NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021AP4 ∴ Orbital info ∴ Epoch 60400 MJD
Contact »
2021AP4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021AP4.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.17318 5.493e-05 au
e 0.448558 4.474e-05
i 21.489 0.002778 deg
Ω 310.477 0.0007133 deg
ω 291.676 0.0003591 deg
M 111.652 0.05669 deg
Other useful info
Absolute Magnitude (H)    22.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.6469 au
Aphelion distance 1.6994 au
Asc. node-Earth separation -0.21054 au
Desc. node-Earth separation 0.13848 au
Earth MOID 0.07808 au
Orbital period 464.139 days
Date of orbit computation   feb 26 12:26

Covariance matrix
3.01773609E-092.45605522E-091.52387834E-07-3.90096836E-08-1.48187601E-08-3.11423302E-06
2.45605522E-092.00204934E-091.24274480E-07-3.18502787E-08-1.16523614E-08-2.53459784E-06
1.52387834E-071.24274480E-077.71819610E-06-1.97969134E-06-7.12909658E-07-1.57262889E-04
-3.90096836E-08-3.18502787E-08-1.97969134E-065.08738612E-071.76648433E-074.02581386E-05
-1.48187601E-08-1.16523614E-08-7.12909658E-071.76648433E-071.28977703E-071.52898459E-05
-3.11423302E-06-2.53459784E-06-1.57262889E-044.02581386E-051.52898459E-053.21381719E-03

Correlation matrix
1.000000000.999217680.99850849-0.99559899-0.75112794-0.99999975
0.999217681.000000000.99973906-0.99799531-0.72513562-0.99921993
0.998508490.999739061.00000000-0.99906151-0.71452804-0.99852228
-0.99559899-0.99799531-0.999061511.000000000.689612490.99562491
-0.75112794-0.72513562-0.714528040.689612491.000000000.75099181
-0.99999975-0.99921993-0.998522280.995624910.750991811.00000000