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AstDyS ∴ Objects ∴ 1998MR4 ∴ Summary
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(285261) 1998MR4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.17615 2.793e-08 au
e 0.1759 1.028e-07
i 15.99 8.522e-06 deg
Ω 298.959 3.158e-05 deg
ω 59.527 4.075e-05 deg
M 159.882 2.046e-05 deg

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Other useful info
Absolute Magnitude (H)    15.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6175 au
Aphelion 3.7348 au
Asc. node-Earth separation 1.80982 au
Desc. node-Earth separation 2.39607 au
Earth MOID 1.65264 au
Orbital period 2067.52 days
Date of orbit computation  apr 23 20:50
Observational summary
Optical observations (Discarded) 290 (2)
Radar observations (Discarded) 0 (0)
Arc length 10620.2 days
Unobserved 53 days

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Ephemeris at epoch 60423 MJD
Right Ascension 148.884 deg
Declination -2.31829 deg
V Magnitude 21.92 mag
Solar Elongation -117.91 deg
Galactic Latitude 38.43 deg
Rate 0.033 deg/day
Direction -4.257 deg

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