# What's the highest heliocentric inclination achieved by a deep space probe, without using the outer planets?

Wikipedia and this answer explain that it will take several flyby's of Venus for ESA's Solar Orbiter to reach 34° of inclination.

Question: Currently, what's the highest heliocentric inclination achieved by a deep space probe, without using the outer planets (i.e. Jupiter and beyond)? Will Solar orbiter set a new record?

Note that by using Jupiter Ulysses achieved a heliocentric inclination of over 79°!

• – uhoh Feb 8 at 6:54

## 1 Answer

Some candidates:

• The Deep Impact spacecraft's impactor, matching Tempel 1's inclination of 10.47 degrees upon collision.

• The Dawn spacecraft, matching Ceres' inclination of 10.59 degrees.

• The NEAR Shoemaker spacecraft, matching 433 Eros' inclination of 10.83 degrees upon landing.

Solar Orbiter is currently beating all of them, at ~14 degrees.