FAQ

What is the Time since Periapsis?
The Time since Periapsis is a measure of the duration that has passed since an object in orbit, such as a satellite, passed through its closest point to the central body, known as periapsis. Time since Periapsis is usually measured using the Second for Time. Note that the value of Time since Periapsis is always positive.
Can the Time since Periapsis be negative?
No, the Time since Periapsis, measured in Time cannot be negative.
What unit is used to measure Time since Periapsis?
Time since Periapsis is usually measured using the Second[s] for Time. Millisecond[s], Microsecond[s], Nanosecond[s] are the few other units in which Time since Periapsis can be measured.
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