Editing Mars 5 (section)

{{Short description|Soviet orbiter mission to Mars (1973–1974)}}
{{Infobox spaceflight
| name                  = Mars 5
| image                 = Mars 4-5.jpg
| image_size            = 300px

| mission_type          = [[Mars]] orbiter<ref>{{cite web|url=http://space.skyrocket.de/doc_sat/ip_probe.htm|title=Interplanetary Probes|work=Gunter's Space Page|first=Gunter|last=Krebs|access-date=12 April 2013}}</ref>
| operator              = Soviet space program
| COSPAR_ID             = 1973-049A
| SATCAT                = 6754
| mission_duration      = {{time interval|25 Jul 1973|28 Feb 1974|sep=,}}
| spacecraft            = [[3MS]] No.53S
| manufacturer          = [[NPO Lavochkin]]
| launch_mass           = {{cvt|3440|kg|lb}}<ref>{{cite web|url=https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1973-049A|title=Mars 5|access-date=6 December 2018}}</ref>

| launch_date           = {{start-date|25 July 1973, 18:55:48|timezone=yes}}&nbsp;UTC<ref name="LL">{{cite web|url=http://planet4589.org/space/log/launchlog.txt|title=Launch Log|first=Jonathan|last=McDowell|work=Jonathan's Space Page|access-date=12 April 2013}}</ref>
| launch_rocket         = [[Proton-K]]/[[Blok D|D]]  
| launch_site           = [[Baikonur Cosmodrome|Baikonur]] [[Baikonur Cosmodrome Site 81|81/24]]
| last_contact          = {{end-date|28 February 1974}}
| launch_contractor     = [[Khrunichev State Research and Production Space Center|Khrunichev]]

| orbit_epoch           = 12 February 1974
| orbit_reference       = [[Areocentric orbit|Areocentric]]<ref name="EA">{{cite web |url=http://www.astronautix.com/m/marsm-73.html|title=Mars M-73|author1=Mark Wade|publisher=Encyclopedia Astronautica|access-date=27 May 2024}}</ref>
| orbit_periapsis       = {{convert|1760|km}}
| orbit_apoapsis        = {{convert|32586|km}}
| orbit_inclination     = 35.3°
| orbit_period          = 24.88 hours
| apsis                 = areon

|interplanetary         = 
 {{Infobox spaceflight/IP
   |type                = orbiter
   |object              = [[Mars]]
   |orbits              = 
   |arrival_date        = 12 February 1974, 15:45&nbsp;UTC<ref name="NSSDC"/>
 }}

| programme             = '''[[Mars program]]'''
| previous_mission      = [[Mars 4]]
| next_mission          = [[Mars 6]]
}}

'''Mars 5''' ({{Langx|ru|Марс-5}}), also known as '''3MS No.53S''' was a [[Soviet Union|Soviet]] spacecraft launched to explore Mars. A 3MS spacecraft launched as part of the [[Mars program]]me, it successfully entered orbit around Mars in 1974. However, it failed a few weeks later.<ref name="NSSDC">{{cite web|url=https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1973-049A|title=Mars 5|publisher=US National Space Science Data Centre|access-date=12 April 2013}}</ref>