🌌 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: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.48 AU - 0.56 AU

Year: 137 Days

Day: 16 Hours

Environment

Temp: 208 °C

Axial Tilt: 7.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.6 AU - 0.98 AU

Year: 256 Days

Day: 35.5 Hours

Environment

Temp: 103 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.65 AU - 5.47 AU

Year: 3557 Days

Day: 19 Hours

Environment

Temp: -142 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.1

Radius: 14.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.63 AU - 9.25 AU

Year: 7412 Days

Day: 12.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,626,923 km

• M1: 191,036 km (0.115 R)
• M2: 676,930 km (0.11 R)
• M3: 1,545,944 km (0.082 R)
• M4: 2,237,685 km (0.083 R)
• M5: 3,196,757 km (0.071 R)
• M6: 4,013,112 km (0.09 R)
• M7: 7,594,186 km (0.074 R)
• M8: 9,325,183 km (0.118 R)
• M9: 11,626,597 km (0.106 R)
• M10: 13,318,250 km (0.117 R)
• M11: 18,699,883 km (0.089 R)
• M12: 21,663,866 km (0.116 R)
• M13: 22,493,087 km (0.075 R)
• M14: 24,215,258 km (0.048 R)
• M15: 26,209,547 km (0.071 R)
• M16: 26,772,035 km (0.063 R)
• M17: 31,355,265 km (0.055 R)
• M18: 33,501,994 km (0.054 R)
• M19: 35,288,642 km (0.116 R)
• M20: 37,847,962 km (0.119 R)
• M21: 41,788,220 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.1

Radius: 11.5

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.69 AU - 11.21 AU

Year: 12339 Days

Day: 7.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,626,923 km

• M1: 143,016 km (0.11 R)
• M2: 577,298 km (0.032 R)
• M3: 1,040,304 km (0.09 R)
• M4: 1,544,149 km (0.1 R)
• M5: 2,245,165 km (0.119 R)
• M6: 4,133,838 km (0.043 R)
• M7: 6,551,639 km (0.119 R)
• M8: 8,333,050 km (0.101 R)
• M9: 8,896,585 km (0.116 R)
• M10: 9,385,471 km (0.048 R)
• M11: 11,295,836 km (0.073 R)
• M12: 13,516,467 km (0.091 R)
• M13: 14,561,558 km (0.047 R)
• M14: 15,103,850 km (0.1 R)
• M15: 15,730,067 km (0.038 R)
• M16: 18,331,274 km (0.104 R)
• M17: 20,105,804 km (0.097 R)
• M18: 22,436,838 km (0.101 R)
• M19: 23,528,604 km (0.085 R)
• M20: 31,617,211 km (0.063 R)
• M21: 34,280,651 km (0.074 R)
• M22: 36,219,290 km (0.116 R)
• M23: 37,090,099 km (0.036 R)
• M24: 39,262,859 km (0.074 R)
• M25: 41,249,369 km (0.092 R)
• M26: 43,441,277 km (0.111 R)
• M27: 45,421,953 km (0.046 R)
• M28: 47,167,012 km (0.085 R)
• M29: 48,056,072 km (0.036 R)
• M30: 50,174,079 km (0.115 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: 482 - 14,266 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit