../ dmsp_15_ephemeris_20231105.txt 05-Jan-2024 22:00 109514 dmsp_16_ephemeris_20231105.txt 05-Jan-2024 22:00 109483 dmsp_17_ephemeris_20231105.txt 05-Jan-2024 22:00 109423 dmsp_18_ephemeris_20231105.txt 05-Jan-2024 22:00 109407