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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001HP54 ∴ Orbital info ∴ Epoch epochXXX
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(51640) 2001HP54  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 51640.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.33932 8.019e-09 au
e 0.04477 4.573e-08
i 6.144 4.844e-06 deg
Ω 171.386 3.244e-05 deg
ω 11.743 5.104e-05 deg
M 180.065 4.007e-05 deg
Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2346 au
Aphelion 2.4441 au
Asc. node-Earth separation 1.24314 au
Desc. node-Earth separation 1.4363 au
Earth MOID 1.23745 au
Orbital period 1306.87 days
Date of orbit computation  apr 23 19:57
Correlation matrix
1.000000000.042959560.006824090.004023450.10090431-0.23264949
0.042959561.00000000-0.00611270-0.006447280.01972255-0.02165055
0.00682409-0.006112701.000000000.15806809-0.10013923-0.00004205
0.00402345-0.006447280.158068091.00000000-0.63095487-0.00205355
0.100904310.01972255-0.10013923-0.630954871.00000000-0.76840838
-0.23264949-0.02165055-0.00004205-0.00205355-0.768408381.00000000
Covariance matrix
6.42996839E-171.57516821E-172.65074286E-161.04646273E-154.12940737E-14-7.47487069E-14
1.57516821E-172.09086189E-15-1.35398639E-15-9.56224816E-154.60255938E-14-3.96669408E-14
2.65074286E-16-1.35398639E-152.34659089E-112.48361154E-11-2.47569150E-11-8.16101013E-15
1.04646273E-15-9.56224816E-152.48361154E-111.05206255E-09-1.04446209E-09-2.66883829E-12
4.12940737E-144.60255938E-14-2.47569150E-11-1.04446209E-092.60463697E-09-1.57131356E-09
-7.47487069E-14-3.96669408E-14-8.16101013E-15-2.66883829E-12-1.57131356E-091.60544093E-09