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AstDyS ∴ Objects ∴ 1999SC21 ∴ Summary
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(353953) 1999SC21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.11546 3.117e-08 au
e 0.140768 8.23e-08
i 9.724 9.33e-06 deg
Ω 350.297 3.029e-05 deg
ω 338.184 4.014e-05 deg
M 183.77 2.327e-05 deg

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Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6769 au
Aphelion 3.554 au
Asc. node-Earth separation 1.69512 au
Desc. node-Earth separation 2.51963 au
Earth MOID 1.66891 au
Orbital period 2008.55 days
Date of orbit computation  apr 23 21:04
Observational summary
Optical observations (Discarded) 384 (3)
Radar observations (Discarded) 0 (0)
Arc length 8928.1 days
Unobserved 44 days

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Ephemeris at epoch 60425 MJD
Right Ascension 142.377 deg
Declination 17.8848 deg
V Magnitude 22.13 mag
Solar Elongation -104.04 deg
Galactic Latitude 42.76 deg
Rate 0.075 deg/day
Direction 138.67 deg

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