../ dmsp_15_ephemeris_20131109.txt 22-Jun-2023 16:12 109553 dmsp_16_ephemeris_20131109.txt 22-Jun-2023 16:12 109429 dmsp_17_ephemeris_20131109.txt 22-Jun-2023 16:12 109392 dmsp_18_ephemeris_20131109.txt 22-Jun-2023 16:12 109447