2011 EC41

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8807644000
Semi-major axis (a)2.4148791000 AU
Inclination (i)9.88507000°
Long. of Asc. Node (Ω)38.87458000°
Arg. of Perihelion (ω)357.86134000°
Mean Anomaly (M)345.38839000°
Mean Motion (n)0.2626400700°/day
Perihelion dist (q)0.28793960 AU
Aphelion dist (Q)4.54181860 AU
Orbital Period3.75269350 yr
Physical Parameters
H (abs. magnitude)20.27
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.740″
Uncertainty0
Orbit TypeApollo
MOID0.144852 AU
Observations Used229
Oppositions2
Arc Total2011-2026
First Observation Used
Last Observation Used2026-03-13
Observations (44)
Date Type RA Dec Mag Band Observatory
2011-03-10 06:33:28 C 12 16 08.74 +27 10 01.5 19.3 c 704
2011-03-10 06:49:33 C 12 16 04.32 +27 09 54.7 19.5 c 704
2011-03-10 07:22:09 C 12 15 55.23 +27 09 41.6 19.2 c 704
2011-03-10 07:39:22 C 12 15 50.54 +27 09 35.0 19.6 c 704
2011-03-11 03:50:01 C 12 10 30.40 +27 00 48.9 u J95
2011-03-11 03:56:42 C 12 10 28.68 +27 00 45.8 u J95
2011-03-11 04:03:39 C 12 10 26.86 +27 00 42.6 u J95
2011-03-11 04:05:47 C 12 10 27.69 +27 00 44.1 o H26
2011-03-11 04:08:17 C 12 10 26.82 +27 00 42.8 o H26
2011-03-11 04:17:49 C 12 10 24.59 +27 00 39.0 o H26
2011-03-11 06:28:42 C 12 09 50.62 +26 59 43.8 r H21
2011-03-11 06:32:47 C 12 09 49.52 +26 59 41.8 r H21
2011-03-11 06:36:59 C 12 09 48.44 +26 59 40.2 r H21
2011-03-11 06:40:04 C 12 09 47.62 +26 59 38.6 r H21
2011-03-11 06:40:35 C 12 09 47.96 +26 59 40.1 19.3 c 704
2011-03-11 06:57:28 C 12 09 43.60 +26 59 32.7 19.7 c 704
2011-03-11 07:12:01 C 12 09 39.76 +26 59 26.4 o H01
2011-03-11 07:14:26 C 12 09 39.15 +26 59 25.6 19.6 c 704
2011-03-11 07:22:22 C 12 09 37.08 +26 59 21.8 o H01
2011-03-11 07:34:26 C 12 09 33.94 +26 59 16.5 o H01
2011-03-11 07:43:16 C 12 09 31.66 +26 59 12.5 o H01
2011-03-11 07:45:47 C 12 09 31.09 +26 59 12.3 c 651
2011-03-11 07:47:28 C 12 09 30.66 +26 59 11.9 c 651
2011-03-11 07:48:11 C 12 09 30.39 +26 59 10.6 19.6 c 704
2011-03-11 07:49:08 C 12 09 30.19 +26 59 11.2 c 651
2011-03-11 09:39:55 C 12 09 01.33 +26 58 17.0 u H36
2011-03-11 09:46:42 C 12 08 59.55 +26 58 13.3 u H36
2011-03-11 09:56:54 C 12 08 56.90 +26 58 07.0 u H36
2011-03-13 06:55:04 C 11 58 16.78 +26 36 27.1 o H21
2011-03-13 07:04:26 C 11 58 14.64 +26 36 22.0 o H21
2011-03-13 07:14:22 C 11 58 12.41 +26 36 16.7 o H21
2011-03-13 07:24:53 C 11 58 09.99 +26 36 11.5 o H21
2011-03-13 11:39:39 C 11 57 12.70 +26 34 00.3 o 291
2011-03-13 11:46:14 C 11 57 11.26 +26 33 56.8 o 291
2011-03-13 11:53:25 C 11 57 09.63 +26 33 52.9 o 291
2011-03-17 05:18:21 C 11 39 43.59 +25 45 10.2 o H21
2011-03-17 05:29:03 C 11 39 41.72 +25 45 04.0 o H21
2011-03-17 05:41:20 C 11 39 39.51 +25 44 57.9 o H21
2011-03-24 10:43:44 C 11 16 00.20 +24 05 33.8 o 291
2011-03-24 10:50:09 C 11 15 59.50 +24 05 30.7 o 291
2011-03-24 10:56:04 C 11 15 58.91 +24 05 26.1 o 291
2011-03-25 09:58:51 C 11 13 36.71 +23 52 23.5 o 291
2011-03-25 10:04:28 C 11 13 36.20 +23 52 20.1 o 291
2011-03-25 10:10:11 C 11 13 35.59 +23 52 17.0 o 291