2011 EM40

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3725424982 ± 2.00e+00
Semi-major axis (a)1.1509849142 AU ± 3.00e+00
Inclination (i)0.55861332° ± 4.00e+00
Long. of Asc. Node (Ω)173.99813284° ± 5.00e+00
Arg. of Perihelion (ω)263.06189846° ± 6.00e+00
Mean Anomaly (M)12.66682313° ± 9.30e-02
Mean Motion (n)0.7981789000°/day ± 3.12e+00
Perihelion dist (q)0.72218270 AU ± 2.97e+00
Aphelion dist (Q)1.57978490 AU ± 4.72e+00
Orbital Period1.23482050 yr ± 4.83e+00
Physical Parameters
H (abs. magnitude)28.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.496″
Uncertainty2
Orbit TypeApollo
MOID0.001122 AU
Observations Used23
Oppositions1
Arc Total2011-2011
First Observation Used
Last Observation Used2011-03-14
Observations (25)
Date Type RA Dec Mag Band Observatory
2011-03-10 09:05:06 C 11 22 03.57 +00 13 44.5 r 703
2011-03-10 09:17:40 C 11 21 59.50 +00 15 15.4 r 703
2011-03-10 09:41:37 C 11 21 52.02 +00 18 05.9 r 703
2011-03-10 10:22:56 C 11 21 38.65 +00 22 42.1 o H01
2011-03-10 10:33:22 C 11 21 35.85 +00 23 54.2 o H01
2011-03-10 10:44:13 C 11 21 32.98 +00 25 08.5 o H01
2011-03-10 10:53:15 C 11 21 31.50 +00 26 25.1 r 703
2011-03-10 10:53:55 C 11 21 31.32 +00 26 30.1 r 703
2011-03-10 10:57:41 C 11 21 29.55 +00 26 40.3 o H01
2011-03-11 06:11:48 C 11 19 28.90 +02 03 12.0 o H21
2011-03-11 06:16:12 C 11 19 28.05 +02 03 28.5 o H21
2011-03-11 06:19:55 C 11 19 27.33 +02 03 42.9 o H21
2011-03-13 07:33:03 C 11 16 37.51 +03 54 25.0 o H21
2011-03-13 07:41:08 C 11 16 36.76 +03 54 36.3 o H21
2011-03-13 07:55:41 C 11 16 35.45 +03 54 57.1 o H21
2011-03-13 09:03:42 C 11 16 34.21 +03 56 56.3 o 291
2011-03-13 09:09:04 C 11 16 33.72 +03 57 03.2 o 291
2011-03-13 09:14:30 C 11 16 33.23 +03 57 10.3 o 291
2011-03-14 05:00:33 C 11 16 15.70 +04 19 28.9 o 291
2011-03-14 05:05:56 C 11 16 15.28 +04 19 32.8 o 291
2011-03-14 05:12:03 C 11 16 14.87 +04 19 38.4 o 291
2011-03-14 06:18:38 C 11 16 09.51 +04 20 42.7 r G96
2011-03-14 06:30:16 C 11 16 08.61 +04 20 54.2 r G96
2011-03-14 06:41:57 C 11 16 07.71 +04 21 05.1 r G96
2011-03-14 06:53:35 C 11 16 06.74 +04 21 16.3 r G96