Home > Comparisons > Mercury vs Venus
Planetary & Lunar Worlds

Mercury vs Venus

Empirical head-to-head comparison table, delta analysis, and interactive formula calculators.

Mercury

Category Terrestrial Planet
Parent Body Sun
Radius km 2439.7
Oblateness 0
Sidereal Rotation h 1407.6
Axial Tilt deg 0.034
Surface Gravity m s2 3.7
Mean Distance AU 0.387
Atmospheric Composition Trace He, Na, O2
VS

Venus

Category Terrestrial Planet
Parent Body Sun
Radius km 6051.8
Oblateness 0
Sidereal Rotation h -5832.5
Axial Tilt deg 177.36
Surface Gravity m s2 8.87
Mean Distance AU 0.723
Atmospheric Composition 96.5% CO2, 3.5% N2

📊 Delta & Performance Analysis

Direct comparative ratio of core numeric metrics between Mercury (Cyan) and Venus (Gold).

Radius km: 2439.7 vs 6051.8 Δ -3612.1
Sidereal Rotation h: 1407.6 vs -5832.5 Δ +7240.1
Axial Tilt deg: 0.034 vs 177.36 Δ -177.33
Surface Gravity m s2: 3.7 vs 8.87 Δ -5.17
Mean Distance AU: 0.387 vs 0.723 Δ -0.34

Solve Live Formulas with Interactive Tools

Run real-time calculations using our laboratory instruments, programmatic REST API, or raw CSV/JSON datasets.

⚡ Launch Solar System Ephemeris Simulator 📥 Download Planetary & Lunar Worlds Explore All Comparisons

Frequently Asked Questions

What are the primary differences between Mercury and Venus?

Mercury and Venus represent distinct specifications within Planetary & Lunar Worlds. Reference the side-by-side data table above for exact empirical values.

Can I access this comparison data programmatically via API?

Yes. GemsMakers offers a high-speed, zero-authentication JSON REST API at https://gemsmakers.com/api/v1/calculate.php and downloadable datasets in both CSV and JSON formats under CC BY 4.0.