../ dmsp_14_ephemeris_20100921.txt 22-Jun-2023 00:16 109694 dmsp_15_ephemeris_20100921.txt 22-Jun-2023 00:16 109638 dmsp_16_ephemeris_20100921.txt 22-Jun-2023 00:16 109608 dmsp_17_ephemeris_20100921.txt 22-Jun-2023 00:16 109718 dmsp_18_ephemeris_20100921.txt 22-Jun-2023 00:16 109657