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AstDyS ∴ Objects ∴ 1998SR21 ∴ Summary
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(52864) 1998SR21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.37826 6.398e-09 au
e 0.064954 2.649e-08
i 6.205 3.884e-06 deg
Ω 213.094 2.947e-05 deg
ω 248.435 4.49e-05 deg
M 270.008 3.372e-05 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2238 au
Aphelion 2.5327 au
Asc. node-Earth separation 1.42063 au
Desc. node-Earth separation 1.3197 au
Earth MOID 1.24976 au
Orbital period 1339.64 days
Date of orbit computation  feb 22 02:01
Observational summary
Optical observations (Discarded) 1912 (7)
Radar observations (Discarded) 0 (0)
Arc length 10183.9 days
Unobserved 134 days

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Ephemeris at epoch 60416 MJD
Right Ascension 11.9192 deg
Declination 7.11278 deg
V Magnitude 19.99 mag
Solar Elongation 12.57 deg
Galactic Latitude -55.75 deg
Rate 0.478 deg/day
Direction 69.193 deg

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