NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2021SR4 ∴ Orbital info ∴ Epoch 59486 MJD

2021SR4 ▹

ORBITAL INFORMATION

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(ASCII data file 2021SR4.eq0)

Keplerian elements
(Epoch 59486.9 MJD)
	Value	1-σ variation	Units
a	1.39115	0.006506	au
e	0.192931	0.002859
i	22.471	0.1801	deg
Ω	1.112	0.01155	deg
ω	28.883	0.2977	deg
M	344.851	0.2949	deg

Other useful info
Absolute Magnitude (H)	24.5	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.1228	au
Aphelion distance	1.6595	au
Asc. node-Earth separation	0.14266	au
Desc. node-Earth separation	0.61493	au
Earth MOID	0.14052	au
Orbital period	599.319	days
Date of orbit computation	feb 26 12:26

Covariance matrix
4.23316179E-05	1.85977567E-05	1.17190218E-03	7.48827863E-05	-1.86235937E-03	1.88787812E-03
1.85977567E-05	8.17486136E-06	5.14751245E-04	3.28370291E-05	-8.12884233E-04	8.25979061E-04
1.17190218E-03	5.14751245E-04	3.24458435E-02	2.07462566E-03	-5.16893201E-02	5.23489126E-02
7.48827863E-05	3.28370291E-05	2.07462566E-03	1.33372326E-04	-3.37205530E-03	3.38968461E-03
-1.86235937E-03	-8.12884233E-04	-5.16893201E-02	-3.37205530E-03	8.86438348E-02	-8.73889727E-02
1.88787812E-03	8.25979061E-04	5.23489126E-02	3.38968461E-03	-8.73889727E-02	8.69919135E-02

Correlation matrix
1.00000000	0.99974198	0.99995255	0.99659040	-0.96140591	0.98378926
0.99974198	1.00000000	0.99948820	0.99446797	-0.95491394	0.97946608
0.99995255	0.99948820	1.00000000	0.99730351	-0.96382240	0.98534584
0.99659040	0.99446797	0.99730351	1.00000000	-0.98070312	0.99514642
-0.96140591	-0.95491394	-0.96382240	-0.98070312	1.00000000	-0.99516003
0.98378926	0.97946608	0.98534584	0.99514642	-0.99516003	1.00000000