Issue/50/ephemeris generation

[FusRoman]

close #50

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 80.65041% with 119 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.69%. Comparing base (195f0a7) to head (3cb04c8).

Files with missing lines	Patch %	Lines
src/ephemeris/mod.rs	48.05%	40 Missing ⚠️
src/ephemeris/aberration.rs	40.00%	27 Missing ⚠️
src/ephemeris/result.rs	55.76%	23 Missing ⚠️
src/ephemeris/request.rs	75.00%	19 Missing ⚠️
src/orbit_type/equinoctial_element.rs	88.00%	6 Missing ⚠️
src/ephemeris/geometry.rs	96.29%	2 Missing ⚠️
src/ephemeris/apparent_position.rs	98.95%	1 Missing ⚠️
src/ephemeris/batch.rs	97.50%	1 Missing ⚠️
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Additional details and impacted files

@@                Coverage Diff                @@
##           release-3.0.0      #51      +/-   ##
=================================================
- Coverage          91.18%   90.69%   -0.50%     
=================================================
  Files                 56       63       +7     
  Lines              11088    11473     +385     
=================================================
+ Hits               10111    10405     +294     
- Misses               977     1068      +91     

Flag	Coverage Δ
default	90.65% <79.96%> (-0.52%)	⬇️
parallel	90.69% <80.65%> (-0.50%)	⬇️

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