../ dmsp_15_ephemeris_20220104.txt 22-Jun-2023 16:31 106443 dmsp_16_ephemeris_20220104.txt 22-Jun-2023 16:31 106460 dmsp_17_ephemeris_20220104.txt 22-Jun-2023 16:31 106392 dmsp_18_ephemeris_20220104.txt 22-Jun-2023 16:31 106511