2011 EN11

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6291966796
Semi-major axis (a)2.5560176706 AU
Inclination (i)2.60705196°
Long. of Asc. Node (Ω)157.77568380°
Arg. of Perihelion (ω)329.54415418°
Mean Anomaly (M)229.13343500°
Mean Motion (n)0.2411883800°/day
Perihelion dist (q)0.94778180 AU
Aphelion dist (Q)4.16426860 AU
Orbital Period4.08646420 yr
Physical Parameters
H (abs. magnitude)27.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.476″
Uncertainty
Orbit TypeApollo
MOID0.002602 AU
Observations Used32
Oppositions1
Arc Total2011-2011
First Observation Used
Last Observation Used2011-03-05
Observations (33)
Date Type RA Dec Mag Band Observatory
2011-03-04 10:21:59 C 13 17 54.74 +13 09 16.8 r 703
2011-03-04 10:33:55 C 13 17 55.50 +13 03 16.7 r 703
2011-03-04 10:45:48 C 13 17 56.43 +12 57 24.0 r 703
2011-03-04 11:47:38 C 13 17 58.29 +12 27 00.9 o H01
2011-03-04 11:57:05 C 13 17 59.35 +12 22 38.9 o H01
2011-03-04 12:07:24 C 13 18 00.57 +12 17 55.6 o H01
2011-03-04 12:10:15 C 13 18 03.48 +12 17 15.5 r 703
2011-03-04 12:10:42 C 13 18 03.62 +12 17 02.2 r 703
2011-03-04 12:17:11 C 13 18 01.77 +12 13 29.5 o H01
2011-03-04 12:30:38 C 13 18 05.76 +12 08 04.2 r 703
2011-03-04 12:31:08 C 13 18 05.90 +12 07 50.9 r 703
2011-03-04 12:31:39 C 13 18 05.86 +12 07 37.9 r 703
2011-03-04 12:32:10 C 13 18 06.04 +12 07 24.6 r 703
2011-03-04 15:31:14 C 13 20 10.75 +10 56 31.1 o 300
2011-03-04 15:34:33 C 13 20 10.85 +10 55 21.5 o 300
2011-03-04 15:37:53 C 13 20 10.94 +10 54 11.2 o 300
2011-03-04 15:41:12 C 13 20 10.98 +10 53 01.7 o 300
2011-03-04 15:44:32 C 13 20 11.07 +10 51 52.5 o 300
2011-03-04 22:04:32 C 13 21 36.20 +08 56 32.6 r A17
2011-03-04 22:16:50 C 13 21 37.03 +08 53 38.5 r A17
2011-03-04 22:33:02 C 13 21 38.04 +08 49 50.1 r A17
2011-03-04 23:57:52 C 13 21 45.08 +08 30 14.5 u J95
2011-03-05 00:02:59 C 13 21 45.23 +08 29 08.5 u J95
2011-03-05 00:06:24 C 13 21 45.32 +08 28 23.1 u J95
2011-03-05 01:26:31 C 13 21 46.42 +08 11 32.9 u J95
2011-03-05 01:33:19 C 13 21 46.41 +08 10 09.8 u J95
2011-03-05 01:40:08 C 13 21 46.43 +08 08 47.1 u J95
2011-03-05 02:13:47 C 13 21 46.06 +08 03 15.3 v I93
2011-03-05 02:17:25 C 13 21 45.95 +08 02 32.3 v I93
2011-03-05 02:21:01 C 13 21 45.86 +08 01 50.3 v I93
2011-03-05 02:29:03 C 13 21 45.69 +08 00 14.6 v I93
2011-03-05 02:37:49 C 13 21 45.47 +07 58 31.4 v I93
2011-03-05 02:47:02 C 13 21 45.22 +07 56 43.7 v I93