Delta family

Delta II

RetiredUnited States United Launch AllianceSpec: 7925

Delta II is an American space launch system developed by McDonnell Douglas, now part of the Delta rocket family operated by United Launch Alliance. With more than 150 missions and a nearly perfect track record, Delta II has established itself as one of the most successful orbital launch systems.

Flights flown155

Success rate98.7%153/155

Maiden flight1990-11-26

Peak year199812 flights

Delta II is built by United Launch Alliance of the United States. Company background, funding, contracts and news for this operator are tracked on Space Index. It first flew on 14 February 1989 and last flew on 15 September 2018.

Flight record

155 records

98.7% success rate153 of 155 flown · 2 failed

1989peak 1998 · 12 flights2018

First flight1989-02-14

Latest flight2018-09-15

Failures2

Consecutive successes5

Fastest turnaround8d 22h

Payload

Per mission profile

Geostationary transfer orbit	1,840kg
Launch cost	$51M

Vehicle

7925 spec

Stages	3
Length	38.9m
Diameter	2.4m
Launch mass	232t
Maiden flight	1990-11-26
Reusable	No

Variant lineage

24 configurations

Each configuration of Delta II is tracked separately upstream. The specifications above describe Delta II 7925 only: the canonical configuration, chosen as the active one, or the most-flown where none is active. They are not a blend across the family. The flight record below covers every Delta II flight.

Configuration	LL2 launches	LEO kg	Maiden	Status
Delta II 7925	36		1990-11-26	Retired
Delta II 7925-9.5	26		1998-01-10	Retired
Delta II 7920-10C	17	5,959	1997-05-05	Retired
Delta II 7420-10C	14	3,099	1998-02-14	Retired
Delta II 6925	13	3,981	1989-02-14	Retired
Delta II 7920-10	9	5,959	1995-11-04	Retired
Delta II 7320-10C	6	2,800	2004-11-20	Retired
Delta II 7320	6	2,800	1999-06-24	Retired
Delta II 7925H-9.5	3		2003-07-08	Retired
Delta II 7326-9.5	3		1998-10-24	Retired
Delta II 7425-9.5	3		1998-12-11	Retired
Delta II 7925-10L	2		2006-10-26	Retired
Delta II 7920H-10C	2	5,959	2008-03-15	Retired
Delta II 6920-10	2		1990-06-01	Retired
Delta II 7920-10L	2		2002-05-04	Retired
Delta II 7925-10	2		1994-11-01	Retired
Delta II 7925-8	2		1994-02-19	Retired
Delta II 7920H	1	5,959	2003-08-25	Retired
Delta II 7925-10C	1		2007-02-17	Retired
Delta II 6920-8	1		1990-02-14	Retired
Delta II 6925-8	1	1,500	1990-04-13	Retired
Delta II 7425-10	1		2001-06-30	Retired
Delta II 7426-9.5	1		1999-02-07	Retired
Delta II 7920-8	1		1997-08-25	Retired

Pads used

3 pads

Space Launch Complex 17A60 Space Launch Complex 17B50 Space Launch Complex 2W45

Orbits delivered

13 orbits

Medium Earth Orbit50Low Earth Orbit41Geostationary Orbit20Heliocentric N/A13Sun-Synchronous Orbit12Elliptical Orbit4Heliocentric L13Polar Orbit2Asteroid1Geostationary Transfer Orbit1High Earth Orbit1Mars Orbit1Sun-Earth L21

