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(257385) 2009ST121  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 5.10966 9.367e-08 au
e 0.058032 5.551e-08
i 7.042 7.349e-06 deg
Ω 212.38 3.823e-05 deg
ω 242.298 7.527e-05 deg
M 20.254 6.345e-05 deg

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Other useful info
Absolute Magnitude (H)    13.5 mag
Slope parameter (G)    0.15 mag
Perihelion 4.8131 au
Aphelion 5.4062 au
Asc. node-Earth separation 4.22836 au
Desc. node-Earth separation 3.96515 au
Earth MOID 3.83742 au
Orbital period 4218.78 days
Date of orbit computation  apr 23 20:44
Observational summary
Optical observations (Discarded) 436 (2)
Radar observations (Discarded) 0 (0)
Arc length 9209.07 days
Unobserved 120 days

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Ephemeris at epoch 60444 MJD
Right Ascension 111.994 deg
Declination 15.3947 deg
V Magnitude 21.17 mag
Solar Elongation -58.17 deg
Galactic Latitude 14.91 deg
Rate 0.182 deg/day
Direction 93.677 deg

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