2011 ET20

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4035144000
Semi-major axis (a)1.6856985000 AU
Inclination (i)8.44770000°
Long. of Asc. Node (Ω)165.42995000°
Arg. of Perihelion (ω)313.61232000°
Mean Anomaly (M)277.47025000°
Mean Motion (n)0.4503334700°/day
Perihelion dist (q)1.00549490 AU
Aphelion dist (Q)2.36590210 AU
Orbital Period2.18861740 yr
Physical Parameters
H (abs. magnitude)25.00
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.260″
Uncertainty8
Orbit TypeAmor
MOID0.070429 AU
Observations Used11
Oppositions1
Arc Total
First Observation Used
Last Observation Used2011-03-08
Observations (11)
Date Type RA Dec Mag Band Observatory
2011-03-06 05:38:58 C 10 19 26.43 +07 57 51.0 r G96
2011-03-06 05:47:22 C 10 19 28.27 +07 58 13.8 r G96
2011-03-06 05:55:46 C 10 19 30.14 +07 58 36.0 r G96
2011-03-06 08:48:06 C 10 20 07.70 +08 06 12.5 o H01
2011-03-06 09:01:03 C 10 20 10.59 +08 06 46.6 o H01
2011-03-06 09:08:10 C 10 20 12.17 +08 07 05.4 o H01
2011-03-06 09:23:11 C 10 20 15.50 +08 07 44.6 o H01
2011-03-07 22:14:44 C 10 28 41.35 +09 39 20.1 u J95
2011-03-07 22:51:13 C 10 28 48.76 +09 40 46.5 u J95
2011-03-07 23:31:02 C 10 28 56.84 +09 42 19.7 u J95
2011-03-08 00:02:09 C 10 29 03.10 +09 43 31.9 u J95