NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2011SA121 ∴ Orbital info ∴ Epoch 55832 MJD

2011SA121 ▹

ORBITAL INFORMATION

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(ASCII data file 2011SA121.eq0)

Keplerian elements
(Epoch 55832.1 MJD)
	Value	1-σ variation	Units
a	1.4409	0.004689	au
e	0.28135	0.002184
i	21.752	0.09531	deg
Ω	187.903	0.008216	deg
ω	147.444	0.05318	deg
M	16.988	0.1204	deg

Other useful info
Absolute Magnitude (H)	24.9	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.0355	au
Aphelion distance	1.8463	au
Asc. node-Earth separation	0.7392	au
Desc. node-Earth separation	0.07127	au
Earth MOID	0.06693	au
Orbital period	631.756	days
Date of orbit computation	feb 26 10:49

Covariance matrix
2.19913094E-05	1.02398032E-05	4.46874412E-04	3.85253869E-05	2.48577191E-04	-5.64479949E-04
1.02398032E-05	4.76806177E-06	2.08058929E-04	1.79373082E-05	1.15701699E-04	-2.62818196E-04
4.46874412E-04	2.08058929E-04	9.08440292E-03	7.83092876E-04	5.05849824E-03	-1.14739056E-02
3.85253869E-05	1.79373082E-05	7.83092876E-04	6.75072805E-05	4.35941807E-04	-9.89101721E-04
2.48577191E-04	1.15701699E-04	5.05849824E-03	4.35941807E-04	2.82778489E-03	-6.38910063E-03
-5.64479949E-04	-2.62818196E-04	-1.14739056E-02	-9.89101721E-04	-6.38910063E-03	1.44933086E-02

Correlation matrix
1.00000000	0.99998878	0.99979682	0.99987603	0.99681037	-0.99986003
0.99998878	1.00000000	0.99969433	0.99979515	0.99642729	-0.99977143
0.99979682	0.99969433	1.00000000	0.99997645	0.99804523	-0.99995236
0.99987603	0.99979515	0.99997645	1.00000000	0.99776905	-0.99995828
0.99681037	0.99642729	0.99804523	0.99776905	1.00000000	-0.99800513
-0.99986003	-0.99977143	-0.99995236	-0.99995828	-0.99800513	1.00000000