Kepler Third Law کا حساب کیسے لگائیں
Kepler Third Law کیا ہے؟
Kepler's third law relates orbital period to orbital distance. It explains why planets farther from the Sun take longer to orbit.
فارمولا
The calculator applies T² = (4π² / GM) × a³
- GM
- GM value — Variable used in the calculation
مرحلہ وار گائیڈ
- 1Enter orbital period and distance, or the central body's mass
- 2The calculator applies T² = (4π² / GM) × a³
- 3Results show orbital relationship
حل شدہ مثالیں
ان پٹ
a = 1 AU (Earth orbit), M = 1.989 × 10³⁰ kg (Sun)
نتیجہ
T ≈ 1 year
By definition
عام غلطیاں جن سے بچنا ہے
- ✕Using incorrect AU values or unit conversions
- ✕Confusing period with frequency
اکثر پوچھے جانے والے سوالات
Does Kepler's law apply to all objects?
Yes, it applies to any orbit around a massive central body, from planets around stars to satellites around planets.
Why is period proportional to distance to the 3/2 power?
Gravity weakens with distance, requiring slower speeds at greater distances, which more than compensates for longer path length.
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