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Related papers: A dark asteroid family in the Phocaea region

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The Karma asteroid family is a group of primitive asteroids in the middle part of the main belt, just at the outer edge of the 3J:1A mean-motion resonance. We obtained the list of the family members with 317 asteroids and estimated that it…

Earth and Planetary Astrophysics · Physics 2020-12-07 Debora Pavela , Bojan Novaković , Valerio Carruba , Viktor Radović

The Phocaea asteroid family, one of the large ancient families located in the inner main belt, may be the sources of near-Earth asteroids (NEAs) due to the nearby 3:1 mean motion resonance with Jupiter, the v6 secular resonance, and the…

Earth and Planetary Astrophysics · Physics 2025-05-13 Xiaoyun Xu , Xiaobing Wang , Karri Muinonen , Shenghong Gu , Antti Penttilä , Fukun Xu , Leilei Sun , Jing Huang , Pengfei Zhang , Ao Wang

Very young asteroid families may record processes that accompanied their formation in the most pristine way. This makes analysis of this special class particularly interesting. We studied the very young Adelaide family in the inner part of…

Earth and Planetary Astrophysics · Physics 2021-05-26 D. Vokrouhlický , B. Novaković , D. Nesvorný

The (778) Theobalda asteroid family attracted little attention so far, but our study shows that it is important in several aspects. In this paper we investigate the origin and evolution of Theobalda family. Firstly, we identify the family…

Earth and Planetary Astrophysics · Physics 2012-07-04 Bojan Novakovic

A new family classification, based on a catalog of proper elements with $\sim 384,000$ numbered asteroids and on new methods is available. For the $45$ dynamical families with $>250$ members identified in this classification, we present an…

Earth and Planetary Astrophysics · Physics 2015-06-11 Federica Spoto , Andrea Milani , Zoran Knezevic

Maria family is regarded as an old-type (~3 +/- 1 Gyr) asteroid family which has experienced substantial collisional and dynamical evolution in the Main-belt. It is located nearby the 3:1 Jupter mean motion resonance area that supplies…

We searched for young asteroid families -- those with ages t_age < 10 Myr and at least three members -- using the proper element catalog from Nesvorny et al. (2024). Our approach employed the Hierarchical Clustering Method (HCM) in a…

Earth and Planetary Astrophysics · Physics 2025-08-04 David Nesvorny , David Vokrouhlicky , Miroslav Broz , Fernando V. Roig

The asteroid (10) Hygiea is the fourth largest asteroid of the Main Belt, by volume and mass, and it is the largest member of its own family. Previous works investigated the long-term effects of close encounters with (10) Hygiea of…

Earth and Planetary Astrophysics · Physics 2015-06-17 V. Carruba , R. C. Domingos , M. E. Huaman , C. R. dos Santos , D. Souami

The Euphrosyne asteroid family occupies a unique zone in orbital element space around 3.15 au and may be an important source of the low-albedo near-Earth objects. The parent body of this family may have been one of the planetesimals that…

Earth and Planetary Astrophysics · Physics 2020-11-04 B. Yang , J. Hanus , M. Broz , O. Chrenko , M. Willman , P. Sevecek , J. Masiero , H. Kaluna

The Gaia Data Release 3 (DR3) contains reflectance spectra at visible wavelengths for 60,518 asteroids over the range between 374-1034 nm, representing a large sample that is well suited to studies of asteroid families. We want to assess…

Earth and Planetary Astrophysics · Physics 2024-08-28 Roberto Balossi , Paolo Tanga , Alexey Sergeyev , Alberto Cellino , Federica Spoto

Asteroid families are groups of minor bodies produced by high-velocity collisions. After the initial dispersions of the parent bodies fragments, their orbits evolve because of several gravitational and non-gravitational effects,such as…

Earth and Planetary Astrophysics · Physics 2016-03-23 V. Carruba , D. Nesvorný , S. Aljbaae , R. C. Domingos , M. Huaman

Main belt asteroid (6478) Gault has been dynamically linked with two overlapping asteroid families: Phocaea, dominated by S-type asteroids, and Tamara, dominated by low-albedo C-types. This object has recently become an interesting case for…

Earth and Planetary Astrophysics · Physics 2019-08-14 Juan A. Sanchez , Vishnu Reddy , Audrey Thirouin , Edward L. Wright , Tyler R. Linder , Theodore Kareta , Benjamin Sharkey

The age of a young asteroid family can be determined by tracking the orbits of family members backward in time and showing that they converge at some time in the past. Here we consider the Veritas family. We find that the membership of the…

Earth and Planetary Astrophysics · Physics 2017-06-28 Valerio Carruba , David Vokrouhlický , David Nesvorný

Young asteroid families are unique sources of information about fragmentation physics and the structure of their parent bodies, since their physical properties have not changed much since their birth. Families have different properties such…

Earth and Planetary Astrophysics · Physics 2017-06-01 Tomáš Henych , Keith A. Holsapple

There are only a few known main belt (MB) asteroid families with ages greater than 2 Gyr (Bro\v{z} et al. 2013, Spoto et al. 2015). Estimates based on the family producing collision rate suggest that the lack of >2 Gyr-old families may be…

Earth and Planetary Astrophysics · Physics 2016-11-15 Bryce T. Bolin , Marco Delbo , Alessandro Morbidelli , Kevin J. Walsh

Following the break up of a parent body, the Yarkovsky effect causes asteroid family members to spread in orbital semimajor axis with a rate often inversely proportional to their diameter. This size dependent semimajor axis drift causes…

Earth and Planetary Astrophysics · Physics 2020-12-16 Rogerio Deienno , Kevin J. Walsh , Marco Delbo

We use our home catalog of the asteroid proper elements to study the Karin family. The hierarchical clustering method provides formal identification with 3,863 members, but this set also includes objects from the neighboring Koronis2 and…

Earth and Planetary Astrophysics · Physics 2026-02-13 David Vokrouhlický , David Nesvorný , William F. Bottke

The Clarissa family is a small collisional family composed of primitive C-type asteroids. It is located in a dynamically stable zone of the inner asteroid belt. In this work we determine the formation age of the Clarissa family by modeling…

Earth and Planetary Astrophysics · Physics 2020-09-15 Vanessa C. Lowry , David Vokrouhlicky , David Nesvorny , Humberto Campins

Themis family is one of the largest and oldest asteroid populations in the main-belt. Water-ice may widely exist on the parent body (24) Themis. In this work, we employ the Advanced Thermophysical Model as well as mid-infrared measurements…

Earth and Planetary Astrophysics · Physics 2021-12-10 Haoxuan Jiang , Jianghui Ji

A statistical analysis of brightness variability of asteroids reveals how their shapes evolve from elongated to rough spheroidal forms, presumably driven by impact-related phenomena. Based on the Sloan Digital Sky Survey Moving Object…

Astrophysics · Physics 2009-11-13 Gyula M. Szabo , Laszlo L. Kiss
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