NEODyS-2

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(1916) Boreas  ▹ 
SUMMARY
Keplerian elements
(Epoch 58800.0 MJD)
Value 1-σ variation Units
a 2.2732 2.914e-09 au
e 0.449528 3.632e-08
i 12.878 4.565e-06 deg
Ω 340.605 1.301e-05 deg
ω 335.855 1.347e-05 deg
M 122.202 4.765e-06 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.2513 au
Aphelion distance 3.2951 au
Asc. node-Earth separation 0.2781 au
Desc. node-Earth separation 2.08547 au
Earth MOID 0.25343 au
Orbital period 1251.86 days
Date of orbit computation   Feb 6 13:28
Observational summary
Optical observations (Discarded) 1545 (10)
Radar observations (Discarded) 0 (0)
Arc length 24259 days
Unobserved 15 days

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Ephemeris
(Epoch 58896 MJD)
Right Ascension 118.537 deg
Declination 31.639 deg
V Magnitude 19.91 mag
Solar Elongation -145.47 deg
Galactic Latitude 26.36 deg
Rate 0.194 deg/day
Direction -99.604 deg

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