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Expendable LV's

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   Delta IV - Specifications
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Vehicle Overview

Note:  Payload performance and estimated cost provided for information only.   If you are interested in contracting for launch services, we recommend that you contact the service provider directly using the information above.

  GTO Payload*
(ETR)
ETR* Reference Orbit Estimated Launch Price Configuration Launch Mass
Delta IVM 8,600 lb
3,900 kg
14,900 lb
6,760 kg
US $70 M Core
+ 4m Fairing
349,140 lb
158,340 kg
Delta IVM+ (4,2) 11,700 lb
5,300 kg
20,000 lb
9,070 kg
US $90 M Core
+ 2 GEMS
+ 4m Fairing
377,990 lb
171,420 kg
Delta IVM+ (5,2) 9,600 lb
4,350 kg
17,300 lb
7,850 kg
US $80 M Core
+ 2 GEMS
+ 5m Fairing
522,190 lb
231,670 kg
Delta IVM+ (5,4) 13,500 lb
6,120 kg
22,700 lb
10,300 kg
US $100 M Core
+ 4 GEMS
+ 5m Fairing
522,190 lb
231,670 kg
Delta IVH 27,400 lb
12,400 kg
45,200 lb
20,500 kg
US $140 M Core
+ 2 Core Boosters
+ 5m Fairing
522,190 lb
231,670 kg

* Performance from Boeing Delta IV Payload User's Guide.

Vehicle Configuration

  Solid Strap-Ons Stage 1
(Common Core)
Stage 2
(4-m Fairing)
Stage 2
(5-m Fairing)
Length 50 ft
15.2 m
120 ft
36.6 m
40 ft
12.2 m
45 ft
13.7 m
Diameter 5.0 ft
1.52 m
16.8 ft
5.13 m
8.0 ft
4.0 m
16.7 ft
5.1 m
Gross Mass (Non-TVC / TVC)
41,990 / 42,500 lb
19,082 / 19,327 kg
480,750 lb
218,030 kg
51,000 lb
23,130 kg
68,000 lb
30,840 kg
Propellant
   Propellant Mass
HTPB
37,500 lb
17,045 kg
LOX / LH2
440,000 lb
200,000 kg
LOX / LH2
45,000 lb
24,410 kg
LOX / LH2
60,000 lb
27,200 kg
Engine**
   Thrust
   Isp
GEM - 60
(ground lit / air lit)
136.7 / 141.3 klbf
606.1 / 626.5 kN
273.8 sec
RS-68
650,000 lbf SL
2,886.0 kN SL
365 sec SL
RL-10B-2
24,750 lbf
110,094 N
462.4 sec
RL-10B-2
24,750 lbf
110,094 N
462.4 sec
Number of Engines 0 - 4 1 1 1
Nominal Burn Time 78 sec 249 sec 850 sec 1125 sec

** Note:  Vacuum engine performance unless otherwise specified. 


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