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.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	3.09405	1.896e-08	au
e	0.251783	7.024e-08
i	11.958	5.923e-06	deg
Ω	289.213	2.92e-05	deg
ω	209.268	3.134e-05	deg
M	64.375	1.067e-05	deg

Other useful info
Absolute Magnitude (H)	15.5	mag
Slope parameter (G)	0.15	mag
Perihelion	2.315	au
Aphelion	3.8731	au
Asc. node-Earth separation	2.69722	au
Desc. node-Earth separation	1.39316	au
Earth MOID	1.33749	au
Orbital period	1987.88	days
Date of orbit computation	Jun 5 01:10

Correlation matrix
1.00000000	-0.25493942	0.06215779	-0.03303514	0.05160007	-0.48813625
-0.25493942	1.00000000	-0.00025620	-0.01092349	0.15600846	-0.03701362
0.06215779	-0.00025620	1.00000000	0.29574997	-0.26850868	-0.01949246
-0.03303514	-0.01092349	0.29574997	1.00000000	-0.91874609	0.03457478
0.05160007	0.15600846	-0.26850868	-0.91874609	1.00000000	-0.35269103
-0.48813625	-0.03701362	-0.01949246	0.03457478	-0.35269103	1.00000000

Covariance matrix
3.59589209E-16	-3.39582181E-16	6.98140211E-15	-1.82948551E-14	3.06680693E-14	-9.87767967E-14
-3.39582181E-16	4.93411382E-15	-1.06594628E-16	-2.24086380E-14	3.43467422E-13	-2.77444834E-14
6.98140211E-15	-1.06594628E-16	3.50822534E-11	5.11585125E-11	-4.98465260E-11	-1.23202890E-12
-1.82948551E-14	-2.24086380E-14	5.11585125E-11	8.52901579E-10	-8.40964759E-10	1.07750534E-11
3.06680693E-14	3.43467422E-13	-4.98465260E-11	-8.40964759E-10	9.82348676E-10	-1.17960823E-10
-9.87767967E-14	-2.77444834E-14	-1.23202890E-12	1.07750534E-11	-1.17960823E-10	1.13873090E-10