🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.61 AU - 0.69 AU

Year: 344 Days

Day: 42.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.9

Radius: 8.5

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.7 AU - 0.92 AU

Year: 478 Days

Day: 9.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 8,327,481 km

• M1: 105,766 km (0.057 R)
• M2: 397,482 km (0.059 R)
• M3: 706,551 km (0.066 R)
• M4: 1,214,735 km (0.099 R)
• M5: 1,548,039 km (0.111 R)
• M6: 2,392,818 km (0.117 R)
• M7: 2,837,872 km (0.117 R)
• M8: 3,232,960 km (0.092 R)
• M9: 3,602,018 km (0.07 R)
• M10: 4,133,539 km (0.074 R)
• M11: 4,482,551 km (0.093 R)
• M12: 4,790,872 km (0.085 R)
• M13: 5,303,993 km (0.119 R)
• M14: 5,649,414 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.7

Radius: 8.8

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.93 AU - 1.17 AU

Year: 706 Days

Day: 8.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 8,327,481 km

• M1: 109,506 km (0.074 R)
• M2: 383,270 km (0.099 R)
• M3: 736,620 km (0.083 R)
• M4: 1,378,993 km (0.075 R)
• M5: 1,797,718 km (0.09 R)
• M6: 2,137,155 km (0.083 R)
• M7: 2,660,149 km (0.047 R)
• M8: 2,957,849 km (0.074 R)
• M9: 3,520,487 km (0.101 R)
• M10: 4,028,820 km (0.072 R)
• M11: 5,208,100 km (0.093 R)
• M12: 6,210,256 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.3

Radius: 8.2

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.01 AU - 1.21 AU

Year: 767 Days

Day: 12.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 86.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 8,327,481 km

• M1: 102,026 km (0.087 R)
• M2: 454,628 km (0.083 R)
• M3: 892,202 km (0.028 R)
• M4: 1,161,328 km (0.104 R)
• M5: 1,546,543 km (0.096 R)
• M6: 2,268,353 km (0.079 R)
• M7: 2,996,445 km (0.102 R)
• M8: 3,301,775 km (0.118 R)
• M9: 3,558,185 km (0.117 R)
• M10: 3,975,414 km (0.12 R)
• M11: 4,720,710 km (0.075 R)
• M12: 5,207,203 km (0.11 R)
• M13: 6,178,691 km (0.097 R)
• M14: 7,891,288 km (0.12 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 15,154 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit