Labels:text | screenshot OCR: DATA Average distance 5.91 billion km AXIAL TILT from Sun (3.67 billion miles) Diameter 2,290 km Perpendicular Axial tilt (1,423 miles) to orbital plane of 122.5º at equator Rotation period 6.39 Earth days Orbital period 248.54 Earth years Orbital velocity 4.74 km/s (2.94 mps) Surface 230 ℃ temperature (-380 ºF) Mass (Earth = 1) 0.01 Average density 2.03 Orbital Axis of (water = 1) plane rotation Surface gravity 0.04 (Earth = 1) Number of moons 1
