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AstDyS ∴ Objects ∴ 1990YR ∴ Orbital info ∴ Epoch epochXXX
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(21055) 1990YR  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 21055.eq0)
Keplerian elements at epoch
57712.3 MJD
Value 1-σ variation Units
a 2.7845 9.773e-09 au
e 0.18436 3.394e-08
i 7.336 3.983e-06 deg
Ω 29.36 2.576e-05 deg
ω 11.808 2.767e-05 deg
M 245.523 9.496e-06 deg
Other useful info
Absolute Magnitude (H)    13.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2712 au
Aphelion 3.2979 au
Asc. node-Earth separation 1.28387 au
Desc. node-Earth separation 2.27796 au
Earth MOID 1.2794 au
Orbital period 1697.15 days
Date of orbit computation  apr 23 19:50
Correlation matrix
1.00000000-0.155717920.001659860.00607158-0.039124780.10792819
-0.155717921.00000000-0.00017614-0.00059718-0.117394420.27078840
0.00165986-0.000176141.00000000-0.209384870.193970710.00020683
0.00607158-0.00059718-0.209384871.00000000-0.92046514-0.00199970
-0.03912478-0.117394420.19397071-0.920465141.00000000-0.37713140
0.107928190.270788400.00020683-0.00199970-0.377131401.00000000
Covariance matrix
9.55091697E-17-5.16479879E-176.46152075E-171.52879602E-15-1.05796220E-141.00162416E-14
-5.16479879E-171.15181988E-15-2.38112790E-17-5.22182343E-16-1.10239054E-138.72709500E-14
6.46152075E-17-2.38112790E-171.58664285E-11-2.14887125E-112.13782175E-117.82347319E-15
1.52879602E-15-5.22182343E-16-2.14887125E-116.63821029E-10-6.56188487E-10-4.89258747E-13
-1.05796220E-14-1.10239054E-132.13782175E-11-6.56188487E-107.65581646E-10-9.90913663E-11
1.00162416E-148.72709500E-147.82347319E-15-4.89258747E-13-9.90913663E-119.01767827E-11