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
2011-11-30 09:12:26 C 09 26 49.71 +25 30 41.0 o H21
2011-11-30 09:14:28 C 09 26 48.56 +25 30 53.7 o H21
2011-11-30 09:16:35 C 09 26 47.34 +25 31 07.2 o H21
2011-11-30 09:18:42 C 09 26 46.14 +25 31 20.4 o H21
2011-11-30 09:21:25 C 09 26 44.59 +25 31 37.6 o H21
2011-11-30 09:24:59 C 09 26 42.55 +25 32 00.0 o H21
2011-11-30 09:27:05 C 09 26 41.36 +25 32 13.2 o H21
2011-11-30 09:29:10 C 09 26 40.17 +25 32 26.4 o H21
2011-11-30 09:31:11 C 09 26 39.01 +25 32 39.1 o H21
2011-11-30 09:53:51 C 09 26 26.36 +25 35 01.5 u H36
2011-11-30 09:57:08 C 09 26 24.48 +25 35 22.3 u H36
2011-11-30 10:00:18 C 09 26 22.68 +25 35 42.3 u H36
2011-11-30 10:03:36 C 09 26 20.78 +25 36 03.1 u H36
2011-12-01 09:05:01 C 09 13 03.71 +27 58 40.1 t H21
2011-12-01 09:09:36 C 09 13 00.96 +27 59 08.4 t H21
2011-12-01 09:14:11 C 09 12 58.20 +27 59 35.8 t H21
2011-12-01 09:23:22 C 09 12 53.42 +28 00 33.3 18.8 c 704
2011-12-01 09:41:57 C 09 12 42.23 +28 02 28.7 18.4 c 704
2011-12-01 10:00:33 C 09 12 31.12 +28 04 21.5 19.0 c 704
2011-12-01 10:19:11 C 09 12 19.88 +28 06 15.8 19.2 c 704
2011-12-01 10:38:48 C 09 12 07.96 +28 08 15.8 18.9 c 704
2011-12-05 19:58:49 C 08 03 59.81 +37 27 05.2 v C32
2011-12-05 20:00:25 C 08 03 58.77 +37 27 11.0 v C32
2011-12-05 20:02:00 C 08 03 57.48 +37 27 18.8 v C32
2011-12-05 20:03:36 C 08 03 56.47 +37 27 25.7 v C32
2011-12-06 01:22:48 C 08 00 16.75 +37 50 00.7 u J95
2011-12-06 01:28:10 C 08 00 13.05 +37 50 23.0 u J95
2011-12-06 01:33:24 C 08 00 09.43 +37 50 44.9 u J95
2011-12-09 23:31:48 C 06 56 28.64 +42 42 08.9 u J95
2011-12-09 23:38:46 C 06 56 24.05 +42 42 23.6 u J95
2011-12-09 23:46:34 C 06 56 18.94 +42 42 39.7 u J95
2011-12-10 07:39:47 C 06 51 11.67 +42 58 27.0 o H21
2011-12-10 07:43:26 C 06 51 09.27 +42 58 34.0 o H21
2011-12-10 07:47:30 C 06 51 06.60 +42 58 41.7 o H21
2011-12-10 07:51:40 C 06 51 03.89 +42 58 49.6 o H21
2011-12-11 03:03:23 C 06 38 54.11 +43 31 40.4 w B82
2011-12-11 03:24:37 C 06 38 40.75 +43 32 11.0 w B82
2011-12-11 03:45:52 C 06 38 27.37 +43 32 43.0 w B82
2011-12-11 04:07:05 C 06 38 14.04 +43 33 13.7 w B82
2011-12-11 04:28:20 C 06 38 00.78 +43 33 45.4 w B82
2011-12-11 07:39:56 C 06 36 03.54 +43 38 41.7 o H21
2011-12-11 07:44:06 C 06 36 00.93 +43 38 47.5 o H21
2011-12-11 07:48:26 C 06 35 58.22 +43 38 53.8 o H21
2011-12-11 07:52:49 C 06 35 55.48 +43 39 00.2 o H21
2011-12-11 07:56:55 C 06 35 52.91 +43 39 06.1 o H21
2011-12-11 08:00:12 C 06 35 50.84 +43 39 10.7 o H21
2011-12-11 08:02:52 C 06 35 49.19 +43 39 14.6 o H21
2011-12-12 07:34:19 C 06 21 40.12 +44 08 39.8 o H21
2011-12-12 07:39:01 C 06 21 37.31 +44 08 44.6 o H21
2011-12-12 07:43:51 C 06 21 34.44 +44 08 49.6 o H21
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)