../ dmsp_13_ephemeris_20100508.txt 22-Jun-2023 16:26 309 dmsp_14_ephemeris_20100508.txt 22-Jun-2023 16:26 109558 dmsp_15_ephemeris_20100508.txt 22-Jun-2023 16:26 109646 dmsp_16_ephemeris_20100508.txt 22-Jun-2023 16:26 109621 dmsp_17_ephemeris_20100508.txt 22-Jun-2023 16:26 109792 dmsp_18_ephemeris_20100508.txt 22-Jun-2023 16:26 109553