AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998QJ20 ∴ Summary
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(85657) 1998QJ20  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.2784 6.746e-09 au
e 0.148153 4.472e-08
i 4.558 5.411e-06 deg
Ω 195.713 4.435e-05 deg
ω 125.919 4.675e-05 deg
M 165.586 1.464e-05 deg

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Other useful info
Absolute Magnitude (H)    16.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9409 au
Aphelion 2.616 au
Asc. node-Earth separation 1.43988 au
Desc. node-Earth separation 1.05205 au
Earth MOID 0.93255 au
Orbital period 1256.16 days
Date of orbit computation  feb 22 02:08
Observational summary
Optical observations (Discarded) 904 (1)
Radar observations (Discarded) 0 (0)
Arc length 10278 days
Unobserved 95 days

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Ephemeris at epoch 60419 MJD
Right Ascension 113.561 deg
Declination 17.5114 deg
V Magnitude 21.56 mag
Solar Elongation -83.39 deg
Galactic Latitude 17.15 deg
Rate 0.248 deg/day
Direction 92.189 deg

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