Discovery of the First Known Asteroid Confined within the Orbit of Venus

Wing Huen Ip; Frank J. Masci; Quanzhi Ye; Emily A. Kramer; George Helou; Thomas A. Prince; S. R. Kulkarni; Richard Dekany; Andrew Drake; Matthew J. Graham; Steven Groom; Russ R. Laher; Ashish A. Mahabal; Ben Rusholme

doi:10.3847/2041-8213/ac8470

Discovery of the First Known Asteroid Confined within the Orbit of Venus

Wing Huen Ip, Frank J. Masci, Quanzhi Ye, Emily A. Kramer, George Helou, Thomas A. Prince, S. R. Kulkarni, Richard Dekany, Andrew Drake, Matthew J. Graham, Steven Groom, Russ R. Laher, Ashish A. Mahabal, Ben Rusholme

Graduate Institute of Astronomy

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

We report on the discovery by the Zwicky Transient Facility of an asteroid orbiting entirely within the orbit of Venus, the first known example of this orbital class. The asteroid's perihelion is closer to the Sun than the aphelion of Mercury, and its diameter is estimated at about 1.8 km assuming an albedo of 0.2. The object was first observed on 2020 January 4 in four exposures obtained 7 minutes apart during an evening twilight survey. Its IAU-recognized designation is 594913 ‘Ayló’chaxnim.

Original language	English
Article number	L6
Journal	Astrophysical Journal Letters
Volume	935
Issue number	1
DOIs	https://doi.org/10.3847/2041-8213/ac8470
State	Published - 1 Aug 2022

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title = "Discovery of the First Known Asteroid Confined within the Orbit of Venus",

abstract = "We report on the discovery by the Zwicky Transient Facility of an asteroid orbiting entirely within the orbit of Venus, the first known example of this orbital class. The asteroid's perihelion is closer to the Sun than the aphelion of Mercury, and its diameter is estimated at about 1.8 km assuming an albedo of 0.2. The object was first observed on 2020 January 4 in four exposures obtained 7 minutes apart during an evening twilight survey. Its IAU-recognized designation is 594913 {\textquoteleft}Ayl{\'o}{\textquoteright}chaxnim.",

author = "Ip, {Wing Huen} and Masci, {Frank J.} and Quanzhi Ye and Kramer, {Emily A.} and George Helou and Prince, {Thomas A.} and Kulkarni, {S. R.} and Richard Dekany and Andrew Drake and Graham, {Matthew J.} and Steven Groom and Laher, {Russ R.} and Mahabal, {Ashish A.} and Ben Rusholme",

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T1 - Discovery of the First Known Asteroid Confined within the Orbit of Venus

AU - Ip, Wing Huen

AU - Masci, Frank J.

AU - Ye, Quanzhi

AU - Kramer, Emily A.

AU - Helou, George

AU - Prince, Thomas A.

AU - Kulkarni, S. R.

AU - Dekany, Richard

AU - Drake, Andrew

AU - Graham, Matthew J.

AU - Groom, Steven

AU - Laher, Russ R.

AU - Mahabal, Ashish A.

AU - Rusholme, Ben

PY - 2022/8/1

Y1 - 2022/8/1

N2 - We report on the discovery by the Zwicky Transient Facility of an asteroid orbiting entirely within the orbit of Venus, the first known example of this orbital class. The asteroid's perihelion is closer to the Sun than the aphelion of Mercury, and its diameter is estimated at about 1.8 km assuming an albedo of 0.2. The object was first observed on 2020 January 4 in four exposures obtained 7 minutes apart during an evening twilight survey. Its IAU-recognized designation is 594913 ‘Ayló’chaxnim.

AB - We report on the discovery by the Zwicky Transient Facility of an asteroid orbiting entirely within the orbit of Venus, the first known example of this orbital class. The asteroid's perihelion is closer to the Sun than the aphelion of Mercury, and its diameter is estimated at about 1.8 km assuming an albedo of 0.2. The object was first observed on 2020 January 4 in four exposures obtained 7 minutes apart during an evening twilight survey. Its IAU-recognized designation is 594913 ‘Ayló’chaxnim.

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M3 - 期刊論文

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VL - 935

JO - Astrophysical Journal Letters

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Discovery of the First Known Asteroid Confined within the Orbit of Venus

Abstract

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