../ dmsp_10_ephemeris_19961204.txt 21-Jun-2023 23:49 109416 dmsp_11_ephemeris_19961204.txt 21-Jun-2023 23:49 109486 dmsp_12_ephemeris_19961204.txt 21-Jun-2023 23:49 109395 dmsp_13_ephemeris_19961204.txt 21-Jun-2023 23:49 109382