2015XY261 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
1.495134
1-sigma variation
0.000234
Unit
Eccentricity (e)
Value
0.464762
1-sigma variation
0.000114
Unit
-
Inclination (i)
Value
1.5900
1-sigma variation
2.889E-5
Unit
Long. of Ascending Node (Ω)
Value
86.8847
1-sigma variation
0.0028
Unit
Arg. of Perihelion (ω)
Value
62.0062
1-sigma variation
0.0049
Unit
Mean Anomaly (M)
Value
240.16596
1-sigma variation
0.58631
Unit
Perihelion distance
Value
0.800252
1-sigma variation
Unit
Aphelion distance
Value
2.190017
1-sigma variation
Unit
Asc. Node-Earth Sep.
Value
-0.021365
1-sigma variation
Unit
Desc. Node-Earth Sep.
Value
0.481666
1-sigma variation
Unit
MOID
Value
0.001748
1-sigma variation
Unit
Orbit Period
Value
667.7575
1-sigma variation
Unit
U parameter
Value
7.0
1-sigma variation
Unit
-
Covariance Matrix
aeiΩωM
a5.48416E-82.66772E-85.62864E-96.57061E-7-1.15286E-6-1.37304E-4
e2.66772E-81.29769E-82.73950E-93.19615E-7-5.60783E-7-6.67903E-5
i5.62864E-92.73950E-98.34636E-106.63948E-8-1.16935E-7-1.40921E-5
Ω6.57061E-73.19615E-76.63948E-87.87664E-6-1.38182E-5-1.64505E-3
ω-1.15286E-6-5.60783E-7-1.16935E-7-1.38182E-52.42438E-52.88634E-3
M-1.37304E-4-6.67903E-5-1.40921E-5-1.64505E-32.88634E-33.43760E-1
Date of computation: 2026-07-30 14:25 UTC
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