Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:standard
|
| gptkbp:abbreviation |
gptkb:TT
|
| gptkbp:category |
Astronomy
Timekeeping |
| gptkbp:definedIn |
gptkb:International_Astronomical_Union_(IAU)
|
| gptkbp:definitionYear |
1991
|
| https://www.w3.org/2000/01/rdf-schema#label |
Terrestrial Time (TT)
|
| gptkbp:offsetFromTAI |
+32.184 seconds
|
| gptkbp:predecessor |
gptkb:Terrestrial_Dynamical_Time_(TDT)
|
| gptkbp:referenceSurface |
geoid
|
| gptkbp:relatedTo |
gptkb:International_Atomic_Time_(TAI)
|
| gptkbp:replacedBy |
gptkb:Ephemeris_Time_(ET)
|
| gptkbp:SISecond |
used as base unit
|
| gptkbp:successor |
gptkb:Geocentric_Coordinate_Time_(TCG)
|
| gptkbp:usedFor |
astronomical calculations
|
| gptkbp:usedIn |
ephemerides
|
| gptkbp:bfsParent |
gptkb:International_Atomic_Time_(TAI)
|
| gptkbp:bfsLayer |
6
|