../ dmsp_15_ephemeris_20220716.txt 22-Jun-2023 00:52 109641 dmsp_16_ephemeris_20220716.txt 22-Jun-2023 00:52 109594 dmsp_17_ephemeris_20220716.txt 22-Jun-2023 00:52 109587 dmsp_18_ephemeris_20220716.txt 22-Jun-2023 00:52 109582