🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.51 AU - 0.83 AU

Year: 203 Days

Day: 16.3 Hours

Environment

Temp: 196 °C

Axial Tilt: 17.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.26 AU - 2.86 AU

Year: 1519 Days

Day: 20 Hours

Environment

Temp: -100 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.45 AU - 2.97 AU

Year: 1654 Days

Day: 29.6 Hours

Environment

Temp: -107 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,924,067 km

• M1: 283,189 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.3

Radius: 14.1

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.85 AU - 6.05 AU

Year: 4718 Days

Day: 14.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,924,067 km

• M1: 178,021 km (0.092 R)
• M2: 636,539 km (0.098 R)
• M3: 1,440,927 km (0.056 R)
• M4: 2,078,962 km (0.114 R)
• M5: 2,532,243 km (0.089 R)
• M6: 3,168,632 km (0.112 R)
• M7: 3,753,261 km (0.074 R)
• M8: 5,058,951 km (0.081 R)
• M9: 6,421,788 km (0.098 R)
• M10: 7,017,487 km (0.108 R)
• M11: 8,054,649 km (0.05 R)
• M12: 10,658,100 km (0.109 R)
• M13: 13,143,220 km (0.11 R)
• M14: 15,346,198 km (0.094 R)
• M15: 15,992,910 km (0.101 R)
• M16: 16,657,723 km (0.113 R)
• M17: 17,278,105 km (0.091 R)
• M18: 17,721,513 km (0.106 R)
• M19: 19,503,374 km (0.082 R)
• M20: 22,358,898 km (0.095 R)
• M21: 27,749,059 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.9

Radius: 10.8

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.6 AU - 9.82 AU

Year: 9533 Days

Day: 12 Hours

Environment

Temp: -167 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,924,067 km

• M1: 134,638 km (0.096 R)
• M2: 628,610 km (0.075 R)
• M3: 1,097,001 km (0.105 R)
• M4: 1,565,542 km (0.073 R)
• M5: 2,666,732 km (0.053 R)
• M6: 3,109,093 km (0.1 R)
• M7: 3,877,427 km (0.105 R)
• M8: 4,251,571 km (0.119 R)
• M9: 5,103,980 km (0.104 R)
• M10: 5,996,481 km (0.092 R)
• M11: 7,920,010 km (0.108 R)
• M12: 8,437,021 km (0.11 R)
• M13: 8,839,439 km (0.115 R)
• M14: 9,779,662 km (0.115 R)
• M15: 10,324,647 km (0.097 R)
• M16: 13,722,014 km (0.03 R)
• M17: 14,659,544 km (0.105 R)
• M18: 15,572,540 km (0.115 R)
• M19: 16,453,821 km (0.103 R)
• M20: 16,941,959 km (0.114 R)
• M21: 17,947,257 km (0.084 R)
• M22: 19,451,912 km (0.096 R)
• M23: 24,468,826 km (0.094 R)
• M24: 25,013,662 km (0.115 R)
• M25: 26,984,314 km (0.068 R)
• M26: 29,259,100 km (0.109 R)
• M27: 30,286,987 km (0.111 R)
• M28: 43,628,274 km (0.103 R)
• M29: 44,295,331 km (0.103 R)
• M30: 44,698,797 km (0.036 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 17,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit