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AstDyS ∴ Objects ∴ 1981ET30 ∴ Summary
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(37549) 1981ET30  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.31264 6.996e-09 au
e 0.05227 3.679e-08
i 6.288 3.889e-06 deg
Ω 174.024 3.091e-05 deg
ω 11.242 4.517e-05 deg
M 78.938 3.331e-05 deg

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Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1918 au
Aphelion 2.4335 au
Asc. node-Earth separation 1.19966 au
Desc. node-Earth separation 1.42634 au
Earth MOID 1.19407 au
Orbital period 1284.58 days
Date of orbit computation  apr 23 19:54
Observational summary
Optical observations (Discarded) 1386 (39)
Radar observations (Discarded) 0 (0)
Arc length 15432.5 days
Unobserved 346 days

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Ephemeris at epoch 60425 MJD
Right Ascension 303.899 deg
Declination -12.7134 deg
V Magnitude 20.55 mag
Solar Elongation 91.7 deg
Galactic Latitude -24.33 deg
Rate 0.272 deg/day
Direction 70.153 deg

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