| 1974-085C | S3-1 |
| 1975-114B | S3-2 |
| 1976-065B | S3-3 |
| 1969-082K | S69-4 Cone |
| 1969-082J | S69-4 Cylinder |
| 1971-012C | S70-3 Drag Sphere 1 |
| 1971-012D | S70-3 Drag Sphere 2 |
| 1971-012E | S70-3 Drag Sphere 3 |
| 1974-020B | S73-7 |
| 1992-052C | S80/T |
| viz. | S |
| viz. | S/MM |
| viz. | SAC |
| 1999-057B | SACI-1 |
| 2005-043G | Safir |
| 1998-043F | Safir 2 |
| 1994-074A | Safir-R 1 |
| 1979-013A | SAGE |
| 1985-001A | Sakigake |
| viz. | Sakura |
| viz. | Saljut |
| 2000-041A | Salsa |
| 2000-041B | Samba |
| viz. | Samos |
| 1992-038A | SAMPEX |
| viz. | San |
| 2001-043D | Sapphire |
| 1991-050E | SARA |
| 2010-062F | Sara Lily |
| viz. | SAR-Lupe |
| viz. | SARSAT |
| viz. | SAS |
| 1965-078A | Satar |
| 2008-055A | Satélite Simón Bolívar |
| viz. | Satcom |
| 1998-070A | Satmex 5 |
| 2006-020A | Satmex 6 |
| viz. | Saturn |
| viz. | SaudiComSat |
| viz. | SaudiSat |
| 1996-027A | SAX |
| viz. | SBS |
| 2010-048A | SBSS-1 |
| 2010-048A | SBSS Block 10 SV-1 |
| viz. | SBTS |
| 1979-007A | SCATHA |
| 1993-009B | SCD-1 |
| 1998-060A | SCD-2 |
| 1990-031C | SCE |
| 2003-036A | SciSat-1/ACE |
| 1958-006A | Score |
| 1999-001A | Scott |
| 2010-005A | SDO |
| viz. | SDS [=Satellite Data System] |
| 2009-002F | SDS-1 |
| viz. | SDS-B |
| 1968-017A | SE-B |
| 1999-014A | Sea Launch DemoSat |
| 1978-064A | Seasat 1 |
| 1978-064A | Seasat A |
| 1997-037A | Seastar |
| viz. | Secor |
| 1990-028B | SECS |
| 1993-017B | SEDS-1 |
| 1994-016B | SEDS-2 |
| 1998-061B | Sedsat 1 |
| 2007-039A | SELENE |
| 1962-051A | SERB-53A |
| 1962-059A | SERB-53B |
| 1970-009A | SERT-2 |
| 2003-050A | SERVIS-1 |
| 2010-023A | SERVIS-2 |
| 2011-035A | SES-3 |
| 2000-019A | SESat 1 |
| 2003-060A | SESat 2 |
| viz. | SESP |
| 1995-011A | SFU |
| 1996-001A | SFU Retrieval |
| 1966-090B | SGLS-1 |
| 2003-052A | Shen Tong-1 1 |
| viz. | Shenzhou |
| 1971-080A | Shinsei |
| 2004-029A | Shuang Xing Jihua 1 |
| 2003-061A | Shuand Xing Jihua 2 |
| viz. | Shuttle |
| 2001-005A | Sicral 1 |
| 2009-020A | Sicral 1B |
| 1995-046A | Sič 1/FASat-A |
| 2004-052A | Sič 1M |
| 2011-044G | Sič-2 |
| 1962-052A | Sigma 7 |
| 1998-076A | Signal 1 (Kosmos 2361) |
| 1977-049A | Signe 3 |
| 1988-051C | Simon Bolivar 1 |
| 2008-055A | Simón Bolívar |
| 2001-035B | Simplesat |
| 2000-026A | Simsat-1 |
| 2000-026B | Simsat-2 |
| 2005-043D | Sina 1 |
| 2005-043D | Sinah 1 (Sina 1) |
| 2000-042A | Sindri |
| 1998-044A | Sin Nuo 1 |
| 2006-048A | Sin Nuo 2 |
| 1998-044A | Sinosat 1 |
| 2006-048A | Sinosat 2 |
| 2007-021A | Sinosat 3 |
| 2010-042A | Sinosat 6 |
