2015XY261 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
1.495227
1-sigma variation
0.000233
Unit
Eccentricity (e)
Value
0.464681
1-sigma variation
0.000114
Unit
-
Inclination (i)
Value
1.5900
1-sigma variation
2.912E-5
Unit
Long. of Ascending Node (Ω)
Value
86.8866
1-sigma variation
0.0028
Unit
Arg. of Perihelion (ω)
Value
61.9980
1-sigma variation
0.0049
Unit
Mean Anomaly (M)
Value
132.36171
1-sigma variation
0.56098
Unit
Perihelion distance
Value
0.800423
1-sigma variation
Unit
Aphelion distance
Value
2.190031
1-sigma variation
Unit
Asc. Node-Earth Sep.
Value
-0.021037
1-sigma variation
Unit
Desc. Node-Earth Sep.
Value
0.480363
1-sigma variation
Unit
MOID
Value
0.001720
1-sigma variation
Unit
Orbit Period
Value
667.8197
1-sigma variation
Unit
U parameter
Value
7.0
1-sigma variation
Unit
-
Covariance Matrix
aeiΩωM
a5.45150E-82.66453E-85.67515E-96.54972E-7-1.14285E-6-1.30980E-4
e2.66453E-81.30235E-82.77535E-93.20125E-7-5.58578E-7-6.40192E-5
i5.67515E-92.77535E-98.47760E-106.71426E-8-1.17586E-7-1.36354E-5
Ω6.54972E-73.20125E-76.71426E-87.87355E-6-1.37366E-5-1.57366E-3
ω-1.14285E-6-5.58578E-7-1.17586E-7-1.37366E-52.39676E-52.74586E-3
M-1.30980E-4-6.40192E-5-1.36354E-5-1.57366E-32.74586E-33.14698E-1
Date of computation: 2025-09-10 00:30 UTC
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