NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 1998UM1 ∴ Orbital info ∴ Epoch 57357 MJD

1998UM1 ▹

ORBITAL INFORMATION

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(ASCII data file 1998UM1.eq0)

Keplerian elements
(Epoch 57357.4 MJD)
	Value	1-σ variation	Units
a	1.70144	1.158e-09	au
e	0.402202	4.637e-08
i	4.86	9.258e-06	deg
Ω	3.388	3.765e-05	deg
ω	1.094	3.424e-05	deg
M	264.246	7.073e-06	deg

Other useful info
Absolute Magnitude (H)	23.5	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.0171	au
Aphelion distance	2.3858	au
Asc. node-Earth separation	0.0152	au
Desc. node-Earth separation	1.38874	au
Earth MOID	0.01512	au
Orbital period	810.634	days
Date of orbit computation	feb 26 10:22

Covariance matrix
1.34142140E-18	3.85142615E-17	-7.84906003E-15	-2.90221152E-14	2.07522971E-14	-6.20840319E-16
3.85142615E-17	2.14988609E-15	-3.31050000E-13	-1.21257418E-12	6.36548521E-13	7.23344665E-14
-7.84906003E-15	-3.31050000E-13	8.57148279E-11	2.76170654E-10	-2.10181595E-10	3.54203951E-12
-2.90221152E-14	-1.21257418E-12	2.76170654E-10	1.41780364E-09	-1.09868799E-09	-1.93161993E-11
2.07522971E-14	6.36548521E-13	-2.10181595E-10	-1.09868799E-09	1.17262719E-09	-1.03341708E-10
-6.20840319E-16	7.23344665E-14	3.54203951E-12	-1.93161993E-11	-1.03341708E-10	5.00282455E-11

Correlation matrix
1.00000000	0.71718506	-0.73199322	-0.66548520	0.52324318	-0.07578612
0.71718506	1.00000000	-0.77118378	-0.69453246	0.40090716	0.22056161
-0.73199322	-0.77118378	1.00000000	0.79221216	-0.66295908	0.05409010
-0.66548520	-0.69453246	0.79221216	1.00000000	-0.85209174	-0.07252805
0.52324318	0.40090716	-0.66295908	-0.85209174	1.00000000	-0.42666598
-0.07578612	0.22056161	0.05409010	-0.07252805	-0.42666598	1.00000000