Star system
HD 73457
Economy
Government
Allegiance
Independent
Star type
Class B star Scoopable
Coordinates
1076.44 / 131.03 / -340.03
Permit required
No
Powerplay
Unoccupied
Powers
︎ HD 73457 A - Class B star
Body distance-Solar masses15.1367Solar radius3.0797︎ HD 73457 B - Black hole
Body distance423,031 LsSolar masses4.1680Solar radius0.0000︎ HD 73457 B 3 - Class III gas giant
Body distance419,196 LsRing/belt typeMetal rich (Pristine)Earth masses3,207.0700Radius65,173 kmGravity30.69 gSurface temperature770 K (497°C/926°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HD 73457 B 3 e - Icy body Landable
Body distance419,189 LsEarth masses0.0255Radius2,379 kmGravity0.18 gSurface temperature111 K (-163°C/-261°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.4%︎ Cadmium: 1.2%︎ Molybdenum: 1.0%︎ Manganese: 6.2%︎ Vanadium: 3.7%︎ Zinc: 4.1%︎ Carbon: 20.2%︎ Iron: 15.0%︎ Nickel: 11.4%︎ Phosphorus: 12.9%︎ Sulphur: 24.0%︎ HD 73457 B 3 a - Rocky body Landable
Body distance419,193 LsEarth masses0.0089Radius1,447 kmGravity0.17 gSurface temperature176 K (-97°C/-143°F)Surface pressure0.00 atmVolcanismMinor Silicate vapour geysersAtmosphereTerraforming︎ Yttrium: 1.1%︎ Niobium: 1.3%︎ Tin: 1.1%︎ Chromium: 8.6%︎ Germanium: 5.5%︎ Vanadium: 4.7%︎ Carbon: 15.6%︎ Iron: 19.1%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ HD 73457 B 3 c - Icy body Landable
Body distance419,195 LsEarth masses0.0463Radius2,887 kmGravity0.23 gSurface temperature130 K (-143°C/-225°F)Surface pressure0.00 atmVolcanismMinor Water geysersAtmosphereTerraforming︎ Ruthenium: 0.9%︎ Molybdenum: 1.0%︎ Tungsten: 0.8%︎ Chromium: 6.9%︎ Vanadium: 3.8%︎ Zirconium: 1.8%︎ Carbon: 20.5%︎ Iron: 15.3%︎ Nickel: 11.6%︎ Phosphorus: 13.1%︎ Sulphur: 24.4%︎ HD 73457 B 3 b - Rocky body
Body distance419,197 LsEarth masses0.0093Radius1,466 kmGravity0.18 gSurface temperature167 K (-106°C/-159°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HD 73457 B 3 d - Icy body Landable
Body distance419,198 LsEarth masses0.0322Radius2,567 kmGravity0.20 gSurface temperature118 K (-155°C/-247°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.9%︎ Mercury: 0.7%︎ Molybdenum: 1.0%︎ Arsenic: 2.0%︎ Germanium: 4.4%︎ Manganese: 6.3%︎ Carbon: 20.5%︎ Iron: 15.3%︎ Nickel: 11.5%︎ Phosphorus: 13.1%︎ Sulphur: 24.4%︎ HD 73457 B 3 g - Icy body Landable
Body distance419,199 LsEarth masses0.0614Radius3,407 kmGravity0.22 gSurface temperature95 K (-179°C/-289°F)Surface pressure0.01 atmVolcanismAtmosphereThin ArgonTerraforming︎ Selenium: 4.3%︎ Technetium: 0.4%︎ Molybdenum: 0.8%︎ Tin: 0.7%︎ Germanium: 3.5%︎ Vanadium: 3.0%︎ Carbon: 23.1%︎ Iron: 12.4%︎ Nickel: 9.4%︎ Phosphorus: 14.8%︎ Sulphur: 27.5%︎ HD 73457 B 3 f a - Icy body Landable
Body distance419,199 LsEarth masses0.0061Radius1,643 kmGravity0.09 gSurface temperature100 K (-173°C/-279°F)Surface pressure0.00 atmVolcanismWater geysersAtmosphereTerraforming︎ Tellurium: 0.8%︎ Cadmium: 0.7%︎ Niobium: 0.6%︎ Arsenic: 1.4%︎ Chromium: 4.2%︎ Manganese: 3.9%︎ Carbon: 25.4%︎ Iron: 9.3%︎ Nickel: 7.1%︎ Phosphorus: 16.3%︎ Sulphur: 30.3%︎ HD 73457 B 3 f - Icy body
Body distance419,200 LsEarth masses0.1382Radius4,415 kmGravity0.29 gSurface temperature104 K (-169°C/-272°F)Surface pressure3.95 atmVolcanismAtmosphereNitrogenTerraforming︎ HD 73457 B 4 - Class IV gas giant
Body distance419,380 LsRing/belt typeRocky (Pristine)Earth masses3,344.8200Radius65,988 kmGravity31.22 gSurface temperature808 K (535°C/995°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HD 73457 B 4 a - Rocky body Landable
