AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997SN31 ∴ Summary
Contact »
(31136) 1997SN31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.27497 6.798e-09 au
e 0.090014 3.405e-08
i 5.371 4.61e-06 deg
Ω 358.531 3.176e-05 deg
ω 222.53 4.084e-05 deg
M 26.925 2.674e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0702 au
Aphelion 2.4798 au
Asc. node-Earth separation 1.41355 au
Desc. node-Earth separation 1.1207 au
Earth MOID 1.06625 au
Orbital period 1253.32 days
Date of orbit computation  feb 22 01:56
Observational summary
Optical observations (Discarded) 2498 (19)
Radar observations (Discarded) 0 (0)
Arc length 9935.85 days
Unobserved 323 days

More info »
Ephemeris at epoch 60419 MJD
Right Ascension 289.886 deg
Declination -28.9758 deg
V Magnitude 18.47 mag
Solar Elongation 101.58 deg
Galactic Latitude -18.43 deg
Rate 0.258 deg/day
Direction 93.514 deg

More info »