🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.9

Radius: 10.6

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.56 AU - 0.6 AU

Year: 295 Days

Day: 6.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 7,139,073 km

• M1: 132,245 km (0.106 R)
• M2: 538,852 km (0.074 R)
• M3: 1,143,227 km (0.04 R)
• M4: 1,478,027 km (0.033 R)
• M5: 2,252,944 km (0.118 R)
• M6: 2,629,482 km (0.114 R)
• M7: 3,141,406 km (0.08 R)
• M8: 3,742,490 km (0.103 R)
• M9: 4,445,151 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.6

Radius: 9.7

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.51 AU - 0.77 AU

Year: 341 Days

Day: 10.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 7,139,073 km

• M1: 120,576 km (0.057 R)
• M2: 455,077 km (0.03 R)
• M3: 760,107 km (0.045 R)
• M4: 1,154,297 km (0.034 R)
• M5: 1,465,461 km (0.108 R)
• M6: 1,969,306 km (0.115 R)
• M7: 2,353,175 km (0.065 R)
• M8: 3,159,208 km (0.08 R)
• M9: 3,722,893 km (0.086 R)
• M10: 4,188,591 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.6

Radius: 13

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.66 AU - 0.84 AU

Year: 433 Days

Day: 12.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 7,139,073 km

• M1: 169,195 km (0.119 R)
• M2: 667,207 km (0.11 R)
• M3: 1,812,677 km (0.07 R)
• M4: 2,218,387 km (0.11 R)
• M5: 2,777,284 km (0.078 R)
• M6: 3,280,681 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994

Radius: 8.2

Gravity: 14.78 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.63 AU - 0.97 AU

Year: 477 Days

Day: 5.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 7,139,073 km

• M1: 102,026 km (0.112 R)
• M2: 388,506 km (0.034 R)
• M3: 904,768 km (0.081 R)
• M4: 1,247,347 km (0.109 R)
• M5: 1,779,167 km (0.09 R)
• M6: 2,115,912 km (0.092 R)
• M7: 2,443,980 km (0.051 R)
• M8: 3,106,549 km (0.088 R)
• M9: 3,624,457 km (0.07 R)
• M10: 4,184,103 km (0.106 R)
• M11: 4,500,353 km (0.109 R)
• M12: 4,913,991 km (0.091 R)
• M13: 5,318,055 km (0.037 R)
• M14: 6,173,605 km (0.084 R)
• M15: 6,445,424 km (0.094 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 11,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit