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(18818) Yasuhiko  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 18818.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.28427 5.962e-09 au
e 0.137032 2.825e-08
i 6.086 3.211e-06 deg
Ω 129.848 2.884e-05 deg
ω 87.365 3.135e-05 deg
M 121.88 1.415e-05 deg
Other useful info
Absolute Magnitude (H)    13.7 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9712 au
Aphelion 2.5973 au
Asc. node-Earth separation 1.24291 au
Desc. node-Earth separation 1.2408 au
Earth MOID 0.97552 au
Orbital period 1261.01 days
Date of orbit computation  apr 23 19:50
Correlation matrix
1.000000000.08191428-0.00254194-0.002099380.10487543-0.50047209
0.081914281.00000000-0.00531429-0.01201158-0.033640660.04273615
-0.00254194-0.005314291.000000000.15372887-0.140541500.00200493
-0.00209938-0.012011580.153728871.00000000-0.91347103-0.00186657
0.10487543-0.03364066-0.14054150-0.913471031.00000000-0.38417551
-0.500472090.042736150.00200493-0.00186657-0.384175511.00000000
Covariance matrix
3.55409610E-171.37968082E-17-4.86619600E-17-3.60928196E-161.95985245E-14-4.22169419E-14
1.37968082E-177.98194645E-16-4.82123398E-16-9.78631370E-15-2.97922915E-141.70840999E-14
-4.86619600E-17-4.82123398E-161.03114037E-111.42357024E-11-1.41464853E-119.10962774E-14
-3.60928196E-16-9.78631370E-151.42357024E-118.31628038E-10-8.25742046E-10-7.61642304E-13
1.95985245E-14-2.97922915E-14-1.41464853E-11-8.25742046E-109.82584968E-10-1.70395085E-10
-4.22169419E-141.70840999E-149.10962774E-14-7.61642304E-13-1.70395085E-102.00209485E-10