Scenario: J2000 Angles
Earth Orientation information based on J2000 system.
Type: Time-varying data
Availability: Reports
| Graphs
| Dynamic Displays
| Name | Dimension | Type | Description |
|---|
| Time | DateFormat | Real Number | Time. |
| Apparent GHA | AngleUnit | Real Number | The sidereal Greenwich Hour Angle (GHA) that includes equation of the equinox. |
| Mean GHA 0hUTC | AngleUnit | Real Number | The sidereal Greenwich Hour Angle (GHA) at 0 in Universal Time of input day. The angle does not include equation of the equinox. |
| Mean GHA | AngleUnit | Real Number | The sidereal Greenwich Hour Angle (GHA) that does not include equation of the equinox. |
| MeanObliquity | AngleUnit | Real Number | Obliquity of the ecliptic plane that does not include the effect of the nutation. |
| TrueObliquity | AngleUnit | Real Number | Obliquity of the ecliptic plane that includes the effect of the nutation. |
| UT1-UTC | TimeUnit | Real Number | The difference between Universal Time (UT1) and Coordinated Universal Time (UTC). |
| EqnOfEquinox | AngleUnit | Real Number | The effect of the nutation on the Right Ascension of the equinox. |
| MJD | Unitless | Real Number | Modified Julian Date (UTC time scale). |
| Nut. in Obliquity | AngleUnit | Real Number | The effect of the nutation on the obliquity of the ecliptic plane. |
| Nut. in Longitude | AngleUnit | Real Number | The effect of the nutation on the celestial longitude. |
| Pole Wander X | AngleUnit | Real Number | Small angle related to changes in orientation of the earth pole due to continental drift. |
| Pole Wander Y | AngleUnit | Real Number | Small angle related to changes in orientation of the earth pole due to continental drift. |
| Apparent GHA withUT1UTC | AngleUnit | Real Number | The sidereal Greenwich Hour Angle (GHA) that accounts for the difference between UT1 and UTC time scales and includes equation of the equinox. |
| Mean GHA withUT1UTC | AngleUnit | Real Number | The sidereal Greenwich Hour Angle (GHA) that accounts for the difference between UT1 and UTC time scales, but does not include equation of the equinox. |
| EqnOfTime | TimeUnit | Real Number | The difference between the apparent and mean solar times. |
| Solar Declination | AngleUnit | Real Number | Declination of the sun in the earth centered J2000 coordinate system. |
| Solar Right Ascension | LongitudeUnit | Real Number | Right Ascension of the sun in the earth centered J2000 coordinate system. |
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