251732 1998HG49 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
1.200542
1-sigma variation
9.395E-9
Unit
Eccentricity (e)
Value
0.112504
1-sigma variation
7.616E-8
Unit
-
Inclination (i)
Value
4.1949
1-sigma variation
3.747E-6
Unit
Long. of Ascending Node (Ω)
Value
44.8006
1-sigma variation
4.119E-5
Unit
Arg. of Perihelion (ω)
Value
324.2594
1-sigma variation
0.0001
Unit
Mean Anomaly (M)
Value
188.40774
1-sigma variation
0.00005
Unit
Perihelion distance
Value
1.065476
1-sigma variation
Unit
Aphelion distance
Value
1.335608
1-sigma variation
Unit
Asc. Node-Earth Sep.
Value
0.095018
1-sigma variation
Unit
Desc. Node-Earth Sep.
Value
0.294337
1-sigma variation
Unit
MOID
Value
0.076261
1-sigma variation
Unit
Orbit Period
Value
480.4678
1-sigma variation
Unit
U parameter
Value
0.4
1-sigma variation
Unit
-
A2
Value
-95.41460
1-sigma variation
17.63690
Unit
10-15au/days2
Covariance Matrix
aeiΩωMA2
a8.82753E-17-5.38485E-16-4.41637E-15-3.98699E-152.07040E-13-3.51753E-131.64223E-7
e-5.38485E-165.80009E-152.84593E-148.07065E-14-7.70159E-131.39873E-12-1.02663E-6
i-4.41637E-152.84593E-141.40404E-11-2.95749E-111.16548E-112.69396E-11-8.24635E-6
Ω-3.98699E-158.07065E-14-2.95749E-111.69690E-9-1.65627E-9-4.17161E-11-9.30338E-6
ω2.07040E-13-7.70159E-131.16548E-11-1.65627E-92.55261E-9-1.33181E-93.81104E-4
M-3.51753E-131.39873E-122.69396E-11-4.17161E-11-1.33181E-92.09812E-9-6.41283E-4
A21.64223E-7-1.02663E-6-8.24635E-6-9.30338E-63.81104E-4-6.41283E-43.11059E2
Date of computation: 2025-09-10 00:30 UTC
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