AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997WS49 ∴ Summary
Contact »
(90979) 1997WS49  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.41247 8.456e-09 au
e 0.088205 3.087e-08
i 5.36 3.731e-06 deg
Ω 226.736 4.65e-05 deg
ω 201.721 5.466e-05 deg
M 8.232 2.865e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1997 au
Aphelion 2.6253 au
Asc. node-Earth separation 1.59821 au
Desc. node-Earth separation 1.22264 au
Earth MOID 1.21473 au
Orbital period 1368.65 days
Date of orbit computation  feb 22 02:09
Observational summary
Optical observations (Discarded) 1085 (6)
Radar observations (Discarded) 0 (0)
Arc length 11069 days
Unobserved 57 days

More info »
Ephemeris at epoch 60397 MJD
Right Ascension 55.2865 deg
Declination 17.3424 deg
V Magnitude 20.79 mag
Solar Elongation -49.61 deg
Galactic Latitude -29.42 deg
Rate 0.471 deg/day
Direction 78.498 deg

More info »