NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2021UA4 ∴ Orbital info ∴ Epoch 59521 MJD

2021UA4 ▹

ORBITAL INFORMATION

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(ASCII data file 2021UA4.eq0)

Keplerian elements
(Epoch 59521.1 MJD)
	Value	1-σ variation	Units
a	1.53488	0.000414	au
e	0.188105	7.333e-05
i	21.748	0.01299	deg
Ω	206.752	0.003174	deg
ω	251.75	0.02969	deg
M	318.933	0.02722	deg

Other useful info
Absolute Magnitude (H)	22.4	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.2462	au
Aphelion distance	1.8236	au
Asc. node-Earth separation	0.56785	au
Desc. node-Earth separation	0.40238	au
Earth MOID	0.36539	au
Orbital period	694.558	days
Date of orbit computation	feb 26 12:28

Covariance matrix
1.71419239E-07	3.02641163E-08	5.37768419E-06	1.31268847E-06	-1.22706142E-05	1.12667675E-05
3.02641163E-08	5.37692720E-09	9.47717949E-07	2.30976819E-07	-2.15704122E-06	1.98518820E-06
5.37768419E-06	9.47717949E-07	1.68812771E-04	4.12268039E-05	-3.85359655E-04	3.53603903E-04
1.31268847E-06	2.30976819E-07	4.12268039E-05	1.00733766E-05	-9.41723595E-05	8.63607779E-05
-1.22706142E-05	-2.15704122E-06	-3.85359655E-04	-9.41723595E-05	8.81270280E-04	-8.07860038E-04
1.12667675E-05	1.98518820E-06	3.53603903E-04	8.63607779E-05	-8.07860038E-04	7.41198902E-04

Correlation matrix
1.00000000	0.99685304	0.99968428	0.99895139	-0.99834801	0.99954458
0.99685304	1.00000000	0.99473953	0.99246176	-0.99091592	0.99441399
0.99968428	0.99473953	1.00000000	0.99974556	-0.99910017	0.99964781
0.99895139	0.99246176	0.99974556	1.00000000	-0.99949668	0.99945128
-0.99834801	-0.99091592	-0.99910017	-0.99949668	1.00000000	-0.99957222
0.99954458	0.99441399	0.99964781	0.99945128	-0.99957222	1.00000000