../ dmsp_15_ephemeris_20160521.txt 22-Jun-2023 16:23 109472 dmsp_16_ephemeris_20160521.txt 22-Jun-2023 16:23 109584 dmsp_17_ephemeris_20160521.txt 22-Jun-2023 16:23 109613 dmsp_18_ephemeris_20160521.txt 22-Jun-2023 16:23 109601 dmsp_19_ephemeris_20160521.txt 22-Jun-2023 16:23 109525