2021DW1 help
Last update: 2025-04-09 07:59 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
1.327127
1-sigma variation
0.000003
Unit
Eccentricity (e)
Value
0.252586
1-sigma variation
0.000002
Unit
-
Inclination (i)
Value
6.8772
1-sigma variation
4.569E-5
Unit
Long. of Ascending Node (Ω)
Value
162.4650
1-sigma variation
7.163E-6
Unit
Arg. of Perihelion (ω)
Value
10.5861
1-sigma variation
1.052E-5
Unit
Mean Anomaly (M)
Value
256.28657
1-sigma variation
0.00346
Unit
Perihelion distance
Value
0.991913
1-sigma variation
Unit
Aphelion distance
Value
1.662341
1-sigma variation
Unit
Asc. Node-Earth Sep.
Value
0.003681
1-sigma variation
Unit
Desc. Node-Earth Sep.
Value
0.644919
1-sigma variation
Unit
MOID
Value
0.003392
1-sigma variation
Unit
Orbit Period
Value
558.4280
1-sigma variation
Unit
U parameter
Value
4.1
1-sigma variation
Unit
-
Covariance Matrix
aeiΩωM
a9.43098E-125.36711E-121.39997E-102.19093E-11-6.46325E-12-1.06306E-8
e5.36711E-123.05441E-127.96716E-111.24689E-11-3.63107E-12-6.04982E-9
i1.39997E-107.96716E-112.08751E-93.25650E-10-9.39174E-11-1.57806E-7
Ω2.19093E-111.24689E-113.25650E-105.13064E-11-1.45649E-11-2.46966E-8
ω-6.46325E-12-3.63107E-12-9.39174E-11-1.45649E-111.10697E-107.22427E-9
M-1.06306E-8-6.04982E-9-1.57806E-7-2.46966E-87.22427E-91.19828E-5
Date of computation: 2025-04-09 07:59 UTC
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