../ dmsp_13_ephemeris_20100508.txt 22-Jun-2023 16:06 309 dmsp_14_ephemeris_20100508.txt 22-Jun-2023 16:06 109558 dmsp_15_ephemeris_20100508.txt 22-Jun-2023 16:06 109646 dmsp_16_ephemeris_20100508.txt 22-Jun-2023 16:06 109621 dmsp_17_ephemeris_20100508.txt 22-Jun-2023 16:06 109792 dmsp_18_ephemeris_20100508.txt 22-Jun-2023 16:06 109553