Property talk:P2956

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NAIF ID
integer code assigned by NASA's Navigation and Ancillary Information Facility to solar system objects, reference frames, and instruments that it tracks

Description	The integer code assigned by NASA's Navigation and Ancillary Information Facility to solar system objects, reference frames, and instruments that it tracks.
Data type	External identifier
Domain	All items for which an w:ephemeris can be calculated, including but not limited to astronomical object (Q6999) (note: this should be moved to the property statements)
Allowed values	According to this template: ^-?(0|[1-9][0-9]*)$ (all integers, negative and positive) According to statements in the property: ^-?(0|[1-9][0-9]*)$ When possible, data should only be stored as statements
Allowed units	None (note: this should be moved to the property statements)
Example	Mars (Q111) → 499 Earth-Moon barycenter (Q1349030) → 3 Stardust (Q205747) → -29 Goldstone Deep Space Communications Complex (Q618630) → 399001
Source	https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/req/naif_ids.html
Robot and gadget jobs	According to the specification linked above, for asteroids (and comets?), the NAIF ID can be used as the input variable to the JPL Small-Body Database Browser. That variable, in turn, is also the input variable of the formatter URL of JPL Small-Body Database SPK-ID (P716). TLDR: NAIF ID equals JPL Small-Body Database SPK-ID (P716) for asteroids and comets.
See also	JPL Small-Body Database SPK-ID (P716), COSPAR ID (P247), SCN (P377)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other external identifier Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Constraint violations/P2956 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 460 Main statement 456 99.1% of uses Qualifier 4 0.9% of uses
Search for values

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Distinct values: this property likely contains a value that is different from all other items. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2956#Unique value, SPARQL (every item), SPARQL (by value)

Single value: this property generally contains a single value. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2956#Single value, SPARQL

Format “^-?(0|[1-9][0-9]*)$”: value must be formatted using this pattern (PCRE syntax). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2956#Format, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2956#Entity types