12538 1998OH help
Last update: 2025-10-01 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
61000.0000
1-sigma variation
Unit
MJD
Semimajor Axis
Value
1.541572
1-sigma variation
2.854E-9
Unit
Eccentricity (e)
Value
0.405902
1-sigma variation
1.572E-8
Unit
-
Inclination (i)
Value
24.5356
1-sigma variation
3.101E-6
Unit
Long. of Ascending Node (Ω)
Value
220.6879
1-sigma variation
5.962E-6
Unit
Arg. of Perihelion (ω)
Value
321.7891
1-sigma variation
6.524E-6
Unit
Mean Anomaly (M)
Value
163.00614
1-sigma variation
3.916E-6
Unit
Perihelion distance
Value
0.915846
1-sigma variation
Unit
Aphelion distance
Value
2.167299
1-sigma variation
Unit
Asc. Node-Earth Sep.
Value
-0.032862
1-sigma variation
Unit
Desc. Node-Earth Sep.
Value
0.898341
1-sigma variation
Unit
MOID
Value
0.030225
1-sigma variation
Unit
Orbit Period
Value
699.1081
1-sigma variation
Unit
U parameter
Value
0.0
1-sigma variation
Unit
-
Covariance Matrix
aeiΩωM
a8.14332E-181.57467E-198.30359E-175.29378E-16-2.87959E-15-7.81994E-15
e1.57467E-192.47263E-16-3.65607E-158.07826E-15-1.80908E-15-1.02271E-14
i8.30359E-17-3.65607E-159.61615E-126.43303E-12-7.09141E-129.10841E-13
Ω5.29378E-168.07826E-156.43303E-123.55476E-11-3.20734E-111.17047E-13
ω-2.87959E-15-1.80908E-15-7.09141E-12-3.20734E-114.25676E-11-6.51169E-12
M-7.81994E-15-1.02271E-149.10841E-131.17047E-13-6.51169E-121.53322E-11
Date of computation: 2025-10-01 14:25 UTC
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