../ dmsp_15_ephemeris_20160519.txt 22-Jun-2023 16:23 109521 dmsp_16_ephemeris_20160519.txt 22-Jun-2023 16:23 109527 dmsp_17_ephemeris_20160519.txt 22-Jun-2023 16:23 109617 dmsp_18_ephemeris_20160519.txt 22-Jun-2023 16:23 109524 dmsp_19_ephemeris_20160519.txt 22-Jun-2023 16:23 109633