Body distance419,378 LsEarth masses0.0014Radius793 kmGravity0.09 gSurface temperature191 K (-82°C/-116°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Selenium: 3.0%︎ Cadmium: 1.5%︎ Tungsten: 1.1%︎ Manganese: 8.1%︎ Zinc: 5.3%︎ Carbon: 16.0%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ HD 73457 B 4 b - Rocky body
Body distance419,380 LsEarth masses0.0025Radius955 kmGravity0.11 gSurface temperature175 K (-98°C/-145°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ HD 73457 B 4 c - Rocky body Landable
Body distance419,383 LsEarth masses0.0012Radius754 kmGravity0.09 gSurface temperature160 K (-113°C/-172°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.5%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Germanium: 5.8%︎ Zinc: 5.5%︎ Zirconium: 2.3%︎ Carbon: 16.6%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.6%︎ Sulphur: 19.7%︎ HD 73457 B 4 d - Rocky body Landable
Body distance419,386 LsEarth masses0.0078Radius1,387 kmGravity0.17 gSurface temperature127 K (-146°C/-232°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.1%︎ Yttrium: 1.2%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Arsenic: 2.6%︎ Manganese: 8.3%︎ Carbon: 16.5%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.6%︎ Sulphur: 19.7%︎ HD 73457 B 1 - Class III gas giant
Body distance421,840 LsRing/belt typeIcy (Pristine)Earth masses1,279.2400Radius75,735 kmGravity9.06 gSurface temperature255 K (-18°C/-1°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HD 73457 B 1 e - Icy body Landable
Body distance421,830 LsEarth masses0.0026Radius1,204 kmGravity0.07 gSurface temperature40 K (-233°C/-387°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.2%︎ Tellurium: 0.9%︎ Tin: 0.7%︎ Tungsten: 0.7%︎ Germanium: 3.5%︎ Manganese: 5.0%︎ Carbon: 22.6%︎ Iron: 12.1%︎ Nickel: 9.1%︎ Phosphorus: 14.5%︎ Sulphur: 26.8%︎ HD 73457 B 1 c - Icy body Landable
Body distance421,832 LsEarth masses0.0034Radius1,327 kmGravity0.08 gSurface temperature44 K (-229°C/-380°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.3%︎ Tin: 0.7%︎ Tungsten: 0.7%︎ Chromium: 5.6%︎ Vanadium: 3.1%︎ Zirconium: 1.5%︎ Carbon: 23.4%︎ Iron: 12.5%︎ Nickel: 9.5%︎ Phosphorus: 15.0%︎ Sulphur: 27.8%︎ HD 73457 B 1 d - Icy body Landable
Body distance421,837 LsEarth masses0.0030Radius1,267 kmGravity0.08 gSurface temperature42 K (-231°C/-385°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.8%︎ Molybdenum: 0.8%︎ Tungsten: 0.7%︎ Arsenic: 1.6%︎ Germanium: 3.6%︎ Vanadium: 3.1%︎ Carbon: 23.7%︎ Iron: 12.7%︎ Nickel: 9.6%︎ Phosphorus: 15.2%︎ Sulphur: 28.2%︎ HD 73457 B 1 h - Icy body Landable
Body distance421,840 LsEarth masses0.0043Radius1,433 kmGravity0.09 gSurface temperature37 K (-237°C/-394°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Cadmium: 0.9%︎ Mercury: 0.5%︎ Chromium: 5.5%︎ Germanium: 3.5%︎ Vanadium: 3.0%︎ Carbon: 22.8%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.6%︎ Sulphur: 27.1%︎ HD 73457 B 1 f - Icy body Landable
Body distance421,841 LsEarth masses0.0027Radius1,226 kmGravity0.07 gSurface temperature40 K (-233°C/-387°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.2%︎ Yttrium: 0.7%︎ Cadmium: 0.9%︎ Niobium: 0.8%︎ Chromium: 5.4%︎ Germanium: 3.4%︎ Carbon: 22.4%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.4%︎ Sulphur: 26.7%︎ HD 73457 B 1 b - Icy body Landable
