2021DW1 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
1.327121
1-sigma variation
0.000003
Unit
Eccentricity (e)
Value
0.252503
1-sigma variation
0.000002
Unit
-
Inclination (i)
Value
6.8773
1-sigma variation
4.570E-5
Unit
Long. of Ascending Node (Ω)
Value
162.4600
1-sigma variation
7.004E-6
Unit
Arg. of Perihelion (ω)
Value
10.5850
1-sigma variation
1.042E-5
Unit
Mean Anomaly (M)
Value
25.21905
1-sigma variation
0.00391
Unit
Perihelion distance
Value
0.992019
1-sigma variation
Unit
Aphelion distance
Value
1.662223
1-sigma variation
Unit
Asc. Node-Earth Sep.
Value
0.003165
1-sigma variation
Unit
Desc. Node-Earth Sep.
Value
0.643740
1-sigma variation
Unit
MOID
Value
0.002906
1-sigma variation
Unit
Orbit Period
Value
558.4241
1-sigma variation
Unit
U parameter
Value
4.1
1-sigma variation
Unit
-
Covariance Matrix
aeiΩωM
a9.43278E-125.34990E-121.40055E-102.14223E-11-4.55438E-12-1.20080E-8
e5.34990E-123.03428E-127.94335E-111.21503E-11-2.53596E-12-6.81051E-9
i1.40055E-107.94335E-112.08881E-93.18490E-10-6.55927E-11-1.78292E-7
Ω2.14223E-111.21503E-113.18490E-104.90595E-11-9.89872E-12-2.72713E-8
ω-4.55438E-12-2.53596E-12-6.55927E-11-9.89872E-121.08553E-105.73647E-9
M-1.20080E-8-6.81051E-9-1.78292E-7-2.72713E-85.73647E-91.52864E-5
Date of computation: 2025-09-10 00:30 UTC
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