NoradSGP4.NDdt Property

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Description

The second derivative of the mean motion. The TLE set contains the value of the second derivative and its exponent as two separate values. On input, they are combined to get the actual value, and this is stored in NDdt. Then 0 is stored in NDdtExp.

 

Timing Precision Mode

This page describes functionality in nanosecond timing precision mode.

 

Attributes

Type:

number

Access:

read/write

Units:

rev/day3

Default Value:

0.0

 

Syntax

myVariable1 = myNoradSGP41.NDdt;

 

myNoradSGP41.NDdt = myVariable1;

 

See also

NoradSGP4 Object

Choosing an Integrator

Setting up an Integrator