🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.5

Radius: 10.7

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.79 AU - 1.19 AU

Year: 646 Days

Day: 10.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,962,244 km

• M1: 135,386 km (0.073 R)
• M2: 502,200 km (0.103 R)
• M3: 859,739 km (0.039 R)
• M4: 1,592,769 km (0.075 R)
• M5: 2,455,350 km (0.118 R)
• M6: 3,146,043 km (0.045 R)
• M7: 3,559,831 km (0.065 R)
• M8: 4,021,789 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.7

Radius: 10.8

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.03 AU - 1.59 AU

Year: 984 Days

Day: 7.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,962,244 km

• M1: 145,559 km (0.103 R)
• M2: 482,603 km (0.113 R)
• M3: 950,545 km (0.106 R)
• M4: 1,447,060 km (0.097 R)
• M5: 1,861,147 km (0.12 R)
• M6: 2,431,713 km (0.047 R)
• M7: 3,089,196 km (0.1 R)
• M8: 3,739,498 km (0.074 R)
• M9: 4,975,027 km (0.11 R)
• M10: 5,828,632 km (0.054 R)
• M11: 6,709,165 km (0.116 R)
• M12: 7,146,440 km (0.117 R)
• M13: 7,627,098 km (0.091 R)
• M14: 8,026,973 km (0.101 R)
• M15: 9,653,401 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327

Radius: 14

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.95 AU - 2.39 AU

Year: 2097 Days

Day: 14.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,962,244 km

• M1: 174,132 km (0.09 R)
• M2: 686,953 km (0.095 R)
• M3: 1,347,428 km (0.045 R)
• M4: 1,785,750 km (0.068 R)
• M5: 2,527,606 km (0.075 R)
• M6: 3,578,680 km (0.025 R)
• M7: 4,423,459 km (0.117 R)
• M8: 5,701,025 km (0.113 R)
• M9: 6,201,131 km (0.058 R)
• M10: 6,955,703 km (0.049 R)
• M11: 7,421,401 km (0.11 R)
• M12: 8,736,964 km (0.108 R)
• M13: 9,623,182 km (0.104 R)
• M14: 10,467,961 km (0.11 R)
• M15: 10,942,935 km (0.11 R)
• M16: 11,936,414 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.8

Radius: 13

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.21 AU - 6.57 AU

Year: 8209 Days

Day: 12.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,962,244 km

• M1: 161,715 km (0.116 R)
• M2: 570,566 km (0.11 R)
• M3: 1,216,231 km (0.112 R)
• M4: 2,049,790 km (0.087 R)
• M5: 2,849,989 km (0.117 R)
• M6: 3,720,798 km (0.062 R)
• M7: 6,257,081 km (0.075 R)
• M8: 7,080,018 km (0.077 R)
• M9: 7,552,449 km (0.038 R)
• M10: 8,190,633 km (0.064 R)
• M11: 9,374,102 km (0.104 R)
• M12: 11,749,866 km (0.074 R)
• M13: 12,317,290 km (0.113 R)
• M14: 14,130,416 km (0.1 R)
• M15: 15,602,460 km (0.096 R)
• M16: 16,115,131 km (0.042 R)
• M17: 17,054,606 km (0.094 R)
• M18: 17,782,848 km (0.077 R)
• M19: 21,598,492 km (0.087 R)
• M20: 22,379,243 km (0.1 R)
• M21: 24,223,785 km (0.091 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 10,989 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit