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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999UN21 ∴ Orbital info ∴ Epoch epochXXX
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(264329) 1999UN21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 264329.eq0)
Keplerian elements at epoch
57415.1 MJD
Value 1-σ variation Units
a 2.31118 1.264e-08 au
e 0.113238 1.84e-07
i 1.722 1.325e-05 deg
Ω 217.013 0.0002783 deg
ω 165.601 0.0002833 deg
M 232.503 4.784e-05 deg
Other useful info
Absolute Magnitude (H)    18.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0495 au
Aphelion 2.5729 au
Asc. node-Earth separation 1.55642 au
Desc. node-Earth separation 1.0639 au
Earth MOID 1.05293 au
Orbital period 1283.36 days
Date of orbit computation  Jun 5 01:33
Correlation matrix
1.00000000-0.444948520.010800980.015222940.06350188-0.39233560
-0.444948521.00000000-0.022339900.00571045-0.129235920.59070651
0.01080098-0.022339901.00000000-0.455019330.44739437-0.00430686
0.015222940.00571045-0.455019331.00000000-0.97959106-0.01390038
0.06350188-0.129235920.44739437-0.979591061.00000000-0.18584006
-0.392335600.59070651-0.00430686-0.01390038-0.185840061.00000000
Covariance matrix
1.59705510E-16-1.03484493E-151.80869677E-155.35439913E-142.27341022E-13-2.37202143E-13
-1.03484493E-153.38696818E-14-5.44790180E-142.92501633E-13-6.73783039E-125.20089705E-12
1.80869677E-15-5.44790180E-141.75584072E-10-1.67812651E-091.67943943E-09-2.73026465E-12
5.35439913E-142.92501633E-13-1.67812651E-097.74648325E-08-7.72375301E-08-1.85088683E-10
2.27341022E-13-6.73783039E-121.67943943E-09-7.72375301E-088.02532348E-08-2.51867159E-09
-2.37202143E-135.20089705E-12-2.73026465E-12-1.85088683E-10-2.51867159E-092.28876855E-09