| 1977-080A | Sirio |
| viz. | Sirius [Švédsko - NSAB, od r. 2006 SES Sirius] |
| viz. | Sirius [USA - Sirius XM Radio] |
| 2003-038A | SIRTF |
| viz. | SJ |
| 1995-072B | Skipper |
| 1999-050A | Sky 1 |
| 1968-110A | Skygazer 1 |
| viz. | Skylab |
| 2007-023A | SkyMed-1 |
| 2007-057A | SkyMed-2 |
| 2008-054A | SkyMed-3 |
| 2010-060A | SkyMed 4 |
| viz. | Skynet |
| 2004-001A | Skynet Brasil 1 |
| 2010-061A | SkyTerra 1 |
| 2005-005C | Sloshsat |
| 2005-005C | Sloshsat-FLEVO |
| 1991-040A | SLS-1 |
| 2000-037A | SM |
| 1964-084A | SM-A |
| 2003-043C | SMART-1 |
| 2010-066C | SMDC-ONE |
| 1981-100A | SME |
| viz. | SMEX |
| 1980-014A | SMM |
| 2009-059A | SMOS |
| viz. | SMS |
| 1963-038C | SN-39 |
| 1963-049C | SN-41 |
| 1964-083C | SN-43 |
| 2000-033C | SNAP-1 |
| 1965-027A | Snapshot |
| 1977-049A | Sněg 3 |
| 1998-012A | SNOE |
| 1969-043D | Snoopy |
| 1998-061B | SO-33 |
| 1995-065A | SOHO |
| 1969-082K | SOICAL Cone |
| 1969-082J | SOICAL Cylinder |
| viz. | Sojuz |
| viz. | Sojuz-T |
| viz. | Sojuz-TM |
| viz. | Sojuz-TMA |
| 1991-062A | Solar A |
| 2006-041A | Solar B |
| 1971-058A | Solar Explorer 10 |
| 1980-014A | Solar Max |
| 1993-073A | Solidaridad 1 |
| 1994-065A | Solidaridad 2 |
| viz. | Solrad |
| 1979-017A | Solwind |
| viz. | SOOS |
| 2003-004A | SORCE |
| 2009-002D | SorunSat |
| viz. | Spacehab |
| viz. | Spacelab |
| viz. | Spacenet |
| 2006-008A | Space Technology 5A |
| 2006-008B | Space Technology 5B |
| 2006-008C | Space Technology 5C |
| 2005-015A | Spaceway F-1 |
| 2005-046B | Spaceway F-2 |
| 2007-036A | Spaceway F-3 |
| 1968-059A | SPADES |
| 2006-007A | Spainsat |
| 1981-065C | Spark 1 |
| 1982-033C | Spark 2 |
| 1982-033AD | Spark 3 |
| 2004-050 sine 2 | Sparky |
| viz. | Spartan |
| viz. | SPAS |
| 1965-065G | Spasur Rod 1 |
| 1995-024A | Spektr |
| 2011-037A | Spektr-R |
| 1969-018C | Spider |
| 2009-008C | SPIRALE-A |
| 2009-008C | SPIRALE-B |
| 2003-027A | Spirit |
| 2003-038A | Spitzer Space Telescope |
| viz. | SPOT |
| 1997-058C | Spoutnik 40 |
| 1998-062C | Spoutnik 41 |
| 1999-015C | Spoutnik 42 |
| 2009-002C | SpriteSAT |
| viz. | Sputnik |
| 2000-004C | SQUIRT-2 |
| viz. | SR |
| 1975-014A | SRATS |
| 2006-001C | SRE-1 |
| 1972-025B | SRET-1 |
| 1975-049B | SRET-2 |
| 1994-020A | SRL-1 |
| 1994-062A | SRL-2 |
| 2011-058D | SRMSat |
| 1992-028A | SROSS-3 |
| 1994-027A | SROSS-C2 |
| 1992-028A | SRS-3 |
| 1994-027A | SRS-C2 |
| 2000-010A | SRTM |
| viz. | SS |
| 1976-065C | SS-D 1 |
| 1985-001A | SS-Test |
| 1983-008E | SSA |
| 1983-008F | SSB |
| 1983-008B | SSD |
