NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998SD9 ∴ Summary
Contact »
1998SD9  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 0.70244 4.959e-09 au
e 0.504735 3.368e-07
i 2.917 1.661e-05 deg
Ω 166.771 2.184e-05 deg
ω 6.563 6.33e-05 deg
M 253.07 9.067e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    24.1 mag
Slope parameter (G)    0.15 mag
Perihelion 0.3479 au
Aphelion 1.057 au
Asc. node-Earth separation -0.64223 au
Desc. node-Earth separation 0.04287 au
Earth MOID 0.00954 au
Orbital period 215.037 days
Date of orbit computation   Oct 9 17:45
Observational summary
Optical observations (Discarded) 72 (8)
Radar observations (Discarded) 0 (0)
Arc length 3644 days
Unobserved 3417 days

More info »
Ephemeris at epoch 58135 MJD
Right Ascension 314.821 deg
Declination -16.6061 deg
V Magnitude 26.28 mag
Solar Elongation -15.93 deg
Galactic Latitude -35.58 deg
Rate 0.934 deg/day
Direction 74.831 deg

More info »





This Web Site has been visited 40537 times since

and this Page has been visited 2942 times since 2011/06/25