Star system
HIP 28644
Economy
Military / Colony
Government
Cooperative
Allegiance
Independent
Star type
Class F star Scoopable
Coordinates
-2.66 / 15.31 / -154.31
Permit required
No
︎ HIP 28644 A - Class F star
Body distance-Solar masses1.7031Solar radius1.3788︎ HIP 28644 B - Class G star
Body distance9 LsSolar masses0.9570Solar radius1.0580︎ HIP 28644 AB 2 - Metal-rich body Landable
Body distance57 LsEarth masses0.1552Radius2,749 kmGravity0.83 gSurface temperature1,325 K (1,052°C/1,925°F)Surface pressure0.00 atmVolcanismMajor Metallic magmaAtmosphereTerraforming︎ Technetium: 1.4%︎ Niobium: 2.7%︎ Tungsten: 2.2%︎ Vanadium: 9.6%︎ Zinc: 10.7%︎ Zirconium: 4.6%︎ Iron: 39.2%︎ Nickel: 29.7%︎ HIP 28644 AB 1 - Metal-rich body Landable
Body distance57 LsEarth masses0.1743Radius2,851 kmGravity0.87 gSurface temperature1,325 K (1,052°C/1,925°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Antimony: 1.2%︎ Cadmium: 2.5%︎ Molybdenum: 2.1%︎ Chromium: 14.6%︎ Manganese: 13.4%︎ Zinc: 8.8%︎ Iron: 32.6%︎ Nickel: 24.6%︎ HIP 28644 AB 3 - Metal-rich body Landable
Body distance76 LsEarth masses0.4665Radius3,862 kmGravity1.27 gSurface temperature1,174 K (901°C/1,654°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereTerraforming︎ Technetium: 1.2%︎ Cadmium: 2.5%︎ Tin: 2.2%︎ Chromium: 14.6%︎ Manganese: 13.4%︎ Zinc: 8.8%︎ Iron: 32.6%︎ Nickel: 24.6%︎ HIP 28644 C - Class K star
Body distance849 LsSolar masses0.6250Solar radius0.7905︎ HIP 28644 D - Class K star
Body distance136,469 LsSolar masses0.6250Solar radius0.8119︎ HIP 28644 D 6 - Class III gas giant
Body distance133,656 LsRing/belt typeMetal rich (Pristine)Earth masses1,469.2100Radius75,187 kmGravity10.56 gSurface temperature359 K (85°C/186°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 28644 D 6 c - Icy body Landable
Body distance133,538 LsEarth masses0.0139Radius2,101 kmGravity0.13 gSurface temperature93 K (-180°C/-292°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 0.7%︎ Cadmium: 1.0%︎ Tin: 0.7%︎ Chromium: 5.5%︎ Germanium: 3.5%︎ Zinc: 3.3%︎ Carbon: 22.5%︎ Iron: 12.2%︎ Nickel: 9.3%︎ Phosphorus: 14.4%︎ Sulphur: 26.8%︎ HIP 28644 D 6 c a - Icy body Landable
Body distance133,641 LsEarth masses0.0006Radius746 kmGravity0.04 gSurface temperature93 K (-180°C/-292°F)Surface pressure0.00 atmVolcanismCarbon dioxide geysersAtmosphereTerraforming︎ Ruthenium: 0.6%︎ Molybdenum: 0.6%︎ Niobium: 0.7%︎ Arsenic: 1.4%︎ Manganese: 4.0%︎ Zinc: 2.6%︎ Carbon: 25.9%︎ Iron: 9.6%︎ Nickel: 7.2%︎ Phosphorus: 16.6%︎ Sulphur: 30.8%︎ HIP 28644 D 6 b - Icy body Landable
Body distance133,650 LsEarth masses0.0067Radius1,622 kmGravity0.10 gSurface temperature97 K (-177°C/-286°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.1%︎ Technetium: 0.5%︎ Cadmium: 1.0%︎ Molybdenum: 0.9%︎ Chromium: 6.0%︎ Zirconium: 1.5%︎ Carbon: 22.1%︎ Iron: 13.3%︎ Nickel: 10.0%︎ Phosphorus: 14.2%︎ Sulphur: 26.3%︎ HIP 28644 D 6 d - Icy body Landable
Body distance133,663 LsEarth masses0.0099Radius1,879 kmGravity0.11 gSurface temperature91 K (-182°C/-295°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.2%︎ Tellurium: 0.9%︎ Molybdenum: 0.8%︎ Tungsten: 0.7%︎ Chromium: 5.4%︎ Zinc: 3.3%︎ Carbon: 22.5%︎ Iron: 12.1%︎ Nickel: 9.1%︎ Phosphorus: 14.4%︎ Sulphur: 26.7%︎ HIP 28644 D 6 a - Icy body Landable
Body distance133,664 LsEarth masses0.0072Radius1,664 kmGravity0.11 gSurface temperature99 K (-174°C/-281°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.8%︎ Cadmium: 1.0%︎ Molybdenum: 0.8%︎ Chromium: 5.7%︎ Germanium: 3.6%︎ Manganese: 5.3%︎ Carbon: 21.3%︎ Iron: 12.8%︎ Nickel: 9.7%︎ Phosphorus: 13.6%︎ Sulphur: 25.3%︎ HIP 28644 D 6 e - Icy body Landable
Body distance133,685 LsEarth masses0.0084Radius1,782 kmGravity0.11 gSurface temperature89 K (-184°C/-299°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 0.9%︎ Molybdenum: 0.8%︎ Niobium: 0.8%︎ Chromium: 5.5%︎ Germanium: 3.5%︎ Vanadium: 3.0%︎ Carbon: 22.7%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.5%︎ Sulphur: 26.9%︎ HIP 28644 D 3 - High metal content world
Body distance136,508 LsEarth masses7.5376Radius10,688 kmGravity2.68 gSurface temperature2,681 K (2,408°C/4,366°F)Surface pressure1,160.45 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick Carbon dioxideTerraforming︎ HIP 28644 D 2 - High metal content world
