12923 Zephyr help
Last update: 2025-03-28 06:16 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
1.962901
1-sigma variation
2.238E-9
Unit
Eccentricity (e)
Value
0.492191
1-sigma variation
1.611E-8
Unit
-
Inclination (i)
Value
5.3054
1-sigma variation
2.346E-6
Unit
Long. of Ascending Node (Ω)
Value
168.1200
1-sigma variation
2.557E-5
Unit
Arg. of Perihelion (ω)
Value
147.1724
1-sigma variation
2.565E-5
Unit
Mean Anomaly (M)
Value
123.19898
1-sigma variation
2.503E-6
Unit
Perihelion distance
Value
0.996779
1-sigma variation
Unit
Aphelion distance
Value
2.929022
1-sigma variation
Unit
Asc. Node-Earth Sep.
Value
1.543741
1-sigma variation
Unit
Desc. Node-Earth Sep.
Value
0.045711
1-sigma variation
Unit
MOID
Value
0.021376
1-sigma variation
Unit
Orbit Period
Value
1004.4907
1-sigma variation
Unit
U parameter
Value
0.0
1-sigma variation
Unit
-
Covariance Matrix
aeiΩωM
a5.00839E-187.19335E-18-1.11074E-161.92008E-15-2.91976E-15-1.88205E-15
e7.19335E-182.59577E-161.07087E-152.24072E-14-4.62617E-15-1.02182E-14
i-1.11074E-161.07087E-155.50564E-122.03125E-11-1.98568E-11-4.20761E-13
Ω1.92008E-152.24072E-142.03125E-116.53972E-10-6.50065E-10-1.56940E-13
ω-2.91976E-15-4.62617E-15-1.98568E-11-6.50065E-106.57698E-10-6.00551E-12
M-1.88205E-15-1.02182E-14-4.20761E-13-1.56940E-13-6.00551E-126.26359E-12
Date of computation: 2025-02-19 16:27 UTC
Note: The ASCII file is in a format suitable for Orbfit input.
Download ASCII file: