2023 R3

ASTEROIDHyperbolic asteroid

ILLUSTRATION FROM ECCENTRICITY 1.00

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OVERVIEW

] ASTEROID

2023 R3 is a hyperbolic asteroid. Its orbit does not close: it passes within 1.358 of the Sun once and never returns. Its absolute magnitude () is 19.96. Other catalogues list it as (A/2023 R3).

WHAT IT IS: Hyperbolic asteroid
HOW BRIGHT IN ITSELF (H)

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OBSERVING

] FROM WHERE YOU ARE

What it takes to see 2023 R3 for yourself. Everything in this part of the page is worked out for a real horizon, a real night and the equipment you say you have.

WHERE IT IS NOW

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CATALOG DATA

] 11 FIELDS

The raw catalogue values, as the source published them, with the error bars where one was published — sorted by what each set of figures is about rather than by the order they happened to be stored in.

THE ORBIT

The shape of the path, where the object sits on it, and the instant those figures were true of. An orbit is a fit to observations and drifts away from the real one either side of its epoch.

Eccentricity: ±0.0014
Hyperbolic excess velocity: 0.24 ±2
Inclination: 12.11 ±0.015
Longitude of ascending node: 347.39 ±0.026
Argument of perihelion: 86.85 ±0.044
Mean anomaly: 0
Element epoch: 2460210.5000
Perihelion passage: 2460296.6900
Minimum distance from Earth's orbit: 0.446
Orbit class: HYA

WHEN IT WAS FOUND

Who first saw it, from where, and by what method.

First observed: 2023-09-15

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ALSO KNOWN AS

] 2 DESIGNATIONS

Asteroid 2023 R3
Asteroid (A/2023 R3)

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LOOK IT UP ELSEWHERE

] 1 SERVICE

Each link carries the identifier printed beside it. Nothing on this page is a measurement of our own, so a number that disagrees with one of these is worth reporting — and a service that has never catalogued this object under this name will say so plainly.

JPL Small-Body Database2023
The orbit these elements were taken from, with its uncertainty, its close approaches and every observation behind the fit.

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CITE THIS PAGE

] DR1

This page is live and its numbers move when an upstream refreshes, so the citation names the release the rows belong to rather than the day you read them. The release itself is frozen, republished as a bundle, and is what a data-availability statement should point at.

PLAIN TEXT

SpaceCatalog. 2023 R3 [catalogue entry]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/2023-r3

BIBTEX

@misc{spacecatalog_2023-r3,
  author       = {{SpaceCatalog}},
  title        = {{2023 R3}},
  howpublished = {SpaceCatalog, data release DR1 (2026-08-21)},
  year         = {2026},
  url          = {https://spacecatalog.org/object/2023-r3},
  note         = {Catalogue entry, data release DR1 (2026-08-21). Values from JPL Small-Body Database.}
}

The values above were taken from JPL Small-Body Database — Public domain (NASA/JPL). Citing this page does not replace citing that catalogue.

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