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AstDyS ∴ Objects ∴ 2001SB221 ∴ Summary
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(408857) 2001SB221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.63447 1.464e-08 au
e 0.142926 5.443e-08
i 5.934 5.893e-06 deg
Ω 182.881 5.002e-05 deg
ω 189.693 5.451e-05 deg
M 89.372 2.261e-05 deg

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Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2579 au
Aphelion 3.011 au
Asc. node-Earth separation 2.00713 au
Desc. node-Earth separation 1.25994 au
Earth MOID 1.25827 au
Orbital period 1561.85 days
Date of orbit computation  apr 23 21:17
Observational summary
Optical observations (Discarded) 281 (0)
Radar observations (Discarded) 0 (0)
Arc length 8134.12 days
Unobserved 141 days

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Ephemeris at epoch 60425 MJD
Right Ascension 104.137 deg
Declination 18.0296 deg
V Magnitude 22.75 mag
Solar Elongation -68.61 deg
Galactic Latitude 9.21 deg
Rate 0.316 deg/day
Direction 90.054 deg

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