Head to head

Atlas SLV-3 Agena D vs Rokot/Briz-KM

Two vehicles in the same payload class. Every figure below comes from the same two sources for both rockets, and a row appears only when both publish the input.

Payload to low Earth orbit

Relative

Atlas SLV-3 Agena D: 1,000 kg

Rokot/Briz-KM: 1,850 kg

Side by side

8 comparable figures

The highlighted value wins the row. Rows where neither direction is better, like length or stage count, highlight nothing.

Metric	Atlas SLV-3 Agena D	Rokot/Briz-KM
Flights flown	48	31
Success rate	91.7%	90.3%
Payload to LEO (kg)	1,000	1,850
Liftoff thrust (kN)	1,340	1,870
Length (m)	36	29
Diameter (m)	3	2.5
Launch mass (t)	155	107
Stages	2	3

Atlas SLV-3 Agena D

Flight record

91.7% success rate44 of 48 flown · 4 failed

1964peak 1966 · 24 flights1967

Maiden flight 1964-08-14. Retired.

Rokot/Briz-KM

Flight record

90.3% success rate28 of 31 flown · 3 failed

2000peak 2013 · 4 flights2019

Maiden flight 2000-05-16. Still flying.

Atlas SLV-3 Agena D is built by Convair of the United States.Rokot/Briz-KM is built by Russian Aerospace Defence Forces of Russia (company profile on Space Index).

Full specifications and the complete launch history for each: Atlas SLV-3 Agena D · Rokot/Briz-KM.

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