AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1987YR1 ∴ Orbital info ∴ Epoch epochXXX

(19128) 1987YR1 ▹

ORBITAL INFORMATION

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(ASCII data file 19128.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.71833	1.293e-08	au
e	0.18541	3.326e-08
i	13.914	5.48e-06	deg
Ω	226.324	1.762e-05	deg
ω	245.427	2.372e-05	deg
M	19.501	1.55e-05	deg

Other useful info
Absolute Magnitude (H)	14.5	mag
Slope parameter (G)	0.15	mag
Perihelion	2.2143	au
Aphelion	3.2223	au
Asc. node-Earth separation	1.8352	au
Desc. node-Earth separation	1.44705	au
Earth MOID	1.27109	au
Orbital period	1637.01	days
Date of orbit computation	apr 23 19:50

Correlation matrix
1.00000000	0.07568649	-0.01165734	0.00579439	-0.06103217	-0.16151816
0.07568649	1.00000000	0.00717610	0.00378772	0.05683115	-0.08326787
-0.01165734	0.00717610	1.00000000	-0.33919499	0.25024609	-0.01012661
0.00579439	0.00378772	-0.33919499	1.00000000	-0.72360168	0.00452816
-0.06103217	0.05683115	0.25024609	-0.72360168	1.00000000	-0.65886446
-0.16151816	-0.08326787	-0.01012661	0.00452816	-0.65886446	1.00000000

Covariance matrix
1.67106406E-16	3.25447482E-17	-8.25832169E-16	1.31945088E-15	-1.87126913E-14	-3.23726517E-14
3.25447482E-17	1.10645065E-15	1.30812730E-15	2.21939048E-15	4.48366690E-14	-4.29441361E-14
-8.25832169E-16	1.30812730E-15	3.00325008E-11	-3.27442093E-11	3.25269948E-11	-8.60439447E-13
1.31945088E-15	2.21939048E-15	-3.27442093E-11	3.10297767E-10	-3.02322018E-10	1.23672030E-12
-1.87126913E-14	4.48366690E-14	3.25269948E-11	-3.02322018E-10	5.62550833E-10	-2.42291035E-10
-3.23726517E-14	-4.29441361E-14	-8.60439447E-13	1.23672030E-12	-2.42291035E-10	2.40392413E-10