NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021HD ∴ Orbital info ∴ Epoch 59321 MJD
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ORBITAL INFORMATION
◲
(ASCII data file 2021HD.eq0)
Keplerian elements
(Epoch 59321.0 MJD)
Value 1-σ variation Units
a 0.9131 3.105e-05 au
e 0.327804 0.0002258
i 14.095 0.01251 deg
Ω 208.392 0.0009934 deg
ω 127.76 0.005194 deg
M 263.507 0.03403 deg
Other useful info
Absolute Magnitude (H)    26.3 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.6138 au
Aphelion distance 1.2124 au
Asc. node-Earth separation 0.01543 au
Desc. node-Earth separation -0.31748 au
Earth MOID 0.00891 au
Orbital period 318.695 days
Date of orbit computation   feb 26 12:46

Covariance matrix
9.64288117E-106.82723736E-093.78331567E-07-2.99869943E-08-1.61150726E-071.04039472E-06
6.82723736E-095.10039460E-082.82493048E-06-2.24338945E-07-1.13045795E-067.67355780E-06
3.78331567E-072.82493048E-061.56467135E-04-1.24256131E-05-6.26493346E-054.25062109E-04
-2.99869943E-08-2.24338945E-07-1.24256131E-059.86853101E-074.96391710E-06-3.37406831E-05
-1.61150726E-07-1.13045795E-06-6.26493346E-054.96391710E-062.69729034E-05-1.72658774E-04
1.04039472E-067.67355780E-064.25062109E-04-3.37406831E-05-1.72658774E-041.15796363E-03

Correlation matrix
1.000000000.973508410.97399697-0.97208283-0.999228960.98457153
0.973508411.000000000.99998690-0.99994596-0.963803890.99849851
0.973996970.999986901.00000000-0.99995396-0.964364130.99860415
-0.97208283-0.99994596-0.999953961.000000000.96213146-0.99811402
-0.99922896-0.96380389-0.964364130.962131461.00000000-0.97696126
0.984571530.998498510.99860415-0.99811402-0.976961261.00000000