../ dmsp_15_ephemeris_20220102.txt 22-Jun-2023 00:49 106484 dmsp_16_ephemeris_20220102.txt 22-Jun-2023 00:49 106544 dmsp_17_ephemeris_20220102.txt 22-Jun-2023 00:49 106464 dmsp_18_ephemeris_20220102.txt 22-Jun-2023 00:49 106386