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
2015-12-18 07:19:51 C 03 50 48.37 +40 40 34.5 R G45
2015-12-18 07:19:57 C 03 50 48.36 +40 40 34.2 R G45
2015-12-19 19:49:40 C 03 41 46.14 +39 59 04.6 u B88
2015-12-19 20:29:55 C 03 41 37.03 +39 58 22.5 u B88
2015-12-19 21:10:41 C 03 41 27.80 +39 57 39.6 u B88
2015-12-20 20:53:30 C 03 36 41.26 +39 33 28.7 q C77
2015-12-20 20:59:48 C 03 36 40.05 +39 33 22.7 q C77
2015-12-20 21:07:29 C 03 36 38.54 +39 33 15.3 q C77
2015-12-20 21:15:59 C 03 36 36.88 +39 33 06.9 q C77
2015-12-28 09:43:54 C 03 16 14.31 +37 21 11.2 o 291
2015-12-28 09:48:37 C 03 16 14.02 +37 21 08.4 o 291
2015-12-28 09:53:23 C 03 16 13.70 +37 21 06.0 o 291
2017-01-09 11:05:38 C 15 34 00.33 +26 17 02.7 o 695
2017-01-09 11:11:11 C 15 34 01.86 +26 16 58.2 o 695
2017-01-09 11:16:42 C 15 34 03.39 +26 16 54.0 o 695
2018-03-06 06:04:17 C 05 53 17.87 +60 45 22.5 o 695
2018-03-06 06:20:05 C 05 53 16.81 +60 45 12.1 o 695
2019-12-10 17:02:22 C 21 35 18.60 -20 34 30.5 V 204
2019-12-10 17:16:47 C 21 36 01.00 -20 27 34.9 V 204
2019-12-14 18:45:17 C 00 32 24.29 +13 43 49.6 V 204
2019-12-14 18:48:02 C 00 32 26.74 +13 44 17.2 V 204
2019-12-14 18:50:47 C 00 32 29.18 +13 44 44.9 V 204
2019-12-14 18:53:32 C 00 32 31.62 +13 45 12.6 V 204
2019-12-14 18:56:18 C 00 32 34.06 +13 45 40.2 V 204
2019-12-14 19:07:42 S 00 32 43.704 +13 48 13.39 L C51
2019-12-14 22:16:02 S 00 35 30.389 +14 19 00.05 L C51
2019-12-14 22:16:12 S 00 35 30.569 +14 19 00.37 L C51
2019-12-14 23:50:16 S 00 36 51.502 +14 33 51.59 L C51
2019-12-16 01:01:53 C 00 55 29.08 +17 51 32.8 q W46
2019-12-16 01:04:35 C 00 55 30.76 +17 51 50.4 q W46
2019-12-16 01:07:14 C 00 55 32.41 +17 52 08.0 q W46
2019-12-16 08:04:24 C 00 59 47.43 +18 36 00.9 V T08
2019-12-16 08:08:42 C 00 59 49.90 +18 36 26.4 V T08
2019-12-16 08:17:38 C 00 59 55.07 +18 37 19.3 V T08
2019-12-16 08:31:59 C 01 00 03.34 +18 38 44.2 V T08
2019-12-16 18:49:24 C 01 05 52.79 +19 35 46.9 q K74
2019-12-16 18:53:53 C 01 05 55.12 +19 36 10.8 q K74
2019-12-16 18:58:24 C 01 05 57.44 +19 36 34.2 q K74
2019-12-16 19:02:53 C 01 05 59.82 +19 36 57.6 q K74
2019-12-16 19:06:42 C 01 06 01.76 +19 37 17.8 q K74
2019-12-18 19:02:59 C 01 26 35.76 +22 49 50.1 S 151
2019-12-18 19:05:51 C 01 26 36.80 +22 49 59.6 S 151
2019-12-18 19:08:42 C 01 26 37.76 +22 50 08.8 S 151
2019-12-19 22:43:28 C 01 35 15.21 +24 04 37.1 q I15
2019-12-19 22:46:44 C 01 35 16.07 +24 04 44.7 q I15
2019-12-19 22:50:33 C 01 35 17.11 +24 04 53.7 q I15
2019-12-20 04:19:11 C 01 36 45.91 +24 17 40.9 V 703
2019-12-20 04:26:43 C 01 36 47.85 +24 17 57.7 V 703
2019-12-20 04:34:14 C 01 36 49.80 +24 18 14.5 V 703
2019-12-20 04:41:45 C 01 36 51.76 +24 18 31.0 V 703
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)