🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.42 AU - 0.6 AU

Year: 139 Days

Day: 24.2 Hours

Environment

Temp: 142 °C

Axial Tilt: 39.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.27 AU - 1.29 AU

Year: 554 Days

Day: 35.1 Hours

Environment

Temp: -41 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 47,186,508 km

• M1: 20,794 km (0.045 R)
• M2: 224,098 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.72 AU - 2.64 AU

Year: 1232 Days

Day: 36 Hours

Environment

Temp: -85 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,186,508 km

• M1: 47,423 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.13 AU - 2.51 AU

Year: 1353 Days

Day: 16.4 Hours

Environment

Temp: -86 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.4

Radius: 13.6

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.31 AU - 8.57 AU

Year: 8566 Days

Day: 7.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,186,508 km

• M1: 169,195 km (0.032 R)
• M2: 789,578 km (0.098 R)
• M3: 2,315,177 km (0.114 R)
• M4: 3,807,715 km (0.101 R)
• M5: 5,318,354 km (0.074 R)
• M6: 6,456,495 km (0.077 R)
• M7: 7,630,239 km (0.1 R)
• M8: 8,897,034 km (0.096 R)
• M9: 9,816,762 km (0.105 R)
• M10: 17,759,960 km (0.114 R)
• M11: 18,551,782 km (0.111 R)
• M12: 29,676,029 km (0.1 R)
• M13: 30,484,306 km (0.071 R)
• M14: 36,906,393 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.7

Radius: 10.4

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.93 AU - 10.15 AU

Year: 9556 Days

Day: 11.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,186,508 km

• M1: 131,347 km (0.086 R)
• M2: 522,994 km (0.115 R)
• M3: 1,129,464 km (0.117 R)
• M4: 1,851,423 km (0.093 R)
• M5: 2,199,238 km (0.108 R)
• M6: 3,007,516 km (0.104 R)
• M7: 4,220,455 km (0.089 R)
• M8: 4,591,308 km (0.072 R)
• M9: 4,922,069 km (0.076 R)
• M10: 8,261,243 km (0.054 R)
• M11: 9,075,355 km (0.082 R)
• M12: 9,991,791 km (0.071 R)
• M13: 12,178,164 km (0.079 R)
• M14: 12,992,874 km (0.1 R)
• M15: 16,063,371 km (0.08 R)
• M16: 17,185,953 km (0.043 R)
• M17: 17,693,389 km (0.064 R)
• M18: 18,061,849 km (0.096 R)
• M19: 23,418,499 km (0.085 R)
• M20: 25,603,376 km (0.096 R)
• M21: 27,920,797 km (0.117 R)
• M22: 28,622,261 km (0.1 R)
• M23: 29,028,270 km (0.11 R)
• M24: 30,903,479 km (0.046 R)
• M25: 36,414,964 km (0.084 R)
• M26: 37,131,837 km (0.119 R)
• M27: 44,419,198 km (0.062 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 14,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit