JWST observations indicate that interstellar comet 3I/ATLAS has dust dominated by amorphous silicates similar to the ISM, unlike the crystalline silicate-rich dust in Solar System comets.
Icarus , year = 1998, month = feb, volume =
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JWST data revises Kamo`oalewa's spectrum to neutral colors consistent with enstatite-rich silicates, models its size at 18 m and albedo at 0.59, and confirms fast rotation.
Using occultation-derived sizes and Herschel thermal data, the study identifies three previously unknown likely binary TNOs and reports satellite size estimates while confirming no sizable satellites are needed for three others.
SOCCA extends HG1G2 by modeling the projected surface of a rotating triaxial ellipsoid to jointly retrieve absolute magnitude, phase parameters, spin state, and shape from sparse multi-band photometry, halving residuals and tripling precision on LSST simulations and Eugenia data.
Collisional and dynamical models indicate the Eulalia parent body disruption ~800 Ma near the J3:1 resonance produced an impact shower that accounts for observed lunar craters formed near that time.
The paper assesses the feasibility of using SKA-AA4 for thermal detections and characterization of TNOs and Centaurs at cm wavelengths.
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JWST Characterization of Earth Quasi-Satellite (469219) Kamo`oalewa
JWST data revises Kamo`oalewa's spectrum to neutral colors consistent with enstatite-rich silicates, models its size at 18 m and albedo at 0.59, and confirms fast rotation.