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Sample Return Capsule

retired
Science ExplorationinterplanetaryCOSPAR 1999-003DLaunched 2/7/1999
Admin Edit
Mission & Launch
Launch Mission
Stardust Mission
Launch Vehicle
Delta 7426-9.5
Launch Date
2/7/1999
Last Contact
1/15/2006
Orbit & Mass
Orbit Class
interplanetary
Altitude
-21,704 km
Inclination
28.49 deg
Dry Mass
46 kg
Total Mass
46 kg
Payload Classification
Mission Type
Science Exploration
Payload Category
PLAN
Payload Class
C
Organizations
Operator
NASA Jet Propulsion Laboratory
Manufacturer
Lockheed Martin
Registry
COSPAR ID
1999-003D
UN Registration
ST/SG/SER.E/493
Track
Mentions
6
All verified mentions of this spacecraft in source documents.
0.0-5.0
Actions

Tianwen-2 will fly by Earth in November 2027 and release its sample return capsule for landing near the Jiuquan Satellite Launch Center.

PlanGeneralValue 4.0Jul 7, 2026Tianwen-2 Arrives at Kamoʻoalewa, Starts Surveying Ahead of Sample Grabs

The Tianwen-2 sample return capsule is expected to land near the Jiuquan Satellite Launch Center, which is used for Shenzhou crew returns.

PlanGeneralValue 4.0Jun 3, 2026Tianwen-2 Approaching Asteroid Kamoʻoalewa For Sample Collection

Tianwen-2 will begin an extended mission after releasing its sample return capsule.

PlanValue 3.5Jun 3, 2026Tianwen-2 Approaching Asteroid Kamoʻoalewa For Sample Collection

Tianwen-2 is expected to release its sample return capsule during an Earth flyby in November 2027.

PlanValue 4.2Jun 3, 2026Tianwen-2 Approaching Asteroid Kamoʻoalewa For Sample Collection

Tianwen-2 launched in May 2025 from Xichang for a year-long sample-return mission to asteroid 2016 HO3/469219 Kamoʻoalewa with a planned summer 2026 arrival and a sample-return capsule dropping 200–1,000 grams to Earth during a 2029 flyby.

PlanCapabilityValue 4.8Jan 1, 2026China Continues Space Progress Through 2025

Controllers spent about 36 hours on 2020-10-26–27, 2020 using the robotic arm to move the TAGSAM head into position in the sample return capsule and seal it.

CapabilityPlanValue 3.0Oct 30, 2020OSIRIS-REx safely stores asteroid sample