Comet observations table

COMET OBSERVATIONS

Comet/Object	Begin		End		Observer	Observatory	Configuration

A/2021 E4

Orbital period : 19217.00 years

NASA/JPL elements
IAU/MPC elements

Magnitude and Afrho plots

Num	Date [TU]	Julian day -2400000	Comet/Object Name	r (/Sun) [AU]	d (/Earth) [AU]	Pict	Spec	Coma Total mag (m1)	Nuclear mag (m2)	Coma diameter [']	Coma conden sation	Tail length [°]	Tail position angle [°]	Afrho [cm]	Instr diameter [mm]	Instr	m1 aperture radius [']	m2 aperture radius ["]	Obs MPC code	Who

25188	2022 02 28.9	59640.49839	A/2021 E4	4.697	3.946	Pict	-	-	20.5	-	-	-	-	-	400	L	-	5.8	A77	fkugel
24913	2022 01 27.1	59607.69301	A/2021 E4	4.728	4.031	Pict	-	-	21.2	-	-	-	-	-	400	L	-	5.8	A77	fkugel