🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.6

Radius: 8.4

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.57 AU - 0.61 AU

Year: 313 Days

Day: 10.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,655,065 km

• M1: 104,419 km (0.082 R)
• M2: 466,147 km (0.12 R)
• M3: 832,213 km (0.108 R)
• M4: 1,119,291 km (0.092 R)
• M5: 1,460,973 km (0.094 R)
• M6: 1,834,519 km (0.111 R)
• M7: 3,049,852 km (0.029 R)
• M8: 3,500,889 km (0.095 R)
• M9: 3,821,627 km (0.076 R)
• M10: 4,319,788 km (0.113 R)
• M11: 4,731,930 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506

Radius: 13.4

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.23 AU - 1.95 AU

Year: 1384 Days

Day: 13.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,655,065 km

• M1: 167,699 km (0.103 R)
• M2: 669,301 km (0.108 R)
• M3: 1,166,714 km (0.098 R)
• M4: 1,586,336 km (0.107 R)
• M5: 2,734,799 km (0.063 R)
• M6: 3,247,022 km (0.108 R)
• M7: 3,807,116 km (0.08 R)
• M8: 4,431,538 km (0.104 R)
• M9: 5,045,188 km (0.076 R)
• M10: 6,261,568 km (0.045 R)
• M11: 7,408,984 km (0.106 R)
• M12: 8,033,256 km (0.104 R)
• M13: 8,496,411 km (0.071 R)
• M14: 9,093,157 km (0.071 R)
• M15: 9,963,218 km (0.105 R)
• M16: 11,388,437 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.1

Radius: 10.9

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.18 AU - 3.36 AU

Year: 3182 Days

Day: 6.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,655,065 km

• M1: 136,433 km (0.086 R)
• M2: 489,783 km (0.1 R)
• M3: 1,083,089 km (0.105 R)
• M4: 1,627,924 km (0.039 R)
• M5: 2,256,085 km (0.076 R)
• M6: 2,595,373 km (0.104 R)
• M7: 3,184,041 km (0.096 R)
• M8: 4,241,249 km (0.112 R)
• M9: 6,164,629 km (0.057 R)
• M10: 6,835,725 km (0.054 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.3

Radius: 3

Gravity: 24.59 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.03 AU - 8.83 AU

Year: 16895 Days

Day: 21.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,655,065 km

• M1: 38,895 km (0.106 R)
• M2: 300,243 km (0.12 R)
• M3: 540,497 km (0.048 R)
• M4: 634,594 km (0.104 R)
• M5: 801,246 km (0.069 R)
• M6: 895,044 km (0.057 R)
• M7: 1,550,582 km (0.108 R)
• M8: 1,727,855 km (0.108 R)
• M9: 4,117,681 km (0.092 R)
• M10: 5,657,193 km (0.11 R)
• M11: 7,920,908 km (0.108 R)
• M12: 8,180,311 km (0.108 R)
• M13: 9,563,044 km (0.093 R)
• M14: 10,775,535 km (0.068 R)
• M15: 13,995,479 km (0.112 R)
• M16: 18,472,195 km (0.092 R)
• M17: 19,704,134 km (0.119 R)
• M18: 19,941,097 km (0.097 R)
• M19: 26,500,515 km (0.115 R)
• M20: 38,757,218 km (0.092 R)
• M21: 40,006,211 km (0.09 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 11,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit