AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998UP20 ∴ Summary
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(31357) 1998UP20  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.38092 6.779e-09 au
e 0.141095 3.311e-08
i 7.632 3.606e-06 deg
Ω 48.204 2.377e-05 deg
ω 171.11 2.624e-05 deg
M 164.636 1.218e-05 deg

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Other useful info
Absolute Magnitude (H)    14.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.045 au
Aphelion 2.7169 au
Asc. node-Earth separation 1.72214 au
Desc. node-Earth separation 1.03846 au
Earth MOID 1.03733 au
Orbital period 1341.89 days
Date of orbit computation  feb 22 01:56
Observational summary
Optical observations (Discarded) 2586 (11)
Radar observations (Discarded) 0 (0)
Arc length 24764.8 days
Unobserved 114 days

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Ephemeris at epoch 60423 MJD
Right Ascension 30.9309 deg
Declination 10.9447 deg
V Magnitude 19.55 mag
Solar Elongation 1.57 deg
Galactic Latitude -48.08 deg
Rate 0.412 deg/day
Direction 67.386 deg

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