WebVenus has an orbit with a semi-major axis of 0.723 au (108,200,000 km; 67,200,000 mi ), and an eccentricity of 0.007. [1] [2] The low eccentricity and comparatively small size of its orbit give Venus the least range in distance between perihelion and aphelion of the planets: 1.46 million km. The planet orbits the Sun once every 225 days [3] and ...

What Causes the Seasons? NASA Space Place – NASA …

WebWe're at the greatest distance (152.6 million km), or aphelion, in July. This year aphelion falls on Independence Day holiday in the U.S." Above: After sunset on the 4th of July, a … Weba) Assuming an average value for the solar constant of 1360 W m−2, approximate the solar constant at aphelion (January) and at perihelion (July). b) Assuming a planetary albedo of 0.33 , what is the annual variation; Question: The distance between the sun and the Earth varies during the year. It is at a minimum in January and about 3.3% ... truman defeats dewey for president

Planetary Fact Sheet Notes - NASA

WebJan 21, 2024 · Half a year after perihelion, Earth reaches its farthest distance from the star, which is called aphelion. At that moment, the planet is approximately 94.5 million miles (152.1 million km)... WebSep 16, 2024 · Halley's backward, or retrograde, motion is unusual among short-period comets, as its greatest distance from the Sun (aphelion) is beyond the orbit of Neptune. Halley's orbit period is, on average, 76 … WebJan 3, 2024 · At perihelion, Earth is about 91.6 million miles (147.5 million kilometers) from the sun, compared to about 94.5 million miles (152.1 million km) when it's at aphelion, its farthest distance from ... philippine airways flight status