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AstDyS ∴ Objects ∴ 1998SM121 ∴ Summary
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(49212) 1998SM121  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.29394 6.405e-09 au
e 0.055534 3.346e-08
i 3.977 3.081e-06 deg
Ω 258.179 5.344e-05 deg
ω 240.707 6.305e-05 deg
M 6.858 3.31e-05 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1665 au
Aphelion 2.4213 au
Asc. node-Earth separation 1.33565 au
Desc. node-Earth separation 1.24223 au
Earth MOID 1.18364 au
Orbital period 1269.02 days
Date of orbit computation  apr 23 19:56
Observational summary
Optical observations (Discarded) 2425 (16)
Radar observations (Discarded) 0 (0)
Arc length 9304.07 days
Unobserved 38 days

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Ephemeris at epoch 60426 MJD
Right Ascension 128.336 deg
Declination 14.2256 deg
V Magnitude 19.41 mag
Solar Elongation -91.16 deg
Galactic Latitude 28.89 deg
Rate 0.304 deg/day
Direction 100.393 deg

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