| Por. | Dátum | Rok | Raketa | Náklad | Kozmodróm | Rampa | Poznámka |
| 1 | 7.1. | 1998 | Athena 2 | Lunar Prospector (Discovery 3, Celestis 2) | Cape Canaveral | SLC-46 | |
| 2 | 10.1. | 1998 | Delta 7925 | Skynet 4D | Cape Canaveral | LC-17B | |
| 3 | 22.1. | 1998 | Shavit 1 | Ofeq 4 | Palmachim | | |
| 4 | 23.1. | 1998 | STS | Endeavour STS-89 (Endeavour F12, SMM-08) | Cape Canaveral | LC-39A | |
| 5 | 29.1. | 1998 | Sojuz U | Sojuz TM-27 (7K-STM 76) | Bajkonur | LC-1/5 | |
| 6 | 29.1. | 1998 | Atlas IIA | Quasar 12 (SDS-2 5, USA 137, NROL 5) | Cape Canaveral | LC-36A | |
| 7 | 4.2. | 1998 | Ariane 44LP -3 | Inmarsat-3 F5 (Inmarsat I-3 F5), Brasilsat B3 | Kourou | ELA-2 | |
| 8 | 5.2. | 1998 | SS-520 | ENA, EPS, LAP | Kagošima Učú Sentá | LP-KS | suborbital |
| 9 | 10.2. | 1998 | Taurus 2210 | GFO, Orbcomm FM03, Orbcomm FM04, Celestis 03 | Vandenberg | LC-576E | |
| 10 | 14.2. | 1998 | Delta 7420 | Globalstar 1, Globalstar 4, Globalstar 2, Globalstar 3 | Cape Canaveral | LC-17A | |
| 11 | 17.2. | 1998 | Sojuz U | Kosmos 2349 (Yantar-1KFT 19, Kometa 19) | Bajkonur | LC-31/6 | |
| 12 | 18.2. | 1998 | Delta 7920 | Iridium 52, Iridium 56, Iridium 54, Iridium 50, Iridium 53 | Vandenberg | SLC-2W | |
| 13 | 21.2. | 1998 | H II | Kakehashi (COMETS) | Tanegašima Učú Sentá | YLP-1 | |
| 14 | 26.2. | 1998 | Pegasus XL | SNOE (STEDI 1, Explorer 72), BATSAT (Teledesic T1) | Vandenberg | RW30/12 | L-1011 |
| 15 | 27.2. | 1998 | Ariane 42P -3 | Hotbird 4 (Nilesat 103, Atlantic Bird 4, Eurobird 16, Eutelsat 16B) | Kourou | ELA-2 | |
| 16 | 28.2. | 1998 | Atlas IIAS | Intelsat 806 (NSS 806) | Cape Canaveral | LC-36B | |
| 17 | 14.3. | 1998 | Sojuz U | Progress M-38 (7K-TGM 240), VDU 2 | Bajkonur | LC-1/5 | |
| 18 | 16.3. | 1998 | Atlas II | UFO 8 (UHF-FO 8, GBS 8, USA 138) | Cape Canaveral | LC-36A | |
| 19 | 24.3. | 1998 | Ariane 40 -3 | SPOT 4 | Kourou | ELA-2 | |
| 20 | 25.3. | 1998 | CZ 2C (2) SD | Iridium 51, Iridium 61 | Tchaj-juan | LC-7 | |
| 21 | 30.3. | 1998 | Delta 7920 | Iridium 55, Iridium 57, Iridium 58, Iridium 59, Iridium 60 | Vandenberg | SLC-2W | |
| 22 | 2.4. | 1998 | Pegasus XL | TRACE (SMEX 4, Explorer 73) | Vandenberg | RW30/12 | L-1011 |
| 23 | 7.4. | 1998 | Proton K/DM2 | Iridium 62, Iridium 63, Iridium 64, Iridium 65, Iridium 66, Iridium 67, Iridium 68 | Bajkonur | LC-81/23 | |
| 24 | 15.4. | 1998 | Dnepr 1 | - | Bajkonur | LC-109/95 | suborbital |
| 25 | 17.4. | 1998 | STS | Columbia STS-90 (Columbia F25, Spacelab Neurolab) | Cape Canaveral | LC-39B | |
