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AstDyS ∴ Objects ∴ 1997EF9 ∴ Summary
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(285216) 1997EF9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.9763 2.82e-08 au
e 0.054089 6.13e-08
i 10.131 6.001e-06 deg
Ω 357.388 3.287e-05 deg
ω 333.113 6.152e-05 deg
M 308.41 5.358e-05 deg

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Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.8153 au
Aphelion 3.1373 au
Asc. node-Earth separation 1.82738 au
Desc. node-Earth separation 2.12287 au
Earth MOID 1.80947 au
Orbital period 1875.48 days
Date of orbit computation  feb 22 02:50
Observational summary
Optical observations (Discarded) 266 (1)
Radar observations (Discarded) 0 (0)
Arc length 9576.97 days
Unobserved 310 days

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Ephemeris at epoch 60397 MJD
Right Ascension 296.846 deg
Declination -31.0476 deg
V Magnitude 21.72 mag
Solar Elongation 74.59 deg
Galactic Latitude -24.8 deg
Rate 0.286 deg/day
Direction 87.274 deg

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