../ dmsp_14_ephemeris_20100920.txt 22-Jun-2023 00:16 109551 dmsp_15_ephemeris_20100920.txt 22-Jun-2023 00:16 109627 dmsp_16_ephemeris_20100920.txt 22-Jun-2023 00:16 109540 dmsp_17_ephemeris_20100920.txt 22-Jun-2023 00:16 109708 dmsp_18_ephemeris_20100920.txt 22-Jun-2023 00:16 109661