../ dmsp_08_ephemeris_19920419.txt 21-Jun-2023 23:44 109358 dmsp_09_ephemeris_19920419.txt 21-Jun-2023 23:44 109495 dmsp_10_ephemeris_19920419.txt 21-Jun-2023 23:44 109705 dmsp_11_ephemeris_19920419.txt 21-Jun-2023 23:44 109723