../ dmsp_13_ephemeris_20100519.txt 22-Jun-2023 16:26 243 dmsp_14_ephemeris_20100519.txt 22-Jun-2023 16:26 109698 dmsp_15_ephemeris_20100519.txt 22-Jun-2023 16:26 109590 dmsp_16_ephemeris_20100519.txt 22-Jun-2023 16:26 109553 dmsp_17_ephemeris_20100519.txt 22-Jun-2023 16:26 109720 dmsp_18_ephemeris_20100519.txt 22-Jun-2023 16:26 109642