Science
ANSER FOLLOWER 1
Spanish Formation-Flying Earth Observation Satellite · Spanish National Institute for Aerospace Technology (INTA)
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ANSER Follower 1, part of a Spanish formation-flying satellite trio testing coordinated multi-satellite Earth observation — multiple small spacecraft imaging the same target simultaneously from slightly different angles, a technique that can extract 3D structural information no single satellite viewing straight down could ever capture alone.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 243–244 mi (390–393 km)
- Inclination
- 97.6°
- One orbit
- 92.2 minutes15.6 orbits a day
- NORAD ID
- 58019
- Int’l designator
- 2023-155D
- Launched
- 2023
Orbital elements from CelesTrak, as of 22 Sep 2026.
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