22 27.43 +05 15 31.4 104
2001-11-25 03:57:49 C 08 22 27.89 +05 15 30.3 104
2001-11-25 04:00:29 C 08 22 28.46 +05 15 30.1 104
2001-11-25 04:03:10 C 08 22 29.06 +05 15 29.8 104
2001-11-25 10:57:14 C 08 23 59.19 +05 12 49.6 18.9 c 608
2001-11-25 11:05:07 C 08 23 59.77 +05 12 44.5 c 711
2001-11-25 11:12:36 C 08 24 02.46 +05 12 43.3 19.1 c 608
2001-11-25 11:13:37 C 08 24 01.43 +05 12 40.9 c 711
2001-11-25 11:22:11 C 08 24 03.17 +05 12 37.7 c 711
2001-11-25 11:27:28 C 08 24 05.54 +05 12 37.7 19.2 c 608
2001-11-26 03:04:03 C 08 27 26.64 +05 06 10.9 c 118
2001-11-26 03:07:25 C 08 27 27.37 +05 06 09.5 c 118
2001-11-26 03:11:33 C 08 27 28.27 +05 06 08.3 c 118
2001-11-26 03:16:20 C 08 27 29.33 +05 06 06.7 c 118
2001-12-03 04:03:57 C 09 06 23.37 +03 56 50.6 c 118
2001-12-03 04:08:24 C 09 06 24.47 +03 56 48.8 c 118
2001-12-03 04:12:51 C 09 06 25.47 +03 56 46.9 c 118
2001-12-03 17:29:56 C 09 09 41.13 +03 51 53.6 c 413
2001-12-03 17:31:55 C 09 09 41.60 +03 51 53.1 c 413
2001-12-03 17:33:54 C 09 09 42.08 +03 51 52.3 c 413
2001-12-06 08:53:00 C 09 25 31.78 +03 25 09.6 d 649
2001-12-06 08:56:57 C 09 25 32.78 +03 25 07.7 d 649
2001-12-06 08:59:54 C 09 25 33.49 +03 25 06.2 d 649
2001-12-10 11:12:14 C 09 51 06.15 +02 45 14.3 c 670
2001-12-10 12:06:28 C 09 51 19.42 +02 44 50.4 d 649
2001-12-10 12:07:50 C 09 51 19.78 +02 44 50.1 d 649
2001-12-10 12:09:12 C 09 51 20.16 +02 44 49.1 d 649
2001-12-10 12:24:09 C 09 51 24.69 +02 44 45.5 c 670
2001-12-10 13:25:35 C 09 51 40.64 +02 44 19.8 c 670
2001-12-12 11:11:49 C 10 03 57.03 +02 26 18.5 c 670
2001-12-12 11:15:35 C 10 03 58.04 +02 26 17.5 c 670
2001-12-13 09:10:10 C 10 09 54.10 +02 17 51.5 18.6 c 704
2001-12-13 09:32:12 C 10 09 59.95 +02 17 43.5 18.6 c 704
2001-12-13 09:53:57 C 10 10 05.70 +02 17 35.0 18.3 c 704
2001-12-13 10:16:36 C 10 10 11.69 +02 17 26.3 18.5 c 704
2001-12-18 11:14:22 C 10 43 20.74 +01 33 32.2 17.8 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)