Launch history

155 launches

Date	Mission	Pad	Orbit	Outcome
2018-09-15	Delta II 7420-10 \| ICESat-2	Space Launch Complex 2W	Sun-Synchronous Orbit	Success
2017-11-18	Delta II 7920-10 \| JPSS 1 (Joint Polar Satellite System spacecraft No. 1)	Space Launch Complex 2W	Sun-Synchronous Orbit	Success
2015-01-31	Delta II 7320-10C \| SMAP, FIREBIRD II A, FIREBIRD II B, GRIFEX, ExoCube	Space Launch Complex 2W	Sun-Synchronous Orbit	Success
2014-07-02	Delta II 7320-10C \| OCO-2	Space Launch Complex 2W		Success
2011-10-28	Delta II 7920-10C \| NPP	Space Launch Complex 2W		Success
2011-09-10	Delta II 7920H-10C \| GRAIL-A (Ebb) & GRAIL-B (Flow)	Space Launch Complex 17B		Success
2011-06-10	Delta II 7320 \| SAC-D	Space Launch Complex 2W		Success
2010-11-06	Delta II 7420-10 \| COSMO-SkyMed 4	Space Launch Complex 2W		Success
2009-12-14	Delta II 7320-10C \| WISE	Space Launch Complex 2W	Low Earth Orbit	Success
2009-10-08	Delta II 7920-10C \| WorldView-2	Space Launch Complex 2W	Low Earth Orbit	Success
2009-09-25	Delta II 7920-10C \| STSS-DEMO/GMD	Space Launch Complex 17B	Low Earth Orbit	Success
2009-08-17	Delta II 7925 \| GPS IIR-M-8 (USA-206)	Space Launch Complex 17A	Medium Earth Orbit	Success
2009-05-05	Delta II 7920-10C \| STSS-ATRR/GMD (USA-205)	Space Launch Complex 2W	Low Earth Orbit	Success
2009-03-24	Delta II 7925-9.5 \| GPS IIR-M-7 (USA-203)	Space Launch Complex 17A	Medium Earth Orbit	Success
2009-03-07	Delta II 7925-10L \| Kepler	Space Launch Complex 17B	Heliocentric N/A	Success
2009-02-06	Delta II 7320-10C \| NOAA-19 (NOAA N)	Space Launch Complex 2W	Sun-Synchronous Orbit	Success
2008-10-25	Delta II 7420-10 \| COSMO-Skymed 3	Space Launch Complex 2W	Sun-Synchronous Orbit	Success
2008-09-06	Delta II 7420-10 \| GeoEye-1	Space Launch Complex 2W	Low Earth Orbit	Success
2008-06-20	Delta II 7320 \| Jason-2	Space Launch Complex 2W	Low Earth Orbit	Success
2008-06-11	Delta II 7920H-10C \| GLAST	Space Launch Complex 17B	Low Earth Orbit	Success
2008-03-15	Delta II 7925-9.5 \| GPS IIR-M-6 (USA-201)	Space Launch Complex 17A	Medium Earth Orbit	Success
2007-12-20	Delta II 7925-9.5 \| GPS IIR-M-5 (USA-199)	Space Launch Complex 17A	Medium Earth Orbit	Success
2007-12-09	Delta II 7420-10 \| COSMO-SkyMed 2	Space Launch Complex 2W	Sun-Synchronous Orbit	Success
2007-10-17	Delta II 7925-9.5 \| GPS IIR-M-4 (USA-196)	Space Launch Complex 17A	Medium Earth Orbit	Success
2007-09-27	Delta II 7925H-9.5 \| Dawn	Space Launch Complex 17B	Heliocentric N/A	Success
2007-09-18	Delta II 7920-10 \| WorldView-1	Space Launch Complex 2W	Sun-Synchronous Orbit	Success
2007-08-04	Delta II 7925 \| Phoenix	Space Launch Complex 17A	Heliocentric N/A	Success
2007-06-08	Delta II 7420-10 \| COSMO-SkyMed 1	Space Launch Complex 2W	Sun-Synchronous Orbit	Success
2007-02-17	Delta II 7925-10C \| THEMIS	Space Launch Complex 17B	Elliptical Orbit	Success
2006-12-14	Delta II 7920-10 \| NROL-21	Space Launch Complex 2W	Low Earth Orbit	Success
2006-11-17	Delta II \| GPS IIR-16(M)	Space Launch Complex 17A	Medium Earth Orbit	Success
2006-10-26	Delta II \| STEREO A & B	Space Launch Complex 17B	Heliocentric N/A	Success
2006-09-25	Delta II \| GPS IIR-15(M)	Space Launch Complex 17A	Medium Earth Orbit	Success
2006-06-21	Delta II \| MITEx	Space Launch Complex 17A	Geostationary Orbit	Success
2006-04-28	Delta 7420-10C \| Cloudsat	Space Launch Complex 2W	Medium Earth Orbit	Success
2005-09-26	Delta II \| GPS IIR-14(M)	Space Launch Complex 17A	Medium Earth Orbit	Success
