2018UA help
Last update: 2025-07-29 02:36 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
60800.0000
1-sigma variation
Unit
MJD
Semimajor Axis
Value
1.390307
1-sigma variation
0.000892
Unit
Eccentricity (e)
Value
0.447562
1-sigma variation
0.000341
Unit
-
Inclination (i)
Value
2.6441
1-sigma variation
0.0040
Unit
Long. of Ascending Node (Ω)
Value
205.4626
1-sigma variation
0.0159
Unit
Arg. of Perihelion (ω)
Value
255.4854
1-sigma variation
0.0376
Unit
Mean Anomaly (M)
Value
325.79580
1-sigma variation
0.96141
Unit
Perihelion distance
Value
0.768058
1-sigma variation
Unit
Aphelion distance
Value
2.012556
1-sigma variation
Unit
Asc. Node-Earth Sep.
Value
0.249079
1-sigma variation
Unit
Desc. Node-Earth Sep.
Value
0.003536
1-sigma variation
Unit
MOID
Value
0.000432
1-sigma variation
Unit
Orbit Period
Value
598.7761
1-sigma variation
Unit
U parameter
Value
7.8
1-sigma variation
Unit
-
Covariance Matrix
aeiΩωM
a7.96209E-73.04052E-73.53641E-61.41645E-5-3.34756E-5-8.57874E-4
e3.04052E-71.16243E-71.34909E-65.40747E-6-1.27554E-5-3.27605E-4
i3.53641E-61.34909E-61.58342E-56.29467E-5-1.48992E-4-3.81025E-3
Ω1.41645E-55.40747E-66.29467E-52.52009E-4-5.95873E-4-1.52615E-2
ω-3.34756E-5-1.27554E-5-1.48992E-4-5.95873E-41.41338E-33.60672E-2
M-8.57874E-4-3.27605E-4-3.81025E-3-1.52615E-23.60672E-29.24316E-1
Date of computation: 2025-07-29 02:36 UTC
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