../ dmsp_13_ephemeris_20100508.txt 22-Jun-2023 00:15 309 dmsp_14_ephemeris_20100508.txt 22-Jun-2023 00:15 109558 dmsp_15_ephemeris_20100508.txt 22-Jun-2023 00:15 109646 dmsp_16_ephemeris_20100508.txt 22-Jun-2023 00:15 109621 dmsp_17_ephemeris_20100508.txt 22-Jun-2023 00:15 109792 dmsp_18_ephemeris_20100508.txt 22-Jun-2023 00:15 109553