Discovery, Observational Data and the Orbit of the Transneptunian Object (420356) Praamžius

Abstract: A project for astrometric and photometric observations of asteroids with the VATT telescope on Mt. Graham is described. One of the most important results is the discovery of the Transneptunian object (420356) Praamžius. We computed its orbit applying 198 optical observations from 2003 February 1 to 2016 January 30. We also followed its orbit searching for minimal distances to Neptune between the years 17 000 and −13 000. Combined with the apparent brightness, the orbit gives the absolute magnitude MR = 5.59 ± 0.37 mag. Using a typical albedo value of 0.08 for Centaurs and TNOs, we get a diameter of (420356) Praamžius in the range 302–425 km.

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch

Bibliographic citation
Discovery, Observational Data and the Orbit of the Transneptunian Object (420356) Praamžius ; volume:25 ; number:2 ; year:2016 ; pages:189-194 ; extent:6
Open astronomy ; 25, Heft 2 (2016), 189-194 (gesamt 6)

Creator
Černis, K.
Boyle, R. P.
Wlodarczyk, I.

DOI
10.1515/astro-2017-0121
URN
urn:nbn:de:101:1-2405271702326.726771230523
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
14.08.2025, 10:58 AM CEST

Data provider

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Associated

  • Černis, K.
  • Boyle, R. P.
  • Wlodarczyk, I.

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