../ dmsp_15_ephemeris_20151019.txt 22-Jun-2023 16:43 109531 dmsp_16_ephemeris_20151019.txt 22-Jun-2023 16:43 109535 dmsp_17_ephemeris_20151019.txt 22-Jun-2023 16:43 109500 dmsp_18_ephemeris_20151019.txt 22-Jun-2023 16:43 109450 dmsp_19_ephemeris_20151019.txt 22-Jun-2023 16:43 109532