AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2001AD31 ∴ Orbital info ∴ Epoch epochXXX

(155847) 2001AD31 ▹

ORBITAL INFORMATION

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(ASCII data file 155847.eq0)

Keplerian elements at epoch
58210.3 MJD
	Value	1-σ variation	Units
a	3.10517	1.911e-08	au
e	0.24343	7.039e-08
i	11.919	5.895e-06	deg
Ω	289.42	2.925e-05	deg
ω	208.678	3.173e-05	deg
M	29.359	1.044e-05	deg

Other useful info
Absolute Magnitude (H)	15.5	mag
Slope parameter (G)	0.15	mag
Perihelion	2.3493	au
Aphelion	3.8611	au
Asc. node-Earth separation	2.69881	au
Desc. node-Earth separation	1.42447	au
Earth MOID	1.37142	au
Orbital period	1998.6	days
Date of orbit computation	apr 23 20:21

Correlation matrix
1.00000000	-0.11638218	0.04344310	-0.02540710	0.01173035	-0.04695580
-0.11638218	1.00000000	0.00708371	-0.00388705	0.17489070	-0.20480511
0.04344310	0.00708371	1.00000000	0.28840019	-0.25709871	-0.01254440
-0.02540710	-0.00388705	0.28840019	1.00000000	-0.90947717	0.01897657
0.01173035	0.17489070	-0.25709871	-0.90947717	1.00000000	-0.40121285
-0.04695580	-0.20480511	-0.01254440	0.01897657	-0.40121285	1.00000000

Covariance matrix
3.65009328E-16	-1.56504113E-16	4.89281049E-15	-1.41998141E-14	7.11097090E-15	-9.36634475E-15
-1.56504113E-16	4.95421221E-15	2.93922947E-15	-8.00356290E-15	3.90589026E-13	-1.50507119E-13
4.89281049E-15	2.93922947E-15	3.47513171E-11	4.97343793E-11	-4.80896437E-11	-7.72083846E-13
-1.41998141E-14	-8.00356290E-15	4.97343793E-11	8.55758162E-10	-8.44176677E-10	5.79591800E-12
7.11097090E-15	3.90589026E-13	-4.80896437E-11	-8.44176677E-10	1.00677413E-09	-1.32913720E-10
-9.36634475E-15	-1.50507119E-13	-7.72083846E-13	5.79591800E-12	-1.32913720E-10	1.09007883E-10