2005-05-20	Delta II \| NOAA 18	Space Launch Complex 2W	Sun-Synchronous Orbit	Success
2005-01-12	Delta II \| Deep Impact (DIF)	Space Launch Complex 17B	Asteroid	Success
2004-11-20	Delta II \| Swift	Space Launch Complex 17A	Low Earth Orbit	Success
2004-11-06	Delta II \| GPS IIR-13	Space Launch Complex 17B	Medium Earth Orbit	Success
2004-08-03	Delta II \| Messenger	Space Launch Complex 17B	Low Earth Orbit	Success
2004-07-15	Delta 7920-10L \| Aura	Space Launch Complex 2W	Sun-Synchronous Orbit	Success
2004-06-23	Delta II \| GPS IIR-12	Space Launch Complex 17B	Medium Earth Orbit	Success
2004-04-20	Delta II \| Gravity Probe B	Space Launch Complex 2W	Low Earth Orbit	Success
2004-03-20	Delta II \| GPS IIR-11	Space Launch Complex 17B	Medium Earth Orbit	Success
2003-12-21	Delta II \| GPS IIR-10	Space Launch Complex 17A	Medium Earth Orbit	Success
2003-08-25	Delta II \| Spitzer Space Telescope	Space Launch Complex 17B	Heliocentric N/A	Success
2003-07-08	Delta II \| Opportunity Rover	Space Launch Complex 17B	Heliocentric N/A	Success
2003-06-10	Delta II \| Spirit Rover	Space Launch Complex 17A	Mars Orbit	Success
2003-03-31	Delta II \| GPS IIR-9	Space Launch Complex 17A	Medium Earth Orbit	Success
2003-01-29	Delta II \| GPS IIR-8	Space Launch Complex 17B	Medium Earth Orbit	Success
2003-01-13	Delta II \| Icesat	Space Launch Complex 2W	Polar Orbit	Success
2002-07-03	Delta 7425-9.5 \| Contour	Space Launch Complex 17A	Sun-Synchronous Orbit	Success
2002-05-04	Delta 7920-10L \| Aqua	Space Launch Complex 2W	Low Earth Orbit	Success
2002-02-11	Delta II \| Iridium 91	Space Launch Complex 2W	Low Earth Orbit	Success
2001-12-07	Delta II \| Jason	Space Launch Complex 2W	High Earth Orbit	Success
2001-10-18	Delta II \| QuickBird 2	Space Launch Complex 2W	Low Earth Orbit	Success
2001-08-08	Delta 7326-9.5 \| Genesis	Space Launch Complex 17A	Heliocentric L1	Success
2001-06-30	Delta 7425-10 \| WMAP	Space Launch Complex 17B	Sun-Earth L2	Success
2001-05-18	Delta II \| NROL-17	Space Launch Complex 17B	Geostationary Transfer Orbit	Success
2001-04-07	Delta II \| Mars Odyssey	Space Launch Complex 17A	Sun-Synchronous Orbit	Success
2001-01-30	Delta II \| GPS IIR-7	Space Launch Complex 17A	Medium Earth Orbit	Success
2000-11-21	Delta II \| EO 1 & SAC C	Space Launch Complex 2W	Polar Orbit	Success
2000-11-10	Delta II \| GPS IIR-6	Space Launch Complex 17A	Medium Earth Orbit	Success
2000-07-16	Delta II \| GPS IIR-5	Space Launch Complex 17A	Medium Earth Orbit	Success
2000-05-11	Delta II \| GPS IIR-4	Space Launch Complex 17A	Medium Earth Orbit	Success
2000-03-25	Delta 7326-9.5 \| IMAGE	Space Launch Complex 2W	Elliptical Orbit	Success
2000-02-08	Delta 7420-10C \| Globalstar 60,62,63,64	Space Launch Complex 17B	Low Earth Orbit	Success
1999-10-07	Delta II \| GPS IIR-3	Space Launch Complex 17A	Medium Earth Orbit	Success
1999-08-17	Delta 7420-10C \| Globalstar 24,27,53,54	Space Launch Complex 17B	Low Earth Orbit	Success
1999-07-25	Delta 7420-10C \| Globalstar 26,28,43,48	Space Launch Complex 17A	Low Earth Orbit	Success
1999-07-10	Delta 7420-10C \| Globalstar 30,32,35,41	Space Launch Complex 17B	Low Earth Orbit	Success
1999-06-24	Delta II \| FUSE	Space Launch Complex 17A	Low Earth Orbit	Success
1999-06-10	Delta 7420-10C \| Globalstar 25,47,49,52	Space Launch Complex 17B	Low Earth Orbit	Success
1999-04-15	Delta II \| Landsat 7	Space Launch Complex 2W	Low Earth Orbit	Success
1999-02-23	Delta II \| ARGOS	Space Launch Complex 2W	Low Earth Orbit	Success
1999-02-07	Delta 7426-9.5 \| Stardust	Space Launch Complex 17A	Heliocentric N/A	Success
