Compare · Rockets
Delta IV Heavy vs Kosmos 11K63
RANKED BY PAYLOAD TO LOW EARTH ORBIT
#10 VS #256
CHECKED 29 SEPT 2026
Side by side
Verdict
Delta IV Heavy ranks #10 of 311 on Payload to low Earth orbit (28,370 kg); Kosmos 11K63 ranks #256 (300 kg).
Rank 10 of 311 · leads
Payload to low Earth orbit
28,370 kg
Launches16
Success rate93.8%
Payload to GTO14,210 kg
First flight21 Dec 2004
Height72 m
Liftoff thrust8,674 kN
Launch mass733 t
Launch cost$350,000,000
ReusableNo
StatusRetired
Rank 256 of 311
Payload to low Earth orbit
300 kg
Launches126
Success rate93.7%
Payload to GTO—
First flight24 May 1966
Height31 m
Liftoff thrust—
Launch mass48 t
Launch cost—
ReusableNo
StatusRetired
Try another pair
More Delta IV Heavy matchups
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- Delta IV Heavy vs Starship V3
- Delta IV Heavy vs N1
- Delta IV Heavy vs Space Launch System Block 1
- Delta IV Heavy vs Energiya/Buran
- Delta IV Heavy vs Energiya
- Delta IV Heavy vs Falcon Heavy
- Delta IV Heavy vs New Glenn
- Delta IV Heavy vs Starship V2
- Delta IV Heavy vs Space Shuttle
- Delta IV Heavy vs Long March 5
- Delta IV Heavy vs Long March 5B
Source The Space Devs — Launch Library 2
Last checked 29 Sept 2026