AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999JR98 ∴ Summary
Contact »
(38170) 1999JR98  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.76696 1.11e-08 au
e 0.200531 3.206e-08
i 8.673 3.773e-06 deg
Ω 160.617 2.341e-05 deg
ω 166.264 2.523e-05 deg
M 82.653 9.935e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    14.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2121 au
Aphelion 3.3218 au
Asc. node-Earth separation 2.30755 au
Desc. node-Earth separation 1.21443 au
Earth MOID 1.20173 au
Orbital period 1681.13 days
Date of orbit computation  feb 22 01:58
Observational summary
Optical observations (Discarded) 2334 (15)
Radar observations (Discarded) 0 (0)
Arc length 11752.1 days
Unobserved 72 days

More info »
Ephemeris at epoch 60398 MJD
Right Ascension 55.9163 deg
Declination 12.3481 deg
V Magnitude 20.04 mag
Solar Elongation -48.46 deg
Galactic Latitude -32.53 deg
Rate 0.366 deg/day
Direction 73.625 deg

More info »