NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 1991XA ∴ Orbital info ∴ Epoch 60400 MJD

1991XA ▹

ORBITAL INFORMATION

◲

(ASCII data file 1991XA.eq1)

Keplerian elements
(Epoch 60400.0 MJD)
	Value	1-σ variation	Units
a	2.04193	0.0427	au
e	0.523559	0.009549
i	4.916	0.1214	deg
Ω	76.735	0.3265	deg
ω	309.429	0.3283	deg
M	37.427	110.6	deg

Other useful info
Absolute Magnitude (H)	24.0	mag
Slope parameter (G)	0.15	mag
Perihelion distance	0.9729	au
Aphelion distance	3.111	au
Asc. node-Earth separation	0.12783	au
Desc. node-Earth separation	1.20675	au
Earth MOID	0.04036	au
Orbital period	1065.76	days
Date of orbit computation	feb 26 10:21

Covariance matrix
1.82306369E-03	4.07702684E-04	5.18382058E-03	1.39402039E-02	1.40132910E-02	-4.72377739E+00
4.07702684E-04	9.11774901E-05	1.15928254E-03	3.11752349E-03	3.13373709E-03	-1.05640670E+00
5.18382058E-03	1.15928254E-03	1.47401152E-02	3.96385989E-02	3.98481431E-02	-1.34319031E+01
1.39402039E-02	3.11752349E-03	3.96385989E-02	1.06595046E-01	1.07156036E-01	-3.61207461E+01
1.40132910E-02	3.13373709E-03	3.98481431E-02	1.07156036E-01	1.07755241E-01	-3.63101267E+01
-4.72377739E+00	-1.05640670E+00	-1.34319031E+01	-3.61207461E+01	-3.63101267E+01	1.22398756E+04

Correlation matrix
1.00000000	0.99999731	0.99999678	0.99999930	0.99981585	-1.00000000
0.99999731	1.00000000	0.99998858	0.99999403	0.99976871	-0.99999730
0.99999678	0.99998858	1.00000000	0.99999849	0.99985828	-0.99999679
0.99999930	0.99999403	0.99999849	1.00000000	0.99983636	-0.99999931
0.99981585	0.99976871	0.99985828	0.99983636	1.00000000	-0.99981595
-1.00000000	-0.99999730	-0.99999679	-0.99999931	-0.99981595	1.00000000