../ dmsp_15_ephemeris_20220130.txt 22-Jun-2023 16:31 108011 dmsp_16_ephemeris_20220130.txt 22-Jun-2023 16:31 107975 dmsp_17_ephemeris_20220130.txt 22-Jun-2023 16:31 107923 dmsp_18_ephemeris_20220130.txt 22-Jun-2023 16:31 108026