A scientist wants to predict the next time there three comets will be at perihelion, the point in an object's orbit at which it is closest to the sun. Write one letter in each box to correctly complete the table. A. 2020
B. 2022
C. 2033
D. 2039

Comet name:
Encke
Wild 2
Crommelin

Semimajor axis of orbit (AU):
2.21
3.44
9.2

Last reached perihelion:
Mar-17
Jul-18
Aug-11

Next time it will reach perihelion:
(A, B, C, or D)
(A, B, C, or D)
(A, B, C, or D)