../ dmsp_10_ephemeris_19970717.txt 21-Jun-2023 23:50 109588 dmsp_11_ephemeris_19970717.txt 21-Jun-2023 23:50 109899 dmsp_12_ephemeris_19970717.txt 21-Jun-2023 23:50 109537 dmsp_13_ephemeris_19970717.txt 21-Jun-2023 23:50 109632 dmsp_14_ephemeris_19970717.txt 21-Jun-2023 23:50 109605