🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.48 AU - 0.72 AU

Year: 305 Days

Day: 16.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 10,259,591 km

• M1: 632,201 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.54 AU - 0.74 AU

Year: 336 Days

Day: 33 Hours

Environment

Temp: -138 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.5

Radius: 13.7

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.86 AU - 0.96 AU

Year: 569 Days

Day: 13 Hours

Environment

Temp: -144 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 10,259,591 km

• M1: 170,392 km (0.039 R)
• M2: 837,000 km (0.104 R)
• M3: 1,278,463 km (0.1 R)
• M4: 1,806,394 km (0.112 R)
• M5: 2,272,840 km (0.106 R)
• M6: 3,170,876 km (0.08 R)
• M7: 3,884,458 km (0.113 R)
• M8: 4,502,298 km (0.118 R)
• M9: 5,000,608 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.8

Radius: 9.6

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.42 AU - 1.64 AU

Year: 1241 Days

Day: 14 Hours

Environment

Temp: -178 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 10,259,591 km

• M1: 119,379 km (0.063 R)
• M2: 524,939 km (0.1 R)
• M3: 1,000,959 km (0.09 R)
• M4: 1,536,969 km (0.056 R)
• M5: 2,057,270 km (0.066 R)
• M6: 2,478,089 km (0.09 R)
• M7: 3,238,046 km (0.102 R)
• M8: 3,779,441 km (0.083 R)
• M9: 4,195,173 km (0.12 R)
• M10: 5,099,941 km (0.116 R)
• M11: 5,528,240 km (0.105 R)
• M12: 5,834,018 km (0.114 R)
• M13: 6,435,102 km (0.111 R)
• M14: 6,912,469 km (0.043 R)
• M15: 7,291,999 km (0.074 R)
• M16: 7,735,556 km (0.119 R)
• M17: 9,118,888 km (0.08 R)
• M18: 9,604,931 km (0.116 R)
• M19: 9,958,431 km (0.081 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 11,741 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit