../ dmsp_15_ephemeris_20230121.txt 22-Jun-2023 00:54 108025 dmsp_16_ephemeris_20230121.txt 22-Jun-2023 00:54 107947 dmsp_17_ephemeris_20230121.txt 22-Jun-2023 00:54 107927 dmsp_18_ephemeris_20230121.txt 22-Jun-2023 00:54 107986