2021DW1 help
Last update: 2026-06-04 23:11 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
61200.0000
1-sigma variation
Unit
MJD
Semimajor Axis
Value
1.327159
1-sigma variation
0.000003
Unit
Eccentricity (e)
Value
0.252542
1-sigma variation
0.000002
Unit
-
Inclination (i)
Value
6.8775
1-sigma variation
4.568E-5
Unit
Long. of Ascending Node (Ω)
Value
162.4571
1-sigma variation
7.082E-6
Unit
Arg. of Perihelion (ω)
Value
10.5985
1-sigma variation
1.033E-5
Unit
Mean Anomaly (M)
Value
154.13434
1-sigma variation
0.00436
Unit
Perihelion distance
Value
0.991996
1-sigma variation
Unit
Aphelion distance
Value
1.662322
1-sigma variation
Unit
Asc. Node-Earth Sep.
Value
0.004256
1-sigma variation
Unit
Desc. Node-Earth Sep.
Value
0.644022
1-sigma variation
Unit
MOID
Value
0.003925
1-sigma variation
Unit
Orbit Period
Value
558.4482
1-sigma variation
Unit
U parameter
Value
4.1
1-sigma variation
Unit
-
Covariance Matrix
aeiΩωM
a9.50089E-125.37390E-121.40479E-102.17394E-11-1.98839E-12-1.34361E-8
e5.37390E-123.03961E-127.94577E-111.22967E-11-1.07745E-12-7.59978E-9
i1.40479E-107.94577E-112.08643E-93.21854E-10-2.73705E-11-1.98666E-7
Ω2.17394E-111.22967E-113.21854E-105.01510E-11-4.10513E-12-3.07442E-8
ω-1.98839E-12-1.07745E-12-2.73705E-11-4.10513E-121.06720E-102.75059E-9
M-1.34361E-8-7.59978E-9-1.98666E-7-3.07442E-82.75059E-91.90014E-5
Date of computation: 2026-06-04 23:11 UTC
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