2212 Hephaistos help
Last update: 2024-05-01 04:31 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
60400.0000
1-sigma variation
Unit
MJD
Semimajor Axis
Value
2.164067
1-sigma variation
3.779E-9
Unit
Eccentricity (e)
Value
0.837304
1-sigma variation
2.153E-8
Unit
-
Inclination (i)
Value
11.4771
1-sigma variation
4.638E-6
Unit
Long. of Ascending Node (Ω)
Value
27.4122
1-sigma variation
1.499E-5
Unit
Arg. of Perihelion (ω)
Value
209.5824
1-sigma variation
1.480E-5
Unit
Mean Anomaly (M)
Value
123.28445
1-sigma variation
2.619E-6
Unit
Perihelion distance
Value
0.352086
1-sigma variation
Unit
Aphelion distance
Value
3.976048
1-sigma variation
Unit
Asc. Node-Earth Sep.
Value
1.384111
1-sigma variation
Unit
Desc. Node-Earth Sep.
Value
-0.629613
1-sigma variation
Unit
MOID
Value
0.115175
1-sigma variation
Unit
Orbit Period
Value
1162.7985
1-sigma variation
Unit
U parameter
Value
0.0
1-sigma variation
Unit
-
Covariance Matrix
aeiΩωM
a1.42821E-17-2.45957E-17-2.75878E-15-4.51527E-154.02239E-15-5.69859E-15
e-2.45957E-174.63513E-16-3.15358E-15-4.11225E-15-3.92946E-152.74086E-14
i-2.75878E-15-3.15358E-152.15084E-113.59192E-11-3.44508E-116.76127E-13
Ω-4.51527E-15-4.11225E-153.59192E-112.24641E-10-2.18714E-101.56250E-12
ω4.02239E-15-3.92946E-15-3.44508E-11-2.18714E-102.18898E-10-3.63316E-12
M-5.69859E-152.74086E-146.76127E-131.56250E-12-3.63316E-126.85947E-12
Date of computation: 2024-04-23 10:08 UTC
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