🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.63 AU - 0.65 AU

Year: 336 Days

Day: 28.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.6

Radius: 10

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.88 AU - 1.28 AU

Year: 736 Days

Day: 7.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,743,245 km

• M1: 124,316 km (0.065 R)
• M2: 754,123 km (0.118 R)
• M3: 1,103,284 km (0.116 R)
• M4: 1,476,531 km (0.071 R)
• M5: 1,811,481 km (0.073 R)
• M6: 2,138,053 km (0.099 R)
• M7: 2,513,543 km (0.113 R)
• M8: 2,933,165 km (0.069 R)
• M9: 3,341,119 km (0.088 R)
• M10: 4,070,408 km (0.109 R)
• M11: 4,651,746 km (0.084 R)
• M12: 5,577,308 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.4

Radius: 8.3

Gravity: 13.06 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.19 AU - 1.67 AU

Year: 1122 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 53 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,743,245 km

• M1: 103,223 km (0.072 R)
• M2: 460,313 km (0.119 R)
• M3: 726,447 km (0.101 R)
• M4: 1,273,826 km (0.11 R)
• M5: 1,998,777 km (0.115 R)
• M6: 2,309,791 km (0.08 R)
• M7: 2,589,390 km (0.11 R)
• M8: 3,760,442 km (0.072 R)
• M9: 4,219,857 km (0.1 R)
• M10: 4,565,278 km (0.088 R)
• M11: 5,230,540 km (0.03 R)
• M12: 5,869,921 km (0.042 R)
• M13: 7,075,082 km (0.085 R)
• M14: 7,589,998 km (0.108 R)
• M15: 8,494,018 km (0.093 R)
• M16: 9,934,795 km (0.096 R)
• M17: 10,913,913 km (0.111 R)
• M18: 11,531,602 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.4

Radius: 10.2

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.31 AU - 1.85 AU

Year: 1303 Days

Day: 9.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,743,245 km

• M1: 126,859 km (0.085 R)
• M2: 454,927 km (0.109 R)
• M3: 790,026 km (0.115 R)
• M4: 1,190,799 km (0.065 R)
• M5: 1,545,346 km (0.031 R)
• M6: 2,311,586 km (0.093 R)
• M7: 3,724,987 km (0.054 R)
• M8: 6,047,344 km (0.084 R)
• M9: 6,468,612 km (0.111 R)
• M10: 7,045,461 km (0.041 R)
• M11: 8,024,430 km (0.114 R)
• M12: 8,717,218 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.8

Radius: 12.4

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.59 AU - 2.13 AU

Year: 1664 Days

Day: 7.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 119.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,743,245 km

• M1: 154,235 km (0.04 R)
• M2: 601,533 km (0.083 R)
• M3: 993,330 km (0.112 R)
• M4: 1,519,466 km (0.082 R)
• M5: 2,253,243 km (0.06 R)
• M6: 3,681,903 km (0.026 R)
• M7: 4,087,163 km (0.111 R)
• M8: 4,601,331 km (0.087 R)
• M9: 4,988,640 km (0.025 R)
• M10: 6,066,044 km (0.034 R)
• M11: 7,130,882 km (0.111 R)
• M12: 10,473,796 km (0.034 R)
• M13: 10,967,917 km (0.108 R)
• M14: 11,440,647 km (0.116 R)
• M15: 12,623,068 km (0.094 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: 347 - 15,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit