../ dmsp_15_ephemeris_20160713.txt 22-Jun-2023 00:31 109568 dmsp_16_ephemeris_20160713.txt 22-Jun-2023 00:31 109419 dmsp_17_ephemeris_20160713.txt 22-Jun-2023 00:31 109746 dmsp_18_ephemeris_20160713.txt 22-Jun-2023 00:31 109611 dmsp_19_ephemeris_20160713.txt 22-Jun-2023 00:31 109584