Progress 26

{{Short description|Soviet uncrewed Progress cargo spacecraft}}

{{Use British English|date=December 2020}}

{{Use dmy dates|date=December 2020}}

{{Infobox spaceflight

| name = Progress 26

| image = Progress drawing.svg

| image_caption = A Progress 7K-TG spacecraft

| mission_type = Mir resupply

| COSPAR_ID = 1986-032A

| SATCAT = 16687{{cite web|url=http://planet4589.org/space/log/launchlog.txt|title=Launchlog|work=Jonathan's Space Report|access-date=5 December 2020}}

| spacecraft = Progress (No.136)

| spacecraft_type = Progress 7K-TG{{cite web|url=https://space.skyrocket.de/doc_sdat/progress.htm|title=Progress 1 - 42 (11F615A15, 7K-TG)|work=Gunter's Space Page|access-date=5 December 2020}}

| manufacturer = NPO Energia

| launch_date = 23 April 1986, 19:40:05 UTC

| launch_rocket = Soyuz-U2

| launch_site = Baikonur, Site 1/5

| docking =

{{Infobox spaceflight/Dock

| docking_target = Mir

| docking_type = dock

| docking_port = Mir Core Module aft{{cite web|url=http://space.kursknet.ru/cosmos/english/cargoes/pr26.sht|title=Cargo spacecraft "Progress 26"|work=Manned Astronautics figures and facts |archive-url=https://web.archive.org/web/20071009095733/http://space.kursknet.ru/cosmos/english/cargoes/pr26.sht|archive-date=9 October 2007}}

| docking_date = 26 April 1986, 21:26:06 UTC

| undocking_date = 22 June 1986, 18:25:00 UTC

}}

| disposal_type = Deorbited

| decay_date = 23 June 1986, 18:41:01 UTC

| orbit_epoch = 23 April 1986

| orbit_reference = Geocentric

| orbit_regime = Low Earth

| orbit_periapsis = 184 km

| orbit_apoapsis = 257 km

| orbit_inclination = 51.6°

| orbit_period = 88.9 minutes

| apsis = gee

| programme = Progress (spacecraft)

| previous_mission = Progress 25

| next_mission = Progress 27

}}

Progress 26 ({{Langx|ru|Прогресс 26|italic=yes}}) was a Soviet uncrewed Progress cargo spacecraft, which was launched in April 1986 to resupply the Mir space station.