NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2018PH21 ∴ Orbital info ∴ Epoch 58342 MJD

2018PH21 ▹

ORBITAL INFORMATION

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(ASCII data file 2018PH21.eq0)

Keplerian elements
(Epoch 58342.2 MJD)
	Value	1-σ variation	Units
a	1.90998	0.02477	au
e	0.652651	0.005564
i	1.798	0.01192	deg
Ω	188.071	0.04187	deg
ω	226.332	0.03246	deg
M	335.714	0.5386	deg

Other useful info
Absolute Magnitude (H)	24.3	mag
Slope parameter (G)	0.15	mag
Perihelion distance	0.6634	au
Aphelion distance	3.1565	au
Asc. node-Earth separation	0.99807	au
Desc. node-Earth separation	-0.24593	au
Earth MOID	0.01871	au
Orbital period	964.144	days
Date of orbit computation	feb 26 11:48

Covariance matrix
6.13676565E-04	1.37833936E-04	2.94969942E-04	-8.99265300E-05	4.49344007E-05	1.33419898E-02
1.37833936E-04	3.09591346E-05	6.62333740E-05	-1.88249645E-05	9.04302666E-06	2.99659426E-03
2.94969942E-04	6.62333740E-05	1.42108349E-04	-6.67706343E-05	4.00373745E-05	6.41398888E-03
-8.99265300E-05	-1.88249645E-05	-6.67706343E-05	1.75315637E-03	-1.35576497E-03	-2.03334606E-03
4.49344007E-05	9.04302666E-06	4.00373745E-05	-1.35576497E-03	1.05337431E-03	1.03694893E-03
1.33419898E-02	2.99659426E-03	6.41398888E-03	-2.03334606E-03	1.03694893E-03	2.90072880E-01

Correlation matrix
1.00000000	0.99998154	0.99884522	-0.08669773	0.05588790	0.99999372
0.99998154	1.00000000	0.99855657	-0.08080336	0.05007582	0.99995389
0.99884522	0.99855657	1.00000000	-0.13377205	0.10348191	0.99899851
-0.08669773	-0.08080336	-0.13377205	1.00000000	-0.99766037	-0.09016696
0.05588790	0.05007582	0.10348191	-0.99766037	1.00000000	0.05932154
0.99999372	0.99995389	0.99899851	-0.09016696	0.05932154	1.00000000