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AstDyS ∴ Objects ∴ 1998RS21 ∴ Summary
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(85680) 1998RS21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.00853 1.6e-08 au
e 0.098633 4.1e-08
i 1.18 4.219e-06 deg
Ω 223.481 0.0002142 deg
ω 191.636 0.0002163 deg
M 269.067 2.632e-05 deg

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Other useful info
Absolute Magnitude (H)    15.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7118 au
Aphelion 3.3053 au
Asc. node-Earth separation 2.28964 au
Desc. node-Earth separation 1.72618 au
Earth MOID 1.72357 au
Orbital period 1906.04 days
Date of orbit computation  feb 22 02:08
Observational summary
Optical observations (Discarded) 845 (6)
Radar observations (Discarded) 0 (0)
Arc length 10430.5 days
Unobserved 715 days

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Ephemeris at epoch 60419 MJD
Right Ascension 334.165 deg
Declination -9.59667 deg
V Magnitude 21.32 mag
Solar Elongation 56.53 deg
Galactic Latitude -49.55 deg
Rate 0.321 deg/day
Direction 68.456 deg

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