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0.5 AU

5535 Annefrank

Asteroid

A small main-belt asteroid discovered in 1942 and named after Anne Frank, which was briefly photographed by NASA's Stardust spacecraft during a 2002 flyby.

Key Facts

orbital regime

Asteroid Belt

learn more

Wikipedia

mass

8.5605e+14 kg

radius

4.34 km

hill radius

1,622.907 km

semi-major axis

2.212 AU

eccentricity

0.063

inclination

4.247º

longitude of the ascending node

120.64º

argument of periapsis

9.135º

orbital period

3.291 years

discovery date

March 23, 1942

discovered by

Karl Wilhelm Reinmuth at Landessternwarte Heidelberg-Königstuhl

name origins

Named after Anne Frank, the famous Holocaust diarist

dimensions

4.8 km diameter

albedo

0.24
Spacecraft Visits
Stardust

Flyby

NASA

Launched in 1999, visited in 2002

Stardust conducted a brief flyby of the asteroid Annefrank on November 2, 2002, passing within 3,300 kilometers of its surface and capturing images that revealed its irregular, cratered shape measuring about 6.6 × 5.0 × 3.4 kilometers.

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