AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999SN18 ∴ Summary
Contact »
(74801) 1999SN18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.22643 7.409e-09 au
e 0.21152 4.387e-08
i 7.425 3.645e-06 deg
Ω 59.437 3.136e-05 deg
ω 264.854 3.286e-05 deg
M 156.967 1.146e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7555 au
Aphelion 2.6974 au
Asc. node-Earth separation 1.18074 au
Desc. node-Earth separation 1.07536 au
Earth MOID 0.76261 au
Orbital period 1213.42 days
Date of orbit computation  feb 22 02:05
Observational summary
Optical observations (Discarded) 1502 (6)
Radar observations (Discarded) 0 (0)
Arc length 10536.1 days
Unobserved 56 days

More info »
Ephemeris at epoch 60397 MJD
Right Ascension 108.706 deg
Declination 30.326 deg
V Magnitude 20.34 mag
Solar Elongation -98.68 deg
Galactic Latitude 17.97 deg
Rate 0.153 deg/day
Direction 110.699 deg

More info »