Body distance421,843 LsEarth masses0.0043Radius1,429 kmGravity0.09 gSurface temperature49 K (-224°C/-371°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Cadmium: 1.0%︎ Niobium: 0.8%︎ Manganese: 5.1%︎ Vanadium: 3.0%︎ Zinc: 3.3%︎ Carbon: 22.8%︎ Iron: 12.2%︎ Nickel: 9.3%︎ Phosphorus: 14.6%︎ Sulphur: 27.1%︎ HD 73457 B 1 a - Icy body Landable
Body distance421,845 LsEarth masses0.0017Radius1,049 kmGravity0.06 gSurface temperature52 K (-221°C/-366°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.3%︎ Yttrium: 0.7%︎ Niobium: 0.8%︎ Tungsten: 0.7%︎ Germanium: 3.5%︎ Zinc: 3.3%︎ Carbon: 23.0%︎ Iron: 12.3%︎ Nickel: 9.3%︎ Phosphorus: 14.7%︎ Sulphur: 27.3%︎ HD 73457 B 1 j - Icy body Landable
Body distance421,850 LsEarth masses0.0053Radius1,532 kmGravity0.09 gSurface temperature36 K (-237°C/-395°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Cadmium: 0.9%︎ Molybdenum: 0.8%︎ Germanium: 3.5%︎ Manganese: 5.0%︎ Vanadium: 3.0%︎ Carbon: 22.8%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.6%︎ Sulphur: 27.1%︎ HD 73457 B 1 i - Icy body Landable
Body distance422,252 LsEarth masses0.0040Radius1,392 kmGravity0.08 gSurface temperature37 K (-237°C/-394°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.2%︎ Technetium: 0.4%︎ Molybdenum: 0.8%︎ Tungsten: 0.7%︎ Manganese: 5.0%︎ Zinc: 3.3%︎ Carbon: 22.7%︎ Iron: 12.1%︎ Nickel: 9.2%︎ Phosphorus: 14.5%︎ Sulphur: 27.0%︎ HD 73457 B 1 g - Icy body Landable
Body distance422,269 LsEarth masses0.0053Radius1,534 kmGravity0.09 gSurface temperature39 K (-235°C/-390°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.7%︎ Selenium: 4.1%︎ Mercury: 0.5%︎ Tin: 0.7%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Carbon: 22.2%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.2%︎ Sulphur: 26.4%︎ HD 73457 B 2 - Class III gas giant
Body distance424,999 LsRing/belt typeRocky (Pristine)Earth masses3,067.5200Radius66,567 kmGravity28.14 gSurface temperature713 K (440°C/824°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HD 73457 B 2 d - Icy body Landable
Body distance424,990 LsEarth masses0.0501Radius3,190 kmGravity0.20 gSurface temperature67 K (-207°C/-340°F)Surface pressure0.02 atmVolcanismAtmosphereThin ArgonTerraforming︎ Yttrium: 0.7%︎ 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: 14.6%︎ Sulphur: 27.0%︎ HD 73457 B 2 c - Icy body Landable
Body distance424,993 LsEarth masses0.0236Radius2,497 kmGravity0.15 gSurface temperature75 K (-198°C/-324°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.2%︎ Yttrium: 0.7%︎ Cadmium: 0.9%︎ Mercury: 0.5%︎ Germanium: 3.5%︎ Manganese: 5.0%︎ Carbon: 22.6%︎ Iron: 12.1%︎ Nickel: 9.1%︎ Phosphorus: 14.5%︎ Sulphur: 26.9%︎ HD 73457 B 2 e - Icy body Landable
Body distance424,993 LsEarth masses0.0458Radius3,099 kmGravity0.19 gSurface temperature55 K (-218°C/-360°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Mercury: 0.5%︎ Tin: 0.7%︎ Chromium: 5.5%︎ Manganese: 5.0%︎ Zirconium: 1.4%︎ Carbon: 22.8%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.6%︎ Sulphur: 27.1%︎ HD 73457 B 2 b - Icy body Landable
Body distance424,994 LsEarth masses0.0249Radius2,544 kmGravity0.16 gSurface temperature80 K (-193°C/-316°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Selenium: 4.1%︎ Mercury: 0.5%︎ Tungsten: 0.7%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Carbon: 22.2%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.2%︎ Sulphur: 26.4%︎ HD 73457 B 2 f - Icy body Landable
