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Launch Vehicles
Vehicle family profile

Long March 3

长征三号

Family-level launch record combining canonical variants, historical missions, public cadence forecasts, and available payload performance specs.

China Aerospace Science and Technology Corp. (CASC)Active
Admin
Variants
10
Canonical variants linked to this family.
Historical missions
176
Missions in the public mission table with actual launch dates.
Peak listed capacity
11,200 kg
Maximum payload capacity across listed variants and orbits.

Launch Cadence

Historical missions are grouped by actual launch year. Forecast cadence uses family-level launch-rate rows.

YearHistorical missionsForecast launches
2019120
202080
2021120
202240
202360
202480
2025150
202626
202706
202806
202906
203006
203106
203206
203306
203406
203506

Performance Specs

Payload capacity by variant and target orbit when structured capacity rows are available.

VariantOrbitCapacityAltitudeInclinationSource
Long March 3B
LEO11,200 kgUnknownUnknownWikipedia Long March 3B (citing CASC)
Long March 3B G3
GTO5,500 kgUnknownUnknownCNSA Long March 3B page copied from sibling Chang Zheng 3B row

Recent Missions

Latest launched missions using variants in this family.

MissionVariantLaunch
Shi Jian 31 Mission
Long March 3B
Jun 16, 2026
Launch 2026-F02
Long March 3B
Jan 16, 2026
FY4-03
Long March 3B G2
Dec 26, 2025
TJS 22

Variants

Canonical variants rolled up into this launch vehicle family.

VariantStagesMissionsStatus
Chang Zheng 3B G3Z
Not stated0Unknown
Long March 3
Not stated13Retired
Long March 3A
Not stated27Retired
Long March 3B
Not stated28Active
203606
203706
203806
203906
204006
204106

Forecast Location Split

1 launch location represented.

YearLocationLaunchesConfidenceBasis
2026Xichang Satellite Launch Center630%Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xic...
2027Xichang Satellite Launch Center630%Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xic...
2028Xichang Satellite Launch Center630%Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xic...
2029Xichang Satellite Launch Center630%Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xic...
2030Xichang Satellite Launch Center630%Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xic...
2031Xichang Satellite Launch Center630%Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xic...
2032Xichang Satellite Launch Center630%Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xic...
2033Xichang Satellite Launch Center630%Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xic...
2034Xichang Satellite Launch Center630%Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xic...
2035Xichang Satellite Launch Center630%Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xic...
2036Xichang Satellite Launch Center630%Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xic...
2037Xichang Satellite Launch Center630%Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xic...
2038Xichang Satellite Launch Center630%Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xic...
2039Xichang Satellite Launch Center630%Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xic...
2040Xichang Satellite Launch Center630%Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xic...
2041Xichang Satellite Launch Center630%Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xic...
Xichang Satellite Launch Center
2026 · 30% confidence
6

Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xichang; keep existing ...

Xichang Satellite Launch Center
2027 · 30% confidence
6

Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xichang; keep existing ...

Xichang Satellite Launch Center
2028 · 30% confidence
6

Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xichang; keep existing ...

Xichang Satellite Launch Center
2029 · 30% confidence
6

Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xichang; keep existing ...

Xichang Satellite Launch Center
2030 · 30% confidence
6

Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xichang; keep existing ...

Long March 3B G2
GTO5,500 kgUnknownUnknownCNSA Long March 3B page copied from sibling Chang Zheng 3B row
Long March 3B
GTO5,500 kgUnknownUnknownCNSA Long March 3B page
Long March 3B G5
GTO5,500 kgUnknownUnknownCNSA Long March 3B page copied from sibling Chang Zheng 3B row
Long March 3C
GTO3,800 kgUnknownUnknownLong March 3C public capacity profile
Long March 3C G2
GTO3,800 kgUnknownUnknownLong March 3C public capacity profile
Long March 3B G2
Dec 9, 2025
TJS 21
Long March 3B G2
Nov 21, 2025
Gao Fen 14-02 Mission
Long March 3B G5
Oct 26, 2025
Shiyan 29 Mission
Long March 3C
Sep 5, 2025
ZX 9C
Long March 3B G2
Jun 20, 2025

Forecasted Missions

Upcoming mission rows with announced launch timing.

MissionVariantAnnounced

No forecasted missions

No upcoming announced mission rows are linked to this vehicle family.

Long March 3B G1
Not stated2Retired
Long March 3B G2
Not stated69Active
Long March 3B G3
Not stated15Active
Long March 3B G5
Not stated2Active
Long March 3C
Not stated13Active
Long March 3C G2
Not stated7Active
Track
Xichang Satellite Launch Center
2031 · 30% confidence
6

Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xichang; keep existing ...

Xichang Satellite Launch Center
2032 · 30% confidence
6

Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xichang; keep existing ...

Xichang Satellite Launch Center
2033 · 30% confidence
6

Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xichang; keep existing ...

Xichang Satellite Launch Center
2034 · 30% confidence
6

Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xichang; keep existing ...

Xichang Satellite Launch Center
2035 · 30% confidence
6

Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xichang; keep existing ...

Xichang Satellite Launch Center
2036 · 30% confidence
6

Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xichang; keep existing ...

Xichang Satellite Launch Center
2037 · 30% confidence
6

Mature Long March active variant; default below broader Long March family/national cadence. Site mapping: Long March 3/3B active operations are centered on Xichang; keep existing ...

Mentions
258
All verified mentions of this launch vehicle family in source documents.
0.0-5.0
Actions

The Long March 3B/E is 56.3 meters tall and weighs 458,970 kilograms when fully fueled.

