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AstDyS ∴ Objects ∴ 1998SM55 ∴ Summary
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(101219) 1998SM55  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.77572 1.001e-08 au
e 0.171884 4.123e-08
i 3.172 5.463e-06 deg
Ω 2.681 7.019e-05 deg
ω 36.153 7.177e-05 deg
M 160.235 1.551e-05 deg

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Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2986 au
Aphelion 3.2528 au
Asc. node-Earth separation 1.36336 au
Desc. node-Earth separation 2.13108 au
Earth MOID 1.30729 au
Orbital period 1689.12 days
Date of orbit computation  feb 22 02:11
Observational summary
Optical observations (Discarded) 1073 (4)
Radar observations (Discarded) 0 (0)
Arc length 9233.31 days
Unobserved 114 days

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Ephemeris at epoch 60419 MJD
Right Ascension 204.128 deg
Declination -12.1226 deg
V Magnitude 19.79 mag
Solar Elongation -176.98 deg
Galactic Latitude 49.25 deg
Rate 0.216 deg/day
Direction -71.592 deg

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