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AstDyS ∴ Objects ∴ 1991UM4 ∴ Summary
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(5487) 1991UM4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.41166 7.48e-09 au
e 0.161576 3.661e-08
i 2.307 3.923e-06 deg
Ω 355.812 7.897e-05 deg
ω 241.31 7.969e-05 deg
M 26.888 1.31e-05 deg

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Other useful info
Absolute Magnitude (H)    13.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.022 au
Aphelion 2.8013 au
Asc. node-Earth separation 1.54211 au
Desc. node-Earth separation 1.18493 au
Earth MOID 1.01142 au
Orbital period 1367.96 days
Date of orbit computation  feb 22 01:51
Observational summary
Optical observations (Discarded) 2967 (62)
Radar observations (Discarded) 0 (0)
Arc length 25459 days
Unobserved 311 days

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Ephemeris at epoch 60398 MJD
Right Ascension 302.685 deg
Declination -22.2336 deg
V Magnitude 18.47 mag
Solar Elongation 68.46 deg
Galactic Latitude -26.87 deg
Rate 0.45 deg/day
Direction 78.644 deg

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