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21P/Giacobini-Zinner · Vinony

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Astronomical objects discovered in 1900
21P/Giacobini-Zinner

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EntityQ853069· pop 30· linked from 685 articles

21P/Giacobini-Zinner

Also known as Comet Giacobini-Zinner, 21P/Giacobinni–Zinner

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Key facts

Comet.name: 21P/Giacobini–Zinner
Comet.image: Comet 21P Giacobini-Zinner September 2018.jpg
Comet.caption: Comet Giacobini–Zinner photographed from Moscow, Russia on 9 September 2018.
Comet.discoverer: Michel GiacobiniErnst Zinner
Comet.discovery_date: 20 December 190023 October 1913
Comet.mpc_name: P/1900 Y1P/1913 U1
Comet.designations: 1900 III; 1913 V; 1926 VI;1933 III; 1940 I; 1946 V;1959 VIII; 1966 I; 1972 VI;1979 III; 1985 XIII; 1992 IX
Comet.epoch: 26 March 2025 (JD 2460760.5)
Comet.observation_arc: 4,922 days (13.48 years)
Comet.obs: 7,387
Comet.perihelion: 1.009 AU
Comet.aphelion

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Categories

Astronomical objects discovered in 1900 Comets in 2012 Comets in 2018 Comets in 2025 Comets visited by spacecraft JPL Small-Body Database ID same as Wikidata Jupiter-family comets Meteor shower progenitors Near-Earth comets Numbered comets Periodic comets Source attribution

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5.97 AU

Comet.semimajor

3.49 AU

Comet.period

6.525 years

Comet.eccentricity

0.7111

Comet.inclination

32.05°

Comet.asc_node

195.3°

Comet.arg_peri

172.9°

via Wikipedia infobox

Wikidata facts

Diameter: 2.0
Orbital period: 2391.976226852224
Image: Comet 21P Giacobini-Zinner.jpg

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Commons category: Comet Giacobini-Zinner
time of discovery or invention: 1900-12-20
provisional designation: 1913e
time of periapsis: 2458371.765469259
absolute magnitude: 13.2
orbital eccentricity: 0.7104704806622166
semi-major axis of an orbit: 3.500302848567133
periapsis: 1.013441001282316
apoapsis: 5.987164695851951
orbital inclination: 32.00259232473731
longitude of ascending node: 195.4044801966872
argument of periapsis: 172.8124824274917
mean anomaly: 314.6585273385641

Sources (4)

github.com
wikidata.org
ssd.jpl.nasa.gov
naif.jpl.nasa.gov

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via Wikidata sitelinks · CC0

C/2020 F3 (NEOWISE)

Entity

C/2023 A3 (Tsuchinshan–ATLAS)

list of periodic comets

list of minor planets and comets visited by spacecraft

list of numbered comets

list of near-parabolic comets

International Standard Book Number

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