5645 1990SP help
Last update: 2026-07-30 09:40 UTC
Epoch
Orbit properties
  • Epoch
  • Semimajor Axis
  • Eccentricity (e)
  • Inclination (i)
  • Long. of Ascending Node (Ω)
  • Arg. of Perihelion (ω)
  • Mean Anomaly (M)
  • Perihelion distance
  • Aphelion distance
  • Asc. Node-Earth Sep.
  • Desc. Node-Earth Sep.
  • MOID
  • Orbit Period
  • U parameter
Value
1-sigma variation
Unit
Epoch
Value
61200.0000
1-sigma variation
Unit
MJD
Semimajor Axis
Value
1.354620
1-sigma variation
1.130E-9
Unit
Eccentricity (e)
Value
0.387253
1-sigma variation
1.863E-8
Unit
-
Inclination (i)
Value
13.5042
1-sigma variation
4.048E-6
Unit
Long. of Ascending Node (Ω)
Value
45.7006
1-sigma variation
1.158E-5
Unit
Arg. of Perihelion (ω)
Value
48.2941
1-sigma variation
1.203E-5
Unit
Mean Anomaly (M)
Value
179.57431
1-sigma variation
3.313E-6
Unit
Perihelion distance
Value
0.830039
1-sigma variation
Unit
Aphelion distance
Value
1.879200
1-sigma variation
Unit
Asc. Node-Earth Sep.
Value
-0.075675
1-sigma variation
Unit
Desc. Node-Earth Sep.
Value
0.542311
1-sigma variation
Unit
MOID
Value
0.054151
1-sigma variation
Unit
Orbit Period
Value
575.8701
1-sigma variation
Unit
U parameter
Value
0.0
1-sigma variation
Unit
-
Covariance Matrix
aeiΩωM
a1.27662E-18-1.04553E-175.67250E-161.02797E-15-1.86930E-15-1.77684E-15
e-1.04553E-173.46905E-16-1.22975E-14-3.34684E-142.64719E-142.07988E-14
i5.67250E-16-1.22975E-141.63894E-11-2.47835E-112.33488E-11-3.51864E-13
Ω1.02797E-15-3.34684E-14-2.47835E-111.34076E-10-1.30460E-101.75020E-12
ω-1.86930E-152.64719E-142.33488E-11-1.30460E-101.44803E-10-1.09549E-11
M-1.77684E-152.07988E-14-3.51864E-131.75020E-12-1.09549E-111.09760E-11
Date of computation: 2026-07-30 09:40 UTC
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