../ dmsp_15_ephemeris_20160727.txt 22-Jun-2023 16:23 109608 dmsp_16_ephemeris_20160727.txt 22-Jun-2023 16:23 109515 dmsp_17_ephemeris_20160727.txt 22-Jun-2023 16:23 109594 dmsp_18_ephemeris_20160727.txt 22-Jun-2023 16:23 109500 dmsp_19_ephemeris_20160727.txt 22-Jun-2023 16:23 109611