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AstDyS ∴ Objects ∴ 1998SR4 ∴ Summary
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(52862) 1998SR4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.31877 6.499e-09 au
e 0.183058 3.072e-08
i 5.932 4.736e-06 deg
Ω 212.948 3.384e-05 deg
ω 245.472 3.675e-05 deg
M 8.441 1.305e-05 deg

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Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8943 au
Aphelion 2.7432 au
Asc. node-Earth separation 1.42003 au
Desc. node-Earth separation 1.08936 au
Earth MOID 0.92044 au
Orbital period 1289.69 days
Date of orbit computation  feb 22 02:01
Observational summary
Optical observations (Discarded) 1237 (5)
Radar observations (Discarded) 0 (0)
Arc length 12761.9 days
Unobserved 92 days

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Ephemeris at epoch 60416 MJD
Right Ascension 89.1706 deg
Declination 18.1694 deg
V Magnitude 20.2 mag
Solar Elongation -63.17 deg
Galactic Latitude -3.32 deg
Rate 0.529 deg/day
Direction 87.7 deg

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