🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.77 AU - 1.23 AU

Year: 371 Days

Day: 15.3 Hours

Environment

Temp: 37 °C

Axial Tilt: 5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.66 AU - 2.12 AU

Year: 964 Days

Day: 34.3 Hours

Environment

Temp: -64 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,770,762 km

• M1: 107,112 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.89 AU - 2.73 AU

Year: 1302 Days

Day: 44.8 Hours

Environment

Temp: -92 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.5

Radius: 12.6

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.51 AU - 7.57 AU

Year: 6203 Days

Day: 9.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,770,762 km

• M1: 156,779 km (0.065 R)
• M2: 1,025,344 km (0.091 R)
• M3: 1,691,952 km (0.105 R)
• M4: 2,188,916 km (0.086 R)
• M5: 3,899,119 km (0.092 R)
• M6: 4,374,840 km (0.068 R)
• M7: 5,175,937 km (0.077 R)
• M8: 7,703,542 km (0.095 R)
• M9: 8,914,238 km (0.05 R)
• M10: 11,558,530 km (0.116 R)
• M11: 13,142,472 km (0.081 R)
• M12: 16,479,103 km (0.109 R)
• M13: 18,273,978 km (0.113 R)
• M14: 20,565,818 km (0.054 R)
• M15: 21,549,573 km (0.05 R)
• M16: 25,800,397 km (0.103 R)
• M17: 26,236,475 km (0.085 R)
• M18: 28,214,158 km (0.073 R)
• M19: 30,970,499 km (0.086 R)
• M20: 35,919,496 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.9

Radius: 14.4

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 9.22 AU - 9.48 AU

Year: 10603 Days

Day: 11.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,770,762 km

• M1: 180,864 km (0.101 R)
• M2: 717,771 km (0.104 R)
• M3: 1,317,658 km (0.104 R)
• M4: 2,166,177 km (0.074 R)
• M5: 2,647,733 km (0.102 R)
• M6: 3,267,517 km (0.075 R)
• M7: 4,034,505 km (0.057 R)
• M8: 5,599,448 km (0.105 R)
• M9: 6,237,184 km (0.075 R)
• M10: 6,774,540 km (0.077 R)
• M11: 8,446,296 km (0.094 R)
• M12: 9,241,558 km (0.094 R)
• M13: 10,329,883 km (0.115 R)
• M14: 11,239,886 km (0.114 R)
• M15: 12,874,692 km (0.069 R)
• M16: 15,103,251 km (0.119 R)
• M17: 16,010,263 km (0.058 R)
• M18: 16,612,096 km (0.088 R)
• M19: 17,861,537 km (0.074 R)
• M20: 19,247,262 km (0.098 R)
• M21: 21,418,526 km (0.12 R)
• M22: 22,730,349 km (0.032 R)
• M23: 24,182,047 km (0.114 R)
• M24: 26,706,661 km (0.097 R)
• M25: 28,614,482 km (0.111 R)
• M26: 29,402,414 km (0.109 R)
• M27: 30,407,712 km (0.072 R)
• M28: 32,593,486 km (0.069 R)
• M29: 35,329,781 km (0.085 R)
• M30: 36,008,656 km (0.065 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 14,813 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit