../ dmsp_15_ephemeris_20131011.txt 22-Jun-2023 16:36 109597 dmsp_16_ephemeris_20131011.txt 22-Jun-2023 16:36 109663 dmsp_17_ephemeris_20131011.txt 22-Jun-2023 16:36 109623 dmsp_18_ephemeris_20131011.txt 22-Jun-2023 16:36 109554