CapabilityValue 4.0Nov 21, 2025Seventh TJSW Spacecraft of 2025 Launched via Xichang Mission [Long March 3B/E]

The Long March 3B/E launch was carrying the TJSW-21 spacecraft as its sole payload.

Plan
Page6of13
Capability
Value 3.5
Nov 21, 2025
Seventh TJSW Spacecraft of 2025 Launched via Xichang Mission [Long March 3B/E]

The second stage of the Long March 3B/E is powered by one YF-22E and four YF-23F vernier engines generating 81 tons of thrust.

CapabilityValue 4.0Nov 21, 2025Seventh TJSW Spacecraft of 2025 Launched via Xichang Mission [Long March 3B/E]

The Long March 3B/E is capable of conducting launches every two weeks.

CapabilityValue 4.0Nov 21, 2025Seventh TJSW Spacecraft of 2025 Launched via Xichang Mission [Long March 3B/E]

The payload capacity of the Long March 3B/E includes 11,500 kilograms to low Earth orbit, 7,100 kilograms to sun-synchronous orbit, 5,500 kilograms to geostationary transfer orbit, and 2,000 kilograms to geostationary orbit.

CapabilityValue 5.0Nov 21, 2025Seventh TJSW Spacecraft of 2025 Launched via Xichang Mission [Long March 3B/E]

The Long March 3B successfully sent the TJS-21 experimental communications satellite into orbit.

PlanCapabilityValue 4.0Nov 21, 2025A Long March 3B lifted off at 1055 UTC today from Xichang, successfully sending the TJS-21 experimental communications satellite into orbit. Launch 74 for China in 2025. https://mp.weixin.qq.com/s/UiTof3iYlEeEtvMK3P9S8w

A Long March 3B rocket lifted off at 1055 UTC on the specified date.

PlanGeneralValue 1.6Nov 21, 2025A Long March 3B lifted off at 1055 UTC today from Xichang, successfully sending the TJS-21 experimental communications satellite into orbit. Launch 74 for China in 2025. https://mp.weixin.qq.com/s/UiTof3iYlEeEtvMK3P9S8w

The Long March 3B is an older-generation geostationary orbit launch vehicle of the China Academy of Launch Vehicle Technology.

CapabilityValue 3.0Nov 21, 2025Seventh TJSW Spacecraft of 2025 Launched via Xichang Mission [Long March 3B/E]

The Long March 3B/E has successfully completed eleven launches in 2025, with two additional Long March 3C/E’s in May and September.

PlanGrowthValue 3.0Nov 21, 2025Seventh TJSW Spacecraft of 2025 Launched via Xichang Mission [Long March 3B/E]

The Long March 3B/E rocket placed Gaofen-14-02 into a scheduled sun-synchronous orbit (SSO).

CapabilityPlanValue 4.0Oct 28, 2025中国、新しい立体地図測量衛星を打ち上げ–「一帯一路」構想にも活用

CALT stated it plans to perform dozens of launches of the Long March 3B/E by the end of 2024.

PlanValue 4.0Oct 28, 2025中国、新しい立体地図測量衛星を打ち上げ–「一帯一路」構想にも活用

The Long March 3B/E rocket has successfully completed ten launches in 2025, including on the day of Gaofen-14-02's launch.

PlanGeneralValue 3.0Oct 28, 2025中国、新しい立体地図測量衛星を打ち上げ–「一帯一路」構想にも活用

The satellite was launched from the Xichang Satellite Launch Center in Sichuan Province using a modified Long March 3B/E rocket.

GeneralValue 4.0Oct 28, 2025中国、新しい立体地図測量衛星を打ち上げ–「一帯一路」構想にも活用

China successfully launched the Gaofen-14 02 satellite via the Long March 3B rocket.

PlanGeneralValue 3.8Oct 27, 2025China successfully launched Gaofen-14 02 satellite via Long March 3B rocket at Xichang Satellite Launch Center. Satellite in orbit, mission a success. It'll provide accurate global images and detailed terrain maps. Full HD:https://youtu.be/SE03hBueAGs

Every Long March 3B launch has occurred from the Xichang Satellite Launch Center in Sichuan province.

GeneralValue 3.2Oct 26, 2025New Mapping Spacecraft Delivered From Xichang [Long March 3B/E]

The first stage of the Long March 3B/E generates 302 tons of thrust with four YF-21C engines.

CapabilityValue 4.5Oct 26, 2025New Mapping Spacecraft Delivered From Xichang [Long March 3B/E]

The second stage of the Long March 3B/E generates 81 tons of thrust with one YF-22E and four YF-23F vernier engines.

CapabilityValue 4.0Oct 26, 2025New Mapping Spacecraft Delivered From Xichang [Long March 3B/E]

Ten Long March 3B/E rockets have successfully flown this year, along with a single Long March 3C/E.

PlanValue 1.8Oct 26, 2025New Mapping Spacecraft Delivered From Xichang [Long March 3B/E]

Today's mission was the 111th launch of a Long March 3B vehicle.

PlanGeneralValue 2.0Oct 26, 2025New Mapping Spacecraft Delivered From Xichang [Long March 3B/E]

The Long March 3B/E rocket could conduct almost a dozen launch missions before the end of 2025.

PlanGrowthValue 2.8Oct 26, 2025New Mapping Spacecraft Delivered From Xichang [Long March 3B/E]