Added light_time_correction property and updated isd

ale/drivers/mariner_drivers.py

@@ -82,4 +82,19 @@ def ephemeris_start_time(self):
  start time
  """
  return spice.str2et(self.utc_start_time.strftime("%Y-%m-%d %H:%M:%S.%f")) - (self.exposure_duration / 2.0)
+
+ @property
+ def light_time_correction(self):
+ """
+ Returns the type of light time correction and abberation correction to
+ use in NAIF calls.
+
+ Returns
+ -------
+ : str
+ The light time and abberation correction string for use in NAIF calls.
+ See https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/req/abcorr.html
+ for the different options available.
+ """
+ return 'NONE'
 

tests/pytests/data/isds/mariner10_isd.json

@@ -186,16 +186,16 @@
  ],
  "positions": [
  [
- -102988.65244940185,
- 3813.6761044064274,
- -31476.7258130999
+ -102972.7382271018,
+ 3812.9827825224156,
+ -31471.92445819328
  ]
  ],
  "velocities": [
  [
- 10.073083917183162,
- -0.6608509235485678,
- 2.9052260072869664
+ 10.071486208448203,
+ -0.6607146245234612,
+ 2.9047780027319923
  ]
  ],
  "reference_frame": 1