AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998HG21 ∴ Orbital info ∴ Epoch epochXXX
Contact »
(91103) 1998HG21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 91103.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.59724 8.787e-09 au
e 0.145194 4.524e-08
i 3.214 4.782e-06 deg
Ω 35.624 6.342e-05 deg
ω 16.885 6.494e-05 deg
M 203.935 1.302e-05 deg
Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2201 au
Aphelion 2.9743 au
Asc. node-Earth separation 1.23983 au
Desc. node-Earth separation 1.94633 au
Earth MOID 1.23153 au
Orbital period 1528.85 days
Date of orbit computation  apr 23 20:06
Correlation matrix
1.000000000.224382120.00502332-0.00134884-0.05056874-0.04140554
0.224382121.00000000-0.000633810.00190772-0.074305610.20772367
0.00502332-0.000633811.00000000-0.013138880.01382324-0.00576724
-0.001348840.00190772-0.013138881.00000000-0.97363128-0.00157463
-0.05056874-0.074305610.01382324-0.973631281.00000000-0.21310039
-0.041405540.20772367-0.00576724-0.00157463-0.213100391.00000000
Covariance matrix
7.72036080E-178.92018425E-172.11050617E-16-7.51640859E-16-2.88530181E-14-4.73755454E-15
8.92018425E-172.04707415E-15-1.37121377E-165.47408247E-15-2.18312552E-131.22385440E-13
2.11050617E-16-1.37121377E-162.28640689E-11-3.98442276E-124.29217153E-12-3.59104946E-13
-7.51640859E-165.47408247E-15-3.98442276E-124.02216901E-09-4.00972865E-09-1.30042693E-12
-2.88530181E-14-2.18312552E-134.29217153E-12-4.00972865E-094.21677683E-09-1.80198652E-10
-4.73755454E-151.22385440E-13-3.59104946E-13-1.30042693E-12-1.80198652E-101.69571925E-10