1999-01-03	Delta 7425-9.5 \| Mars Polar Lander	Space Launch Complex 17B	Heliocentric N/A	Success
1998-12-11	Delta 7425-9.5 \| Mars Climate Orbiter	Space Launch Complex 17A	Heliocentric N/A	Success
1998-11-22	Delta II \| BONUM-1	Space Launch Complex 17B	Geostationary Orbit	Success
1998-11-06	Delta II \| Iridium 83 to 87	Space Launch Complex 2W	Low Earth Orbit	Success
1998-10-24	Delta 7326-9.5 \| Deep Space 1	Space Launch Complex 17A	Heliocentric N/A	Success
1998-09-08	Delta II \| Iridium 77, 79 to 82	Space Launch Complex 2W	Low Earth Orbit	Success
1998-06-10	Delta II \| Thor III	Space Launch Complex 17A	Geostationary Orbit	Success
1998-05-17	Delta II \| Iridium 70, 72 to 75	Space Launch Complex 2W	Low Earth Orbit	Success
1998-04-24	Delta 7420-10C \| Globalstar 6, 8, 14, 15	Space Launch Complex 17A	Low Earth Orbit	Success
1998-03-30	Delta II \| Iridium 55 to 60	Space Launch Complex 2W	Low Earth Orbit	Success
1998-02-18	Delta II \| Iridium 50, 52, 53, 54, 56	Space Launch Complex 2W	Low Earth Orbit	Success
1998-02-14	Delta 7420-10C \| Globalstar 1 to 4	Space Launch Complex 17A	Low Earth Orbit	Success
1998-01-10	Delta II \| Skynet 4D	Space Launch Complex 17B	Geostationary Orbit	Success
1997-12-20	Delta II \| Iridium 45 to 49	Space Launch Complex 2W	Low Earth Orbit	Success
1997-11-09	Delta II \| Iridium 38 to 43	Space Launch Complex 2W	Low Earth Orbit	Success
1997-11-06	Delta II \| GPS IIA-19	Space Launch Complex 17A	Medium Earth Orbit	Success
1997-09-27	Delta II \| Iridium 34 to 37 & 19	Space Launch Complex 2W	Low Earth Orbit	Success
1997-08-25	Delta 7920-8 \| ACE	Space Launch Complex 17A	Heliocentric L1	Success
1997-08-21	Delta II \| Iridium 22 to 26	Space Launch Complex 2W	Low Earth Orbit	Success
1997-07-23	Delta II \| GPS IIR-2	Space Launch Complex 17A	Medium Earth Orbit	Success
1997-07-09	Delta II \| Iridium 15	Space Launch Complex 2W	Low Earth Orbit	Success
1997-05-20	Delta II \| Thor II	Space Launch Complex 17A	Geostationary Orbit	Success
1997-05-05	Delta II \| Iridium 04 to 08	Space Launch Complex 2W	Low Earth Orbit	Success
1997-01-17	Delta II \| GPS IIR-1	Space Launch Complex 17A	Medium Earth Orbit	Failure
1996-12-04	Delta II \| Mars Pathfinder	Space Launch Complex 17B	Heliocentric N/A	Success
1996-11-07	Delta II \| Mars Global Surveyor	Space Launch Complex 17A	Heliocentric N/A	Success
1996-09-12	Delta II \| GPS IIA-18	Space Launch Complex 17A	Medium Earth Orbit	Success
1996-07-16	Delta II \| GPS IIA-17	Space Launch Complex 17A	Medium Earth Orbit	Success
1996-05-24	Delta II \| Galaxy 9	Space Launch Complex 17B	Geostationary Orbit	Success
1996-04-24	Delta II \| MSX	Space Launch Complex 2W	Low Earth Orbit	Success
1996-03-28	Delta II \| GPS IIA-16	Space Launch Complex 17B	Medium Earth Orbit	Success
1996-02-24	Delta 7925-10 \| Polar	Space Launch Complex 2W	Elliptical Orbit	Success
1996-02-17	Delta 7925-8 \| NEAR Shoemaker	Space Launch Complex 17B	Heliocentric N/A	Success
1996-01-14	Delta II \| Mugunghwa 2	Space Launch Complex 17B	Geostationary Orbit	Success
1995-12-30	Delta II \| Rossi X-ray Timing Explorer	Space Launch Complex 17A	Low Earth Orbit	Success
1995-11-04	Delta II \| Radarsat	Space Launch Complex 2W	Low Earth Orbit	Success
1995-08-05	Delta II \| Mugunghwa 1	Space Launch Complex 17B	Geostationary Orbit	Failure
1994-11-01	Delta 7925-10 \| Wind	Space Launch Complex 17B	Heliocentric L1	Success
1994-03-10	Delta II \| GPS IIA-15	Space Launch Complex 17A	Medium Earth Orbit	Success
