2011 EW16

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3762551157 ± 3.17e-08
Semi-major axis (a)1.5707641679 AU ± 2.08e-08
Inclination (i)19.25593100° ± 1.93e-05
Long. of Asc. Node (Ω)162.68993006° ± 9.86e-06
Arg. of Perihelion (ω)76.89467469° ± 4.01e-05
Mean Anomaly (M)130.97360153° ± 3.41e-05
Mean Motion (n)0.5006633462°/day ± 9.95e-09
Perihelion dist (q)0.97975611 AU ± 5.15e-08
Aphelion dist (Q)2.16177222 AU ± 5.75e-08
Orbital Period1.96864079 yr ± 3.91e-08
Physical Parameters
H (abs. magnitude)22.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.250″
Uncertainty0
Orbit TypeApollo
MOID0.170595 AU
Observations Used40
Oppositions1
Arc Total2011-2013
First Observation Used2011-03-05
Last Observation Used2013-03-15
Observations (42)
Date Type RA Dec Mag Band Observatory
2011-03-05 06:57:12 C 10 15 12.24 +08 52 39.1 r G96
2011-03-05 07:09:06 C 10 15 11.73 +08 53 18.2 r G96
2011-03-05 07:20:57 C 10 15 11.19 +08 53 56.0 r G96
2011-03-05 07:32:51 C 10 15 10.65 +08 54 35.1 r G96
2011-03-05 08:34:11 C 10 15 07.97 +08 57 51.8 r G96
2011-03-05 08:47:37 C 10 15 07.39 +08 58 35.6 r G96
2011-03-05 09:01:07 C 10 15 06.81 +08 59 18.5 r G96
2011-03-05 09:14:38 C 10 15 06.24 +09 00 02.4 r G96
2011-03-06 04:57:03 C 10 14 25.60 +10 04 37.3 o H01
2011-03-06 05:07:10 C 10 14 25.15 +10 05 11.3 o H01
2011-03-06 05:17:10 C 10 14 24.71 +10 05 44.4 o H01
2011-03-06 05:37:44 C 10 14 23.79 +10 06 52.8 o H01
2011-03-06 06:03:30 C 10 14 22.89 +10 08 17.6 o 291
2011-03-06 06:09:04 C 10 14 22.53 +10 08 38.7 o 291
2011-03-06 06:19:03 C 10 14 22.10 +10 09 11.6 o 291
2011-03-14 04:36:08 C 10 07 31.36 +21 54 11.7 r G96
2011-03-14 04:47:46 C 10 07 30.86 +21 54 58.7 r G96
2011-03-14 04:59:20 C 10 07 30.32 +21 55 45.2 r G96
2011-03-14 05:10:58 C 10 07 29.82 +21 56 31.9 r G96
2011-03-14 05:23:29 C 10 07 29.24 +21 57 22.6 r G96
2011-03-14 05:24:30 C 10 07 29.24 +21 57 26.6 r G96
2011-03-14 05:25:27 C 10 07 29.17 +21 57 30.6 r G96
2011-03-14 05:26:26 C 10 07 29.17 +21 57 34.1 r G96
2011-03-14 05:43:57 C 10 07 28.21 +21 58 44.0 o H01
2011-03-14 05:53:50 C 10 07 27.76 +21 59 23.7 o H01
2011-03-14 06:02:13 C 10 07 27.39 +21 59 57.5 o H01
2011-03-14 06:13:12 C 10 07 26.90 +22 00 41.4 o H01
2011-03-29 02:35:59 C 09 58 48.20 +46 20 59.9 o H21
2011-03-29 02:49:37 C 09 58 47.94 +46 21 53.2 o H21
2011-03-29 03:03:44 C 09 58 47.57 +46 22 47.6 o H21
2011-08-20 03:12:30 C 21 24 57.80 +09 13 04.7 t H21
2011-08-20 03:31:53 C 21 24 57.54 +09 12 06.6 t H21
2011-08-20 03:53:05 C 21 24 57.21 +09 11 02.3 t H21
2011-08-30 03:47:23 C 21 23 48.86 -01 41 09.0 o H21
2011-08-30 04:03:39 C 21 23 48.79 -01 41 48.3 o H21
2011-08-30 04:21:46 C 21 23 48.72 -01 42 30.9 o H21
2013-03-08 07:41:38 C 13 26 08.90 +11 08 26.2 q H36
2013-03-08 08:04:31 C 13 26 13.13 +11 09 58.3 q H36
2013-03-08 08:27:29 C 13 26 17.84 +11 11 31.1 q H36
2013-03-15 09:14:12 C 14 06 30.82 +24 02 51.4 u H21
2013-03-15 09:27:04 C 14 06 34.23 +24 03 55.3 u H21
2013-03-15 09:40:25 C 14 06 37.73 +24 05 01.1 u H21