Research Satellite

Luna 2

Vehicle

first spacecraft to reach the surface of the Moon

Aryabhata

Vehicle

India's first satellite

Interstellar Boundary Explorer

Vehicle

NASA satellite

Gravity Field and Steady-State Ocean Circulation Explorer

Vehicle

ESA satellite which mapped Earth's gravity field

Advanced Composition Explorer

Vehicle

NASA scientific satellite

Explorer 3

Vehicle

American military research satellite

Prospero

Vehicle

British Satellite

Explorer 4

Vehicle

American research satellite launched in 1958

San Marco 1

Vehicle

first Italian satellite

Astrid-1

Vehicle

Swedish research satellite

EarthCARE

Vehicle

joint European/Japanese Earth research satellite

EPE-C

class

former American research satellite

Interstellar Mapping and Acceleration Probe

Vehicle

NASA heliophysics satellite

MicroSCOPE

Vehicle

research satellite launched in 2016 which measured the universality of free fall

Akebono

Vehicle

Japanese research satellite

DODGE

Vehicle

American research satellite

Explorer 24

Vehicle

NASA atmospheric density research satellite

Explorer S-46

Vehicle

NASA satellite of the Explorer program

LignoSat

Vehicle

wooden CubeSat deployed from the ISS in 2024

Explorer 13

Vehicle

American satellite

Taiyo (satellite)

Vehicle

EPE-D

class

former American research satellite

Beacon Explorer-B

Vehicle

NASA ionospheric research satellite

HEOS 1

Vehicle

Explorer 50

Vehicle

NASA satellite of the Explorer program

Shinsei

Vehicle

GFO

Vehicle

decommissioned American military altimetry satellite

Ohzora

Vehicle

Japanese research satellite

CAT-1

Vehicle

ESA artificial satellite

FedSat

Vehicle

Australian scientific research satellite

Injun 4

Vehicle

NASA satellite of the Explorer program and Injun series

Injun 5

Vehicle

NASA satellite of the Explorer program

Intercosmos 15

Vehicle

MATS

Vehicle

Swedish research satellite

Shijian-10

Vehicle

Chinese recoverable satellite based on the FSW series

Astrid-2

Vehicle

Swedish research satellite

Beacon Explorer-A

Vehicle

NASA research satellite of the Explorer program, lost due to a launch failure

Eu:CROPIS

Vehicle

German satellite

Sputnik 3

Vehicle

failed Soviet research satellite

ESRO 1B

Vehicle

research satellite operated by the European Space Research Organisation

CHIBIS-M

Vehicle

38051

ERS 17

Vehicle

ESRO 4

Vehicle

Polar BEAR

Vehicle

U.S. Air Force research satellite

LOFTI-1

Vehicle

IBSS-SPAS

Vehicle

free-flying experiment carried on Space Shuttle mission STS-39

Explorer S-55

Vehicle

American artificial satellite, lost in a launch failure

Universitetsky-Tatyana-2

Vehicle

research & Educational Satellite

CRRES

Vehicle

NASA satellite

ERS 12

Vehicle

ERS 13

Vehicle

Geophysical Research Satellite

Vehicle

American research satellite

Oreol 3

Vehicle

Soviet-French research satellite

CFESat

Vehicle

US Department of Energy space-based atmospheric observatory

SMOG-P

Vehicle

Hungarian small satellite

ERS 9

Vehicle

HILAT

Vehicle

U.S. Air Force research satellite

ERS 6

Vehicle

Колибри-2000

Vehicle

Ion Release Module

Vehicle

German satellite in the Explorer program