NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2021LL9 ∴ Orbital info ∴ Epoch 60400 MJD

2021LL9 ▹

ORBITAL INFORMATION

◲

(ASCII data file 2021LL9.eq1)

Keplerian elements
(Epoch 60400.0 MJD)
	Value	1-σ variation	Units
a	2.14713	0.01808	au
e	0.49249	0.005071
i	6.172	0.06085	deg
Ω	230.571	0.3582	deg
ω	72.091	0.7151	deg
M	307.159	3.941	deg

Other useful info
Absolute Magnitude (H)	24.6	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.0897	au
Aphelion distance	3.2046	au
Asc. node-Earth separation	0.40199	au
Desc. node-Earth separation	0.92835	au
Earth MOID	0.12753	au
Orbital period	1149.17	days
Date of orbit computation	feb 26 12:28

Covariance matrix
3.26736705E-04	9.11197647E-05	-7.41873775E-04	-5.58541644E-03	1.12727237E-02	-7.12274981E-02
9.11197647E-05	2.57141191E-05	-2.31611116E-04	-1.65738585E-03	3.33624213E-03	-1.98837113E-02
-7.41873775E-04	-2.31611116E-04	3.70260653E-03	2.08248938E-02	-4.13127213E-02	1.63351216E-01
-5.58541644E-03	-1.65738585E-03	2.08248938E-02	1.28336515E-01	-2.56120753E-01	1.22415972E+00
1.12727237E-02	3.33624213E-03	-4.13127213E-02	-2.56120753E-01	5.11336793E-01	-2.47007541E+00
-7.12274981E-02	-1.98837113E-02	1.63351216E-01	1.22415972E+00	-2.47007541E+00	1.55286634E+01

Correlation matrix
1.00000000	0.99409480	-0.67449273	-0.86254443	0.87212026	-0.99995784
0.99409480	1.00000000	-0.75061941	-0.91235253	0.92006437	-0.99504927
-0.67449273	-0.75061941	1.00000000	0.95533105	-0.94945962	0.68124222
-0.86254443	-0.91235253	0.95533105	1.00000000	-0.99980690	0.86715339
0.87212026	0.92006437	-0.94945962	-0.99980690	1.00000000	-0.87657615
-0.99995784	-0.99504927	0.68124222	0.86715339	-0.87657615	1.00000000