activity
20132025
most citedSuccessful Kinetic Impact into an Asteroid for Planetary Defense

270 citations · 1.3k across the 30 of their papers we have counts for

collaborators

30 papers

astro-ph.EP2025★ 14 cited

Catastrophic disruption of asteroid 2023 CX1 and implications for planetary defense

Auriane Egal, Denis Vida, François Colas +94

Mitigation of the threat from airbursting asteroids requires an understanding of the potential risk they pose for the ground. How asteroids release their kinetic energy in the atmo…

astro-ph.EP2025

Sorcha: A Solar System Survey Simulator for the Legacy Survey of Space and Time

Stephanie R. Merritt, Grigori Fedorets, Megan E. Schwamb +20

The upcoming Legacy Survey of Space and Time (LSST) at the Vera C. Rubin Observatory is expected to revolutionize solar system astronomy. Unprecedented in scale, this ten-year wide…

astro-ph.EP2025

Sorcha: Optimized Solar System Ephemeris Generation

Matthew J. Holman, Pedro H. Bernardinelli, Megan E. Schwamb +14

Sorcha is a solar system survey simulator built for the Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST) and future large-scale wide-field surveys. Over the ten-y…

astro-ph.EP2025

Shape and spin state model of contact binary (388188) 2006 DP14 using combined radar and optical observations

Richard E. Cannon, Agata Rozek, Marina Brozović +36

Contact binaries are found throughout the solar system. The recent discovery of Selam, the satellite of MBA (152830) Dinkinesh, by the NASA LUCY mission has made it clear that the…

astro-ph.EP2025★ 25 cited

The Dynamical State of the Didymos System Before and After the DART Impact

Derek C. Richardson, Harrison F. Agrusa, Brent Barbee +50

NASA's Double Asteroid Redirection Test (DART) spacecraft impacted Dimorphos, the natural satellite of (65803) Didymos, on 2022 September 26, as a first successful test of kinetic…

astro-ph.EP2024

The Debiased Near-Earth Object Population from ATLAS Telescopes

Rogerio Deienno, Larry Denneau, David Nesvorný +7

This work is dedicated to debias the Near-Earth Objects (NEO) population based on observations from the Asteroid Terrestrial-impact Last Alert System (ATLAS) telescopes. We have ap…

astro-ph.EP2024

An Earth Encounter As the Cause of Chaotic Dynamics in Binary Asteroid (35107) 1991VH

Alex J Meyer, Oscar Fuentes-Muñoz, Ioannis Gkolias +4

Among binary asteroids, (35107) 1991VH stands out as unique given the likely chaotic rotation within its secondary component. The source of this excited dynamical state is unknown.…

astro-ph.EP2024

NEOMOD 3: The Debiased Size Distribution of Near Earth Objects

David Nesvorny, David Vokrouhlicky, Frank Shelly +9

Our previous model (NEOMOD2) for the orbital and absolute magnitude distribution of Near Earth Objects (NEOs) was calibrated on the Catalina Sky Survey observations between 2013 an…

astro-ph.EP2024★ 23 cited

Dimorphos orbit determination from mutual events photometry

Peter Scheirich, Petr Pravec, Alex J. Meyer +6

The NASA Double Asteroid Redirection Test (DART) spacecraft successfully impacted the Didymos-Dimorphos binary asteroid system on 2022 September 26 UTC. We provide an update to its…

astro-ph.EP2023

NEOMOD 2: An Updated Model of Near-Earth Objects from a Decade of Catalina Sky Survey Observations

David Nesvorny, David Vokrouhlicky, Frank Shelly +9

Catalina Sky Survey (CSS) is a major survey of Near-Earth Objects (NEOs). In a recent work, we used CSS observations from 2005-2012 to develop a new population model of NEOs (NEOMO…

astro-ph.EP2023★ 1 cited

Photometry of the Didymos system across the DART impact apparition

Nicholas Moskovitz, Cristina Thomas, Petr Pravec +78

On 26 September 2022, the Double Asteroid Redirection Test (DART) spacecraft impacted Dimorphos, the satellite of binary near-Earth asteroid (65803) Didymos. This demonstrated the…

astro-ph.EP2023

The Perturbed Full Two-Body Problem: Application to Post-DART Didymos

Alex J. Meyer, Harrison F. Agrusa, Derek C. Richardson +19

With the successful impact of the NASA DART spacecraft in the Didymos-Dimorphos binary asteroid system, we provide an initial analysis of the post-impact perturbed binary asteroid…

