../ dmsp_10_ephemeris_19970320.txt 21-Jun-2023 23:49 108148 dmsp_11_ephemeris_19970320.txt 21-Jun-2023 23:49 108363 dmsp_12_ephemeris_19970320.txt 21-Jun-2023 23:49 108292 dmsp_13_ephemeris_19970320.txt 21-Jun-2023 23:49 108274