🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.47 AU - 0.67 AU

Year: 164 Days

Day: 25.8 Hours

Environment

Temp: 192 °C

Axial Tilt: 17.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.31 AU - 1.47 AU

Year: 624 Days

Day: 15.4 Hours

Environment

Temp: -35 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,072,466 km

• M1: 841,787 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.38 AU - 4.36 AU

Year: 2899 Days

Day: 19.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.3

Radius: 12.1

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.33 AU - 5.39 AU

Year: 4725 Days

Day: 9.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,072,466 km

• M1: 150,645 km (0.086 R)
• M2: 790,176 km (0.068 R)
• M3: 1,304,942 km (0.076 R)
• M4: 2,002,667 km (0.094 R)
• M5: 2,408,825 km (0.079 R)
• M6: 3,020,381 km (0.077 R)
• M7: 3,913,181 km (0.11 R)
• M8: 5,469,448 km (0.107 R)
• M9: 6,705,126 km (0.086 R)
• M10: 8,085,466 km (0.119 R)
• M11: 8,596,791 km (0.108 R)
• M12: 10,659,447 km (0.049 R)
• M13: 13,881,336 km (0.114 R)
• M14: 17,030,820 km (0.102 R)
• M15: 17,532,870 km (0.097 R)
• M16: 18,566,293 km (0.106 R)
• M17: 21,845,478 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.9

Radius: 14.9

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.73 AU - 7.79 AU

Year: 5964 Days

Day: 6.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,072,466 km

• M1: 219,011 km (0.052 R)
• M2: 1,122,732 km (0.105 R)
• M3: 1,686,866 km (0.077 R)
• M4: 2,193,404 km (0.087 R)
• M5: 3,097,723 km (0.095 R)
• M6: 3,591,695 km (0.114 R)
• M7: 4,578,443 km (0.106 R)
• M8: 5,897,447 km (0.112 R)
• M9: 7,308,305 km (0.1 R)
• M10: 7,838,480 km (0.065 R)
• M11: 10,083,495 km (0.104 R)
• M12: 12,145,702 km (0.091 R)
• M13: 12,783,437 km (0.11 R)
• M14: 15,437,902 km (0.115 R)
• M15: 16,186,938 km (0.086 R)
• M16: 17,757,566 km (0.074 R)
• M17: 19,571,590 km (0.041 R)
• M18: 20,153,975 km (0.058 R)
• M19: 22,126,572 km (0.053 R)
• M20: 23,811,643 km (0.09 R)
• M21: 24,727,780 km (0.089 R)
• M22: 26,277,315 km (0.117 R)
• M23: 31,811,389 km (0.107 R)
• M24: 35,009,642 km (0.103 R)
• M25: 36,194,307 km (0.097 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 10,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit