North Ecliptic Pole
E572582
The North Ecliptic Pole is the point in the sky where the Earth's axis of orbital motion around the Sun intersects the celestial sphere in the northern direction, lying perpendicular to the plane of the ecliptic.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical point
ⓘ
celestial pole ⓘ direction in space ⓘ |
| belongsTo | solar system reference frame ⓘ |
| coordinateSystem | ecliptic coordinate system ⓘ |
| declination_J2000 | +66.56 degrees ⓘ |
| hasAngularSeparationFromNorthCelestialPole | about 23.4 degrees ⓘ |
| hasCoordinateEpoch | J2000.0 ⓘ |
| hasEclipticLatitude | +90 degrees ⓘ |
| hasEclipticLongitude | undefined ⓘ |
| hasSymmetryWith | South Ecliptic Pole NERFINISHED ⓘ |
| isAffectedBy | precession of the equinoxes ⓘ |
| isApproximately |
90 degrees from the Sun's apparent path
ⓘ
90 degrees from the ecliptic on the celestial sphere ⓘ |
| isDefinedAs | northward normal to the ecliptic plane ⓘ |
| isDefinedBy | Earth's orbital motion around the Sun ⓘ |
| isDefinedIn | celestial coordinate systems ⓘ |
| isDefinedRelativeTo | Earth-Sun orbital plane ⓘ |
| isFixedRelativeTo | ecliptic plane ⓘ |
| isImportantFor | defining seasons on Earth ⓘ |
| isLessAffectedBy |
ecliptic plane dust
ⓘ
zodiacal light ⓘ |
| isLocatedIn | northern celestial hemisphere ⓘ |
| isNear |
constellation Cepheus
NERFINISHED
ⓘ
constellation Cygnus NERFINISHED ⓘ constellation Draco NERFINISHED ⓘ |
| isObservationRegionFor |
infrared sky surveys
ⓘ
microwave background observations ⓘ space telescope deep fields ⓘ |
| isOppositeOf | South Ecliptic Pole NERFINISHED ⓘ |
| isPerpendicularTo | ecliptic plane ⓘ |
| isReferenceFor |
ecliptic latitude measurements
ⓘ
orientation of asteroid orbits ⓘ orientation of comet orbits ⓘ orientation of planetary orbits ⓘ |
| isRelatedTo | obliquity of the ecliptic ⓘ |
| isUsedAs | survey field center in some sky surveys ⓘ |
| isUsedBy |
astrometry
ⓘ
celestial mechanics ⓘ space mission planning ⓘ |
| isUsedFor |
defining ecliptic coordinates
ⓘ
orienting space observatories ⓘ studying solar system dynamics ⓘ |
| isUsedIn |
cosmological surveys
ⓘ
solar system reference frames ⓘ |
| liesOn | celestial sphere ⓘ |
| rightAscension_J2000 | 18h ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.