🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.82 AU - 0.92 AU

Year: 298 Days

Day: 32.9 Hours

Environment

Temp: 76 °C

Axial Tilt: 47 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.51 AU - 1.83 AU

Year: 792 Days

Day: 14 Hours

Environment

Temp: -44 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.74 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.9

Radius: 14.1

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.49 AU - 6.13 AU

Year: 5141 Days

Day: 12.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,161,826 km

• M1: 175,329 km (0.089 R)
• M2: 699,968 km (0.079 R)
• M3: 1,241,513 km (0.035 R)
• M4: 1,713,943 km (0.053 R)
• M5: 2,743,924 km (0.029 R)
• M6: 3,235,054 km (0.078 R)
• M7: 3,829,705 km (0.078 R)
• M8: 6,840,063 km (0.107 R)
• M9: 8,547,424 km (0.097 R)
• M10: 9,648,763 km (0.112 R)
• M11: 10,479,181 km (0.09 R)
• M12: 14,732,698 km (0.1 R)
• M13: 16,072,945 km (0.09 R)
• M14: 16,742,096 km (0.052 R)
• M15: 18,595,464 km (0.033 R)
• M16: 24,018,088 km (0.068 R)
• M17: 26,203,862 km (0.066 R)
• M18: 27,732,902 km (0.113 R)
• M19: 28,255,597 km (0.119 R)
• M20: 29,591,207 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.7

Radius: 9.9

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.48 AU - 9.72 AU

Year: 8463 Days

Day: 11.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,161,826 km

• M1: 123,119 km (0.082 R)
• M2: 528,080 km (0.105 R)
• M3: 880,234 km (0.074 R)
• M4: 1,912,609 km (0.094 R)
• M5: 2,344,947 km (0.103 R)
• M6: 3,084,558 km (0.091 R)
• M7: 3,753,710 km (0.109 R)
• M8: 4,409,248 km (0.11 R)
• M9: 6,213,248 km (0.09 R)
• M10: 9,014,468 km (0.066 R)
• M11: 9,544,344 km (0.095 R)
• M12: 11,821,822 km (0.057 R)
• M13: 12,892,793 km (0.081 R)
• M14: 13,910,956 km (0.091 R)
• M15: 14,321,004 km (0.086 R)
• M16: 16,689,737 km (0.09 R)
• M17: 17,286,782 km (0.094 R)
• M18: 19,892,478 km (0.032 R)
• M19: 25,344,871 km (0.05 R)
• M20: 27,120,448 km (0.067 R)
• M21: 30,326,780 km (0.097 R)
• M22: 33,672,237 km (0.092 R)
• M23: 36,254,595 km (0.075 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: 298 - 11,792 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit