CZ-7 _ CZ-7A

China (PR)


Description:


  • The CZ-7 is China’s new-generation medium-lift orbital launcher developed by China Academy of Launch Vehicle Technology (CALT). The development of the launch vehicle began in May 2010. The first flight of the launcher is scheduled for April 2016 from the newly built Hainan Space Launch Centre. The CZ-7 will initially be used for the launch of the Tianzhou cargo resupply vehicle, but will eventually succeed all CZ-2, -3 and -4 families of launch vehicles currently in use.
  • The CZ-7 was originally developed as the CZ-2F/H, a modernised version of the CZ-2F, for both unmanned and manned flight missions in the China Manned Space Programme. The project later evolved into a new medium-lift launch vehicle incorporated with the technologies developed for the new-generation heavy-lift launcher to fit the payload capacity gap between the small-load CZ-6 and the heavy-lift CZ-5.
  • It is estimated that over the next two decades 80% of future Chinese orbital launch requirements will be medium-weight payloads, i.e. heavy telecommunications and Earth-observation satellites, and regular manned spacecraft and cargo vehicle trips to the space station. Existing Chinese space launchers are mostly in the lower-end of this class, offering limited payload capacity and also burning highly toxic and environmentally damaging N2O4/UDMH propellant. There is a requirement for a new-generation medium-lift space launcher system that offers safety, reliability, flexibility, and economy.

Technical Data:

Design Features -
Core Stages 2
Strap-on Boosters 4
Length 53.075 m
Diameter 3.35 m
Gross Mass 597 t
Lift-off Thrust 7200 kN
Payload Capacity 13.5 t (LEO) or 5.5 t (SSO)
First flight 25 June 2016
Launch centre Wenchang
Stage 1st Stage Strap-on boosters 2nd Stage
Length (m) 25.083 m 29.903 m 15.445 m
Diameter (m) 3.35 2.25 3.35
Mass (Gross) (kg) N/A N/A N/A
Engine 2x YF-100 1x YF-100 4x YF-115
Thrust (kN) 2400 kN (sea-level) 1200 kN (sea-level) 720 kN (vacuum)
Propellants LOX / Kerosene LOX / Kerosene LOX / Kerosene

Stage Payload fairing
Length (m) 12.5 m
Diameter (m) 4.2 m

CZ-7A

Since 2020, in addition to the base Long March 7 configuration, there is the Long March 7A (CZ-7A) variant which differs from the base CZ-7 by the addition of a liquid hydrogen-liquid oxygen third stage inherited from the third stage of the Long March 3B. The rocket has also been developed into the Long March 8 (using fewer boosters).


CZ-7

CZ-7

CZ-7A

CZ-7A


Launch List:


Type Nr Launch Vehicle Serial Nr Launch Date L.Time L. Site ID Year Payload Comment
1 CZ-7/YZ1   25/06/2016 12:00 Wenchang, LC201 2016-042 DFFC 1e launch
1 CZ-7  20/04/2017 11:41 We, LC-2 2017-021 Tianzhou 1 (TZ 1) 1e launch
1 CZ-7A Y116/03/2020 13:34 We, LC-2 2020-F02 XJS 6 1e launch
2 CZ-7AY211/03/2021 17:51:28 We, LC-2 2021-019 Shiyuan 9 
2 CZ-7Y329/05/2021 12:55:29 We, LC-2 2021-046 Tianzhou 2?(TZ 2) 
3 CZ-7Y420/09/2021 07:10:11 We, LC-2 2021-085 Tianzhou 3?(TZ 3) 
3 CZ-7AY323/12/2021 10:12 We, LC-2 2021-129 Shiyan 12-01/02 
4 CZ-7Y59/05/2022 17:56:37 We, LC-2 2022-050 Tianzhou 4 (TZ 4) 
4 CZ-7AY513/09/2022 13:18 We, LC-2 2022-112 FH 2E (ZX 1E, ChinaSat 1E) 
5 CZ-7Y612/11/2022 02:03:12 We, LC-2 2022-152 Tianzhou 5 
5 CZ-7AY48/01/2023 22:00 We, LC-2 2023-002 Shijian 23 
6 CZ-7Y710/05/2023 13:22:51 We, LC-2 2023-063 Tianzhou 6 (TZ 6) 
6 CZ-7AY63/11/2023 14:54 We, LC-2 2023-169 TJS-10 
7 CZ-7Y817/01/2024 14:27:30 We, LC-2 2024-013 Tianzhou 7 (TZ 7)< 
7 CZ-7AY829/06/2024 11:57 We, LC-2 2024-122 ZX 3A (ChinaSat 3A) 
8 CZ-7AY922/08/2024 12:25 We, LC-2 2024-151 ZX 4A (ChinaSat 4A) 
8 CZ-7Y915/11/2024 15:13:18 Wenchang, LC-2 2024-211 Tianzhou 8 
9 CZ-7AY1129/03/2025 16:05 We, LC-2 2025-064 TJS 16 
10 CZ-7AY1520/05/2025 11:50 We, LC-2 2025-106 ZX 3B (ChinaSat 3B) 
9 CZ-7Y1014/07/2025 21:34 We, LC-2 2025-149 Tianzhou 9 (TZ 9) 
11 CZ-7AY149/09/2025 02:00 We, LC-2 2025-202 Yaogan 45 (Yg 45) 
12 CZ-7AY133/11/2025 03:47 We, LC-2 2025-250 Yaogan 46 (YG 46) 
13 CZ-7AY1030/11/2025 12:20 We, LC-2 2025-277 Shijian-28 
14 CZ-7AY-730/12/2025 22:40 We, LC-2 2025-315 Shijian 29-A/B 

Note: - All launches from Taiyuan (TSLC)
- All "Launch Date" and "L. Time" are in UTC time.

External links:


Ref.: #98, #233, #263 - update: 11.02.2026 Home