Editing AS-104 (section)

{{Short description|1965 orbital test of a Apollo spacecraft}}
{{use mdy dates|date=September 2021}}
{{Infobox spaceflight
| name                  = AS-104 
| image                 = Saturn SA8 launch.jpg
| image_caption         = Launch of Saturn AS-104
| insignia              =

| mission_type          = Spacecraft aerodynamics;<br>micrometeoroid investigation
| operator              = [[NASA]]
| COSPAR_ID             = 1965-039B
| SATCAT                = 1385
| mission_duration      = 8,810&nbsp;days<ref name="n2yo"/> <!-- calculated launch to decay date -->
| orbits_completed      = ~79,790
| distance_travelled    = {{convert|3282050195|km|mi|sp=us}}

| spacecraft            = [[Apollo (spacecraft)|Apollo]] BP-26<br>[[Pegasus 2]]
| manufacturer          = 
| launch_mass           = {{convert|1451.5|kg|lb}}
| landing_mass          =

| launch_date           = {{start date text|May 25, 1965, 07:35:01|timezone=yes}}&nbsp;UTC 
| launch_rocket         = [[Saturn I]] SA-8
| launch_site           = [[Cape Canaveral Air Force Station|Cape Kennedy]] [[Cape Canaveral Air Force Station Space Launch Complex 37|LC-37B]]
| decay_date            = {{end date text|July 8, 1989}}<ref name="n2yo">{{cite web|url=https://www.n2yo.com/satellite/?s=01385|title=Apollo Model 4|website=n2yo.com|access-date=February 3, 2023}}</ref>

| orbit_epoch           = 4 July 1965<ref name="satcat">{{cite web|url=http://planet4589.org/space/log/satcat.txt|title=Satellite Catalog|first=Jonathan|last=McDowell|work=Jonathan's Space Page|access-date=31 October 2013}}</ref>
| orbit_reference       = [[geocentric orbit|Geocentric]]
| orbit_regime          = [[Low Earth orbit]]
| orbit_periapsis       = {{convert|511|km|mi|sp=us}} 
| orbit_apoapsis        = {{convert|739|km|mi|sp=us}}
| orbit_inclination     = 31.7&nbsp;degrees
| orbit_period          = 97.2&nbsp;minutes 
| apsis                 = gee

| previous_mission      = [[AS-103]]
| next_mission          = [[AS-105]]
| programme             = [[Apollo program]]
}}
'''AS-104''' was the fourth orbital test of a [[Boilerplate (spaceflight)|boilerplate]] [[Apollo spacecraft]], and the second flight of the [[Pegasus (satellite)|Pegasus micrometeoroid detection satellite]]. It was launched by SA-8, the ninth [[Saturn I]] carrier rocket.