AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1991JD ∴ Summary
Contact »
(21061) 1991JD  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.34976 7.659e-09 au
e 0.207196 2.717e-08
i 2.928 3.538e-06 deg
Ω 39.074 6.416e-05 deg
ω 239.603 6.497e-05 deg
M 11.463 1.301e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8629 au
Aphelion 2.8366 au
Asc. node-Earth separation 1.5201 au
Desc. node-Earth separation 1.02861 au
Earth MOID 0.84842 au
Orbital period 1315.63 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 2515 (15)
Radar observations (Discarded) 0 (0)
Arc length 11708.7 days
Unobserved 336 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 337.612 deg
Declination -12.1345 deg
V Magnitude 18.84 mag
Solar Elongation 61.15 deg
Galactic Latitude -53.75 deg
Rate 0.527 deg/day
Direction 69.6 deg

More info »