../ dmsp_15_ephemeris_20220423.txt 22-Jun-2023 00:51 109586 dmsp_16_ephemeris_20220423.txt 22-Jun-2023 00:51 109710 dmsp_17_ephemeris_20220423.txt 22-Jun-2023 00:51 109693 dmsp_18_ephemeris_20220423.txt 22-Jun-2023 00:51 109591