IAA RAS IAA Minor Planet Database

2011 EM11

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3414880000
Semi-major axis (a)1.6034304000 AU
Inclination (i)9.47072000°
Long. of Asc. Node (Ω)165.03074000°
Arg. of Perihelion (ω)14.31966000°
Mean Anomaly (M)82.82883000°
Mean Motion (n)0.4854325400°/day
Perihelion dist (q)1.05587820 AU
Aphelion dist (Q)2.15098260 AU
Orbital Period2.03036990 yr
Physical Parameters
H (abs. magnitude)24.60
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.370″
Uncertainty6
Orbit TypeAmor
MOID0.067443 AU
Observations Used66
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2011-04-02
Observations (67)
Date Type RA Dec Mag Band Observatory
2011-03-11 08:17:23 C 12 01 28.78 +15 18 53.5 – o H21
2011-03-11 08:22:09 C 12 01 30.77 +15 19 16.4 – o H21
2011-03-11 08:26:27 C 12 01 32.59 +15 19 37.2 – o H21
2011-03-11 08:30:30 C 12 01 34.30 +15 19 56.8 – o H21
2011-03-11 08:35:06 C 12 01 36.24 +15 20 18.6 – o H21
2011-03-13 07:10:27 C 12 22 52.60 +19 01 33.1 – o H21
2011-03-13 07:14:57 C 12 22 54.54 +19 01 53.6 – o H21
2011-03-13 07:19:15 C 12 22 56.40 +19 02 13.5 – o H21
2011-03-17 07:30:15 C 13 07 38.67 +25 42 59.1 – o H21
2011-03-17 07:47:41 C 13 07 46.16 +25 44 02.4 – o H21
2011-03-17 07:54:58 C 13 07 49.27 +25 44 28.8 – o H21
2011-03-31 07:25:25 C 15 09 09.22 +36 06 16.3 – o H21
2011-03-31 07:55:33 C 15 09 15.92 +36 06 34.5 – o H21
2011-03-31 08:25:40 C 15 09 22.50 +36 06 51.3 – o H21
2011-04-02 08:20:18 C 15 20 18.71 +36 28 26.3 – o H21
2011-04-02 08:35:46 C 15 20 21.66 +36 28 31.3 – o H21
2011-04-02 08:52:09 C 15 20 24.72 +36 28 36.3 – o H21