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Halley's Comet

Halley's Comet is the only known short-period comet that is consistently visible to the naked eye from Earth, appearing roughly every 74–79 years. It last appeared in the inner parts of the Solar System in 1986 and will next appear in mid-2061. Officially designated 1P/Halley, it is also commonly called Comet Halley, or sometimes simply Halley.

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History

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Computation of orbit

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Orbit and origin

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Structure and composition

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Alternative designations
Various (See Apparitions)
Aphelion
35.14 au
Apparent magnitude
2.1 (1986 apparition)
Argument of periapsis
112.05°
Comet nuclear magnitude (M2)
13.6
Comet total magnitude (M1)
5.5

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Overview

Pronunciation

Computation of orbit

Orbit and origin

Structure and composition

History

Bibliography

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Halley's Comet

Nodes254
Edges253
Triples217
Avg. degree1.99
Density0.007874
Components1

How this topic connects Entity context

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Halley's Comet

Top relations

related to Bibliography · 92
Halley's Comet → Almost, Ancient-1799, Ann, Art, Asif, Astronomy, Astrophysics, Berghahn Books, Beyond Earth, Blandford Press, Burgess, Calendars, Cambridge University Press, Carl, Century French Humanist, China, Chronicle, Chronological History, Civilisation, Colin
related to External links · 19
Halley's Comet → Antiquity, ArchiveHDR Astrophotography, Astronomy, Comets, Discovery, Ephemeris, Giotto, Halley, Halley's, Halley's CometPhotographs, Image, JPL Small-Body DatabaseClose, Lick Observatory Records Digital, Nicolas Lefaudeux, Nicolas LefaudeuxHDR Astrophotography, Orbit, Past Comets, Physical, Simulations Atlas
related to Before 1066 · 18
Halley's Comet → Armenian, August, Babylonian, BC, British Museum, Chinese, Due, Grand Historian, Great, Gurzadyan, Records, Shiji, Sun, The, This, Tigranes, Vahe Gurzadyan, Vardanyan
related to 1986 · 17
Halley's Comet → Additionally, April, CCD, David, Earth, Edward Danielson, Furthermore, Hale Telescope, Halley's, In February, Jewitt, March, Mount Palomar, October, Sun, The, With
related to 1835 · 12
Halley's Comet → An, At Markree Observatory, Bessel, Cauchoix, Edward Joshua Cooper, Friedrich Wilhelm Bessel, German, Halley's, Ireland, Observations, Paris, The
related to 2061 · 11
Halley's Comet → August, Earth, Halley, It, July, Jupiter, On, September, Sun, The, Venus
related to List of apparitions · 10
Halley's Comet → AD, BC, Gregorian, Halley's, In, Julian, Perihelion, The, The Roman, While Halley's Comet
Mean density · 2
Halley's Comet → 0.2–1.5 g/cm3 (est.), 0.55±0.25 g/cm3
Next perihelion · 2
Halley's Comet → 28 July 2061, ≈27 March 2134
Alternative designations · 1
Halley's Comet → Various (See Apparitions)

Important terminology Word statistics

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Important terminology

comet halley's halley comets apparition sun also orbit observations perihelion years may earth au 1986 appeared first solar nucleus tail

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Halley's CometAlternative designationsVarious (See Apparitions)1.00infobox
Halley's CometAphelion35.14 au1.00infobox
Halley's CometApparent magnitude2.1 (1986 apparition)1.00infobox
Halley's CometArgument of periapsis112.05°1.00infobox
Halley's CometComet nuclear magnitude (M2)13.61.00infobox
Halley's CometComet total magnitude (M1)5.51.00infobox
Halley's CometDimensions14.42 km × 7.4 km × 7.4 km (Giotto) 15.3 km × 7.22 km × 7.22 km (Vega)1.00infobox
Halley's CometDiscovered byEdmond Halley[a] (recognition of periodicity)1.00infobox
Halley's CometDiscovery date25 December 1758 (first predicted return)1.00infobox
Halley's CometEarliest precovery dateMay 240 BC1.00infobox
Halley's CometEarth MOID0.075 au1.00infobox
Halley's CometEccentricity0.966581.00infobox
Halley's CometEpoch4 August 2061 (JD 2474040.5)1.00infobox
Halley's CometEscape velocity~0.002 km/s1.00infobox
Halley's CometGeometric albedo0.041.00infobox
Halley's CometInclination161.96°1.00infobox
Halley's CometJupiter MOID0.783 au1.00infobox
Halley's CometLast perihelion8 February 19861.00infobox
Halley's CometLongitude of ascending node59.396°1.00infobox
Halley's CometMass(2.2±0.9)×1014 kg1.00infobox
Halley's CometMean anomaly0.07323°1.00infobox
Halley's CometMean density0.55±0.25 g/cm31.00infobox
Halley's CometMean density0.2–1.5 g/cm3 (est.)1.00infobox
Halley's CometMean diameter11 km (6.8 mi)1.00infobox
Halley's CometNext perihelion28 July 20611.00infobox
Halley's CometNext perihelion≈27 March 21341.00infobox
Halley's CometNumber of observations8,5181.00infobox
Halley's CometObservation arc2,243 years1.00infobox
Halley's CometOrbital period74.7 years1.00infobox
Halley's CometPerihelion0.59278 au1.00infobox

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