2015 WF13

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4587610834 ± 3.08e-07
Semi-major axis (a)1.8571495872 AU ± 1.08e-06
Inclination (i)11.69567317° ± 6.51e-06
Long. of Asc. Node (Ω)71.09774846° ± 2.15e-06
Arg. of Perihelion (ω)359.18742483° ± 2.16e-05
Mean Anomaly (M)337.33620774° ± 1.25e-03
Mean Motion (n)0.3894412468°/day ± 3.39e-07
Perihelion dist (q)1.00516163 AU ± 8.17e-07
Aphelion dist (Q)2.70913754 AU ± 1.67e-06
Orbital Period2.53087286 yr ± 2.20e-06
Physical Parameters
H (abs. magnitude)23.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.490″
Uncertainty1
Orbit TypeApollo
MOID0.018522 AU
Observations Used198
Radar Obs Used4
Oppositions1
Arc Total2015-2015
First Observation Used2015-11-29
Last Observation Used2015-12-17
Observations (211)
Date Type RA Dec Mag Band Observatory
2015-12-05 17:54:46 C 01 28 32.96 +14 38 13.4 q 204
2015-12-05 17:55:56 C 01 28 33.16 +14 38 42.3 q 204
2015-12-05 18:22:14 C 01 28 37.95 +14 49 37.1 q 204
2015-12-05 18:23:24 C 01 28 38.16 +14 50 06.0 q 204
2015-12-05 18:24:34 C 01 28 38.37 +14 50 35.3 q 204
2015-12-05 20:18:30 C 01 28 57.38 +15 37 37.7 q 246
2015-12-05 20:19:27 C 01 28 57.56 +15 38 01.7 q 246
2015-12-05 20:19:52 C 01 28 57.64 +15 38 11.5 q 246
2015-12-05 20:20:28 C 01 28 57.73 +15 38 26.1 q 246
2015-12-05 20:21:40 C 01 28 57.94 +15 38 56.1 q 246
2015-12-05 20:22:56 C 01 28 58.19 +15 39 28.4 q 246
2015-12-05 20:23:39 C 01 28 58.32 +15 39 45.3 q 246
2015-12-06 01:24:22 C 01 30 27.41 +17 46 59.2 u 926
2015-12-06 01:26:13 C 01 30 27.75 +17 47 46.8 u 926
2015-12-06 01:28:05 C 01 30 28.10 +17 48 34.0 u 926
2015-12-06 02:26:20 C 01 30 38.86 +18 13 22.9 u 926
2015-12-06 02:28:13 C 01 30 39.20 +18 14 10.4 u 926
2015-12-06 02:30:05 C 01 30 39.53 +18 14 57.9 u 926
2015-12-06 03:26:20 C 01 30 49.56 +18 38 54.6 u 926
2015-12-06 03:28:12 C 01 30 49.89 +18 39 41.8 u 926
2015-12-06 03:30:03 C 01 30 50.22 +18 40 29.2 u 926
2015-12-06 20:43:33 C 01 35 29.98 +26 04 26.4 q 246
2015-12-06 20:44:08 C 01 35 30.13 +26 04 42.3 q 246
2015-12-06 20:44:32 C 01 35 30.21 +26 04 52.3 q 246
2015-12-06 20:44:51 C 01 35 30.27 +26 05 00.5 q 246
2015-12-06 20:45:21 C 01 35 30.39 +26 05 13.5 q 246
2015-12-06 20:45:57 C 01 35 30.55 +26 05 29.5 q 246
2015-12-06 20:46:16 C 01 35 30.61 +26 05 37.9 q 246
2015-12-06 20:46:35 C 01 35 30.69 +26 05 45.7 q 246
2015-12-07 01:31:06 C 01 37 14.06 +28 10 49.2 u 926
2015-12-07 01:33:17 C 01 37 14.59 +28 11 47.7 u 926
2015-12-07 01:35:28 C 01 37 15.10 +28 12 45.1 u 926
2015-12-07 04:19:40 C 01 37 52.88 +29 24 36.7 u 926
2015-12-07 04:21:52 C 01 37 53.38 +29 25 33.8 u 926
2015-12-07 04:24:04 C 01 37 53.88 +29 26 31.0 u 926
2015-12-07 06:03:32 C 01 38 17.24 +30 09 26.2 u 926
2015-12-07 06:05:43 C 01 38 17.81 +30 10 23.5 u 926
2015-12-07 06:07:54 C 01 38 18.34 +30 11 20.9 u 926
2015-12-07 18:33:41 C 01 42 49.08 +35 31 33.3 q 246
2015-12-07 18:34:03 C 01 42 49.19 +35 31 42.5 q 246
2015-12-07 18:34:24 C 01 42 49.29 +35 31 51.6 q 246
2015-12-07 18:34:47 C 01 42 49.40 +35 32 01.0 q 246
2015-12-07 18:35:09 C 01 42 49.51 +35 32 10.5 q 246
2015-12-07 18:35:28 C 01 42 49.60 +35 32 18.6 q 246
2015-12-07 18:35:47 C 01 42 49.68 +35 32 27.0 q 246
2015-12-07 20:32:56 C 01 43 28.36 +36 22 12.0 q J69
2015-12-07 20:36:49 C 01 43 29.51 +36 23 51.6 q J69
2015-12-07 20:40:41 C 01 43 30.67 +36 25 30.3 q J69
2015-12-07 20:44:34 C 01 43 31.83 +36 27 08.7 q J69
2015-12-07 20:48:26 C 01 43 32.97 +36 28 47.3 q J69
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-12-06 01:07:00 25165.1434 2 Hz 2380 -1 -1
2015-12-06 01:17:00 28173988.37 4 us 2380 -1 -1
2015-12-07 01:29:00 27723174.28 0.5 us 2380 -1 -1
2015-12-07 01:54:00 27724446.03 0.5 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)