Contents
- 1 How is latitude and longitude calculated?
- 2 What is the distance of 1 degree latitude in Kilometre?
- 3 What is the distance between 1 degree longitude?
- 4 How to calculate the distance between two points with latitude and longitude?
- 5 How tall is the atmosphere from the surface to 100 km?
- 6 How is the density of the atmosphere calculated?
How is latitude and longitude calculated?
One of the most common ways to calculate distances using latitude and longitude is the haversine formula, which is used to measure distances on a sphere. This method uses spherical triangles and measures the sides and angles of each to calculate the distance between points.
What is the distance of 1 degree latitude in Kilometre?
111 km
Approximate Metric Equivalents for Degrees. At the equator for longitude and for latitude anywhere, the following approximations are valid: 1° = 111 km (or 60 nautical miles) 0.1° = 11.1 km.
How many km is a degree of latitude?
110 kilometers
Lines of latitude are called parallels and in total there are 180 degrees of latitude. The distance between each degree of latitude is about 69 miles (110 kilometers).
What is the distance between 1 degree longitude?
A degree of longitude is widest at the equator with a distance of 69.172 miles (111.321 kilometers). The distance gradually shrinks to zero as they meet at the poles. At 40 degrees north or south, the distance between a degree of longitude is 53 miles (85 kilometers).
How to calculate the distance between two points with latitude and longitude?
Be Prepared! Enter latitude and longitude of two points, select the desired units: nautical miles (n mi), statute miles (sm), or kilometers (km) and click Compute.
Which is the best approximation of the atmosphere?
The graph at the left shows the temperature variation with height that is used in the US Standard Atmosphere model. It is a mean of mostly mid-latitude conditions in the northern hemisphere. Some is derived from extensive data (eg below 20 km).
How tall is the atmosphere from the surface to 100 km?
From the surface to 100 km altitude H varies between about 5.5 and 8.0 km , rising and falling along with the temperature. Despite the changing scale height, a simple isothermal model with a fixed scale height can represent the atmosphere up to 100 km with an error less than 50%, and up to 130 km with an error no larger than a factor of 2.
How is the density of the atmosphere calculated?
Linear interpolation can be used to calculate the values intermediate between the specified points at the 10 km intervals. The actual density can then be calculated by raising the interpolated log values as a power of ten. That is, ρ = 10logval.