NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2021LL9 ∴ Orbital info ∴ Epoch 60600 MJD

2021LL9 ▹

ORBITAL INFORMATION

◲

(ASCII data file 2021LL9.eq1)

Keplerian elements
(Epoch 60600.0 MJD)
	Value	1-σ variation	Units
a	2.14711	0.01805	au
e	0.492456	0.005059
i	6.172	0.06085	deg
Ω	230.57	0.3581	deg
ω	72.087	0.714	deg
M	9.814	4.732	deg

Other useful info
Absolute Magnitude (H)	24.6	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.0898	au
Aphelion distance	3.2045	au
Asc. node-Earth separation	0.40387	au
Desc. node-Earth separation	0.92788	au
Earth MOID	0.12804	au
Orbital period	1149.16	days
Date of orbit computation	Jul 29 13:06

Covariance matrix
3.25824905E-04	9.07761682E-05	-7.40781271E-04	-5.57515447E-03	1.12342902E-02	-8.54150209E-02
9.07761682E-05	2.55934278E-05	-2.31104602E-04	-1.65300003E-03	3.32246649E-03	-2.38169164E-02
-7.40781271E-04	-2.31104602E-04	3.70245712E-03	2.08187061E-02	-4.12610427E-02	1.95823345E-01
-5.57515447E-03	-1.65300003E-03	2.08187061E-02	1.28253525E-01	-2.55654483E-01	1.46809394E+00
1.12342902E-02	3.32246649E-03	-4.12610427E-02	-2.55654483E-01	5.09792911E-01	-2.95774798E+00
-8.54150209E-02	-2.38169164E-02	1.95823345E-01	1.46809394E+00	-2.95774798E+00	2.23928665E+01

Correlation matrix
1.00000000	0.99406660	-0.67445478	-0.86244242	0.87167904	-0.99997068
0.99406660	1.00000000	-0.75075693	-0.91237627	0.91981288	-0.99487029
-0.67445478	-0.75075693	1.00000000	0.95537542	-0.94972591	0.68008720
-0.86244242	-0.91237627	0.95537542	1.00000000	-0.99982010	0.86629209
0.87167904	0.91981288	-0.94972591	-0.99982010	1.00000000	-0.87540581
-0.99997068	-0.99487029	0.68008720	0.86629209	-0.87540581	1.00000000