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AstDyS ∴ Objects ∴ 1999XR12 ∴ Proper elements
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(159439) 1999XR12  ▹ 
PROPER ELEMENTS
Proper elements
Analytic
Value Units
a 2.83772 au
e 0.1909
sin(i) 0.2272
g 51.397 sec/yr
s -68.526 sec/yr
RFL 90
QCM 0
Synthetic
Value RMS Units
a 2.83771 1.23E-6 au
e 0.15659 3.08E-4
sin(i) 0.230752 2.69E-5
n 75.292 3.20E-5 deg/yr
g 56.612 2.72E-2 sec/yr
s -63.8382 4.95E-3 sec/yr
Chaos
Value Units
LCE 0.53 1/Myr
ITS -2 Myr
Family
Value
Status Background asteroid