2021GW4 help
Last update: 2026-07-30 14:25 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
1.401664
1-sigma variation
0.000096
Unit
Eccentricity (e)
Value
0.303201
1-sigma variation
0.000061
Unit
-
Inclination (i)
Value
5.0731
1-sigma variation
0.0014
Unit
Long. of Ascending Node (Ω)
Value
22.5418
1-sigma variation
0.0013
Unit
Arg. of Perihelion (ω)
Value
207.0517
1-sigma variation
0.0066
Unit
Mean Anomaly (M)
Value
23.39082
1-sigma variation
0.20821
Unit
Perihelion distance
Value
0.976678
1-sigma variation
Unit
Aphelion distance
Value
1.826650
1-sigma variation
Unit
Asc. Node-Earth Sep.
Value
0.745886
1-sigma variation
Unit
Desc. Node-Earth Sep.
Value
0.000004
1-sigma variation
Unit
MOID
Value
0.000001
1-sigma variation
Unit
Orbit Period
Value
606.1280
1-sigma variation
Unit
U parameter
Value
6.4
1-sigma variation
Unit
-
Covariance Matrix
aeiΩωM
a9.20978E-95.81958E-9-1.32705E-7-1.25440E-76.28601E-7-1.99813E-5
e5.81958E-93.67752E-9-8.38648E-8-7.92637E-83.97338E-7-1.26261E-5
i-1.32705E-7-8.38648E-82.02442E-61.78406E-6-9.05959E-62.87934E-4
Ω-1.25440E-7-7.92637E-81.78406E-61.71347E-6-8.56236E-62.72147E-4
ω6.28601E-73.97338E-7-9.05959E-6-8.56236E-64.29983E-5-1.36384E-3
M-1.99813E-5-1.26261E-52.87934E-42.72147E-4-1.36384E-34.33509E-2
Date of computation: 2026-07-30 14:25 UTC
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