| 2005-043E | SSETI Express |
| 2011-076E | SSOT |
| 2006-005B | SSP-1 [=Solar Sail sub Payload] |
| 2006-041B | SSP-2 [=Solar Sail sub Payload] |
| 1971-096A | SSS-1 |
| 1971-096A | SSS-A |
| 2003-038A | SST |
| 1997-044A | SSTI-1 |
| viz. | SSU |
| 1998-049A | ST-1 [=Singapore-Taiwan] |
| 2011-022B | ST-2 [=Singapore-Taiwan] |
| 2003-052A | ST-1 1 [=Shen Tong] |
| 2010-064A | ST-1 2 [=Shen Tong] |
| 2003-052A | ST-1A [=Shen Tong] |
| 2010-064A | ST-1B [=Shen Tong] |
| 2006-008A | ST-5A |
| 2006-008B | ST-5B |
| 2006-008C | ST-5C |
| 1976-107A | Staccionar 1C (Ekran 1) |
| 1976-092A | Stacionar 18 |
| 1974-060A | Stacionar 1 |
| 1979-035A | Stacionar-1 3 |
| 1975-123A | Stacionar-1 [1] |
| 1976-092A | Stacionar-1 [2] |
| 1977-071A | Stacionar-2 [1] |
| 1978-073A | Stacionar-2 [2] |
| 1980-016A | Stacionar-2 [3] |
| viz. | Stacionar-3 |
| 1990-031A | Stacksat 1 |
| 1990-031B | Stacksat 2 |
| 1990-031C | Stacksat 3 |
| 1962-058A | Star-rad 1 |
| 1962-058A | Starad 1 |
| 1999-003A | Stardust |
| 1964-030A | Starflash 1A |
| 1964-048A | Starflash 1B |
| 1975-010A | Starlette |
| 2007-056A | Star One C1 |
| 2008-018B | Star One C2 |
| 2009-002G | STARS-1 |
| 1999-030B | Starshine |
| 2001-054B | Starshine 2 |
| 2001-043A | Starshine 3 |
| 1993-014A | Start 1 |
| 1998-012A | STEDI-1 |
| 1999-026A | STEDI-2 |
| 1993-061B | Stella |
| 2002-035A | Stellat 5 |
| 2000-004K | Stensat |
| viz. | STEP |
| 2009-039B | Sterch-11 |
| 2009-049B | Sterch-12 |
| 2006-047A | STEREO-A |
| 2006-047B | STEREO-B |
| 1998-055A | STEx |
| 1998-055A | STEx/ATEx (USA 140) |
| viz. | STP |
| 2007-006D | STPSat-1 |
| 2010-062A | STPSat-2 |
| 2005-037A | Streak |
| 1962-010A | Strongback |
| viz. | STRV |
| viz. | STS |
| 2003-042A | STSat-1 |
| 2009-023A | STSS-ATRR |
| 2009-052A | STSS Demo SV-1 |
| 2009-052B | STSS Demo SV-2 |
| viz. | STTW |
| 2010-035B | StudSat |
| 1985-073A | Suisei |
| 2005-035C | SuitSat-1 |
| 2009-049F | SumbandilaSat |
| 1960-007B | Sunray 1 |
| 1963-021C | Sunray 5 |
| 1999-008C | Sunsat |
| viz. | Superbird |
| 1965-065H | Surcal 158 |
| viz. | Surcal |
| 1965-065A | Surcal/Long Rod |
| 1995-059B | Surfsat 1 |
| viz. | Surveyor |
| 2005-025A | Suzaku |
| 1972-018A | SV-1 |
| 1971-087A | SV-2 |
| viz. | SVN |
| viz. | Surcal |
| viz. | SW [=Shiyan Weixing] |
| 1998-071A | SWAS |
| 2004-047A | Swift |
| 2009-051B | SwissCube |
| 2004-029A | SXJ-1 |
| 2003-061A | SXJ-2 |
| viz. | SY |
| 1995-046A | Sych 1 |
| viz. | Symphonie |
| viz. | Syncom |
| viz. | Syracuse |
| viz. | SZ [=Shenzhou] |
| 2005-043D | SZ-1 (Írán) |
| viz. | Šen-čou |