🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.95 AU - 1.07 AU

Year: 389 Days

Day: 32.9 Hours

Environment

Temp: 7 °C

Axial Tilt: 12.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.96 AU - 1.54 AU

Year: 535 Days

Day: 35.3 Hours

Environment

Temp: -39 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.57 AU - 1.89 AU

Year: 871 Days

Day: 19.9 Hours

Environment

Temp: -64 °C

Axial Tilt: 7.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2 AU - 2.18 AU

Year: 1157 Days

Day: 21.9 Hours

Environment

Temp: -78 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 82,046,208 km

• M1: 15,259 km (0.118 R)
• M2: 588,668 km (0.117 R)

Asteroid Belt

Center: 3.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.2

Radius: 10.4

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.01 AU - 5.71 AU

Year: 4751 Days

Day: 13.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,046,208 km

• M1: 129,402 km (0.106 R)
• M2: 545,733 km (0.105 R)
• M3: 1,043,146 km (0.069 R)
• M4: 1,844,991 km (0.103 R)
• M5: 2,190,861 km (0.078 R)
• M6: 2,680,644 km (0.081 R)
• M7: 3,582,719 km (0.107 R)
• M8: 4,455,473 km (0.096 R)
• M9: 5,138,836 km (0.116 R)
• M10: 6,431,063 km (0.075 R)
• M11: 9,443,964 km (0.096 R)
• M12: 11,784,722 km (0.082 R)
• M13: 12,305,023 km (0.117 R)
• M14: 13,189,595 km (0.088 R)
• M15: 14,274,629 km (0.116 R)
• M16: 16,445,743 km (0.104 R)
• M17: 17,276,310 km (0.079 R)
• M18: 17,701,916 km (0.073 R)
• M19: 20,675,174 km (0.118 R)
• M20: 22,930,062 km (0.083 R)

Asteroid Belt

Center: 6.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.4

Radius: 11.4

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.98 AU - 9.1 AU

Year: 9556 Days

Day: 8.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,046,208 km

• M1: 141,819 km (0.096 R)
• M2: 523,593 km (0.101 R)
• M3: 1,254,677 km (0.097 R)
• M4: 2,166,177 km (0.055 R)
• M5: 2,766,214 km (0.097 R)
• M6: 3,150,830 km (0.095 R)
• M7: 3,719,601 km (0.056 R)
• M8: 5,949,358 km (0.108 R)
• M9: 9,754,230 km (0.094 R)
• M10: 12,501,296 km (0.056 R)
• M11: 15,527,361 km (0.091 R)
• M12: 17,894,149 km (0.079 R)
• M13: 20,491,916 km (0.113 R)
• M14: 22,048,183 km (0.068 R)
• M15: 24,214,211 km (0.041 R)
• M16: 26,518,616 km (0.1 R)
• M17: 26,900,390 km (0.112 R)
• M18: 28,864,760 km (0.107 R)
• M19: 29,574,302 km (0.091 R)
• M20: 30,191,842 km (0.092 R)
• M21: 35,560,461 km (0.109 R)
• M22: 38,286,882 km (0.118 R)
• M23: 41,405,250 km (0.12 R)
• M24: 42,568,224 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.4

Radius: 6.1

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 10.61 AU - 13.53 AU

Year: 16056 Days

Day: 23.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,046,208 km

• M1: 76,145 km (0.089 R)
• M2: 277,205 km (0.08 R)
• M3: 683,363 km (0.087 R)
• M4: 915,539 km (0.113 R)
• M5: 1,332,767 km (0.067 R)
• M6: 1,627,924 km (0.108 R)
• M7: 2,331,483 km (0.097 R)
• M8: 2,659,701 km (0.098 R)
• M9: 4,234,069 km (0.105 R)
• M10: 7,709,227 km (0.083 R)
• M11: 9,833,966 km (0.074 R)
• M12: 11,431,521 km (0.12 R)
• M13: 11,981,892 km (0.113 R)
• M14: 13,135,142 km (0.094 R)
• M15: 13,374,349 km (0.089 R)
• M16: 14,360,648 km (0.096 R)
• M17: 17,973,586 km (0.111 R)
• M18: 18,944,177 km (0.11 R)
• M19: 19,480,934 km (0.088 R)
• M20: 29,302,932 km (0.1 R)
• M21: 29,814,407 km (0.078 R)
• M22: 38,706,953 km (0.094 R)
• M23: 42,239,707 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.4

Radius: 7.7

Gravity: 13.35 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 13.25 AU - 16.03 AU

Year: 21448 Days

Day: 17.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,046,208 km

• M1: 236,514 km (0.1 R)
• M2: 891,903 km (0.108 R)
• M3: 1,139,038 km (0.103 R)
• M4: 2,009,698 km (0.111 R)
• M5: 2,420,045 km (0.073 R)
• M6: 2,963,983 km (0.113 R)
• M7: 3,379,715 km (0.068 R)
• M8: 4,158,671 km (0.067 R)
• M9: 4,863,876 km (0.101 R)
• M10: 7,408,984 km (0.09 R)
• M11: 7,966,087 km (0.069 R)
• M12: 9,393,849 km (0.119 R)
• M13: 9,865,531 km (0.086 R)
• M14: 10,229,652 km (0.098 R)
• M15: 12,324,770 km (0.032 R)
• M16: 16,313,648 km (0.119 R)
• M17: 18,782,162 km (0.068 R)
• M18: 19,153,913 km (0.092 R)
• M19: 21,489,136 km (0.056 R)
• M20: 21,793,867 km (0.086 R)
• M21: 25,225,193 km (0.085 R)
• M22: 26,367,223 km (0.09 R)
• M23: 27,662,890 km (0.114 R)
• M24: 31,411,663 km (0.07 R)
• M25: 34,644,174 km (0.062 R)
• M26: 37,355,336 km (0.109 R)
• M27: 44,994,103 km (0.108 R)
• M28: 57,423,442 km (0.107 R)
• M29: 59,595,154 km (0.049 R)
• M30: 61,412,319 km (0.05 R)
• M31: 63,892,353 km (0.04 R)
• M32: 67,954,085 km (0.069 R)
• M33: 69,936,855 km (0.086 R)
• M34: 72,184,862 km (0.097 R)
• M35: 78,254,048 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.3

Radius: 7.1

Gravity: 11.04 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 14.42 AU - 17.88 AU

Year: 24850 Days

Day: 23 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,046,208 km

• M1: 88,263 km (0.082 R)
• M2: 815,308 km (0.096 R)
• M3: 1,665,922 km (0.086 R)
• M4: 2,107,984 km (0.065 R)
• M5: 7,165,439 km (0.089 R)
• M6: 8,222,797 km (0.08 R)
• M7: 10,832,681 km (0.115 R)
• M8: 12,568,316 km (0.045 R)
• M9: 17,439,521 km (0.097 R)
• M10: 19,906,091 km (0.094 R)
• M11: 20,581,675 km (0.069 R)
• M12: 22,699,981 km (0.11 R)
• M13: 24,299,332 km (0.095 R)
• M14: 31,191,605 km (0.091 R)
• M15: 43,483,015 km (0.075 R)
• M16: 46,781,648 km (0.107 R)
• M17: 57,283,717 km (0.03 R)
• M18: 60,234,835 km (0.036 R)
• M19: 72,826,188 km (0.058 R)
• M20: 76,520,208 km (0.099 R)
• M21: 80,094,850 km (0.043 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 16,346 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit