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
2015-11-29 03:16:27 C 01 05 46.95 -26 53 47.9 R G45
2015-11-29 03:31:45 C 01 05 47.47 -26 51 41.1 R G45
2015-11-29 03:38:20 C 01 05 47.66 -26 50 46.4 R G45
2015-11-29 03:53:37 C 01 05 48.20 -26 48 39.9 R G45
2015-11-29 04:00:22 C 01 05 48.44 -26 47 44.1 R G45
2015-12-01 07:33:42 C 01 10 46.59 -18 04 25.2 L T05
2015-12-01 07:58:23 C 01 10 47.94 -17 59 20.8 L T05
2015-12-01 08:23:02 C 01 10 49.19 -17 54 14.1 L T05
2015-12-01 08:48:08 C 01 10 50.64 -17 48 59.9 L T05
2015-12-02 04:18:41 C 01 13 17.75 -13 28 29.8 q 703
2015-12-02 04:27:21 C 01 13 18.44 -13 26 25.3 q 703
2015-12-02 04:36:06 C 01 13 18.97 -13 24 18.4 q 703
2015-12-02 04:44:45 C 01 13 19.63 -13 22 12.6 q 703
2015-12-02 06:04:14 C 01 13 24.99 -13 02 53.3 t H01
2015-12-02 06:16:56 C 01 13 26.07 -12 59 46.2 t H01
2015-12-02 06:25:26 C 01 13 26.78 -12 57 40.7 t H01
2015-12-02 06:35:33 C 01 13 27.67 -12 55 10.8 t H01
2015-12-02 06:41:37 C 01 13 28.61 -12 53 37.6 q 703
2015-12-02 06:42:44 C 01 13 28.73 -12 53 21.1 q 703
2015-12-02 06:43:51 C 01 13 28.82 -12 53 04.0 q 703
2015-12-02 06:44:59 C 01 13 28.91 -12 52 48.0 q 703
2015-12-02 07:21:53 C 01 13 41.42 -12 43 18.0 L T05
2015-12-02 07:44:48 C 01 13 42.92 -12 37 36.2 L T05
2015-12-02 08:08:38 C 01 13 44.56 -12 31 41.4 L T05
2015-12-02 08:32:00 C 01 13 46.11 -12 25 52.3 L T05
2015-12-02 09:57:23 C 01 14 06.03 -12 01 07.9 q Q62
2015-12-02 09:59:55 C 01 14 06.21 -12 00 29.8 q Q62
2015-12-02 10:02:29 C 01 14 06.40 -11 59 51.3 q Q62
2015-12-03 02:41:09 C 01 16 30.60 -07 36 20.9 u 926
2015-12-03 02:43:29 C 01 16 30.78 -07 35 40.3 u 926
2015-12-03 02:45:52 C 01 16 31.00 -07 35 00.5 u 926
2015-12-03 03:15:53 C 01 16 33.62 -07 26 25.9 u 926
2015-12-03 03:18:16 C 01 16 33.84 -07 25 45.6 u 926
2015-12-03 03:20:37 C 01 16 34.09 -07 25 05.3 u 926
2015-12-03 03:22:58 C 01 16 34.25 -07 24 24.8 u 926
2015-12-03 03:25:18 C 01 16 34.44 -07 23 45.0 u 926
2015-12-03 03:27:40 C 01 16 34.66 -07 23 04.1 u 926
2015-12-03 07:51:48 C 01 17 09.34 -06 05 25.5 L T05
2015-12-03 08:15:25 C 01 17 11.45 -05 58 24.3 L T05
2015-12-03 08:38:12 C 01 17 13.45 -05 51 36.8 L T05
2015-12-04 04:35:55 C 01 20 38.38 +00 30 16.3 u 926
2015-12-04 04:38:17 C 01 20 38.65 +00 31 04.4 u 926
2015-12-04 04:40:40 C 01 20 38.91 +00 31 52.8 u 926
2015-12-05 01:56:42 C 01 24 59.05 +08 16 22.5 u 926
2015-12-05 01:59:05 C 01 24 59.38 +08 17 18.2 u 926
2015-12-05 02:01:26 C 01 24 59.67 +08 18 12.6 u 926
2015-12-05 03:31:39 C 01 25 12.46 +08 53 12.2 u 926
2015-12-05 03:33:59 C 01 25 12.78 +08 54 07.1 u 926
2015-12-05 03:36:23 C 01 25 13.11 +08 55 01.3 u 926
2015-12-05 17:53:35 C 01 28 32.74 +14 37 44.1 q 204
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)