13143

ASTEROIDMain-belt asteroid

ILLUSTRATION · NO MEASURED PROPERTIES

[

OVERVIEW

] ASTEROID

13143 is a main-belt asteroid. Its absolute magnitude () is 12.71. It orbits the Sun at a mean distance of 2.666 . It is catalogued as 13143 (1995 AF). It was discovered in 1995.

WHAT IT IS
Main-belt asteroid
HOW FAR
2.666

Its average distance from the Sun, not from Earth.

HOW BRIGHT IN ITSELF (H)

How bright it would look from a fixed, standard distance — a measure of the object rather than of the view from here.

ONE ORBIT TAKES
4.35

One trip round the Sun.

[

OBSERVING

] FROM WHERE YOU ARE

What it takes to see 13143 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.

[

CATALOG DATA

] 15 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.

WHAT KIND OF THING IT IS

What the object is in itself, rather than how it happens to look from here.

Rotation period
4.9813

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.

Orbital period
4.353
Eccentricity
Inclination
11.54
Longitude of ascending node
293.84
Argument of perihelion
28.84
Mean anomaly
197.58
Element epoch
2461200.5000
Perihelion passage
2461918.0200
Minimum distance from Earth's orbit
1.21
Orbit class
MBA

WHEN IT WAS FOUND

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

Discovered by
Kobayashi, T.
Discovered from
Oizumi
Discovered on
1995-01-02
First observed
1967-09-09
[

ALSO KNOWN AS

] 2 DESIGNATIONS
  • Asteroid 13143
  • Asteroid 13143 (1995 AF)
[

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.

[

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. 13143 [catalogue entry]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/13143
BIBTEX
@misc{spacecatalog_13143,
  author       = {{SpaceCatalog}},
  title        = {{13143}},
  howpublished = {SpaceCatalog, data release DR1 (2026-08-21)},
  year         = {2026},
  url          = {https://spacecatalog.org/object/13143},
  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.

[

RELATED OBJECTS

] 8 LINKED