🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.4

Radius: 9.6

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.53 AU - 0.57 AU

Year: 272 Days

Day: 14.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,645,579 km

• M1: 119,379 km (0.093 R)
• M2: 436,078 km (0.085 R)
• M3: 899,233 km (0.049 R)
• M4: 1,524,851 km (0.086 R)
• M5: 1,846,337 km (0.116 R)
• M6: 2,159,146 km (0.037 R)

Asteroid Belt

Center: 0.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.1

Radius: 14.1

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.99 AU - 1.13 AU

Year: 728 Days

Day: 13.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,645,579 km

• M1: 175,777 km (0.08 R)
• M2: 636,240 km (0.062 R)
• M3: 1,150,856 km (0.115 R)
• M4: 1,611,019 km (0.073 R)
• M5: 2,352,277 km (0.115 R)
• M6: 3,077,677 km (0.062 R)
• M7: 3,695,815 km (0.099 R)
• M8: 4,198,015 km (0.111 R)
• M9: 5,288,434 km (0.074 R)
• M10: 6,258,726 km (0.096 R)
• M11: 6,703,630 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.5

Radius: 10.1

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.22 AU - 5.82 AU

Year: 8648 Days

Day: 7.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,645,579 km

• M1: 194,028 km (0.081 R)
• M2: 865,274 km (0.08 R)
• M3: 1,438,234 km (0.108 R)
• M4: 2,007,603 km (0.078 R)
• M5: 3,579,279 km (0.12 R)
• M6: 8,270,817 km (0.1 R)
• M7: 11,034,189 km (0.078 R)
• M8: 11,490,164 km (0.061 R)
• M9: 12,077,934 km (0.105 R)
• M10: 12,603,321 km (0.113 R)
• M11: 14,631,270 km (0.072 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.2

Radius: 4.2

Gravity: 19.91 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 9.86 AU - 10 AU

Year: 20867 Days

Day: 20.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,645,579 km

• M1: 94,845 km (0.089 R)
• M2: 299,046 km (0.111 R)
• M3: 1,284,298 km (0.054 R)
• M4: 1,610,571 km (0.101 R)
• M5: 2,065,049 km (0.11 R)
• M6: 2,261,022 km (0.118 R)
• M7: 2,900,254 km (0.092 R)
• M8: 8,404,259 km (0.096 R)
• M9: 10,353,070 km (0.118 R)
• M10: 19,474,202 km (0.114 R)
• M11: 22,455,089 km (0.063 R)
• M12: 24,302,174 km (0.106 R)
• M13: 25,726,346 km (0.1 R)
• M14: 30,796,218 km (0.099 R)
• M15: 33,687,945 km (0.073 R)
• M16: 39,449,856 km (0.09 R)
• M17: 40,283,266 km (0.068 R)
• M18: 43,439,033 km (0.092 R)
• M19: 48,952,014 km (0.115 R)
• M20: 49,431,475 km (0.096 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 12,950 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit