2015 WA13

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2731553000
Semi-major axis (a)1.3777358000 AU
Inclination (i)4.82048000°
Long. of Asc. Node (Ω)68.38795000°
Arg. of Perihelion (ω)9.88531000°
Mean Anomaly (M)54.45209000°
Mean Motion (n)0.6094739600°/day
Perihelion dist (q)1.00140000 AU
Aphelion dist (Q)1.75407160 AU
Orbital Period1.61714480 yr
Physical Parameters
H (abs. magnitude)26.10
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date2026-04-13
RMS Residual0.500″
Uncertainty5
Orbit TypeAmor
MOID0.016918 AU
Observations Used80
Radar Obs Used3
Oppositions1
Arc Total
First Observation Used
Last Observation Used2016-01-03
Observations (81)
Date Type RA Dec Mag Band Observatory
2015-12-08 01:45:45 C 03 30 24.01 +50 12 27.4 u 926
2015-12-08 01:48:36 C 03 30 26.62 +50 13 14.1 u 926
2015-12-08 04:18:44 C 03 32 37.06 +50 53 03.1 u 926
2015-12-08 04:21:35 C 03 32 39.53 +50 53 47.5 u 926
2015-12-08 04:24:26 C 03 32 41.89 +50 54 31.5 u 926
2015-12-08 04:27:23 C 03 32 44.44 +50 55 17.4 u 926
2015-12-08 04:30:13 C 03 32 46.77 +50 56 00.3 u 926
2015-12-08 04:33:05 C 03 32 49.27 +50 56 44.9 u 926
2015-12-09 09:55:06 C 04 05 40.52 +57 41 40.9 u 926
2015-12-09 09:58:27 C 04 05 44.42 +57 42 19.7 u 926
2015-12-09 10:01:49 C 04 05 48.47 +57 42 58.2 u 926
2015-12-09 21:00:06 C 04 21 36.68 +59 55 13.0 t 511
2015-12-09 21:01:12 C 04 21 38.08 +59 55 26.7 t 511
2015-12-09 21:02:18 C 04 21 39.45 +59 55 40.1 t 511
2015-12-09 21:02:51 C 04 21 40.25 +59 55 47.2 t 511
2015-12-09 21:03:24 C 04 21 40.78 +59 55 52.5 t 511
2015-12-09 21:04:14 C 04 21 41.79 +59 56 02.4 t 511
2015-12-09 21:04:47 C 04 21 42.44 +59 56 08.0 t 511
2015-12-09 21:06:00 C 04 21 44.07 +59 56 23.6 t 511
2015-12-09 21:06:18 C 04 21 44.39 +59 56 27.0 t 511
2015-12-09 21:07:12 C 04 21 45.58 +59 56 38.1 t 511
2015-12-09 21:07:31 C 04 21 45.98 +59 56 41.7 t 511
2015-12-09 21:07:49 C 04 21 46.39 +59 56 45.5 t 511
2015-12-09 21:08:25 C 04 21 47.12 +59 56 52.6 t 511
2015-12-09 21:08:43 C 04 21 47.46 +59 56 56.1 t 511
2015-12-16 11:47:10 C 08 48 33.48 +68 58 35.6 o 926
2015-12-16 11:52:03 C 08 48 38.49 +68 58 24.1 o 926
2015-12-16 11:56:57 C 08 48 43.52 +68 58 12.8 o 926
2016-01-03 09:54:48 C 11 11 04.48 +55 42 48.7 u H21
2016-01-03 10:15:33 C 11 11 04.20 +55 42 28.2 u H21
2016-01-03 10:42:06 C 11 11 03.78 +55 42 00.5 u H21
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-12-04 03:05:00 19748.8439 2.59 Hz 2380 -1 -1
2015-12-05 02:50:00 19505046.05 4 us 2380 -1 -1
2015-12-06 02:21:00 19180545.94 0.5 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)