NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2009HL21 ∴ Summary
Contact »
2009HL21  ▹ 
SUMMARY
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.66332 0.000321 au
e 0.444315 0.0001221
i 1.01 0.0003892 deg
Ω 144.353 0.01007 deg
ω 9.42 0.01247 deg
M 9.312 1.051 deg

More info »
Other useful info
Absolute Magnitude (H)    22.4 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9243 au
Aphelion distance 2.4024 au
Asc. node-Earth separation -0.05873 au
Desc. node-Earth separation 1.36395 au
Earth MOID 0.00777 au
Orbital period 783.541 days
Date of orbit computation   feb 26 10:44
Observational summary
Optical observations (Discarded) 128 (1)
Radar observations (Discarded) 0 (0)
Arc length 40 days
Unobserved 5416 days

More info »
Ephemeris
(Epoch 60398 MJD)
Right Ascension 76.8067 deg
Declination 25.6736 deg
V Magnitude 22.32 mag
Solar Elongation -69.68 deg
Galactic Latitude -8.9 deg
Rate 1.484 deg/day
Direction 78.154 deg

More info »