AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999NC21 ∴ Summary
Contact »
(53415) 1999NC21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.12888 2.45e-08 au
e 0.125614 4.151e-08
i 26.065 5.601e-06 deg
Ω 300.886 1.257e-05 deg
ω 325.074 3.09e-05 deg
M 182.102 3.016e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    13.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7358 au
Aphelion 3.5219 au
Asc. node-Earth separation 1.77628 au
Desc. node-Earth separation 2.44949 au
Earth MOID 1.74737 au
Orbital period 2021.54 days
Date of orbit computation  apr 23 19:57
Observational summary
Optical observations (Discarded) 1208 (6)
Radar observations (Discarded) 0 (0)
Arc length 9015.83 days
Unobserved 34 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 79.8181 deg
Declination 33.8811 deg
V Magnitude 20.38 mag
Solar Elongation -47.41 deg
Galactic Latitude -2.01 deg
Rate 0.28 deg/day
Direction 101.386 deg

More info »