🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.5

Radius: 12.5

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.74 AU - 0.96 AU

Year: 506 Days

Day: 10.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,387,881 km

• M1: 155,881 km (0.106 R)
• M2: 544,686 km (0.104 R)
• M3: 956,379 km (0.054 R)
• M4: 1,405,173 km (0.098 R)
• M5: 2,522,071 km (0.069 R)
• M6: 3,215,008 km (0.105 R)
• M7: 3,968,084 km (0.094 R)
• M8: 4,359,880 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.2

Radius: 10.5

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.87 AU - 1.03 AU

Year: 598 Days

Day: 7.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,387,881 km

• M1: 130,599 km (0.036 R)
• M2: 594,203 km (0.088 R)
• M3: 1,050,925 km (0.099 R)
• M4: 1,584,241 km (0.086 R)
• M5: 1,981,424 km (0.082 R)
• M6: 2,390,125 km (0.11 R)
• M7: 2,733,153 km (0.102 R)
• M8: 3,066,008 km (0.105 R)
• M9: 3,508,369 km (0.086 R)
• M10: 4,137,877 km (0.093 R)
• M11: 4,694,381 km (0.06 R)
• M12: 5,082,438 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.3

Radius: 13.9

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.64 AU - 6.28 AU

Year: 8238 Days

Day: 8.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,387,881 km

• M1: 172,935 km (0.109 R)
• M2: 782,098 km (0.069 R)
• M3: 1,347,278 km (0.094 R)
• M4: 2,983,131 km (0.077 R)
• M5: 3,873,089 km (0.046 R)
• M6: 5,280,057 km (0.061 R)
• M7: 7,717,305 km (0.047 R)
• M8: 8,675,181 km (0.061 R)
• M9: 10,982,877 km (0.075 R)
• M10: 11,904,400 km (0.09 R)
• M11: 15,318,972 km (0.074 R)
• M12: 18,219,824 km (0.065 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.3

Radius: 5.8

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 8.83 AU - 12.95 AU

Year: 23204 Days

Day: 15.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 65.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,387,881 km

• M1: 72,106 km (0.06 R)
• M2: 262,544 km (0.105 R)
• M3: 501,452 km (0.116 R)
• M4: 710,590 km (0.095 R)
• M5: 957,277 km (0.079 R)
• M6: 1,379,741 km (0.109 R)
• M7: 1,752,090 km (0.086 R)
• M8: 2,096,315 km (0.042 R)
• M9: 2,828,896 km (0.085 R)
• M10: 4,141,168 km (0.057 R)
• M11: 4,752,126 km (0.098 R)
• M12: 5,633,856 km (0.086 R)
• M13: 6,075,618 km (0.114 R)
• M14: 7,409,882 km (0.108 R)
• M15: 8,307,319 km (0.059 R)
• M16: 8,928,300 km (0.094 R)
• M17: 9,325,632 km (0.1 R)
• M18: 9,734,483 km (0.118 R)
• M19: 11,548,806 km (0.058 R)
• M20: 12,627,706 km (0.086 R)
• M21: 15,687,730 km (0.094 R)
• M22: 17,235,919 km (0.103 R)
• M23: 20,632,688 km (0.08 R)
• M24: 24,546,617 km (0.04 R)
• M25: 26,830,378 km (0.098 R)
• M26: 27,138,400 km (0.104 R)
• M27: 27,971,062 km (0.042 R)
• M28: 28,928,189 km (0.098 R)
• M29: 29,797,053 km (0.095 R)
• M30: 30,127,366 km (0.025 R)
• M31: 30,795,170 km (0.083 R)
• M32: 33,092,695 km (0.088 R)
• M33: 35,378,849 km (0.091 R)
• M34: 41,209,277 km (0.114 R)
• M35: 43,286,443 km (0.085 R)
• M36: 51,341,989 km (0.07 R)
• M37: 52,614,469 km (0.1 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: 486 - 13,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit