../ dmsp_10_ephemeris_19970921.txt 21-Jun-2023 23:50 109608 dmsp_11_ephemeris_19970921.txt 21-Jun-2023 23:50 109725 dmsp_12_ephemeris_19970921.txt 21-Jun-2023 23:50 109692 dmsp_13_ephemeris_19970921.txt 21-Jun-2023 23:50 109845 dmsp_14_ephemeris_19970921.txt 21-Jun-2023 23:50 109663