NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 1989VA ∴ Orbital info ∴ Epoch 57782 MJD

(99907) 1989VA ▹

ORBITAL INFORMATION

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(ASCII data file 99907.eq0)

Keplerian elements
(Epoch 57782.0 MJD)
	Value	1-σ variation	Units
a	0.728418	1.099e-09	au
e	0.594709	5.676e-08
i	28.8	7.441e-06	deg
Ω	225.602	3.448e-06	deg
ω	2.844	7.391e-06	deg
M	93.737	1.733e-05	deg

Non-gravitational parameters
	Value	1-σ variation	Units
A₁	N/A	N/A	au/day²
A₂	1.641e-14	1.835e-15	au/day²

Other useful info
Absolute Magnitude (H)	17.9	mag
Slope parameter (G)	0.15	mag
Perihelion distance	0.2952	au
Aphelion distance	1.1616	au
Asc. node-Earth separation	-0.71434	au
Desc. node-Earth separation	0.1679	au
Earth MOID	0.15416	au
Orbital period	227.075	days
Date of orbit computation	feb 26 13:09

Covariance matrix
1.20833739E-18	-4.44223580E-17	-1.13994072E-15	8.68710921E-16	-3.64108644E-15	1.09648585E-14	1.78368673E-14
-4.44223580E-17	3.22213775E-15	7.67319466E-14	-5.76306634E-14	2.27710220E-13	-5.50288997E-13	7.38244021E-13
-1.13994072E-15	7.67319466E-14	5.53748956E-11	-4.57039082E-13	1.05679698E-11	-3.24718836E-11	3.42049629E-12
8.68710921E-16	-5.76306634E-14	-4.57039082E-13	1.18885319E-11	-1.62645278E-11	1.71828081E-11	3.34892365E-12
-3.64108644E-15	2.27710220E-13	1.05679698E-11	-1.62645278E-11	5.46313178E-11	-1.11604414E-10	8.01718409E-12
1.09648585E-14	-5.50288997E-13	-3.24718836E-11	1.71828081E-11	-1.11604414E-10	3.00491476E-10	1.47794773E-10
1.78368673E-14	7.38244021E-13	3.42049629E-12	3.34892365E-12	8.01718409E-12	1.47794773E-10	3.36901696E-10

Correlation matrix
1.00000000	-0.71192698	-0.13935793	0.22920129	-0.44814241	0.57543046	0.88404196
-0.71192698	1.00000000	0.18165515	-0.29445400	0.54273726	-0.55924576	0.70855944
-0.13935793	0.18165515	1.00000000	-0.01781282	0.19213844	-0.25172998	0.02504270
0.22920129	-0.29445400	-0.01781282	1.00000000	-0.63819957	0.28748418	0.05291631
-0.44814241	0.54273726	0.19213844	-0.63819957	1.00000000	-0.87105274	0.05909482
0.57543046	-0.55924576	-0.25172998	0.28748418	-0.87105274	1.00000000	0.46450608
0.88404196	0.70855944	0.02504270	0.05291631	0.05909482	0.46450608	1.00000000