A PLANET OR PRIMORDIAL BLACK HOLE IN THE OUTER REGION OF THE SOLAR SYSTEM AND THE DUST FLOW NEAR EARTH’S ORBIT

Yu. N. Eroshenko; Ерошенко Ю. Н.; E. A. Popova; Попова Е. А.

doi:10.31857/S0004629923110051

A PLANET OR PRIMORDIAL BLACK HOLE IN THE OUTER REGION OF THE SOLAR SYSTEM AND THE DUST FLOW NEAR EARTH’S ORBIT

Authors: Eroshenko Y.N.¹, Popova E.A.¹^,2
Affiliations:
1. Institute for Nuclear Research of the Russian Academy of Sciences
2. Pulkovo Observatory of the Russian Academy of Sciences
Issue: Vol 100, No 11 (2023)
Pages: 1056-1068
Section: Articles
URL: https://rjsvd.com/0004-6299/article/view/647613
DOI: https://doi.org/10.31857/S0004629923110051
EDN: https://elibrary.ru/YGHSEJ
ID: 647613

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Abstract

In recent years, evidence has been obtained that in the outer region of the Solar System (in the inner Oort cloud) at a distance of ~300–700 AU from the Sun, there may be a captured planet or a primordial black hole. In this paper, we show that the gravitational scattering on this object of dust particles located in the same region can transfer them to new elongated orbits reaching the Earth’s orbit. With the mass of the captured object of the order of 5–10 Earth masses, the calculated dust flow near the Earth is ~0.1–3 μg m^–2 year^–1 is comparable in order of magnitude with the observed flow. This effect gives a joint restriction on the parameters of the captured object and on the amount of dust in the Oort cloud.

Keywords

Solar system, 9th planet, cosmic dust, meteoroid, primordial black holes

About the authors

Yu. N. Eroshenko

Institute for Nuclear Research of the Russian Academy of Sciences

Author for correspondence.
Email: eroshenko@inr.ac.ru
Russia, Moscow

E. A. Popova

Institute for Nuclear Research of the Russian Academy of Sciences; Pulkovo Observatory of the Russian Academy of Sciences

Author for correspondence.
Email: m02pea@gmail.com
Russia, Moscow; Russia, Saint Petersburg

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