AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999RZ221 ∴ Summary
Contact »
(38421) 1999RZ221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.14484 1.554e-08 au
e 0.231005 3.896e-08
i 14.309 5.379e-06 deg
Ω 344.606 1.608e-05 deg
ω 307.44 1.98e-05 deg
M 192.252 1.148e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    13.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4184 au
Aphelion 3.8713 au
Asc. node-Earth separation 1.60323 au
Desc. node-Earth separation 2.47171 au
Earth MOID 1.4331 au
Orbital period 2037.03 days
Date of orbit computation  apr 23 19:54
Observational summary
Optical observations (Discarded) 1933 (3)
Radar observations (Discarded) 0 (0)
Arc length 9787.21 days
Unobserved 85 days

More info »
Ephemeris at epoch 60440 MJD
Right Ascension 115.053 deg
Declination 29.937 deg
V Magnitude 20.31 mag
Solar Elongation -62.59 deg
Galactic Latitude 22.98 deg
Rate 0.21 deg/day
Direction 112.687 deg

More info »