NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2001PH9 ∴ Orbital info ∴ Epoch 55192 MJD

2001PH9 ▹

ORBITAL INFORMATION

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(ASCII data file 2001PH9.eq0)

Keplerian elements
(Epoch 55192.2 MJD)
	Value	1-σ variation	Units
a	2.71275	2.108e-08	au
e	0.545877	1.884e-07
i	5.469	1.266e-05	deg
Ω	288.04	0.0001406	deg
ω	64.9	0.0001752	deg
M	302.72	1.601e-05	deg

Other useful info
Absolute Magnitude (H)	21.2	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.2319	au
Aphelion distance	4.1936	au
Asc. node-Earth separation	0.53048	au
Desc. node-Earth separation	1.49535	au
Earth MOID	0.24492	au
Orbital period	1631.98	days
Date of orbit computation	feb 26 10:23

Covariance matrix
4.44451146E-16	2.92619069E-15	-1.20829275E-13	-2.82026960E-13	1.10191047E-12	-2.22933138E-13
2.92619069E-15	3.54965349E-14	-1.17038306E-12	3.41276442E-12	-3.73047288E-12	-3.23370727E-13
-1.20829275E-13	-1.17038306E-12	1.60227270E-10	6.71684495E-10	-8.44436880E-10	5.59571258E-11
-2.82026960E-13	3.41276442E-12	6.71684495E-10	1.97711384E-08	-2.27886797E-08	6.72075138E-10
1.10191047E-12	-3.73047288E-12	-8.44436880E-10	-2.27886797E-08	3.06873849E-08	-1.77065834E-09
-2.22933138E-13	-3.23370727E-13	5.59571258E-11	6.72075138E-10	-1.77065834E-09	2.56383928E-10

Correlation matrix
1.00000000	0.73671181	-0.45278490	-0.09513992	0.29836945	-0.66041544
0.73671181	1.00000000	-0.49075737	0.12882421	-0.11302928	-0.10719199
-0.45278490	-0.49075737	1.00000000	0.37738208	-0.38081937	0.27608435
-0.09513992	0.12882421	0.37738208	1.00000000	-0.92517393	0.29850843
0.29836945	-0.11302928	-0.38081937	-0.92517393	1.00000000	-0.63126168
-0.66041544	-0.10719199	0.27608435	0.29850843	-0.63126168	1.00000000