NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2021AS4 ∴ Orbital info ∴ Epoch 60400 MJD

2021AS4 ▹

ORBITAL INFORMATION

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(ASCII data file 2021AS4.eq1)

Keplerian elements
(Epoch 60400.0 MJD)
	Value	1-σ variation	Units
a	2.60658	0.01999	au
e	0.604495	0.002959
i	3.691	0.01209	deg
Ω	270.368	0.025	deg
ω	172.928	0.009206	deg
M	279.707	3.223	deg

Other useful info
Absolute Magnitude (H)	24.3	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.0309	au
Aphelion distance	4.1822	au
Asc. node-Earth separation	3.11697	au
Desc. node-Earth separation	0.05096	au
Earth MOID	0.04805	au
Orbital period	1537.11	days
Date of orbit computation	feb 26 12:10

Covariance matrix
3.99494151E-04	5.91414838E-05	2.41633483E-04	-4.99140467E-04	1.59806320E-04	-6.44276990E-02
5.91414838E-05	8.75536781E-06	3.57725923E-05	-7.38905192E-05	2.36451769E-05	-9.53793432E-03
2.41633483E-04	3.57725923E-05	1.46276318E-04	-3.01537414E-04	9.50725154E-05	-3.89687794E-02
-4.99140467E-04	-7.38905192E-05	-3.01537414E-04	6.24761452E-04	-2.04231115E-04	8.04986145E-02
1.59806320E-04	2.36451769E-05	9.50725154E-05	-2.04231115E-04	8.47586025E-05	-2.57754780E-02
-6.44276990E-02	-9.53793432E-03	-3.89687794E-02	8.04986145E-02	-2.57754780E-02	1.03904614E+01

Correlation matrix
1.00000000	0.99999955	0.99957386	-0.99910344	0.86845405	-0.99999998
0.99999955	1.00000000	0.99959990	-0.99906653	0.86798751	-0.99999934
0.99957386	0.99959990	1.00000000	-0.99746366	0.85383918	-0.99956807
-0.99910344	-0.99906653	-0.99746366	1.00000000	-0.88750928	0.99911131
0.86845405	0.86798751	0.85383918	-0.88750928	1.00000000	-0.86855518
-0.99999998	-0.99999934	-0.99956807	0.99911131	-0.86855518	1.00000000