Head to head

Ariane 64 vs Zenit-2

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

Ariane 64: 21,900 kg

Zenit-2: 13,740 kg

Side by side

6 comparable figures

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

Metric	Ariane 64	Zenit-2
Flights flown	3	35
Success rate	100%	82.9%
Payload to LEO (kg)	21,900	13,740
Length (m)	63	57
Diameter (m)	5.4	3.9
Stages	2	2

Ariane 64

Flight record

100% success rate3 of 3 flown

Maiden flight 2026-06-17. Still flying.

Zenit-2

Flight record

82.9% success rate29 of 35 flown · 6 failed

1985peak 1987 · 5 flights2004

Maiden flight 1985-04-13. Retired.

Ariane 64 is built by ArianeGroup of France (company profile on Space Index).Zenit-2 is built by Yuzhnoye Design Bureau of Ukraine.

Full specifications and the complete launch history for each: Ariane 64 · Zenit-2.

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