| 26 | 24.4. | 1998 | Delta 7420 | Globalstar 14, Globalstar 6, Globalstar 15, Globalstar 8 | Cape Canaveral | LC-17A | |
| 27 | 28.4. | 1998 | Ariane 44P -3 | Nilesat 101, BSat 1b | Kourou | ELA-2 | |
| 28 | 29.4. | 1998 | Proton K/DM-2 | Kosmos 2350 (US-KMO 4) | Bajkonur | LC-200/39 | |
| 29 | 2.5. | 1998 | CZ 2C (2) SD | Iridium 69, Iridium 71 | Tchaj-juan | LC-7 | |
| 30 | 7.5. | 1998 | Molnyja M (Blok-2BL) | Kosmos 2351 (US-K 79, Oko 83) | Pleseck | LC-16/2 | |
| 31 | 7.5. | 1998 | Proton K/DM3 | EchoStar 4 | Bajkonur | LC-81/23 | |
| 32 | 9.5. | 1998 | Titan 4B Centaur-T | Orion 4 (RIO 4, Mission 7608 ?, USA 139, NROL 6) | Cape Canaveral | SLC-40 | |
| 33 | 13.5. | 1998 | Titan 2(23)G Star-37XFP-ISS | NOAA 15 (NOAA K) | Vandenberg | SLC-4W | |
| 34 | 14.5. | 1998 | Sojuz U | Progress M-39 (7K-TGM 238) | Bajkonur | LC-1/5 | |
| 35 | 17.5. | 1998 | Delta 7920 | Iridium 70, Iridium 72, Iridium 73, Iridium 74, Iridium 75 | Vandenberg | SLC-2W | |
| 36 | 30.5. | 1998 | CZ 3B | Zhongwei 1 (ChinaStar 1, ZX 5A, ChinaSat 5A, APStar 9A) | Si-Čchang | LC-2 | |
| 37 | 2.6. | 1998 | STS | Discovery STS-91 (Discovery F24, SMM-09) | Cape Canaveral | LC-39A | |
| 38 | 11.6. | 1998 | Delta 7925 | Thor 3 | Cape Canaveral | LC-17A | |
| 39 | 15.6. | 1998 | Cyklon 3 | Kosmos 2352, Kosmos 2353, Kosmos 2354, Kosmos 2355, Kosmos 2356, Kosmos 2357 | Pleseck | LC-32/1 | |
| 40 | 18.6. | 1998 | Atlas IIAS | Intelsat 805 | Cape Canaveral | LC-36A | |
| 41 | 24.6. | 1998 | Sojuz U | Kosmos 2358 (Yantar-4K2 79, Kobalt 79) | Pleseck | LC-43/3 | |
| 42 | 25.6. | 1998 | Sojuz U | Kosmos 2359 (Yantar-4KS1M 8, Neman 8) | Bajkonur | LC-31/6 | |
| 43 | 1.7. | 1998 | Molnyja M (Blok-ML) | Molnyja-3 49 (Molnyja-3 61L) | Pleseck | LC-43/3 | |
| 44 | 3.7. | 1998 | M 5 | Nozomi (Planet-B) | Kagošima Učú Sentá | LP-M | |
| 45 | 7.7. | 1998 | Štiľ 1 | Tubsat N, Tubsat N1, Shtil 1 | Bárentsovo more | K-407 (Novomoskovsk) | 69,5N - 34,2E |
| 46 | 10.7. | 1998 | Zenit 2 | Resurs-O1 2, TMSat 1, Techsat 1B, FASat Bravo, Safir 2, WESTPAC 1 | Bajkonur | LC-45/1 | |
| 47 | 18.7. | 1998 | CZ 3B | Sinosat 1 (Xinnuo 1, Intelsat-APR 1, ZX 5B, ChinaSat 5B, PSN 5) | Si-Čchang | LC-2 | |
| 48 | 28.7. | 1998 | Zenit 2 | Kosmos 2360 (Tselina-2 20) | Bajkonur | LC-45/1 | |
| 49 | 2.8. | 1998 | Pegasus XL HAPS | Orbcomm FM17, Orbcomm FM18, Orbcomm FM19, Orbcomm FM20, Orbcomm FM16, Orbcomm FM15, Orbcomm FM14, Orbcomm FM13 | Wallops Island | RW04/22 | L-1011 |
| 50 | 12.8. | 1998 | Titan 4A Centaur-T | Mercury 16 (Mission 7516, NROL 7) | Cape Canaveral | SLC-41 | |