NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 1987QB ∴ Orbital info ∴ Epoch 57200 MJD

(26817) 1987QB ▹

ORBITAL INFORMATION

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(ASCII data file 26817.eq0)

Keplerian elements
(Epoch 57200.2 MJD)
	Value	1-σ variation	Units
a	2.8027	4.287e-08	au
e	0.594014	4.296e-08
i	3.496	7.206e-06	deg
Ω	153.22	0.000135	deg
ω	156.542	0.0001376	deg
M	342.595	2.887e-05	deg

Other useful info
Absolute Magnitude (H)	19.0	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.1379	au
Aphelion distance	4.4675	au
Asc. node-Earth separation	2.9964	au
Desc. node-Earth separation	0.16405	au
Earth MOID	0.126	au
Orbital period	1713.81	days
Date of orbit computation	feb 26 13:30

Covariance matrix
1.83776037E-15	9.43337153E-16	2.58793753E-14	6.46062094E-13	1.36507869E-12	-1.23422463E-12
9.43337153E-16	1.84539700E-15	1.11525366E-14	4.46499609E-13	5.87613443E-13	-6.27376438E-13
2.58793753E-14	1.11525366E-14	5.19325477E-11	2.51836484E-10	-2.21118943E-10	-1.82011500E-11
6.46062094E-13	4.46499609E-13	2.51836484E-10	1.82140671E-08	-1.74398718E-08	-4.34579794E-10
1.36507869E-12	5.87613443E-13	-2.21118943E-10	-1.74398718E-08	1.89239016E-08	-9.22527001E-10
-1.23422463E-12	-6.27376438E-13	-1.82011500E-11	-4.34579794E-10	-9.22527001E-10	8.33685638E-10

Correlation matrix
1.00000000	0.51224484	0.08377020	0.11166739	0.23147703	-0.99712271
0.51224484	1.00000000	0.03602541	0.07701454	0.09943550	-0.50580386
0.08377020	0.03602541	1.00000000	0.25893775	-0.22304926	-0.08747377
0.11166739	0.07701454	0.25893775	1.00000000	-0.93936523	-0.11152312
0.23147703	0.09943550	-0.22304926	-0.93936523	1.00000000	-0.23225902
-0.99712271	-0.50580386	-0.08747377	-0.11152312	-0.23225902	1.00000000