Every organization with a known payload in orbit, ranked by active satellite count. Each operator has a detail page listing its objects and provenance.
51 operators · payloads only (excludes debris and rocket bodies)
| # | Operator | Active |
|---|---|---|
| 1 | Japan Aerospace Exploration Agency | 10 |
| 2 | AXELSPACE Corporation | 10 |
Sources: CelesTrak (active status), GCAT/McDowell (operator names).view all sources ▸
| 3 |
| QPS Laboratories Co, Ltd. |
| 9 |
| 4 | ArkEdge Space | 8 |
| 5 | Synspective Inc. | 8 |
| 6 | Sky Perfect JSAT Corp. | 6 |
| 7 | Broadcasting Satellite System Corp. | 5 |
| 8 | Cabinet Space Strategy Office / Japan Aerospace Exploration Agency | 5 |
| 9 | Institute of Space and Astronautical Sci | 4 |
| 10 | Tokyo University | 4 |
| 11 | Kyushu Instiute of Technology | 3 |
| 12 | Japan Space Systems | 3 |
| 13 | BULL Co. Ltd. | 2 |
| 14 | DSN Corporation | 2 |
| 15 | Japan Meteorological Agency | 2 |
| 16 | Japan Satellite Systems Inc | 2 |
| 17 | Nihon Daigaku | 2 |
| 18 | Science Tokyo | 2 |
| 19 | Shizuoka University | 2 |
| 20 | Tohoku University | 2 |
| 21 | Tokyo Inst of Technology | 2 |
| 22 | Weathernews Inc. | 2 |
| 23 | Canon Electronics Ltd. | 1 |
| 24 | Aichi University of Technology | 1 |
| 25 | Aoyama Gakuin University | 1 |
| 26 | Astroscale Japan Inc. | 1 |
| 27 | AXELSPACE Corporation / Fukui Prefecture | 1 |
| 28 | Cabinet Satellite Intelligence Center | 1 |
| 29 | Di-Nikko Engineering Co. Ltd. | 1 |
| 30 | Future Science Institute / Happy Science University | 1 |
| 31 | Hokkaido University of Science | 1 |
| 32 | IHI Corporation | 1 |
| 33 | Institute for Unmanned Space Experiment Free Flyer | 1 |
| 34 | Japan Aerospace Exploration Agency / Institute of Space and Astronautical Sci | 1 |
| 35 | Japanese Amateur Radio League | 1 |
| 36 | Kagawa Daigaku (Kagawa U.) | 1 |
| 37 | Kanazawa University | 1 |
| 38 | Kawasaki Heavy Industries Aerospace Co. | 1 |
| 39 | Kochi Technical College | 1 |
| 40 | MHI Guidance and Propulsion (Meiyo) | 1 |
| 41 | Mobile Broadcasting Corp / SK Telecom TU Media | 1 |
| 42 | Nagoya University | 1 |
| 43 | National Inst. Communications Tech., Kashima Space Research | 1 |
| 44 | National Space Development Adminstration | 1 |
| 45 | Sky Perfect JSAT Corp. / Kacific Broadband Satellies Ltd | 1 |
| 46 | Space Communications Corp (Sky Perfect JSAT) | 1 |
| 47 | Teikyo Scientific University | 1 |
| 48 | Tokyo Inst of Technology / Tohoku University | 1 |
| 49 | Tokyo Metropolitan Coll. Aero. Eng. | 1 |
| 50 | Wakayama University | 1 |
| 51 | Waseda Daigaku (Sodai) | 1 |