AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998DN ∴ Summary
Contact »
(55903) 1998DN  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.94308 1.579e-08 au
e 0.108992 3.872e-08
i 18.501 4.917e-06 deg
Ω 128.918 1.496e-05 deg
ω 312.968 3.272e-05 deg
M 118.569 2.719e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6223 au
Aphelion 3.2638 au
Asc. node-Earth separation 1.72253 au
Desc. node-Earth separation 2.12678 au
Earth MOID 1.67062 au
Orbital period 1844.17 days
Date of orbit computation  apr 23 19:58
Observational summary
Optical observations (Discarded) 1069 (5)
Radar observations (Discarded) 0 (0)
Arc length 9524.61 days
Unobserved 37 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 221.292 deg
Declination 12.1608 deg
V Magnitude 19.55 mag
Solar Elongation -153.27 deg
Galactic Latitude 59.44 deg
Rate 0.201 deg/day
Direction -69.077 deg

More info »