NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021HD3 ∴ Orbital info ∴ Epoch 59340 MJD
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2021HD3  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021HD3.eq0)
Keplerian elements
(Epoch 59340.4 MJD)
Value 1-σ variation Units
a 1.64172 0.0003552 au
e 0.389104 0.0001337
i 9.393 0.00234 deg
Ω 55.222 0.000525 deg
ω 209.697 0.0005612 deg
M 342.186 0.006103 deg
Other useful info
Absolute Magnitude (H)    24.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0029 au
Aphelion distance 2.2805 au
Asc. node-Earth separation 1.11499 au
Desc. node-Earth separation 0.03011 au
Earth MOID 0.02242 au
Orbital period 768.328 days
Date of orbit computation   Jul 29 13:13

Covariance matrix
1.26191499E-074.75112320E-088.31301418E-07-1.86425425E-071.98716528E-072.16791035E-06
4.75112320E-081.78880357E-083.12985230E-07-7.01888719E-087.48187993E-088.16219845E-07
8.31301418E-073.12985230E-075.47675607E-06-1.22838047E-061.30963432E-061.42811602E-05
-1.86425425E-07-7.01888719E-08-1.22838047E-062.75646136E-07-2.93906902E-07-3.20260351E-06
1.98716528E-077.48187993E-081.30963432E-06-2.93906902E-073.14977964E-073.41308606E-06
2.16791035E-068.16219845E-071.42811602E-05-3.20260351E-063.41308606E-063.72439801E-05

Correlation matrix
1.000000000.999999810.99995803-0.999572130.996733040.99999592
0.999999811.000000000.99995583-0.999564860.996757060.99999489
0.999958030.999955831.00000000-0.999758830.997121910.99993956
-0.99957213-0.99956486-0.999758831.00000000-0.99745599-0.99953770
0.996733040.996757060.99712191-0.997455991.000000000.99650415
0.999995920.999994890.99993956-0.999537700.996504151.00000000