AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998QR30 ∴ Summary
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(12550) 1998QR30  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.60272 7.762e-09 au
e 0.0811 2.634e-08
i 13.233 2.202e-06 deg
Ω 181.247 1.222e-05 deg
ω 16.568 2.032e-05 deg
M 165.57 1.65e-05 deg

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Other useful info
Absolute Magnitude (H)    13.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3916 au
Aphelion 2.8138 au
Asc. node-Earth separation 1.40286 au
Desc. node-Earth separation 1.80102 au
Earth MOID 1.39407 au
Orbital period 1533.7 days
Date of orbit computation  apr 23 19:48
Observational summary
Optical observations (Discarded) 7606 (736)
Radar observations (Discarded) 0 (0)
Arc length 27039.8 days
Unobserved 133 days

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Ephemeris at epoch 60425 MJD
Right Ascension 16.0005 deg
Declination 5.10109 deg
V Magnitude 18.86 mag
Solar Elongation 18.31 deg
Galactic Latitude -57.63 deg
Rate 0.396 deg/day
Direction 72.68 deg

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