🌌 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 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.57 AU - 0.59 AU

Year: 285 Days

Day: 37.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.1

Radius: 14

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.78 AU - 0.9 AU

Year: 497 Days

Day: 13 Hours

Environment

Temp: -142 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 15,652,740 km

• M1: 174,132 km (0.105 R)
• M2: 612,454 km (0.099 R)
• M3: 2,031,689 km (0.12 R)
• M4: 2,496,190 km (0.035 R)
• M5: 3,213,512 km (0.084 R)
• M6: 3,826,564 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.1

Radius: 12.5

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.52 AU - 2 AU

Year: 1508 Days

Day: 8.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 15,652,740 km

• M1: 155,731 km (0.036 R)
• M2: 718,070 km (0.075 R)
• M3: 1,393,803 km (0.035 R)
• M4: 1,925,025 km (0.084 R)
• M5: 3,224,881 km (0.075 R)
• M6: 3,683,100 km (0.114 R)
• M7: 4,808,375 km (0.072 R)
• M8: 5,388,515 km (0.08 R)
• M9: 5,815,468 km (0.073 R)
• M10: 6,241,971 km (0.093 R)
• M11: 7,465,831 km (0.083 R)
• M12: 7,970,724 km (0.072 R)
• M13: 8,583,776 km (0.092 R)
• M14: 9,747,797 km (0.098 R)
• M15: 11,564,813 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.1

Radius: 13.3

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.44 AU - 2.16 AU

Year: 1559 Days

Day: 14.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 15,652,740 km

• M1: 165,455 km (0.11 R)
• M2: 658,679 km (0.107 R)
• M3: 1,156,541 km (0.1 R)
• M4: 1,763,161 km (0.065 R)
• M5: 2,393,716 km (0.11 R)
• M6: 3,820,879 km (0.037 R)
• M7: 4,517,556 km (0.07 R)
• M8: 5,143,324 km (0.074 R)
• M9: 5,708,505 km (0.082 R)
• M10: 6,215,044 km (0.118 R)
• M11: 6,646,933 km (0.079 R)
• M12: 7,685,890 km (0.119 R)
• M13: 8,335,145 km (0.085 R)
• M14: 8,957,023 km (0.113 R)
• M15: 10,434,302 km (0.116 R)
• M16: 11,343,109 km (0.078 R)
• M17: 12,225,138 km (0.075 R)
• M18: 13,111,206 km (0.084 R)
• M19: 14,564,250 km (0.071 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: 322 - 12,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit