620071 (2011 WN15)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8580969780 ± 6.64e-08
Semi-major axis (a)1.2169399810 AU ± 5.06e-09
Inclination (i)33.42004606° ± 1.74e-05
Long. of Asc. Node (Ω)75.53548371° ± 2.40e-06
Arg. of Perihelion (ω)218.58588748° ± 7.99e-06
Mean Anomaly (M)183.13554264° ± 6.75e-06
Mean Motion (n)0.7341901217°/day ± 4.58e-09
Perihelion dist (q)0.17268746 AU ± 8.09e-08
Aphelion dist (Q)2.26119250 AU ± 8.14e-08
Orbital Period1.34246737 yr ± 8.38e-09
NGA Modelr2
A21.32692774e-14 ± 4.37e-15 AU/d²
Physical Parameters
H (abs. magnitude)19.64
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.408″
Uncertainty0
Orbit TypeApollo
MOID0.003673 AU
Observations Used322
Radar Obs Used8
Oppositions2
Arc Total2011-2020
First Observation Used2011-11-22
Last Observation Used2020-01-20
Observations (335)
Date Type RA Dec Mag Band Observatory
2015-12-09 09:01:50 C 06 34 09.86 +43 19 31.9 q H45
2015-12-09 09:02:58 C 06 34 07.93 +43 19 35.4 q H45
2015-12-09 11:19:54 C 06 30 24.31 +43 26 53.5 L T05
2015-12-09 11:43:21 C 06 29 45.21 +43 28 01.3 L T05
2015-12-09 12:08:09 C 06 29 03.90 +43 29 11.2 L T05
2015-12-09 12:48:28 C 06 27 57.11 +43 31 01.1 L T05
2015-12-09 22:08:30 C 06 13 25.79 +43 51 20.2 q 006
2015-12-09 22:08:50 C 06 13 25.23 +43 51 20.9 q 006
2015-12-09 22:09:10 C 06 13 24.88 +43 51 21.5 q 006
2015-12-09 22:11:40 C 06 13 20.93 +43 51 26.2 q 006
2015-12-09 22:12:21 C 06 13 19.90 +43 51 27.6 q 006
2015-12-09 22:14:09 C 06 13 17.13 +43 51 31.1 q 006
2015-12-09 22:14:30 C 06 13 16.56 +43 51 31.4 q 006
2015-12-09 22:14:50 C 06 13 16.17 +43 51 32.2 q 006
2015-12-09 22:16:39 C 06 13 13.35 +43 51 35.3 q 006
2015-12-09 22:16:59 C 06 13 12.79 +43 51 36.1 q 006
2015-12-09 22:17:20 C 06 13 12.25 +43 51 36.8 q 006
2015-12-09 22:19:09 C 06 13 09.53 +43 51 40.3 q 006
2015-12-09 22:19:30 C 06 13 09.01 +43 51 40.8 q 006
2015-12-09 22:19:50 C 06 13 08.34 +43 51 41.5 q 006
2015-12-09 22:21:38 C 06 13 05.75 +43 51 45.0 q 006
2015-12-09 22:21:59 C 06 13 05.19 +43 51 45.6 q 006
2015-12-09 22:22:19 C 06 13 04.68 +43 51 46.2 q 006
2015-12-09 22:24:10 C 06 13 02.05 +43 51 49.5 q 006
2015-12-09 22:24:50 C 06 13 00.89 +43 51 51.0 q 006
2015-12-09 22:26:41 C 06 12 58.02 +43 51 54.5 q 006
2015-12-09 22:27:02 C 06 12 57.66 +43 51 55.0 q 006
2015-12-09 22:27:21 C 06 12 57.01 +43 51 55.6 q 006
2015-12-10 20:37:00 C 05 42 34.61 +44 11 30.6 q 006
2015-12-10 20:40:18 C 05 42 30.45 +44 11 31.3 q 006
2015-12-10 20:43:28 C 05 42 26.56 +44 11 32.8 q 006
2015-12-10 20:46:20 C 05 42 22.89 +44 11 33.6 q 006
2015-12-10 20:48:59 C 05 42 19.55 +44 11 34.4 q 006
2015-12-10 20:51:22 C 05 42 16.57 +44 11 35.1 q 006
2015-12-10 20:54:23 C 05 42 12.79 +44 11 35.6 q 006
2015-12-10 20:57:40 C 05 42 08.67 +44 11 36.7 q 006
2015-12-10 21:00:19 C 05 42 05.33 +44 11 37.1 q 006
2015-12-10 21:06:22 C 05 41 57.75 +44 11 39.1 q 006
2015-12-10 21:11:59 C 05 41 50.75 +44 11 40.2 q 006
2015-12-10 21:15:00 C 05 41 46.99 +44 11 41.2 q 006
2015-12-10 22:21:55 C 05 40 22.67 +44 11 48.8 q 246
2015-12-10 22:23:36 C 05 40 20.59 +44 11 48.9 q 246
2015-12-10 22:23:53 C 05 40 20.19 +44 11 49.0 q 246
2015-12-10 22:24:35 C 05 40 19.34 +44 11 49.1 q 246
2015-12-10 22:24:48 C 05 40 19.07 +44 11 49.1 q 246
2015-12-10 22:25:06 C 05 40 18.71 +44 11 49.1 q 246
2015-12-10 22:25:39 C 05 40 18.02 +44 11 49.3 q 246
2015-12-10 22:26:17 C 05 40 17.24 +44 11 49.2 q 246
2015-12-10 23:42:03 C 05 38 44.05 +44 11 58.1 c A24
2015-12-11 00:45:22 C 05 37 26.66 +44 11 55.4 c A24
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-12-03 09:38:00 211473.8293 2 Hz 2380 -1 -1
2015-12-03 09:59:00 91119814.58 4 us 2380 -1 -1
2015-12-04 10:01:00 85117281.92 0.5 us 2380 -1 -1
2015-12-05 08:54:00 82713893.69 0.5 us 2380 -1 -1
2015-12-06 08:27:00 83932869.53 0.5 us 2380 -1 -1
2019-12-12 22:01:00 -342376.3337 0.4 Hz 2380 -1 -1
2019-12-12 22:19:00 73085766.54 4 us 2380 -1 -1
2019-12-12 23:11:00 73540122.83 0.3 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)