1002 Olbersia
main-belt asteroid
1002 Olbersia (prov. designation: A923 PJ or 1923 OB) is a background asteroid from the central regions of the asteroid belt. It was discovered on 15 August 1923, by Russian astronomer Vladimir Albitsky at the Simeiz Observatory on the Crimean peninsula. The assumed C-type asteroid has a rotation period of 10.2 hours and measures approximately 24 kilometers (15 miles) in diameter. It was named after German astronomer Heinrich Olbers (1758–1840).
Orbit and classification
Olbersia is a non-family asteroid from the main belt's background population. It orbits the Sun in the central asteroid belt at a distance of 2.4–3.2 AU once every 4 years and 8 months (1,699 days; semi-major axis of 2.79 AU). Its orbit has an eccentricity of 0.15 and an inclination of 11° with respect to the ecliptic. The asteroid's observation arc begins at Uccle Observatory in 1935, twelve years after its official discovery observation at Simeiz.
Naming
Honoring Olbers
This minor planet was named after Heinrich Olbers (1758–1840), a physician and amateur astronomer from Bremen in northern Germany.
“1002 Olbersia” enters the record as main-belt asteroid. Crown Archives preserves that source wording while asking what Olbersia, main-belt and asteroid can confirm, complicate or overturn.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Sep 5, 2026. The linked authority identifier is Q11527. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1002, 1923, 1758 and 1840.
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This entry incorporates text from “1002 Olbersia” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.