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AstDyS ∴ Objects ∴ 1998SR ∴ Summary
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(136980) 1998SR  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.52018 9.346e-09 au
e 0.121915 1.717e-07
i 2.668 1.106e-05 deg
Ω 24.642 7.457e-05 deg
ω 65.812 0.0003308 deg
M 79.033 0.0002943 deg

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Other useful info
Absolute Magnitude (H)    16.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2129 au
Aphelion 2.8274 au
Asc. node-Earth separation 1.36916 au
Desc. node-Earth separation 1.60989 au
Earth MOID 1.2315 au
Orbital period 1461.33 days
Date of orbit computation  apr 23 20:17
Observational summary
Optical observations (Discarded) 871 (3)
Radar observations (Discarded) 0 (0)
Arc length 12205 days
Unobserved 36 days

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Ephemeris at epoch 60425 MJD
Right Ascension 175.609 deg
Declination 3.03657 deg
V Magnitude 20.35 mag
Solar Elongation -139.81 deg
Galactic Latitude 60.8 deg
Rate 0.09 deg/day
Direction -80.629 deg

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