 Mars Polar Lander | January 3, 1999 | Jet Propulsion Laboratory, National Aeronautics and Space Administration | Delta II |
| Cosmos 2362 | December 30, 1998 | — | Proton-K |
| Cosmos 2363 | December 30, 1998 | — | Proton-K |
| Cosmos 2364 | December 30, 1998 | — | Proton-K |
| Cosmos 2361 | December 24, 1998 | — | Kosmos-3M |
| Intelsat 6B | December 22, 1998 | — | Ariane 42L |
| Iridium 11A | December 19, 1998 | Iridium Communications | Long March 2C |
| Iridium 20A | December 19, 1998 | Iridium Communications | Long March 2C |
 Mars Climate Orbiter | December 11, 1998 | National Aeronautics and Space Administration, Jet Propulsion Laboratory | Delta II |
| Astrid-2 | December 10, 1998 | Swedish Space Corporation | Kosmos-3M |
| SATMEX 5 | December 6, 1998 | — | Ariane 42L |
 Submillimeter Wave Astronomy Satellite | December 6, 1998 | Goddard Space Flight Center | Pegasus-XL |
 MightySat-1 | December 4, 1998 | Air Force Research Laboratory, Space Test Program | Space Shuttle |
 SAC-A | December 4, 1998 | Comisión Nacional de Actividades Espaciales | Space Shuttle |
| Bonum 1 | November 22, 1998 | — | Delta II |
 International Space Station | November 20, 1998 | European Space Agency, National Aeronautics and Space Administration, Canadian Space Agency, Roscosmos State Corporation, Japan Aerospace Exploration Agency | Proton-K |
| SIMPL | November 20, 1998 | United States | — |
| TUMnanoSAT | November 20, 1998 | — | Proton-K |
| Iridium 87 | November 6, 1998 | — | Delta II |
| Intelsat 8 | November 4, 1998 | PanAmSat | Proton-K |
 PANSat | October 29, 1998 | Naval Postgraduate School, Space Test Program | Space Shuttle |
| SPARTAN 201-05 | October 29, 1998 | — | — |
| AfriStar | October 28, 1998 | — | Ariane 44L |
 AMC-5 | October 28, 1998 | SES Americom | Ariane 44L |
| Progress M-40 | October 25, 1998 | — | Soyuz-U |
| Sputnik 41 | October 25, 1998 | — | Soyuz-U |
 Deep Space 1 | October 24, 1998 | National Aeronautics and Space Administration | Delta II |
 SEDSAT-1 | October 24, 1998 | — | Delta II |
 SCD-2 | October 23, 1998 | National Institute for Space Research | Pegasus-H |
 Atmospheric Reentry Demonstrator | October 21, 1998 | European Space Agency | Ariane 5G |
| UFO 9 | October 20, 1998 | — | Atlas II |
| BADR-2سكس | October 9, 1998 | — | Atlas II |
| Eutelsat W2 | October 5, 1998 | Eutelsat | Ariane 44L |
| Sirius 3 | October 5, 1998 | — | Ariane 44L |
 STEX | October 3, 1998 | National Reconnaissance Office | Minotaur-C |
| Intelsat 7 | September 16, 1998 | Intelsat | Ariane 44LP |
 Iridium 77 | September 8, 1998 | — | Delta II |
| Kwangmyŏngsŏng-1 | August 31, 1998 | Korean Committee of Space Technology | Paektusan-1 |
| Astra 2A | August 30, 1998 | — | Proton-K |
| ST-1 | August 25, 1998 | Singtel | Ariane 44P |
| Iridium 78 | August 19, 1998 | — | Long March 2C |
 Soyuz TM-28 | August 13, 1998 | Roscosmos State Corporation | Soyuz-U |
| Cosmos 2360 | July 28, 1998 | — | Zenit-2 |
| PSN 5 | July 18, 1998 | PT Pasifik Satelit Nusantara | Long March 3B |
| FASAT-B | July 10, 1998 | — | Zenit-2 |
| Gurwin-II TechSat | July 10, 1998 | Technion – Israel Institute of Technology | Zenit-2 |
| Resurs-O 1 N4 | July 10, 1998 | — | Zenit-2 |
| TMSAT | July 10, 1998 | — | Zenit-2 |