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AstDyS ∴ Objects ∴ 1987UN1 ∴ Orbital info ∴ Epoch epochXXX
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(16420) 1987UN1  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 16420.eq0)
Keplerian elements at epoch
58136.8 MJD
Value 1-σ variation Units
a 2.68533 1.027e-08 au
e 0.163156 3.516e-08
i 12.793 4.042e-06 deg
Ω 227.995 1.236e-05 deg
ω 170.768 1.583e-05 deg
M 308.77 8.912e-06 deg
Other useful info
Absolute Magnitude (H)    14.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2472 au
Aphelion 3.1235 au
Asc. node-Earth separation 2.10523 au
Desc. node-Earth separation 1.26045 au
Earth MOID 1.25505 au
Orbital period 1607.29 days
Date of orbit computation  apr 23 19:49
Correlation matrix
1.00000000-0.066119040.013308140.00027524-0.067316510.11961612
-0.066119041.00000000-0.018445230.013924210.05756771-0.15321423
0.01330814-0.018445231.000000000.08112349-0.064320760.00371347
0.000275240.013924210.081123491.00000000-0.75384462-0.01166177
-0.067316510.05756771-0.06432076-0.753844621.00000000-0.63050922
0.11961612-0.153214230.00371347-0.01166177-0.630509221.00000000
Covariance matrix
1.05479588E-16-2.38773325E-175.52467804E-163.49483786E-17-1.09465175E-141.09488980E-14
-2.38773325E-171.23637463E-15-2.62158815E-156.05315523E-153.20497152E-14-4.80143026E-14
5.52467804E-16-2.62158815E-151.63384437E-114.05404247E-12-4.11648605E-121.33777046E-13
3.49483786E-176.05315523E-154.05404247E-121.52852531E-10-1.47566676E-10-1.28498254E-12
-1.09465175E-143.20497152E-14-4.11648605E-12-1.47566676E-102.50691888E-10-8.89729635E-11
1.09488980E-14-4.80143026E-141.33777046E-13-1.28498254E-12-8.89729635E-117.94315330E-11