Satellite: Solar Apparent Time
An angular measure of the true direction of the object, expressed as a time where 360 degrees
is 24:00:00.00.
Type: Time-varying data
Availability: Reports
| Dynamic Displays
| Name | Dimension | Type | Description |
|---|
| Time | DateFormat | Real Number | Time. |
| Apparent Time | Unitless | Text | The difference in angle between the object's detic longitude and the detic longitude of
the apparent position of the sun, expressed as a time,
at the given time. The time is expressed so that 12:00 (noon) corresponds to the object lying on
the apparent sun line on the sun side, and 00:00 (midnight) corresponds to lying on the apparent sun
line behind the central body.
|
| Mean Time | Unitless | Text | The apparent time adjusted by earth's equation of time. This value smooths out the variation
of the motion of the earth about the sun during the year in the apparent time computation.
The equation of time models the difference between the right ascension of the true and
fictitious sun locations, where the fictitious sun moves nearly uniformly in the celestial equator.
|
| Local Time | Unitless | Text | The current UTC time plus the detic longitude of the object expressed as a time.
|
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