../ dmsp_10_ephemeris_19970731.txt 22-Jun-2023 15:53 109432 dmsp_11_ephemeris_19970731.txt 22-Jun-2023 15:53 109666 dmsp_12_ephemeris_19970731.txt 22-Jun-2023 15:53 109757 dmsp_13_ephemeris_19970731.txt 22-Jun-2023 15:53 109794 dmsp_14_ephemeris_19970731.txt 22-Jun-2023 15:53 109801