🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.4

Radius: 11.8

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.08 AU - 1.18 AU

Year: 764 Days

Day: 12.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,017,373 km

• M1: 146,756 km (0.038 R)
• M2: 542,891 km (0.056 R)
• M3: 913,445 km (0.096 R)
• M4: 1,483,562 km (0.105 R)
• M5: 2,061,907 km (0.063 R)
• M6: 2,580,713 km (0.087 R)
• M7: 3,387,644 km (0.102 R)
• M8: 4,531,170 km (0.12 R)
• M9: 4,991,333 km (0.085 R)
• M10: 5,880,692 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.3

Radius: 12.3

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.38 AU - 1.66 AU

Year: 1192 Days

Day: 8.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,017,373 km

• M1: 153,637 km (0.069 R)
• M2: 678,875 km (0.057 R)
• M3: 1,173,296 km (0.1 R)
• M4: 1,674,748 km (0.111 R)
• M5: 2,284,659 km (0.099 R)
• M6: 2,800,472 km (0.108 R)
• M7: 4,085,817 km (0.042 R)
• M8: 4,484,047 km (0.119 R)
• M9: 5,859,300 km (0.111 R)
• M10: 6,299,866 km (0.095 R)
• M11: 6,738,636 km (0.098 R)
• M12: 7,524,324 km (0.047 R)
• M13: 8,072,301 km (0.088 R)
• M14: 8,731,130 km (0.066 R)
• M15: 9,248,589 km (0.079 R)
• M16: 9,665,219 km (0.11 R)

Asteroid Belt

Center: 2.66 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.2

Radius: 13.1

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.99 AU - 4.61 AU

Year: 4710 Days

Day: 7.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,017,373 km

• M1: 164,109 km (0.081 R)
• M2: 630,854 km (0.119 R)
• M3: 1,583,045 km (0.119 R)
• M4: 2,053,081 km (0.052 R)
• M5: 2,747,514 km (0.051 R)
• M6: 3,199,898 km (0.107 R)
• M7: 4,757,960 km (0.1 R)
• M8: 5,344,982 km (0.053 R)
• M9: 5,779,265 km (0.062 R)
• M10: 6,829,741 km (0.117 R)
• M11: 7,728,525 km (0.086 R)
• M12: 9,070,119 km (0.074 R)
• M13: 9,585,184 km (0.046 R)
• M14: 10,978,090 km (0.058 R)
• M15: 11,484,329 km (0.084 R)
• M16: 12,006,276 km (0.105 R)
• M17: 12,460,156 km (0.095 R)
• M18: 16,263,981 km (0.087 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.6

Radius: 7.3

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.28 AU - 6.96 AU

Year: 9626 Days

Day: 15.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,017,373 km

• M1: 90,956 km (0.067 R)
• M2: 320,139 km (0.102 R)
• M3: 630,405 km (0.066 R)
• M4: 1,062,294 km (0.079 R)
• M5: 1,526,796 km (0.096 R)
• M6: 2,089,433 km (0.074 R)
• M7: 3,619,520 km (0.082 R)
• M8: 4,484,346 km (0.077 R)
• M9: 4,937,478 km (0.109 R)
• M10: 5,997,977 km (0.096 R)
• M11: 7,238,592 km (0.051 R)
• M12: 7,900,264 km (0.111 R)
• M13: 13,541,898 km (0.077 R)
• M14: 17,915,392 km (0.104 R)
• M15: 20,670,835 km (0.095 R)
• M16: 25,231,925 km (0.108 R)
• M17: 28,769,316 km (0.096 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 11,091 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit