🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.4

Radius: 13.7

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.6 AU - 0.78 AU

Year: 389 Days

Day: 8.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,778,847 km

• M1: 170,392 km (0.043 R)
• M2: 601,832 km (0.113 R)
• M3: 1,269,039 km (0.071 R)
• M4: 1,725,611 km (0.118 R)
• M5: 2,222,276 km (0.105 R)
• M6: 2,677,353 km (0.049 R)
• M7: 3,164,743 km (0.111 R)
• M8: 4,086,415 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.1

Radius: 14.1

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.71 AU - 1.05 AU

Year: 560 Days

Day: 8 Hours

Environment

Temp: -177 °C

Axial Tilt: 133.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,778,847 km

• M1: 189,241 km (0.067 R)
• M2: 695,331 km (0.104 R)
• M3: 1,162,525 km (0.09 R)
• M4: 1,912,310 km (0.094 R)
• M5: 2,930,473 km (0.092 R)
• M6: 4,334,897 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.6

Radius: 13.2

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.22 AU - 2.28 AU

Year: 2289 Days

Day: 11.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,778,847 km

• M1: 165,455 km (0.044 R)
• M2: 609,462 km (0.09 R)
• M3: 1,145,620 km (0.096 R)
• M4: 1,624,782 km (0.114 R)
• M5: 2,212,553 km (0.053 R)
• M6: 3,308,207 km (0.037 R)
• M7: 3,745,631 km (0.073 R)
• M8: 4,583,230 km (0.032 R)
• M9: 5,296,662 km (0.108 R)
• M10: 7,483,334 km (0.086 R)
• M11: 10,330,780 km (0.066 R)
• M12: 11,559,128 km (0.089 R)
• M13: 12,971,183 km (0.073 R)
• M14: 14,639,648 km (0.112 R)
• M15: 15,375,669 km (0.068 R)
• M16: 16,921,464 km (0.085 R)
• M17: 17,513,423 km (0.031 R)
• M18: 19,314,581 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.8

Radius: 7.9

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 7.04 AU - 10.32 AU

Year: 17345 Days

Day: 18.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,778,847 km

• M1: 105,466 km (0.045 R)
• M2: 837,299 km (0.062 R)
• M3: 1,419,534 km (0.11 R)
• M4: 2,115,164 km (0.117 R)
• M5: 4,341,181 km (0.118 R)
• M6: 4,878,985 km (0.05 R)
• M7: 5,567,434 km (0.119 R)
• M8: 5,860,347 km (0.115 R)
• M9: 6,397,852 km (0.11 R)
• M10: 10,012,436 km (0.032 R)
• M11: 12,934,830 km (0.112 R)
• M12: 18,719,182 km (0.074 R)
• M13: 20,917,672 km (0.098 R)
• M14: 27,260,622 km (0.08 R)
• M15: 33,920,719 km (0.06 R)
• M16: 42,993,979 km (0.053 R)
• M17: 45,897,973 km (0.105 R)
• M18: 50,022,087 km (0.086 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: 256 - 12,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit