NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1990UN ∴ Summary
Contact »
1990UN  ▹ 
SUMMARY
Keplerian elements
(Epoch 59200.0 MJD)
Value 1-σ variation Units
a 1.70978 0.005143 au
e 0.528335 0.003113
i 3.667 0.02452 deg
Ω 7.81 0.5354 deg
ω 97.745 0.2015 deg
M 147.958 91.28 deg

More info »
Other useful info
Absolute Magnitude (H)    23.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8064 au
Aphelion distance 2.6131 au
Asc. node-Earth separation 0.32541 au
Desc. node-Earth separation 0.15126 au
Earth MOID 0.0208 au
Orbital period 816.601 days
Date of orbit computation   Mar 19 08:40
Observational summary
Optical observations (Discarded) 22 (0)
Radar observations (Discarded) 0 (0)
Arc length 15 days
Unobserved 11182 days

More info »
Ephemeris
(Epoch 59383 MJD)
Right Ascension 328.176 deg
Declination -17.7539 deg
V Magnitude 27.75 mag
Solar Elongation 122.32 deg
Galactic Latitude -47.88 deg
Rate 0.038 deg/day
Direction -150.397 deg

More info »