Body distance425,021 LsRing/belt typeIcy (Pristine)Earth masses0.2103Radius5,109 kmGravity0.33 gSurface temperature46 K (-227°C/-377°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.2%︎ Tellurium: 0.8%︎ Molybdenum: 0.8%︎ Tungsten: 0.7%︎ Manganese: 4.9%︎ Zinc: 3.2%︎ Carbon: 22.8%︎ Iron: 11.9%︎ Nickel: 9.0%︎ Phosphorus: 14.6%︎ Sulphur: 27.1%︎ HD 73457 B 2 a - Icy body Landable
Body distance425,331 LsEarth masses0.0244Radius2,514 kmGravity0.16 gSurface temperature108 K (-165°C/-265°F)Surface pressure0.00 atmVolcanismMinor Carbon dioxide geysersAtmosphereTerraforming︎ Tellurium: 0.9%︎ Niobium: 0.8%︎ Tin: 0.7%︎ Chromium: 5.5%︎ Manganese: 5.0%︎ Zinc: 3.3%︎ Carbon: 22.0%︎ Iron: 12.2%︎ Nickel: 9.2%︎ Phosphorus: 14.1%︎ Sulphur: 26.2%︎ HD 73457 B 6 - Icy body
Body distance426,606 LsRing/belt typeIcy (Pristine)Earth masses100.0960Radius23,689 kmGravity7.25 gSurface temperature26 K (-247°C/-413°F)Surface pressure24.24 atmVolcanismWater geysersAtmosphereThick HeliumTerraforming︎ HD 73457 B 6 a - Icy body Landable
Body distance426,606 LsEarth masses0.0003Radius559 kmGravity0.03 gSurface temperature24 K (-249°C/-416°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Yttrium: 0.7%︎ Cadmium: 1.0%︎ Tin: 0.7%︎ Arsenic: 1.6%︎ Chromium: 5.6%︎ Zinc: 3.4%︎ Carbon: 23.1%︎ Iron: 12.4%︎ Nickel: 9.3%︎ Phosphorus: 14.8%︎ Sulphur: 27.5%︎ HD 73457 B 5 - Class I gas giant
Body distance426,669 LsRing/belt typeIcy (Pristine)Earth masses277.2820Radius43,198 kmGravity6.04 gSurface temperature59 K (-214°C/-354°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ HD 73457 B 5 b - Icy body Landable
Body distance426,451 LsEarth masses0.0065Radius1,640 kmGravity0.10 gSurface temperature28 K (-245°C/-410°F)Surface pressure0.00 atmVolcanismMajor Water magmaAtmosphereTerraforming︎ Ruthenium: 0.8%︎ Niobium: 0.8%︎ Tungsten: 0.7%︎ Arsenic: 1.6%︎ Chromium: 5.6%︎ Germanium: 3.5%︎ Carbon: 23.1%︎ Iron: 12.4%︎ Nickel: 9.3%︎ Phosphorus: 14.8%︎ Sulphur: 27.5%︎ HD 73457 B 5 c - Icy body Landable
Body distance426,665 LsEarth masses0.0090Radius1,817 kmGravity0.11 gSurface temperature26 K (-247°C/-412°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 0.8%︎ Cadmium: 1.0%︎ Tungsten: 0.7%︎ Manganese: 5.2%︎ Vanadium: 3.1%︎ Zirconium: 1.5%︎ Carbon: 23.2%︎ Iron: 12.6%︎ Nickel: 9.5%︎ Phosphorus: 14.9%︎ Sulphur: 27.6%︎ HD 73457 B 5 c a - Icy body Landable
Body distance426,665 LsEarth masses0.0006Radius767 kmGravity0.04 gSurface temperature26 K (-247°C/-412°F)Surface pressure0.00 atmVolcanismMajor Water geysersAtmosphereTerraforming︎ Selenium: 4.8%︎ Tellurium: 0.8%︎ Mercury: 0.4%︎ Niobium: 0.6%︎ Arsenic: 1.4%︎ Vanadium: 2.3%︎ Carbon: 25.8%︎ Iron: 9.5%︎ Nickel: 7.2%︎ Phosphorus: 16.5%︎ Sulphur: 30.7%︎ HD 73457 B 5 a - Icy body Landable
Body distance426,667 LsEarth masses0.0072Radius1,697 kmGravity0.10 gSurface temperature28 K (-245°C/-409°F)Surface pressure0.00 atmVolcanismCarbon dioxide geysersAtmosphereTerraforming︎ Ruthenium: 0.8%︎ Selenium: 4.4%︎ Niobium: 0.9%︎ Tin: 0.7%︎ Arsenic: 1.6%︎ Vanadium: 3.1%︎ Carbon: 23.5%︎ Iron: 12.6%︎ Nickel: 9.5%︎ Phosphorus: 15.0%︎ Sulphur: 27.9%︎ HD 73457 B 5 d - Icy body Landable
Body distance426,672 LsEarth masses0.0038Radius1,378 kmGravity0.08 gSurface temperature26 K (-247°C/-413°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 0.7%︎ Selenium: 4.1%︎ Molybdenum: 0.8%︎ Niobium: 0.8%︎ Chromium: 5.3%︎ Manganese: 4.9%︎ Carbon: 22.1%︎ Iron: 11.8%︎ Nickel: 9.0%︎ Phosphorus: 14.2%︎ Sulphur: 26.3%