AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999JN77 ∴ Summary
Contact »
(20445) 1999JN77  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.31187 6.345e-09 au
e 0.243933 3.532e-08
i 7.204 3.306e-06 deg
Ω 130.194 2.418e-05 deg
ω 213.156 2.482e-05 deg
M 308.628 6.365e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    14.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7479 au
Aphelion 2.8758 au
Asc. node-Earth separation 1.74747 au
Desc. node-Earth separation 0.79109 au
Earth MOID 0.74446 au
Orbital period 1283.93 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 2716 (7)
Radar observations (Discarded) 0 (0)
Arc length 24987.4 days
Unobserved 287 days

More info »
Ephemeris at epoch 60397 MJD
Right Ascension 293.931 deg
Declination -16.5155 deg
V Magnitude 18.85 mag
Solar Elongation 74.55 deg
Galactic Latitude -17.07 deg
Rate 0.461 deg/day
Direction 81.241 deg

More info »