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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2015HT21 ∴ Orbital info ∴ Epoch epochXXX
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(472993) 2015HT21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 472993.eq0)
Keplerian elements at epoch
58069.1 MJD
Value 1-σ variation Units
a 2.66529 2.622e-08 au
e 0.090598 5.068e-08
i 9.338 8.487e-06 deg
Ω 181.251 3.138e-05 deg
ω 280.43 6.089e-05 deg
M 304.753 5.088e-05 deg
Other useful info
Absolute Magnitude (H)    16.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4238 au
Aphelion 2.9068 au
Asc. node-Earth separation 1.60375 au
Desc. node-Earth separation 1.68464 au
Earth MOID 1.46097 au
Orbital period 1589.34 days
Date of orbit computation  apr 23 21:30
Correlation matrix
1.00000000-0.250712750.020227250.002016700.07262152-0.09760597
-0.250712751.00000000-0.018019160.003025780.12542702-0.10957469
0.02022725-0.018019161.000000000.11953149-0.03493306-0.03111574
0.002016700.003025780.119531491.00000000-0.49787835-0.01270049
0.072621520.12542702-0.03493306-0.497878351.00000000-0.85700814
-0.09760597-0.10957469-0.03111574-0.01270049-0.857008141.00000000
Covariance matrix
6.87566723E-16-3.33179972E-164.50155100E-151.65935587E-151.15951755E-13-1.30226060E-13
-3.33179972E-162.56856223E-15-7.75081969E-154.81198003E-153.87071094E-13-2.82565680E-13
4.50155100E-15-7.75081969E-157.20337466E-113.18340042E-11-1.80534085E-11-1.34373073E-11
1.65935587E-154.81198003E-153.18340042E-119.84650040E-10-9.51302806E-10-2.02780161E-11
1.15951755E-133.87071094E-13-1.80534085E-11-9.51302806E-103.70773908E-09-2.65523908E-09
-1.30226060E-13-2.82565680E-13-1.34373073E-11-2.02780161E-11-2.65523908E-092.58897708E-09