../ dmsp_15_ephemeris_20170211.txt 22-Jun-2023 16:48 108011 dmsp_16_ephemeris_20170211.txt 22-Jun-2023 16:48 108076 dmsp_17_ephemeris_20170211.txt 22-Jun-2023 16:48 108022 dmsp_18_ephemeris_20170211.txt 22-Jun-2023 16:48 107941