Body distance136,519 LsEarth masses4.3381Radius9,241 kmGravity2.06 gSurface temperature3,321 K (3,048°C/5,518°F)Surface pressure3,042.90 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick Carbon dioxide-richTerraforming︎ HIP 28644 D 1 - Metal-rich body Landable
Body distance136,543 LsEarth masses0.2241Radius3,084 kmGravity0.96 gSurface temperature1,228 K (955°C/1,751°F)Surface pressure0.00 atmVolcanismMajor Metallic magmaAtmosphereTerraforming︎ Yttrium: 2.0%︎ Molybdenum: 2.2%︎ Niobium: 2.3%︎ Chromium: 15.4%︎ Vanadium: 8.4%︎ Zinc: 9.3%︎ Iron: 34.3%︎ Nickel: 25.9%︎ HIP 28644 D 4 - Class II gas giant
Body distance138,532 LsRing/belt typeRocky (Pristine)Earth masses707.8320Radius75,771 kmGravity5.01 gSurface temperature209 K (-64°C/-84°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 28644 D 4 e - Icy body Landable
Body distance138,486 LsEarth masses0.0008Radius800 kmGravity0.05 gSurface temperature100 K (-173°C/-280°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.0%︎ Cadmium: 1.0%︎ Niobium: 0.9%︎ Germanium: 3.8%︎ Vanadium: 3.2%︎ Zirconium: 1.5%︎ Carbon: 23.1%︎ Iron: 13.2%︎ Nickel: 10.0%︎ Phosphorus: 14.8%︎ Sulphur: 27.5%︎ HIP 28644 D 4 c - Icy body Landable
Body distance138,534 LsEarth masses0.0010Radius876 kmGravity0.05 gSurface temperature103 K (-170°C/-274°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.8%︎ Cadmium: 1.0%︎ Tin: 0.7%︎ Chromium: 5.6%︎ Manganese: 5.1%︎ Zinc: 3.4%︎ Carbon: 21.8%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 13.9%︎ Sulphur: 25.9%︎ HIP 28644 D 4 a - Rocky body Landable
Body distance138,534 LsEarth masses0.0002Radius408 kmGravity0.05 gSurface temperature125 K (-148°C/-235°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Mercury: 0.9%︎ Molybdenum: 1.3%︎ Arsenic: 2.6%︎ Germanium: 5.8%︎ Vanadium: 5.0%︎ Carbon: 16.7%︎ Iron: 20.5%︎ Nickel: 15.5%︎ Phosphorus: 10.7%︎ Sulphur: 19.8%︎ HIP 28644 D 4 d - Icy body Landable
Body distance138,535 LsEarth masses0.0008Radius809 kmGravity0.05 gSurface temperature101 K (-172°C/-277°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.8%︎ Molybdenum: 0.8%︎ Niobium: 0.9%︎ Arsenic: 1.6%︎ Chromium: 5.8%︎ Vanadium: 3.2%︎ Carbon: 22.7%︎ Iron: 12.9%︎ Nickel: 9.8%︎ Phosphorus: 14.5%︎ Sulphur: 27.0%︎ HIP 28644 D 4 b - Rocky body Landable
Body distance138,536 LsEarth masses0.0004Radius501 kmGravity0.06 gSurface temperature119 K (-154°C/-245°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.5%︎ Tungsten: 1.0%︎ Arsenic: 2.4%︎ Chromium: 8.6%︎ Manganese: 7.9%︎ Carbon: 15.5%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 9.9%︎ Sulphur: 18.4%︎ HIP 28644 D 5 - Class I gas giant
Body distance138,600 LsRing/belt typeIcy (Pristine)
Rocky (Pristine)Earth masses73.1803Radius53,121 kmGravity1.05 gSurface temperature110 K (-163°C/-262°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HIP 28644 D 5 c - Icy body Landable
Body distance138,523 LsEarth masses0.0004Radius667 kmGravity0.04 gSurface temperature94 K (-179°C/-290°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.8%︎ Mercury: 0.5%︎ Molybdenum: 0.8%︎ Chromium: 5.6%︎ Zinc: 3.4%︎ Zirconium: 1.4%︎ Carbon: 23.2%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 14.9%︎ Sulphur: 27.6%︎ HIP 28644 D 5 a - Icy body Landable
Body distance138,601 LsEarth masses0.0016Radius1,027 kmGravity0.06 gSurface temperature95 K (-178°C/-288°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Selenium: 4.1%︎ Tellurium: 0.9%︎ Molybdenum: 0.8%︎ Tungsten: 0.7%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Carbon: 22.1%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.1%︎ Sulphur: 26.2%︎ HIP 28644 D 5 b - Icy body Landable
Body distance138,602 LsEarth masses0.0011Radius897 kmGravity0.05 gSurface temperature95 K (-178°C/-289°F)Surface pressure0.00 atmVolcanismMinor Carbon dioxide geysersAtmosphereTerraforming︎ Selenium: 4.1%︎ Tellurium: 0.9%︎ Mercury: 0.5%︎ Molybdenum: 0.8%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Carbon: 22.1%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.2%︎ Sulphur: 26.3%