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Haumea

Haumea (minor-planet number 136108) is a dwarf planet located beyond Neptune's orbit. It was discovered in 2004 by a team headed by Mike Brown of Caltech at the Palomar Observatory, and formally announced in 2005 by a team headed by José Luis Ortiz Moreno at the Sierra Nevada Observatory in Spain, who had discovered it that year in precovery images taken…

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Absolute magnitude (H)
0.428±0.011 (V-band) · 0.14
Adjectives
Haumean
Alternative designations
(136108) Haumea 2003 EL61
Aphelion
51.585 AU (7.7170 Tm)
Apparent magnitude
17.3 (opposition)
Argument of perihelion
239.041°

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Overview

History

Orbit

Rotation

Physical characteristics

Ring

Satellites

Collisional family

Exploration

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Map overview Semantic statistics

Haumea

Nodes159
Edges158
Triples251
Avg. degree1.99
Density0.012579
Components1

How this topic connects Entity context

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Haumea

Top relations

related to Name and symbol · 29
Haumea → Caltech, Christmas, David Rabinowitz, December, EL61, Following, Gemini, Haumea's, Hawaiian, Hawaiʻi, Hiʻiaka, IAU, In, July, Keck Observatory, Kuiper, Lastly, Mauna Kea, Minor Planet Center, Nāmaka
related to Discovery · 23
Haumea → Andalucía, Astrofísica, At, Caltech, Chad Trujillo, David Rabinowitz, December, Gemini Observatory, Hawaii, Instituto, José Luis Ortiz Moreno, July, March, May, Mike Brown, Minor Planet Center, On, Ortiz, September, Sierra Nevada Observatory
related to Size, shape, and composition · 17
Haumea → By, Earth, For, Haumea's, Haumean, However, If, If Haumea, It, Kuiper, Moon, Objects, Pluto, Solar System, Such, The, This
related to Orbit · 16
Haumea → As, AU, Earth, Haumea's, However, It, Kozai, Kuiper, Makemake, Neptune, Pluto, Solar System, Sun, These, This, With
related to Collisional family · 15
Haumea → Brown, Haumea's, In, Kuiper, Neptune's, OP32, RR43, SM55, Solar System, The, Therefore, This, TNOs, TO66, TX300
related to Satellites · 15
Haumea → Brown, Caltech, Darin Ragozzine, Haumea II, Haumean, Hiʻiaka, It, January, Keck Observatory, Michael Brown, Namaka, Rudolph, Strong, The, Two
related to External links · 14
Haumea → Animation, Astronomy, Darin Ragozzine, Dwarf Planet Haumea, Haumea's, Hiʻiaka, International Year, Johnston's Archive, June, Mike Brown, Namaka, Neptune, September, WHT
related to Rotation · 14
Haumea → Although, Brown, Earth, Haumea's, Hiʻiaka, Hiʻiaka's, If Haumea, Kondratyev, Kornoukhov, Ragozzine, Solar System, The, This, While
related to Surface · 14
Haumea → Charon, Gemini, Haumea's, However, In, Keck, Neptunian, Pluto, Pluto's, Radiation, Sun, The, Therefore, This
related to Exploration · 11
Haumea → AU, Earth, Haumea's, January, May, New Horizons, November, October, Probe, September, The

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Important terminology

haumea's ice hiʻiaka ring albedo objects km shape pluto discovery surface family discovered planet team system would density orbit large

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
HaumeaAbsolute magnitude (H)0.428±0.011 (V-band) · 0.141.00infobox
HaumeaAdjectivesHaumean1.00infobox
HaumeaAlternative designations(136108) Haumea 2003 EL611.00infobox
HaumeaAphelion51.585 AU (7.7170 Tm)1.00infobox
HaumeaApparent magnitude17.3 (opposition)1.00infobox
HaumeaArgument of perihelion239.041°1.00infobox
HaumeaAverage orbital speed4.53 km/s[nb 2]1.00infobox
HaumeaAxial tilt≈ 126° (to orbit; assumed) 81.2° or 78.9° (to ecliptic)[nb 4]1.00infobox
HaumeaDimensions2,122+174 −144 × 1,688+10 −14 × 1,036+36 −38 km1.00infobox
HaumeaDiscovered byBrown et al.1.00infobox
HaumeaDiscovered byOrtiz et al.1.00infobox
HaumeaDiscovery date7 March 2003 (Ortiz)1.00infobox
HaumeaDiscovery date28 December 2004 (Brown)1.00infobox
HaumeaEarliest precovery date22 March 19551.00infobox
HaumeaEccentricity0.196421.00infobox
HaumeaEquatorial escape velocity1 km/s at poles to 0.71 km/s at longest axis1.00infobox
HaumeaEquatorial surface gravity0.93 m/s2 at poles to 0.24 m/s2 at longest axis1.00infobox
HaumeaGeometric albedo≈ 0.66 geometric[nb 3]1.00infobox
HaumeaGeometric albedo≤ 0.51±0.02 geometric1.00infobox
HaumeaGeometric albedo0.33±0.03 Bond1.00infobox
HaumeaInclination28.2137°1.00infobox
HaumeaKnown satellites2 (Hiʻiaka and Namaka)1.00infobox
HaumeaLongitude of ascending node122.167°1.00infobox
HaumeaMass(3.952±0.011)×1021 kg 0.00066 Earths1.00infobox
HaumeaMean anomaly218.205°1.00infobox
HaumeaMean density2.050+0.157 −0.152 g/cm31.00infobox
HaumeaMean diameter1,544+40 −38 km1.00infobox
HaumeaMean motion0° 0m 12.533s / day1.00infobox
HaumeaMinor planet categoryDwarf planet1.00infobox
HaumeaMinor planet categoryTNO1.00infobox

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