AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1991RN17 ∴ Summary
Contact »
(42488) 1991RN17  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.34414 5.874e-09 au
e 0.229042 3.255e-08
i 9.609 3.375e-06 deg
Ω 177.137 2.026e-05 deg
ω 198.951 2.158e-05 deg
M 9.761 7.772e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8072 au
Aphelion 2.881 au
Asc. node-Earth separation 1.84032 au
Desc. node-Earth separation 0.82196 au
Earth MOID 0.81059 au
Orbital period 1310.91 days
Date of orbit computation  feb 22 01:59
Observational summary
Optical observations (Discarded) 1754 (8)
Radar observations (Discarded) 0 (0)
Arc length 11770.9 days
Unobserved 115 days

More info »
Ephemeris at epoch 60397 MJD
Right Ascension 21.845 deg
Declination 5.42099 deg
V Magnitude 19.11 mag
Solar Elongation -15.14 deg
Galactic Latitude -56.31 deg
Rate 0.633 deg/day
Direction 71.724 deg

More info »