The angle between the orbital plane of a planetary body and the plane of its reference, often the equatorial plane of another body.

कक्षीय झुकाव

English Usage: The inclination of an orbit determines the tilt of the celestial body's path in the sky.

Hindi Usage: किसी ग्रह की कक्षा का झुकाव उसके मार्ग की दिशा निर्धारित करता है।