2018CL 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
0.854370
1-sigma variation
0.000019
Unit
Eccentricity (e)
Value
0.241216
1-sigma variation
0.000072
Unit
-
Inclination (i)
Value
11.8512
1-sigma variation
0.0045
Unit
Long. of Ascending Node (Ω)
Value
136.2570
1-sigma variation
3.607E-5
Unit
Arg. of Perihelion (ω)
Value
141.6924
1-sigma variation
0.0005
Unit
Mean Anomaly (M)
Value
189.24901
1-sigma variation
0.14213
Unit
Perihelion distance
Value
0.648282
1-sigma variation
Unit
Aphelion distance
Value
1.060458
1-sigma variation
Unit
Asc. Node-Earth Sep.
Value
0.005986
1-sigma variation
Unit
Desc. Node-Earth Sep.
Value
-0.338365
1-sigma variation
Unit
MOID
Value
0.004328
1-sigma variation
Unit
Orbit Period
Value
288.4477
1-sigma variation
Unit
U parameter
Value
6.1
1-sigma variation
Unit
-
Covariance Matrix
aeiΩωM
a3.73693E-10-1.38716E-9-8.65133E-86.96328E-105.57802E-9-2.74738E-6
e-1.38716E-95.16025E-93.21830E-7-2.58440E-9-2.20635E-81.02017E-5
i-8.65133E-83.21830E-72.00760E-5-1.61113E-7-1.37578E-66.36251E-4
Ω6.96328E-10-2.58440E-9-1.61113E-71.30100E-91.03434E-8-5.11926E-6
ω5.57802E-9-2.20635E-8-1.37578E-61.03434E-82.49812E-7-4.14182E-5
M-2.74738E-61.02017E-56.36251E-4-5.11926E-6-4.14182E-52.01997E-2
Date of computation: 2025-09-10 00:30 UTC
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