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epj2jd

sofars::cal

Function epj2jd 

Source 
pub fn epj2jd(epj: f64) -> (f64, f64)
Expand description

Julian Epoch to Julian Date.

This function is part of the International Astronomical Union’s SOFA (Standards of Fundamental Astronomy) software collection.

Status: support function.

§Given:

  • epj: Julian Epoch (e.g. 1996.8)

§Returned:

  • djm0: MJD zero-point: always 2400000.5
  • djm: Modified Julian Date

§Note:

The Julian Date is returned in two pieces, in the usual SOFA manner, which is designed to preserve time resolution. The Julian Date is available as a single number by adding djm0 and djm.

§Reference:

Lieske, J.H., 1979, Astron.Astrophys. 73, 282.