AstDyS-2

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AstDyS ∴ Objects ∴ 1998SD61 ∴ Summary
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(162121) 1998SD61  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.65441 1.419e-08 au
e 0.182114 3.896e-08
i 11.654 5.917e-06 deg
Ω 217.996 2.146e-05 deg
ω 123.209 2.888e-05 deg
M 342.305 2.058e-05 deg

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Other useful info
Absolute Magnitude (H)    15.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.171 au
Aphelion 3.1378 au
Asc. node-Earth separation 1.84367 au
Desc. node-Earth separation 1.34176 au
Earth MOID 1.18904 au
Orbital period 1579.61 days
Date of orbit computation  feb 22 02:24
Observational summary
Optical observations (Discarded) 737 (7)
Radar observations (Discarded) 0 (0)
Arc length 9039.9 days
Unobserved 308 days

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Ephemeris at epoch 60423 MJD
Right Ascension 341.771 deg
Declination 2.10546 deg
V Magnitude 20.53 mag
Solar Elongation 49.63 deg
Galactic Latitude -48.15 deg
Rate 0.496 deg/day
Direction 66.009 deg

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