../ dmsp_15_ephemeris_20170106.txt 22-Jun-2023 00:33 106554 dmsp_16_ephemeris_20170106.txt 22-Jun-2023 00:33 106488 dmsp_17_ephemeris_20170106.txt 22-Jun-2023 00:33 106481 dmsp_18_ephemeris_20170106.txt 22-Jun-2023 00:33 106411