🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.71 AU - 0.89 AU

Year: 327 Days

Day: 36.2 Hours

Environment

Temp: -49 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,741,198 km

• M1: 24,235 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.92 AU - 1.1 AU

Year: 463 Days

Day: 42.3 Hours

Environment

Temp: -75 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.89 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.3

Radius: 11.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.65 AU - 2.87 AU

Year: 2093 Days

Day: 6.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,741,198 km

• M1: 141,819 km (0.102 R)
• M2: 1,633,609 km (0.038 R)
• M3: 2,173,208 km (0.113 R)
• M4: 2,661,645 km (0.077 R)
• M5: 3,072,441 km (0.051 R)
• M6: 4,478,362 km (0.079 R)
• M7: 6,108,679 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.5

Radius: 4.6

Gravity: 18.17 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 8.29 AU - 11.01 AU

Year: 13686 Days

Day: 24.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 48,741,198 km

• M1: 97,687 km (0.032 R)
• M2: 287,976 km (0.12 R)
• M3: 440,865 km (0.101 R)
• M4: 836,252 km (0.044 R)
• M5: 1,172,399 km (0.071 R)
• M6: 1,358,648 km (0.06 R)
• M7: 1,521,560 km (0.107 R)
• M8: 1,953,898 km (0.067 R)
• M9: 6,289,992 km (0.061 R)
• M10: 6,706,921 km (0.119 R)
• M11: 7,021,675 km (0.089 R)
• M12: 7,638,318 km (0.118 R)
• M13: 8,201,254 km (0.096 R)
• M14: 8,791,418 km (0.116 R)
• M15: 10,157,845 km (0.098 R)
• M16: 15,773,749 km (0.078 R)
• M17: 16,542,084 km (0.05 R)
• M18: 19,074,028 km (0.1 R)
• M19: 19,230,507 km (0.037 R)
• M20: 21,682,416 km (0.114 R)
• M21: 22,369,818 km (0.056 R)
• M22: 26,218,373 km (0.096 R)
• M23: 26,509,042 km (0.073 R)
• M24: 27,394,063 km (0.06 R)
• M25: 28,502,134 km (0.082 R)
• M26: 34,032,020 km (0.111 R)
• M27: 34,493,679 km (0.091 R)
• M28: 35,429,713 km (0.067 R)
• M29: 36,865,104 km (0.117 R)
• M30: 42,194,379 km (0.06 R)
• M31: 43,129,665 km (0.094 R)
• M32: 46,441,612 km (0.114 R)
• M33: 48,159,295 km (0.067 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 10,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit