NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2021GR4 ∴ Orbital info ∴ Epoch 59312 MJD

2021GR4 ▹

ORBITAL INFORMATION

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(ASCII data file 2021GR4.eq0)

Keplerian elements
(Epoch 59312.4 MJD)
	Value	1-σ variation	Units
a	1.4244	0.004159	au
e	0.409407	0.001946
i	19.184	0.0609	deg
Ω	25.33	0.005905	deg
ω	241.305	0.05119	deg
M	330.622	0.1775	deg

Other useful info
Absolute Magnitude (H)	25.0	mag
Slope parameter (G)	0.15	mag
Perihelion distance	0.8412	au
Aphelion distance	2.0076	au
Asc. node-Earth separation	0.47837	au
Desc. node-Earth separation	-0.01248	au
Earth MOID	0.00898	au
Orbital period	620.934	days
Date of orbit computation	feb 26 12:26

Covariance matrix
1.72990332E-05	8.09196504E-06	2.53180131E-04	2.44956969E-05	-2.12263002E-04	7.38293225E-04
8.09196504E-06	3.78539712E-06	1.18458626E-04	1.14521650E-05	-9.92313316E-05	3.45338502E-04
2.53180131E-04	1.18458626E-04	3.70917839E-03	3.57691358E-04	-3.09891936E-03	1.08036394E-02
2.44956969E-05	1.14521650E-05	3.57691358E-04	3.48654462E-05	-3.02223706E-04	1.04579193E-03
-2.12263002E-04	-9.92313316E-05	-3.09891936E-03	-3.02223706E-04	2.62025300E-03	-9.06243216E-03
7.38293225E-04	3.45338502E-04	1.08036394E-02	1.04579193E-03	-9.06243216E-03	3.15098342E-02

Correlation matrix
1.00000000	0.99997089	0.99949320	0.99742734	-0.99699223	0.99998827
0.99997089	1.00000000	0.99970556	0.99686020	-0.99637193	0.99992222
0.99949320	0.99970556	1.00000000	0.99465386	-0.99403071	0.99932824
0.99742734	0.99686020	0.99465386	1.00000000	-0.99990629	0.99775661
-0.99699223	-0.99637193	-0.99403071	-0.99990629	1.00000000	-0.99735575
0.99998827	0.99992222	0.99932824	0.99775661	-0.99735575	1.00000000