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Main Belt Binary Asteroidal Systems With Circular Mutual Orbits

2 Pith papers cite this work. Polarity classification is still indexing.

2 Pith papers citing it
abstract

In 2003, we initiated a long-term adaptive optics campaign to study the orbit of various main-belt asteroidal systems. Here we present a consistent solution for the mutual orbits of four binary systems: 22 Kalliope, 45 Eugenia, 107 Camilla and 762 Pulcova. With the exception of 45 Eugenia, we did not detect any additional satellites around these systems although we have the capability of detecting a loosely-bound fragment (located at 1/4 x RHill) that is ~40 times smaller in diameter than the primary. The common characteristic of these mutual orbits is that they are roughly circular. Three of these binary systems belong to a C-"group" taxonomic class. Our estimates of their bulk densities are consistently lower (~1 g/cm3) than their associated meteorite analogs, suggesting an interior porosity of 30-50% (taking CI-CO meteorites as analogs). 22 Kalliope, a W-type asteroid, has a significantly higher bulk density of ~3 g/cm3, derived based on IRAS radiometric size measurement. We compare the characteristics of these orbits in the light of tidal-effect evolution.

years

2026 2

verdicts

UNVERDICTED 2

representative citing papers

Shape, Orientation and Colors Combined approach for Asteroids (SOCCA)

astro-ph.EP · 2026-06-16 · unverdicted · novelty 6.0

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.

citing papers explorer

Showing 2 of 2 citing papers.

  • Shape, Orientation and Colors Combined approach for Asteroids (SOCCA) astro-ph.EP · 2026-06-16 · unverdicted · none · ref 79 · internal anchor

    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.

  • Configuration of the $\xi$ Tau system constrained by multi-technique observations astro-ph.SR · 2026-05-21 · unverdicted · none · ref 264 · internal anchor

    Multi-technique observations constrain the configuration of the ξ Tau system, detecting orbital oscillations on multiple timescales and suggesting component C is itself a binary.