NEODyS-2

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2021AC4  ▹ 
SUMMARY

This object is currently included in the Risk list

Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.72985 0.0005407 au
e 0.44454 0.0001785
i 3.077 0.0009792 deg
Ω 110.136 7.813e-05 deg
ω 335.268 0.001026 deg
M 158.113 0.243 deg

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Other useful info
Absolute Magnitude (H)    28.9 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9609 au
Aphelion distance 2.4988 au
Asc. node-Earth separation 0.00579 au
Desc. node-Earth separation 1.31236 au
Earth MOID 0.00229 au
Orbital period 831.021 days
Date of orbit computation   feb 26 12:23
Observational summary
Optical observations (Discarded) 44 (0)
Radar observations (Discarded) 0 (0)
Arc length 2 days
Unobserved 1194 days

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Ephemeris
(Epoch 60420 MJD)
Right Ascension 283.249 deg
Declination -20.9268 deg
V Magnitude 33.42 mag
Solar Elongation 107.7 deg
Galactic Latitude -9.7 deg
Rate 0.066 deg/day
Direction 83.052 deg

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