1994-02-19	Delta 7925-8 \| Galaxy 1R2	Space Launch Complex 17B	Geostationary Orbit	Success
1993-12-08	Delta II \| NATO 4B	Space Launch Complex 17A	Geostationary Orbit	Success
1993-10-26	Delta II \| GPS IIA-14	Space Launch Complex 17B	Medium Earth Orbit	Success
1993-08-30	Delta II \| GPS IIA-13	Space Launch Complex 17B	Medium Earth Orbit	Success
1993-06-26	Delta II \| GPS IIA-12	Space Launch Complex 17A	Medium Earth Orbit	Success
1993-05-13	Delta II \| GPS IIA-11	Space Launch Complex 17A	Medium Earth Orbit	Success
1993-03-30	Delta II \| GPS IIA-10	Space Launch Complex 17A	Medium Earth Orbit	Success
1993-02-03	Delta II \| GPS IIA-9	Space Launch Complex 17A	Medium Earth Orbit	Success
1992-12-18	Delta II \| GPS IIA-8	Space Launch Complex 17B	Medium Earth Orbit	Success
1992-11-22	Delta II \| GPS IIA-7	Space Launch Complex 17A	Medium Earth Orbit	Success
1992-10-12	Delta II \| DFS-Kopernikus 3	Space Launch Complex 17B	Geostationary Orbit	Success
1992-09-09	Delta II \| GPS IIA-6	Space Launch Complex 17A	Medium Earth Orbit	Success
1992-08-31	Delta II \| Satcom C4	Space Launch Complex 17B	Geostationary Orbit	Success
1992-07-24	Delta 6925 \| Geotail & DUVE	Space Launch Complex 17A	Elliptical Orbit	Success
1992-07-07	Delta II \| GPS IIA-5	Space Launch Complex 17B	Medium Earth Orbit	Success
1992-06-07	Delta 6920-10 \| EUVE	Space Launch Complex 17A	Low Earth Orbit	Success
1992-05-14	Delta II \| Palapa B4	Space Launch Complex 17B	Geostationary Orbit	Success
1992-04-10	Delta II \| GPS IIA-4	Space Launch Complex 17B	Medium Earth Orbit	Success
1992-02-23	Delta II \| GPS IIA-3	Space Launch Complex 17B	Medium Earth Orbit	Success
1991-07-04	Delta II \| GPS IIA-2	Space Launch Complex 17A	Medium Earth Orbit	Success
1991-05-29	Delta II \| Satcom C5	Space Launch Complex 17B	Geostationary Orbit	Success
1991-04-13	Delta II \| ASC 2	Space Launch Complex 17B	Geostationary Orbit	Success
1991-03-08	Delta 6925 \| INMARSAT II F-2	Space Launch Complex 17B	Geostationary Orbit	Success
1991-01-08	Delta II \| NATO 4A	Space Launch Complex 17B	Geostationary Orbit	Success
1990-11-26	Delta II \| GPS IIA-1	Space Launch Complex 17A	Medium Earth Orbit	Success
1990-10-30	Delta 6925 \| INMARSAT II F-1	Space Launch Complex 17B	Geostationary Orbit	Success
1990-10-01	Delta 6925 \| GPS-2 9	Space Launch Complex 17A	Medium Earth Orbit	Success
1990-08-18	Delta 6925 \| Marcopolo 2	Space Launch Complex 17B	Geostationary Orbit	Success
1990-08-02	Delta 6925 \| GPS-2 8	Space Launch Complex 17A	Medium Earth Orbit	Success
1990-06-01	Delta 6920-10 \| ROSAT	Space Launch Complex 17A	Low Earth Orbit	Success
1990-04-13	Delta 6925-8 \| Palapa B2R	Space Launch Complex 17B	Geostationary Orbit	Success
1990-03-26	Delta 6925 \| GPS-2 7	Space Launch Complex 17A	Medium Earth Orbit	Success
1990-02-14	Delta 6920-8 \| LACE & RME	Space Launch Complex 17B	Low Earth Orbit	Success
1990-01-24	Delta 6925 \| GPS-2 6	Space Launch Complex 17A	Medium Earth Orbit	Success
1989-12-11	Delta 6925 \| GPS-2 5	Space Launch Complex 17B	Medium Earth Orbit	Success
1989-10-21	Delta 6925 \| GPS-2 4	Space Launch Complex 17A	Medium Earth Orbit	Success
1989-08-18	Delta 6925 \| GPS-2 3	Space Launch Complex 17A	Medium Earth Orbit	Success
1989-06-10	Delta 6925 \| GPS-2 2	Space Launch Complex 17A	Medium Earth Orbit	Success
1989-02-14	Delta 6925 \| GPS-2 1	Space Launch Complex 17A	Medium Earth Orbit	Success

Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.

Further reading: Wikipedia · Operator page