AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999XH218 ∴ Orbital info ∴ Epoch epochXXX
Contact »
(137775) 1999XH218  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 137775.eq0)
Keplerian elements at epoch
57764.1 MJD
Value 1-σ variation Units
a 2.53811 1.178e-08 au
e 0.12434 7.285e-08
i 3.6 4.47e-06 deg
Ω 93.556 0.0001151 deg
ω 141.908 0.0001172 deg
M 322.111 2.281e-05 deg
Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2225 au
Aphelion 2.8537 au
Asc. node-Earth separation 1.78656 au
Desc. node-Earth separation 1.26136 au
Earth MOID 1.21375 au
Orbital period 1476.95 days
Date of orbit computation  apr 23 20:17
Correlation matrix
1.00000000-0.057264810.000606550.01112424-0.019199190.05315785
-0.057264811.000000000.01191561-0.03331506-0.119258240.68364904
0.000606550.011915611.00000000-0.505324800.494054940.00729974
0.01112424-0.03331506-0.505324801.00000000-0.97594964-0.01714128
-0.01919919-0.119258240.49405494-0.975949641.00000000-0.19917901
0.053157850.683649040.00729974-0.01714128-0.199179011.00000000
Covariance matrix
1.38795761E-16-4.91480182E-173.19388457E-171.50861097E-14-2.65170413E-141.42829760E-14
-4.91480182E-175.30713620E-153.87980846E-15-2.79376270E-13-1.01852694E-121.13586446E-12
3.19388457E-173.87980846E-151.99768985E-11-2.59988083E-102.58876883E-107.44106073E-13
1.50861097E-14-2.79376270E-13-2.59988083E-101.32506628E-08-1.31704375E-08-4.50013056E-11
-2.65170413E-14-1.01852694E-122.58876883E-10-1.31704375E-081.37438366E-08-5.32550454E-10
1.42829760E-141.13586446E-127.44106073E-13-4.50013056E-11-5.32550454E-105.20147331E-10