AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2007JM21 ∴ Summary
Contact »
(199988) 2007JM21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.76617 2.321e-08 au
e 0.174949 5.422e-08
i 2.299 5.479e-06 deg
Ω 288.044 0.000195 deg
ω 6.576 0.000196 deg
M 194.038 2.661e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2822 au
Aphelion 3.2501 au
Asc. node-Earth separation 1.26784 au
Desc. node-Earth separation 2.26296 au
Earth MOID 1.26598 au
Orbital period 1680.42 days
Date of orbit computation  apr 23 20:31
Observational summary
Optical observations (Discarded) 332 (4)
Radar observations (Discarded) 0 (0)
Arc length 9835.02 days
Unobserved 72 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 112.695 deg
Declination 21.007 deg
V Magnitude 22.38 mag
Solar Elongation -75.19 deg
Galactic Latitude 17.78 deg
Rate 0.211 deg/day
Direction 99.469 deg

More info »