../ dmsp_10_ephemeris_19970520.txt 21-Jun-2023 23:49 109454 dmsp_11_ephemeris_19970520.txt 21-Jun-2023 23:49 109771 dmsp_12_ephemeris_19970520.txt 21-Jun-2023 23:49 109517 dmsp_13_ephemeris_19970520.txt 21-Jun-2023 23:49 109718 dmsp_14_ephemeris_19970520.txt 21-Jun-2023 23:49 109762