../ dmsp_13_ephemeris_20100421.txt 22-Jun-2023 16:09 109723 dmsp_14_ephemeris_20100421.txt 22-Jun-2023 16:09 109596 dmsp_15_ephemeris_20100421.txt 22-Jun-2023 16:09 109663 dmsp_16_ephemeris_20100421.txt 22-Jun-2023 16:09 109682 dmsp_17_ephemeris_20100421.txt 22-Jun-2023 16:09 109699 dmsp_18_ephemeris_20100421.txt 22-Jun-2023 16:09 109778