Comet · Periodic comet

Halley's Comet

1P/Halley

Type: Periodic comet

NASA/W. Liller · Public domain

Overview

Scientific overview

Halley's Comet is a periodic comet in orbit around The Sun.

Orbit

Orbital period: 76 years

Gallery

Halley's Comet — Comet Halley — Comet Halley
Photo No. AC86-0720-2 – Taken from Kuiper Airborne Observatory, C141 aircraft April 8/9, 1986, New Zealand Expedition, Halley's Comet crossing Milky Way. Disconnection of ion tail. Photo taken with equipment designed, m…
Kuiper Airborne Observatory, C141 aircraft April 8/9, 1986, New Zealand Expedition · Public domain
Source archive ↗

Observation

How this was captured

Source: WIKIMEDIA

Sources

The primary and reference sources this topic draws on.

NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.
NASA JPLJet Propulsion Laboratory / Solar System Dynamics
Orbital data, ephemerides, and small-body parameters for planets, asteroids, and comets.

Quick facts

Type: Periodic comet
System: The Sun

Scientific citations

Real, source-backed references — primary papers first, then datasets and institutional sources. Formatted through the citation engine; nothing is fabricated.

Archive pageHalley's Comet — JPL Small-Body Database

NASA JPL (Caltech)

Cite (APA / BibTeX)

NASA JPL (Caltech) (n.d.). Halley's Comet — JPL Small-Body Database. NASA JPL (Caltech). https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html

@misc{cite:jpl-comet-halleys-comet,
  title        = {Halley's Comet — JPL Small-Body Database},
  organization = {NASA JPL (Caltech)},
  year         = {n.d.},
  url          = {https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html},
  note         = {Orbit and physical data for Halley's Comet.}
}

Institutional pageHalley's Comet — NASA Science

NASA

Cite (APA / BibTeX)

NASA (n.d.). Halley's Comet — NASA Science. NASA. https://science.nasa.gov/

@misc{cite:nasa-comet-halleys-comet,
  title        = {Halley's Comet — NASA Science},
  organization = {NASA},
  year         = {n.d.},
  url          = {https://science.nasa.gov/},
  note         = {NASA overview of Halley's Comet.}
}

Quality & authority

Substantial

Unreviewed

Description: Complete
Source coverage: Complete
Relationship coverage: Complete
Review coverage: None
Citation coverage: None
Image coverage: Complete

Data from the NASA Planetary Fact Sheet & JPL (public domain). See source quality.