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
2011-12-12 07:48:40 C 06 21 31.57 +44 08 54.7 o H21
2011-12-16 06:10:16 C 05 32 33.31 +44 52 04.3 18.4 c 704
2011-12-16 06:29:13 C 05 32 24.60 +44 52 03.4 18.5 c 704
2011-12-16 06:48:19 C 05 32 15.81 +44 52 03.5 18.7 c 704
2011-12-16 07:26:17 C 05 31 58.44 +44 52 02.4 18.7 c 704
2011-12-22 00:22:26 C 04 42 42.60 +43 59 44.6 t 130
2011-12-22 00:26:02 C 04 42 41.58 +43 59 42.2 t 130
2011-12-22 00:29:40 C 04 42 40.59 +43 59 39.9 t 130
2011-12-22 03:53:02 C 04 41 45.84 +43 57 39.2 t G58
2011-12-22 03:57:27 C 04 41 44.58 +43 57 37.3 t G58
2011-12-22 04:06:33 C 04 41 42.02 +43 57 31.7 t G58
2011-12-25 18:32:11 C 04 21 12.86 +43 01 39.3 u A13
2011-12-25 19:13:22 C 04 21 04.44 +43 01 12.9 u A13
2011-12-25 19:51:55 C 04 20 56.56 +43 00 48.1 u A13
2011-12-29 07:07:26 C 04 06 34.28 +42 05 51.5 r 703
2011-12-29 07:19:41 C 04 06 32.44 +42 05 43.1 r 703
2011-12-29 07:31:54 C 04 06 30.56 +42 05 34.7 r 703
2012-01-18 02:53:21 C 03 36 17.39 +38 21 29.7 o 695
2012-01-18 03:02:41 C 03 36 17.22 +38 21 26.8 o 695
2012-01-18 03:24:24 C 03 36 16.92 +38 21 20.2 o 695
2012-01-19 05:08:00 C 03 36 01.52 +38 13 43.0 o 291
2012-01-19 05:21:17 C 03 36 01.38 +38 13 39.3 o 291
2012-01-19 05:34:33 C 03 36 01.23 +38 13 34.8 o 291
2013-01-13 05:58:15 C 16 35 42.14 +14 42 07.2 t J04
2013-01-13 06:05:49 C 16 35 44.47 +14 41 53.4 t J04
2013-01-13 06:13:20 C 16 35 46.80 +14 41 39.6 t J04
2013-01-14 06:08:39 C 16 43 16.53 +13 56 56.4 t J04
2013-01-14 06:11:59 C 16 43 17.58 +13 56 50.1 t J04
2013-01-14 06:23:42 C 16 43 21.25 +13 56 28.8 t J04
2015-11-30 12:06:52 C 12 00 02.48 -05 54 29.8 u 926
2015-11-30 12:10:22 C 12 00 00.01 -05 53 55.7 u 926
2015-11-30 12:13:54 C 11 59 57.55 -05 53 22.4 u 926
2015-12-03 14:59:06 S 10 47 34.668 +11 31 20.32 L C51
2015-12-05 10:48:28 C 09 38 23.36 +25 35 45.0 q 703
2015-12-05 10:55:43 C 09 38 09.85 +25 38 03.9 q 703
2015-12-05 11:03:00 C 09 37 56.28 +25 40 23.1 q 703
2015-12-05 11:10:21 C 09 37 42.53 +25 42 43.6 q 703
2015-12-06 03:27:50 C 09 06 26.60 +30 38 35.8 q 204
2015-12-06 03:28:33 C 09 06 25.23 +30 38 47.4 q 204
2015-12-06 03:29:31 C 09 06 23.28 +30 39 03.9 q 204
2015-12-06 03:30:11 C 09 06 21.89 +30 39 15.6 q 204
2015-12-06 03:31:09 C 09 06 19.95 +30 39 32.2 q 204
2015-12-09 08:52:42 C 06 34 25.34 +43 19 03.5 q H45
2015-12-09 08:53:51 C 06 34 23.41 +43 19 07.1 q H45
2015-12-09 08:54:49 C 06 34 21.72 +43 19 10.1 q H45
2015-12-09 08:55:59 C 06 34 19.77 +43 19 13.8 q H45
2015-12-09 08:57:09 C 06 34 17.79 +43 19 17.5 q H45
2015-12-09 08:58:12 C 06 34 16.02 +43 19 20.6 q H45
2015-12-09 08:59:34 C 06 34 13.66 +43 19 25.0 q H45
2015-12-09 09:00:38 C 06 34 11.91 +43 19 28.1 q H45
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)