2253 Espinette
asteroid
2253 Espinette, provisional designation 1932 PB, is a stony asteroid and sizable Mars-crosser from the innermost regions of the asteroid belt, approximately 7 kilometers in diameter. Discovered by George Van Biesbroeck in 1932, the asteroid was named after the discoverer's residence "Espinette".
Discovery
Espinette was discovered on 30 July 1932, by Belgian–American astronomer George Van Biesbroeck at the U.S. Yerkes Observatory, Wisconsin. The body was independently discovered on the following night by English-born South-African astronomer Cyril Jackson at Johannesburg, and by Soviet–Russian astronomer Grigory Neujmin at Simeiz Observatory on the Crimean peninsula, on August 4. No precoveries were taken. The asteroid's observation arc begins a few days after its official discovering observation.
Orbit and classification
The asteroid orbits the Sun in the inner main-belt at a distance of 1.6–2.9 AU once every 3 years and 5 months (1,260 days). Its orbit has an eccentricity of 0.28 and an inclination of 4° with respect to the ecliptic.
Physical characteristics
In the SMASS taxonomic scheme, Espinette is classified as a Sl-subtype, which transitions from the common S-type asteroids to the much redder L-type asteroids.
Rotation period
Several rotational lightcurves of Espinette have been obtained.
“2253 Espinette” enters the record as asteroid. Crown Archives preserves that source wording while asking what Espinette 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 Q148447. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1932.
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This entry incorporates text from “2253 Espinette” 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.