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AstDyS ∴ Objects ∴ 1989ST ∴ Summary
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(30800) 1989ST  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.2734 5.51e-09 au
e 0.275038 2.787e-08
i 4.487 2.859e-06 deg
Ω 292.355 4.541e-05 deg
ω 23.257 4.584e-05 deg
M 56.315 8.621e-06 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.6481 au
Aphelion 2.8987 au
Asc. node-Earth separation 0.66103 au
Desc. node-Earth separation 1.8294 au
Earth MOID 0.63532 au
Orbital period 1252.02 days
Date of orbit computation  apr 23 19:52
Observational summary
Optical observations (Discarded) 2947 (369)
Radar observations (Discarded) 0 (0)
Arc length 24918.7 days
Unobserved 102 days

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Ephemeris at epoch 60426 MJD
Right Ascension 42.9609 deg
Declination 19.2879 deg
V Magnitude 19.36 mag
Solar Elongation -10.67 deg
Galactic Latitude -35.18 deg
Rate 0.521 deg/day
Direction 74.013 deg

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