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(3990) Heimdal  ▹ 
PROPER ELEMENTS
◲
Proper elements
Synthetic
Value RMS Units
a 3.96507 5.90E-7 au
e 0.168435 2.58E-5
sin(i) 0.167474 2.16E-5
n 45.5945 6.00E-6 deg/yr
g -513.665 5.43E-2 sec/yr
s -67.6059 1.77E-2 sec/yr
Chaos
Value Units
LCE 1.4 1/Myr
ITS -2 Myr
Family
Value
Status Background asteroid
Resonance
Value
Rfr 3/2J