2021GW4 help
Last update: 2025-09-10 00:30 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
61000.0000
1-sigma variation
Unit
MJD
Semimajor Axis
Value
1.402770
1-sigma variation
0.000177
Unit
Eccentricity (e)
Value
0.303620
1-sigma variation
0.000093
Unit
-
Inclination (i)
Value
5.0709
1-sigma variation
0.0017
Unit
Long. of Ascending Node (Ω)
Value
22.5640
1-sigma variation
0.0002
Unit
Arg. of Perihelion (ω)
Value
206.9623
1-sigma variation
0.0007
Unit
Mean Anomaly (M)
Value
264.75246
1-sigma variation
0.18530
Unit
Perihelion distance
Value
0.976862
1-sigma variation
Unit
Aphelion distance
Value
1.828679
1-sigma variation
Unit
Asc. Node-Earth Sep.
Value
0.748638
1-sigma variation
Unit
Desc. Node-Earth Sep.
Value
-0.001667
1-sigma variation
Unit
MOID
Value
0.000959
1-sigma variation
Unit
Orbit Period
Value
606.8457
1-sigma variation
Unit
U parameter
Value
6.7
1-sigma variation
Unit
-
Covariance Matrix
aeiΩωM
a3.12123E-81.64330E-8-2.88537E-72.86733E-81.16860E-7-3.27375E-5
e1.64330E-88.65197E-9-1.51921E-71.50964E-86.16562E-8-1.72360E-5
i-2.88537E-7-1.51921E-72.77943E-6-2.88595E-7-1.08173E-63.02651E-4
Ω2.86733E-81.50964E-8-2.88595E-73.13399E-81.06513E-7-3.00769E-5
ω1.16860E-76.16562E-8-1.08173E-61.06513E-75.31803E-7-1.22616E-4
M-3.27375E-5-1.72360E-53.02651E-4-3.00769E-5-1.22616E-43.43372E-2
Date of computation: 2025-09-10 00:30 UTC
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