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Infinitely many. The trajectory of a typical space mission may be adjusted several hundred times and all these changes need to be accommodated in the set of points.
Pierce Farrell
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How many points are needed to determine a trajectory line?
To determine a trajectory line, only two points are needed. These two points can be used to calculate the slope, which represents the direction and angle of the trajectory. Additional points can be used to further refine the trajectory line and estimate its accuracy.
what Navigation at sea requires the use of many points and lines to reference location and trajectory.What are the minimum points of reference needed to determine a trajectory (line)?
2 points
How many points are needed to determine a unique line?
Two distinct (different) points are needed to determine a line.
How many points determine a line?
Two
How many points determine unique line?
2
How many points are needed to draw a line?
A line contains an infinite number of points but it takes only two points to determine a line.
How many planes can contain two given points?
If 2 points determine a line, then a line contains infinitely many planes.
How many points are needed to determine a straight line?
You need two points to determine a line. A single point can have an infinite number of lines passing through it.
Are Points are named with lower case letters true or How many points determine a unique line?
2
How many points determine exactly one line?
It takes exactly 2 distinct points to uniquely define a line, i.e. for any two distinct points, there is a unique line containing them.
How many points are needed to determine a unique plane?
A plane can be determined by three points, as long as the three points do not lie along a single line.
What is Three points determine a plane?
If you were to have 3 points on the same line, then you would actually not be determining a plane, because there are infinitely many planes that can intersect a given line. But if you have 3 points in the form of the points (or vertices) of a triangle, then you determine a plane in the sense that there is only one possible plane upon which that triangle can be drawn (not including a degenerate triangle, which is equivalent to a line).
