../ dmsp_15_ephemeris_20160831.txt 22-Jun-2023 00:32 109645 dmsp_16_ephemeris_20160831.txt 22-Jun-2023 00:32 109661 dmsp_17_ephemeris_20160831.txt 22-Jun-2023 00:32 109805 dmsp_18_ephemeris_20160831.txt 22-Jun-2023 00:32 109651 dmsp_19_ephemeris_20160831.txt 22-Jun-2023 00:32 109680