NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2009HL21 ∴ Orbital info ∴ Epoch 60400 MJD
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2009HL21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2009HL21.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.66346 1.46e-08 au
e 0.444369 1.322e-06
i 1.01 9.105e-06 deg
Ω 144.349 0.001843 deg
ω 9.424 0.002044 deg
M 8.87 5.799e-05 deg
Other useful info
Absolute Magnitude (H)    22.4 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9243 au
Aphelion distance 2.4026 au
Asc. node-Earth separation -0.05874 au
Desc. node-Earth separation 1.36421 au
Earth MOID 0.00777 au
Orbital period 783.639 days
Date of orbit computation   mag 9 16:16

Covariance matrix
2.13183129E-16-1.90909975E-14-3.93130236E-14-1.91851906E-112.31633336E-11-7.77336370E-13
-1.90909975E-141.74718887E-123.85257284E-121.72991328E-09-2.10060957E-097.30116148E-11
-3.93130236E-143.85257284E-128.28986491E-111.39812646E-08-1.48348974E-081.74306570E-10
-1.91851906E-111.72991328E-091.39812646E-083.39504230E-06-3.74673370E-066.67197301E-08
2.31633336E-11-2.10060957E-09-1.48348974E-08-3.74673370E-064.17926834E-06-8.30125339E-08
-7.77336370E-137.30116148E-111.74306570E-106.67197301E-08-8.30125339E-083.36270127E-09

Correlation matrix
1.00000000-0.98919583-0.29572382-0.713127370.77602286-0.91809670
-0.989195831.000000000.320115870.71028364-0.777365540.95252829
-0.295723820.320115871.000000000.83339354-0.797004350.33013828
-0.713127370.710283640.833393541.00000000-0.994672480.62443544
0.77602286-0.77736554-0.79700435-0.994672481.00000000-0.70024400
-0.918096700.952528290.330138280.62443544-0.700244001.00000000