817 Annika

Tags: Planet.

817 Annika is a mid-sized Eunomian asteroid.

apoapsis (km)

4.566e+11

average speed (km/s)

66096.0

density (μ3)

2700.0

orbital period (μ)

1.31465e+08

periapsis (km)

3.179e+11

temperature (K)

169.0, 264.0

absolute magnitude

10.8

albedo

0.174

discovery date

1916-02-06

discoverer

Max Wolf

epoch

8 August 2005 (JD 2453600.5)

escape velocity (kmh)

46.8

former name

1916 YW

rotation period (s)

38016.0