astro-ph.EP2023★ 72 cited

NEOMOD: A New Orbital Distribution Model for Near Earth Objects

David Nesvorny, Rogerio Deienno, William F. Bottke +10

Near Earth Objects (NEOs) are a transient population of small bodies with orbits near or in the terrestrial planet region. They represent a mid-stage in the dynamical cycle of aste…

astro-ph.EP2023★ 229 cited

Momentum Transfer from the DART Mission Kinetic Impact on Asteroid Dimorphos

Andrew F. Cheng, Harrison F. Agrusa, Brent W. Barbee +66

The NASA Double Asteroid Redirection Test (DART) mission performed a kinetic impact on asteroid Dimorphos, the satellite of the binary asteroid (65803) Didymos, at 23:14 UTC on Sep…

astro-ph.EP2023★ 270 cited

Successful Kinetic Impact into an Asteroid for Planetary Defense

R. Terik Daly, Carolyn M. Ernst, Olivier S. Barnouin +98

While no known asteroid poses a threat to Earth for at least the next century, the catalog of near-Earth asteroids is incomplete for objects whose impacts would produce regional de…

astro-ph.EP2023★ 164 cited

Orbital Period Change of Dimorphos Due to the DART Kinetic Impact

Cristina A. Thomas, Shantanu P. Naidu, Peter Scheirich +46

The Double Asteroid Redirection Test (DART) spacecraft successfully performed the first test of a kinetic impactor for asteroid deflection by impacting Dimorphos, the secondary of…

astro-ph.EP2022★ 3 cited

Anticipating the DART impact: Orbit estimation of Dimorphos using a simplified model

Shantanu P. Naidu, Steven R. Chesley, Davide Farnocchia +5

We used the times of occultations and eclipses between the components of the 65803 Didymos binary system observed in its lightcurves from 2003-2021 to estimate the orbital paramete…

astro-ph.IM2021★ 60 cited

Hayabusa2 Extended Mission: New Voyage to Rendezvous with a Small Asteroid Rotating with a Short Period

M. Hirabayashi, Y. Mimasu, N. Sakatani +41

Hayabusa2 is the Japanese Asteroid Return Mission and targeted the carbonaceous asteroid Ryugu, conducted by the Japan Aerospace Exploration Agency (JAXA). The goal of this mission…

astro-ph.EP2020★ 6 cited

Bistatic Radar Observations of Near-Earth Asteroid (163899) 2003 SD220 from the Southern Hemisphere

Shinji Horiuchi, Blake Molyneux, Jamie B. Stevens +13

We report results of Canberra-ATCA Doppler-only continuous wave (CW) radar observations of near-Earth asteroid (163899) 2003 SD220 at a receiving frequency of 7159 MHz (4.19 cm) on…

astro-ph.EP2020★ 32 cited

Establishing Earth's Minimoon Population through Characterization of Asteroid 2020 CD

Grigori Fedorets, Marco Micheli, Robert Jedicke +20

We report on our detailed characterization of Earth's second known temporary natural satellite, or minimoon, asteroid 2020 CD3. An artificial origin can be ruled out based on its a…

astro-ph.EP2018

Planetary Bistatic Radar

M. Brozovic, B. J. Butler, Jean-Luc Margot +2

Planetary radar observations offer the potential for probing the properties of characteristics of solid bodies throughout the inner solar system and at least as far as the orbit of…

astro-ph.EP2018★ 16 cited

Search for OH 18-cm radio emission from 1I/2017 U1 with the Green Bank telescope

Ryan S. Park, D. J. Pisano, T. Joseph W. Lazio +2

This paper reports the first OH 18-cm line observation of the first detected interstellar object 1I/2017 U1 (`Oumuamua) using the Green Bank Telescope. We have observed the OH line…

astro-ph.EP2017★ 20 cited

Constraints on the perturbed mutual motion in Didymos due to impact-induced deformation of its primary after the DART impact

Masatoshi Hirabayashi, Stephen R. Schwartz, Yang Yu +10

Binary near-Earth asteroid (65803) Didymos is the target of the proposed NASA Double Asteroid Redirection Test (DART), part of the Asteroid Impact & Deflection Assessment (AIDA) mi…

astro-ph.EP2017★ 103 cited

Creep stability of the proposed AIDA mission target 65803 Didymos: I. Discrete cohesionless granular physics model

Yun Zhang, Derek C. Richardson, Olivier S. Barnouin +7

As the target of the proposed Asteroid Impact & Deflection Assessment (AIDA) mission, the near-Earth binary asteroid 65803 Didymos represents a special class of binary asteroids, t…