AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ Robertspira ∴ Orbital info ∴ Epoch epochXXX

(30157) Robertspira ▹

ORBITAL INFORMATION

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(ASCII data file 30157.eq0)

Keplerian elements at epoch
57332.5 MJD
	Value	1-σ variation	Units
a	2.45907	7.524e-09	au
e	0.189299	4.664e-08
i	2.779	4.792e-06	deg
Ω	164.198	7.11e-05	deg
ω	162.793	7.208e-05	deg
M	271.652	9.626e-06	deg

Other useful info
Absolute Magnitude (H)	15.8	mag
Slope parameter (G)	0.15	mag
Perihelion	1.9936	au
Aphelion	2.9246	au
Asc. node-Earth separation	1.90181	au
Desc. node-Earth separation	1.00002	au
Earth MOID	0.98166	au
Orbital period	1408.5	days
Date of orbit computation	apr 23 19:52

Correlation matrix
1.00000000	-0.34285489	0.00140905	0.00923661	-0.06454613	0.37340943
-0.34285489	1.00000000	-0.01345465	0.00566208	0.01841212	-0.16170887
0.00140905	-0.01345465	1.00000000	-0.13131309	0.13003737	-0.00382086
0.00923661	0.00566208	-0.13131309	1.00000000	-0.98754964	0.01215552
-0.06454613	0.01841212	0.13003737	-0.98754964	1.00000000	-0.16387753
0.37340943	-0.16170887	-0.00382086	0.01215552	-0.16387753	1.00000000

Covariance matrix
5.66056994E-17	-1.20309891E-16	5.08056298E-17	4.94069008E-15	-3.50057211E-14	2.70441138E-14
-1.20309891E-16	2.17531332E-15	-3.00738400E-15	1.87750963E-14	6.19018411E-14	-7.26025931E-14
5.08056298E-17	-3.00738400E-15	2.29673472E-11	-4.47412839E-11	4.49223385E-11	-1.76268284E-13
4.94069008E-15	1.87750963E-14	-4.47412839E-11	5.05463747E-09	-5.06107428E-09	8.31909172E-12
-3.50057211E-14	6.19018411E-14	4.49223385E-11	-5.06107428E-09	5.19610051E-09	-1.13714428E-10
2.70441138E-14	-7.26025931E-14	-1.76268284E-13	8.31909172E-12	-1.13714428E-10	9.26647971E-11