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
2015-12-08 01:31:30 C 01 45 33.94 +38 29 15.4 u 926
2015-12-08 01:33:32 C 01 45 34.58 +38 30 07.3 u 926
2015-12-08 01:35:33 C 01 45 35.21 +38 30 59.2 u 926
2015-12-08 01:42:27 C 01 45 37.18 +38 33 51.0 q 703
2015-12-08 01:46:46 C 01 45 38.49 +38 35 41.5 q 703
2015-12-08 01:51:06 C 01 45 39.79 +38 37 31.5 q 703
2015-12-08 01:55:26 C 01 45 41.10 +38 39 22.2 q 703
2015-12-08 03:40:29 C 01 46 12.57 +39 23 37.6 u 926
2015-12-08 03:42:31 C 01 46 13.11 +39 24 30.4 u 926
2015-12-08 03:44:33 C 01 46 13.78 +39 25 21.2 u 926
2015-12-08 07:08:13 C 01 47 16.62 +40 48 40.2 u 926
2015-12-08 07:10:14 C 01 47 17.29 +40 49 28.8 u 926
2015-12-08 07:12:16 C 01 47 18.00 +40 50 17.5 u 926
2015-12-08 07:12:57 C 01 47 34.50 +40 52 26.5 L T05
2015-12-08 07:33:41 C 01 47 40.65 +41 00 55.4 L T05
2015-12-08 07:53:22 C 01 47 46.51 +41 08 56.7 L T05
2015-12-08 08:21:42 C 01 47 55.12 +41 20 27.8 L T05
2015-12-08 17:04:18 C 01 51 59.57 +44 47 33.6 q 246
2015-12-08 17:04:56 C 01 51 59.84 +44 47 49.1 q 246
2015-12-08 17:05:13 C 01 51 59.96 +44 47 55.8 q 246
2015-12-08 17:05:28 C 01 52 00.02 +44 48 02.1 q 246
2015-12-08 17:06:01 C 01 52 00.25 +44 48 15.3 q 246
2015-12-08 17:06:17 C 01 52 00.37 +44 48 21.5 q 246
2015-12-08 17:06:36 C 01 52 00.47 +44 48 28.8 q 246
2015-12-09 01:54:33 C 01 56 09.46 +48 13 34.5 u 926
2015-12-09 01:56:42 C 01 56 10.32 +48 14 24.8 u 926
2015-12-09 01:58:54 C 01 56 11.20 +48 15 15.2 u 926
2015-12-09 02:35:39 C 01 56 25.71 +48 29 18.5 u 926
2015-12-09 02:37:51 C 01 56 26.57 +48 30 08.6 u 926
2015-12-09 02:40:01 C 01 56 27.43 +48 30 58.7 u 926
2015-12-09 19:37:06 C 02 05 30.56 +54 32 56.8 t 511
2015-12-09 19:37:15 C 02 05 30.64 +54 32 59.8 t 511
2015-12-09 19:37:24 C 02 05 30.70 +54 33 03.0 t 511
2015-12-09 19:37:33 C 02 05 30.78 +54 33 06.0 t 511
2015-12-09 19:37:43 C 02 05 30.85 +54 33 09.2 t 511
2015-12-09 19:37:51 C 02 05 30.92 +54 33 12.3 t 511
2015-12-09 19:38:01 C 02 05 31.00 +54 33 15.4 t 511
2015-12-09 19:38:10 C 02 05 31.07 +54 33 18.4 t 511
2015-12-09 19:38:19 C 02 05 31.16 +54 33 21.6 t 511
2015-12-09 19:38:28 C 02 05 31.22 +54 33 24.7 t 511
2015-12-09 19:38:37 C 02 05 31.30 +54 33 27.7 t 511
2015-12-09 19:38:47 C 02 05 31.38 +54 33 30.9 t 511
2015-12-09 19:38:55 C 02 05 31.45 +54 33 34.0 t 511
2015-12-09 19:39:05 C 02 05 31.53 +54 33 37.0 t 511
2015-12-09 19:39:13 C 02 05 31.60 +54 33 40.2 t 511
2015-12-09 19:39:31 C 02 05 31.73 +54 33 46.2 t 511
2015-12-09 19:39:41 C 02 05 31.83 +54 33 49.5 t 511
2015-12-09 19:40:24 C 02 05 32.18 +54 34 04.1 t 511
2015-12-09 19:40:33 C 02 05 32.24 +54 34 07.1 t 511
2015-12-09 19:40:42 C 02 05 32.33 +54 34 10.1 t 511
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)