AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999XN87 ∴ Summary
Contact »
(92121) 1999XN87  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.05181 1.255e-08 au
e 0.172062 3.918e-08
i 18.511 4.059e-06 deg
Ω 89.709 1.38e-05 deg
ω 348.043 2.091e-05 deg
M 204.286 1.406e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5267 au
Aphelion 3.5769 au
Asc. node-Earth separation 1.55175 au
Desc. node-Earth separation 2.54462 au
Earth MOID 1.54546 au
Orbital period 1947.31 days
Date of orbit computation  feb 22 02:09
Observational summary
Optical observations (Discarded) 1589 (3)
Radar observations (Discarded) 0 (0)
Arc length 8679.91 days
Unobserved 255 days

More info »
Ephemeris at epoch 60398 MJD
Right Ascension 292.679 deg
Declination -23.4679 deg
V Magnitude 20.7 mag
Solar Elongation 77.74 deg
Galactic Latitude -18.71 deg
Rate 0.192 deg/day
Direction 95.81 deg

More info »