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
2015-12-11 00:46:24 C 05 37 25.44 +44 11 55.1 c A24
2015-12-12 06:50:14 C 05 06 00.03 +43 54 13.2 t 705
2015-12-12 06:51:40 C 05 05 58.92 +43 54 11.9 t 705
2015-12-12 06:53:07 C 05 05 57.53 +43 54 10.3 t 705
2015-12-12 20:37:15 C 04 54 16.69 +43 38 22.9 q 006
2015-12-12 20:42:50 C 04 54 12.15 +43 38 17.0 q 006
2015-12-12 20:46:40 C 04 54 09.05 +43 38 12.4 q 006
2015-12-12 20:51:57 C 04 54 04.70 +43 38 06.3 q 006
2015-12-12 20:54:56 C 04 54 02.36 +43 38 02.8 q 006
2015-12-12 20:57:57 C 04 53 59.91 +43 37 59.6 q 006
2015-12-12 21:01:44 C 04 53 56.78 +43 37 55.2 q 006
2015-12-12 21:05:56 C 04 53 53.39 +43 37 50.0 q 006
2015-12-12 21:09:37 C 04 53 50.41 +43 37 45.7 q 006
2015-12-14 22:44:34 C 04 21 47.64 +42 28 50.6 o 108
2015-12-14 22:45:21 C 04 21 47.22 +42 28 48.8 o 108
2015-12-14 23:03:26 C 04 21 37.64 +42 28 22.2 o 108
2015-12-15 05:24:44 C 04 18 27.61 +42 19 15.9 t G52
2015-12-15 05:32:38 C 04 18 23.63 +42 19 04.9 t G52
2015-12-15 05:40:10 C 04 18 19.83 +42 18 54.3 t G52
2015-12-15 08:20:47 C 04 16 58.45 +42 14 57.9 q H45
2015-12-15 08:21:52 C 04 16 57.93 +42 14 56.0 q H45
2015-12-15 08:22:52 C 04 16 57.44 +42 14 54.7 q H45
2015-12-15 08:25:20 C 04 16 56.25 +42 14 50.8 q H45
2015-12-15 08:26:36 C 04 16 55.61 +42 14 48.9 q H45
2015-12-15 08:27:50 C 04 16 55.02 +42 14 46.8 q H45
2015-12-15 08:29:18 C 04 16 54.29 +42 14 44.6 q H45
2015-12-15 08:30:33 C 04 16 53.69 +42 14 42.9 q H45
2015-12-17 07:00:10 C 03 58 16.55 +41 11 02.4 q 703
2015-12-17 07:11:54 C 03 58 12.49 +41 10 47.3 q 703
2015-12-17 07:17:44 C 03 58 10.49 +41 10 39.8 q 703
2015-12-17 07:20:21 C 03 58 08.92 +41 10 30.7 q H45
2015-12-17 07:21:37 C 03 58 08.49 +41 10 28.9 q H45
2015-12-17 07:22:49 C 03 58 08.08 +41 10 27.2 q H45
2015-12-17 07:24:53 C 03 58 07.39 +41 10 24.6 q H45
2015-12-17 07:25:57 C 03 58 06.99 +41 10 23.1 q H45
2015-12-17 07:27:14 C 03 58 06.53 +41 10 21.3 q H45
2015-12-17 07:28:19 C 03 58 06.20 +41 10 19.8 q H45
2015-12-17 07:29:40 C 03 58 05.71 +41 10 17.9 q H45
2015-12-17 19:47:39 C 03 54 13.38 +40 54 37.3 c A53
2015-12-17 19:57:31 C 03 54 10.27 +40 54 25.6 c A53
2015-12-17 20:07:55 C 03 54 06.99 +40 54 12.9 c A53
2015-12-17 20:22:29 C 03 54 02.46 +40 53 55.0 c A53
2015-12-18 06:45:33 C 03 50 58.40 +40 41 16.9 R G45
2015-12-18 06:46:32 C 03 50 58.10 +40 41 15.6 R G45
2015-12-18 06:54:12 C 03 50 55.87 +40 41 06.2 R G45
2015-12-18 06:55:28 C 03 50 55.49 +40 41 04.8 R G45
2015-12-18 07:02:47 C 03 50 53.36 +40 40 55.6 R G45
2015-12-18 07:04:03 C 03 50 53.01 +40 40 54.1 R G45
2015-12-18 07:11:21 C 03 50 50.87 +40 40 44.7 R G45
2015-12-18 07:11:34 C 03 50 50.78 +40 40 44.8 R G45
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)