Wikidata:Property proposal/période sidérale

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sidereal period

[edit]

Originally proposed at Wikidata:Property proposal/Space

   Not done
DescriptionTranslated definition from the Wikipedia in French: "Time that elapses between two passes of the object in front of a distant star. It is the "absolute" period in the Newtonian sense of the term."
Representssidereal period (Q12874157)
Data typePoint in time
Template parameter« période de révolution » within fr:Modèle:Infobox Planète (sidereal period is the most often used type of period of revolution, which is a blanket term for a lot of different period types)
Domaincelestial objects orbiting about another one (usually a star, a planet or a moon)
Allowed valuesnumbers
Allowed unitshours, days, years
ExampleSaturn (Q193) → 10757.7365 days
Format and edit filter validation"month" and "century" can't be used
Planned useThis property is going to be used inside fr:Modèle:Infobox Astre ("astre" means "celestial body" in French", the planned replacement for fr:Modèle:Infobox Planète, fr:Modèle:Infobox Exoplanète, and other infobox models related to celestial bodies. The creation of this new infobox is coordinated on the local Astronomy wikiproject.
Motivation

We're creating for fr:Projet:Astronomy a replacement in Lua for the bunch of infoboxes that already existed on the Wikipedia in French about celestial bodies and that are hard to maintain and not linked to Wikidata. We already successfully created last year a replacement for our former planetary geography infobox like this, but the Wikidata properties were already available back then. J. N. Squire (talk) 11:45, 5 September 2017 (UTC)[reply]

Discussion

 Comment isn't this just a special case of orbital period (P2146)? If it's not the standard definition for orbital period it could be identified with a qualifier, for example determination method (P459) sidereal period (Q12874157). ArthurPSmith (talk) 19:28, 5 September 2017 (UTC)[reply]

@J. N. Squire: can you respond? Is this really distinct from orbital period (P2146)? ArthurPSmith (talk) 17:52, 12 September 2017 (UTC)[reply]
@ArthurPSmith: Sorry, I missed that update. ^^; As for your question, yes, it's one type of orbital period (P2146). Same thing with Wikidata:Property proposal/période synodique, actually. Does it mean a new property isn't needed for this? Because it means I could improve the infobox Lua module immediately then, which would be a good thing. ^^ J. N. Squire (talk) 20:12, 12 September 2017 (UTC)[reply]
why don't you try making it work with the existing property and then see if something new is really needed? I think at least this one is really exactly the same as the default meaning of orbital period (P2146) so I'm pretty sure this one isn't needed. Don't know about synodic period. ArthurPSmith (talk) 19:24, 13 September 2017 (UTC)[reply]
 Not done duplicate of orbital period (P2146) --Pasleim (talk) 16:53, 25 September 2017 (UTC)[reply]