AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997WV21 ∴ Summary
Contact »
(27999) 1997WV21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.93025 1.239e-08 au
e 0.048216 4.276e-08
i 1.854 6.919e-06 deg
Ω 16.904 0.0001179 deg
ω 40.126 0.0001393 deg
M 122.362 7.464e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    13.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.789 au
Aphelion 3.0715 au
Asc. node-Earth separation 1.82167 au
Desc. node-Earth separation 2.03441 au
Earth MOID 1.80112 au
Orbital period 1832.13 days
Date of orbit computation  feb 22 01:56
Observational summary
Optical observations (Discarded) 1982 (15)
Radar observations (Discarded) 0 (0)
Arc length 17281.6 days
Unobserved 85 days

More info »
Ephemeris at epoch 60418 MJD
Right Ascension 177.871 deg
Declination 1.4065 deg
V Magnitude 18.41 mag
Solar Elongation -149.36 deg
Galactic Latitude 60.53 deg
Rate 0.142 deg/day
Direction -70.594 deg

More info »