AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Heimdal ∴ Summary
Contact »
(3990) Heimdal  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.94437 2.293e-08 au
e 0.242229 2.655e-08
i 9.497 2.268e-06 deg
Ω 192.614 1.97e-05 deg
ω 198.044 2.095e-05 deg
M 212.335 7.454e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    11.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9889 au
Aphelion 4.8998 au
Asc. node-Earth separation 3.82443 au
Desc. node-Earth separation 2.01871 au
Earth MOID 1.99617 au
Orbital period 2861.31 days
Date of orbit computation  apr 23 19:46
Observational summary
Optical observations (Discarded) 6631 (158)
Radar observations (Discarded) 0 (0)
Arc length 19207.2 days
Unobserved 40 days

More info »
Ephemeris at epoch 60431 MJD
Right Ascension 236.341 deg
Declination -11.805 deg
V Magnitude 17.69 mag
Solar Elongation 162.22 deg
Galactic Latitude 32.6 deg
Rate 0.143 deg/day
Direction -68.019 deg

More info »