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AstDyS ∴ Objects ∴ 1998SL21 ∴ Summary
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(120898) 1998SL21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.19926 2.121e-08 au
e 0.065637 4.508e-08
i 2.254 4.324e-06 deg
Ω 272.566 0.0001228 deg
ω 103.656 0.0001277 deg
M 172.898 3.464e-05 deg

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Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9893 au
Aphelion 3.4093 au
Asc. node-Earth separation 2.21878 au
Desc. node-Earth separation 2.15437 au
Earth MOID 1.99145 au
Orbital period 2090.13 days
Date of orbit computation  apr 23 20:13
Observational summary
Optical observations (Discarded) 780 (6)
Radar observations (Discarded) 0 (0)
Arc length 11492.3 days
Unobserved 38 days

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Ephemeris at epoch 60426 MJD
Right Ascension 183.631 deg
Declination -4.85034 deg
V Magnitude 20.47 mag
Solar Elongation -149.2 deg
Galactic Latitude 56.8 deg
Rate 0.136 deg/day
Direction -62.303 deg

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