🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.7

Radius: 9.4

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.4 AU - 0.62 AU

Year: 256 Days

Day: 6.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 32,980,915 km

• M1: 116,836 km (0.1 R)
• M2: 454,927 km (0.11 R)
• M3: 851,960 km (0.102 R)
• M4: 1,158,785 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.3

Radius: 12.5

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.43 AU - 0.69 AU

Year: 295 Days

Day: 14.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,980,915 km

• M1: 156,629 km (0.096 R)
• M2: 573,558 km (0.037 R)
• M3: 989,291 km (0.051 R)
• M4: 1,673,701 km (0.092 R)
• M5: 2,481,081 km (0.057 R)
• M6: 3,023,672 km (0.105 R)
• M7: 3,468,127 km (0.082 R)
• M8: 3,956,265 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.1

Radius: 12.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.56 AU - 0.86 AU

Year: 421 Days

Day: 5.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,980,915 km

• M1: 154,235 km (0.072 R)
• M2: 560,244 km (0.055 R)
• M3: 1,212,491 km (0.115 R)
• M4: 1,938,788 km (0.116 R)
• M5: 2,347,939 km (0.112 R)
• M6: 2,981,186 km (0.112 R)
• M7: 3,437,161 km (0.084 R)
• M8: 3,952,825 km (0.066 R)
• M9: 4,576,348 km (0.095 R)
• M10: 5,503,855 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.9

Radius: 14.9

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.69 AU - 0.85 AU

Year: 475 Days

Day: 10.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,980,915 km

• M1: 185,501 km (0.086 R)
• M2: 729,439 km (0.116 R)
• M3: 1,291,628 km (0.036 R)
• M4: 1,770,790 km (0.069 R)
• M5: 2,289,296 km (0.09 R)
• M6: 2,846,249 km (0.035 R)
• M7: 3,326,009 km (0.095 R)
• M8: 4,100,627 km (0.055 R)
• M9: 4,642,172 km (0.103 R)
• M10: 5,680,530 km (0.096 R)
• M11: 6,155,354 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.1

Radius: 8.6

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.9 AU - 1.2 AU

Year: 756 Days

Day: 5.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,980,915 km

• M1: 107,561 km (0.118 R)
• M2: 488,138 km (0.095 R)
• M3: 1,143,825 km (0.099 R)
• M4: 1,627,176 km (0.105 R)
• M5: 1,935,497 km (0.102 R)
• M6: 2,709,367 km (0.073 R)
• M7: 3,804,872 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124

Radius: 9.9

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.31 AU - 3.19 AU

Year: 3206 Days

Day: 5 Hours

Environment

Temp: -200 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,980,915 km

• M1: 123,119 km (0.069 R)
• M2: 739,761 km (0.101 R)
• M3: 2,719,390 km (0.032 R)
• M4: 3,404,698 km (0.045 R)
• M5: 3,805,171 km (0.026 R)
• M6: 4,975,775 km (0.06 R)
• M7: 5,600,795 km (0.096 R)
• M8: 12,625,013 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.5

Radius: 13.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.81 AU - 6.05 AU

Year: 8894 Days

Day: 12.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,980,915 km

• M1: 171,738 km (0.066 R)
• M2: 702,362 km (0.098 R)
• M3: 1,565,991 km (0.076 R)
• M4: 2,410,022 km (0.107 R)
• M5: 3,516,298 km (0.068 R)
• M6: 5,151,103 km (0.097 R)
• M7: 7,014,794 km (0.1 R)
• M8: 9,018,807 km (0.109 R)
• M9: 9,716,980 km (0.116 R)
• M10: 12,818,892 km (0.108 R)
• M11: 13,344,130 km (0.078 R)
• M12: 14,500,372 km (0.118 R)
• M13: 15,988,272 km (0.115 R)
• M14: 17,433,687 km (0.065 R)
• M15: 19,956,057 km (0.1 R)
• M16: 20,821,780 km (0.094 R)
• M17: 22,376,102 km (0.087 R)
• M18: 23,483,275 km (0.079 R)
• M19: 24,270,908 km (0.1 R)
• M20: 28,773,056 km (0.06 R)
• M21: 30,389,611 km (0.093 R)
• M22: 36,876,324 km (0.056 R)
• M23: 38,661,775 km (0.07 R)
• M24: 42,147,405 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.9

Radius: 3.6

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.89 AU - 7.75 AU

Year: 11168 Days

Day: 21 Hours

Environment

Temp: -223 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,980,915 km

• M1: 44,730 km (0.118 R)
• M2: 206,595 km (0.107 R)
• M3: 349,760 km (0.113 R)
• M4: 864,825 km (0.1 R)
• M5: 1,124,078 km (0.044 R)
• M6: 1,481,318 km (0.111 R)
• M7: 2,348,088 km (0.062 R)
• M8: 3,126,895 km (0.117 R)
• M9: 4,596,095 km (0.077 R)
• M10: 7,052,792 km (0.038 R)
• M11: 7,230,364 km (0.089 R)
• M12: 10,084,392 km (0.064 R)
• M13: 13,069,319 km (0.039 R)
• M14: 14,560,062 km (0.076 R)
• M15: 20,343,216 km (0.115 R)
• M16: 24,055,188 km (0.073 R)
• M17: 31,809,444 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 18,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit