../ dmsp_15_ephemeris_20121027.txt 22-Jun-2023 00:20 109590 dmsp_16_ephemeris_20121027.txt 22-Jun-2023 00:20 109361 dmsp_17_ephemeris_20121027.txt 22-Jun-2023 00:20 109531 dmsp_18_ephemeris_20121027.txt 22-Jun-2023 00:20 109457