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
2011-11-22 11:50:52 C 10 50 25.69 +06 35 50.9 r 703
2011-11-22 12:03:05 C 10 50 21.55 +06 36 52.6 r 703
2011-11-22 12:15:28 C 10 50 17.23 +06 37 58.4 r 703
2011-11-22 12:27:56 C 10 50 12.98 +06 39 03.0 r 703
2011-11-22 20:01:24 C 10 47 38.66 +07 18 36.2 o 300
2011-11-22 20:04:43 C 10 47 37.31 +07 18 53.6 o 300
2011-11-22 20:08:05 C 10 47 36.23 +07 19 11.1 o 300
2011-11-23 02:52:05 C 10 45 16.27 +07 54 47.5 u J95
2011-11-23 02:57:46 C 10 45 14.26 +07 55 18.3 u J95
2011-11-23 03:03:27 C 10 45 12.31 +07 55 47.8 u J95
2011-11-23 04:23:52 C 10 44 43.52 +08 03 03.4 t 204
2011-11-23 04:39:01 C 10 44 38.09 +08 04 25.0 t 204
2011-11-23 04:54:19 C 10 44 32.59 +08 05 46.7 t 204
2011-11-23 08:05:13 C 10 43 26.05 +08 23 36.3 o 807
2011-11-23 08:12:42 C 10 43 23.33 +08 24 17.0 o 807
2011-11-23 08:20:10 C 10 43 20.62 +08 24 57.7 o 807
2011-11-23 08:27:35 C 10 43 17.94 +08 25 37.9 o 807
2011-11-23 08:35:01 C 10 43 15.23 +08 26 18.0 o 807
2011-11-23 10:02:26 C 10 42 44.47 +08 33 38.3 c 854
2011-11-23 10:11:56 C 10 42 41.16 +08 34 27.4 c 854
2011-11-23 11:55:28 C 10 42 03.12 +08 43 53.1 o H01
2011-11-23 12:04:14 C 10 41 59.90 +08 44 41.0 o H01
2011-11-23 12:15:04 C 10 41 55.93 +08 45 40.0 o H01
2011-11-23 12:25:28 C 10 41 52.11 +08 46 37.0 o H01
2011-11-25 08:06:26 C 10 25 10.43 +12 55 42.4 o 807
2011-11-25 08:13:52 C 10 25 07.35 +12 56 26.6 o 807
2011-11-25 08:21:19 C 10 25 04.26 +12 57 10.7 o 807
2011-11-25 08:28:42 C 10 25 01.23 +12 57 54.4 o 807
2011-11-25 08:36:00 C 10 24 58.20 +12 58 37.5 o 807
2011-11-25 08:43:17 C 10 24 55.16 +12 59 20.7 o 807
2011-11-27 03:42:33 C 10 06 19.22 +17 20 16.8 o C81
2011-11-27 03:45:46 C 10 06 17.71 +17 20 36.8 o C81
2011-11-27 03:48:55 C 10 06 16.26 +17 20 56.4 o C81
2011-11-27 03:52:13 C 10 06 14.72 +17 21 17.0 o C81
2011-11-27 08:22:22 C 10 04 10.48 +17 50 08.9 o 807
2011-11-27 08:27:23 C 10 04 08.12 +17 50 40.4 o 807
2011-11-27 08:32:21 C 10 04 05.76 +17 51 11.7 o 807
2011-11-27 08:37:20 C 10 04 03.40 +17 51 42.9 o 807
2011-11-27 08:43:10 C 10 04 00.64 +17 52 19.9 o 807
2011-11-28 08:32:00 C 09 52 33.80 +20 22 37.3 o 807
2011-11-28 08:34:31 C 09 52 32.52 +20 22 53.2 o 807
2011-11-28 08:37:01 C 09 52 31.26 +20 23 09.3 o 807
2011-11-28 08:39:32 C 09 52 30.00 +20 23 25.3 o 807
2011-11-28 08:42:02 C 09 52 28.73 +20 23 41.0 o 807
2011-11-30 00:46:20 C 09 31 31.42 +24 37 24.2 o 046
2011-11-30 00:47:45 C 09 31 30.50 +24 37 34.2 o 046
2011-11-30 00:48:42 C 09 31 30.03 +24 37 41.0 o 046
2011-11-30 00:50:36 C 09 31 28.95 +24 37 51.4 o 046
2011-11-30 00:52:04 C 09 31 28.20 +24 38 02.8 o 046
2011-11-30 00:52:58 C 09 31 27.66 +24 38 07.7 o 046
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)