Science
LEOPARD
Japanese-Singaporean CubeSat (ISS-Deployed, Airglow & Positioning Research) · Kyushu Institute of Technology (Japan) / Nanyang Technological University (Singapore)
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LEOPARD, a joint Japanese-Singaporean CubeSat built by Kyushu Institute of Technology and Nanyang Technological University, deployed from the ISS on February 3, 2026. Its name spells out its mission — Light intensity Experiment with On-orbit Positioning and satellite Ranging Demonstration — using multispectral cameras to study horizon airglow, the faint natural light scattering visible at Earth's atmospheric edge, alongside experimental on-board processing of one-way radio signals for satellite positioning. The techniques it validates are explicitly framed as groundwork for future university-led lunar missions, extending small-satellite engineering experience well beyond low Earth orbit.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 213–220 mi (343–355 km)
- Inclination
- 51.6°
- One orbit
- 91.4 minutes15.8 orbits a day
- NORAD ID
- 67687
- Int’l designator
- 1998-067YD
- Launched
- 1998
Orbital elements from CelesTrak, as of 22 Sep 2026.
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