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AstDyS ∴ Objects ∴ 1998SR21 ∴ Summary
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(52864) 1998SR21  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.37877 1.043e-08 au
e 0.063496 4.133e-08
i 6.208 4.63e-06 deg
Ω 213.165 4.408e-05 deg
ω 247.824 6.01e-05 deg
M 93.289 4.118e-05 deg

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Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2277 au
Aphelion 2.5298 au
Asc. node-Earth separation 1.4201 au
Desc. node-Earth separation 1.31961 au
Earth MOID 1.25215 au
Orbital period 1340.07 days
Date of orbit computation  Oct 31 05:29
Observational summary
Optical observations (Discarded) 1047 (6)
Radar observations (Discarded) 0 (0)
Arc length 8157.87 days
Unobserved 309 days

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Ephemeris at epoch 58565 MJD
Right Ascension 266.349 deg
Declination -19.8707 deg
V Magnitude 19.78 mag
Solar Elongation 95.24 deg
Galactic Latitude 4.75 deg
Rate 0.22 deg/day
Direction 79.197 deg

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