NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2018PL21 ∴ Orbital info ∴ Epoch 58341 MJD

2018PL21 ▹

ORBITAL INFORMATION

◲

(ASCII data file 2018PL21.eq0)

Keplerian elements
(Epoch 58341.9 MJD)
	Value	1-σ variation	Units
a	1.73172	0.01059	au
e	0.468077	0.003075
i	24.066	0.1282	deg
Ω	317.809	0.01493	deg
ω	84.352	0.1329	deg
M	327.516	0.3534	deg

Other useful info
Absolute Magnitude (H)	23.4	mag
Slope parameter (G)	0.15	mag
Perihelion distance	0.9211	au
Aphelion distance	2.5423	au
Asc. node-Earth separation	0.27907	au
Desc. node-Earth separation	0.42962	au
Earth MOID	0.18645	au
Orbital period	832.368	days
Date of orbit computation	feb 26 11:42

Covariance matrix
1.12091653E-04	3.25492274E-05	1.35683762E-03	1.58112054E-04	-1.40590183E-03	3.74106345E-03
3.25492274E-05	9.45309676E-06	3.93960269E-04	4.59084817E-05	-4.08032854E-04	1.08633333E-03
1.35683762E-03	3.93960269E-04	1.64252944E-02	1.91402819E-03	-1.70237529E-02	4.52844228E-02
1.58112054E-04	4.59084817E-05	1.91402819E-03	2.23040570E-04	-1.98372193E-03	5.27698646E-03
-1.40590183E-03	-4.08032854E-04	-1.70237529E-02	-1.98372193E-03	1.76652611E-02	-4.69218489E-02
3.74106345E-03	1.08633333E-03	4.52844228E-02	5.27698646E-03	-4.69218489E-02	1.24858175E-01

Correlation matrix
1.00000000	0.99992401	0.99996468	0.99996871	-0.99909856	0.99999988
0.99992401	1.00000000	0.99979001	0.99980187	-0.99849996	0.99992531
0.99996468	0.99979001	1.00000000	0.99999957	-0.99939851	0.99996261
0.99996871	0.99980187	0.99999957	1.00000000	-0.99937580	0.99996674
-0.99909856	-0.99849996	-0.99939851	-0.99937580	1.00000000	-0.99909456
0.99999988	0.99992531	0.99996261	0.99996674	-0.99909456	1.00000000