../ dmsp_15_ephemeris_20160410.txt 22-Jun-2023 00:31 109604 dmsp_16_ephemeris_20160410.txt 22-Jun-2023 00:31 109623 dmsp_17_ephemeris_20160410.txt 22-Jun-2023 00:31 109803 dmsp_18_ephemeris_20160410.txt 22-Jun-2023 00:31 109714 dmsp_19_ephemeris_20160410.txt 22-Jun-2023 00:31 109672