Progress 40

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

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

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

{{Infobox spaceflight

| name = Progress 40

| image = Progress drawing.svg

| image_caption = A Progress 7K-TG spacecraft

| mission_type = Mir resupply

| COSPAR_ID = 1989-008A

| SATCAT = 19783{{cite web|url=http://planet4589.org/space/log/launchlog.txt|title=Launchlog|work=Jonathan's Space Report|access-date=4 December 2020}}

| spacecraft = Progress (No.148)

| 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=4 December 2020}}

| manufacturer = NPO Energia

| launch_date = 10 February 1989, 08:53:52 UTC

| launch_rocket = Soyuz-U2

| launch_site = Baikonur, Site 1/5

| docking =

{{Infobox spaceflight/Dock

| docking_target = Mir

| docking_type = dock

| docking_port = Kvant-1 aft{{cite web|url=http://space.kursknet.ru/cosmos/english/cargoes/pr40.sht|title=Cargo spacecraft "Progress 40"|work=Manned Astronautics figures and facts |archive-url=https://web.archive.org/web/20071009095638/http://space.kursknet.ru/cosmos/english/cargoes/pr40.sht|archive-date=9 October 2007}}

| docking_date = 12 February 1989, 10:29:38 UTC

| undocking_date = 3 March 1989, 01:45:52 UTC

}}

| disposal_type = Deorbited

| decay_date = 5 March 1989, 01:08 UTC

| orbit_epoch = 10 February 1989

| orbit_reference = Geocentric

| orbit_regime = Low Earth

| orbit_periapsis = 187 km

| orbit_apoapsis = 244 km

| orbit_inclination = 51.6°

| orbit_period = 88.8 minutes

| apsis = gee

| programme = Progress (spacecraft)

| previous_mission = Progress 39

| next_mission = Progress 41

}}

Progress 40 ({{Langx|ru|Прогресс 40|italic=yes}}) was a Soviet unmanned Progress cargo spacecraft, which was launched in February 1989 to resupply the Mir EO-4 expedition aboard the Mir space station.