AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997JH18 ∴ Summary
Contact »
(13671) 1997JH18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.57174 1.077e-08 au
e 0.199508 4.3e-08
i 5.034 4.854e-06 deg
Ω 121.279 5.176e-05 deg
ω 173.722 5.312e-05 deg
M 144.768 1.291e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0587 au
Aphelion 3.0848 au
Asc. node-Earth separation 2.09669 au
Desc. node-Earth separation 1.04501 au
Earth MOID 1.04252 au
Orbital period 1506.39 days
Date of orbit computation  feb 22 01:52
Observational summary
Optical observations (Discarded) 1466 (10)
Radar observations (Discarded) 0 (0)
Arc length 15485 days
Unobserved 84 days

More info »
Ephemeris at epoch 60420 MJD
Right Ascension 78.7834 deg
Declination 21.0858 deg
V Magnitude 20.95 mag
Solar Elongation -49.49 deg
Galactic Latitude -10.06 deg
Rate 0.315 deg/day
Direction 82.481 deg

More info »