Nordic-based observations of binary asteroid (163693) Atira reveal a hydrated CM chondrite composition

arXiv:2609.27722 · astro-ph.EP · Submitted 2026-09-23 · Read on arXiv

astro-ph.EP

Submitted: 2026-09-23

Updated: 2026-09-23

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Calibration — 7× in this paper · explained in 9 episodes
• Aperture — 5× in this paper
• Nordic Optical Telescope — 3× in this paper
• Abundance — 2× in this paper · explained in 1 episode
• Alignment — 1× in this paper
• Spectral Analysis of Asteroids for Reflectance Investigation — 1× in this paper

Sources

• A near-Sun Solar System Twilight Survey with LSST

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