2021DW1 help
Last update: 2025-02-19 13:28 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
256.28653
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
a9.43099E-125.36712E-121.39997E-102.19101E-11-6.46394E-12-1.06306E-8
e5.36712E-123.05441E-127.96716E-111.24693E-11-3.63146E-12-6.04982E-9
i1.39997E-107.96716E-112.08751E-93.25661E-10-9.39276E-11-1.57806E-7
Ω2.19101E-111.24693E-113.25661E-105.13099E-11-1.45670E-11-2.46975E-8
ω-6.46394E-12-3.63146E-12-9.39276E-11-1.45670E-111.10698E-107.22504E-9
M-1.06306E-8-6.04982E-9-1.57806E-7-2.46975E-87.22504E-91.19828E-5
Date of computation: 2025-02-19 13:28 UTC
Note: The ASCII file is in a format suitable for Orbfit input.
Download ASCII file: