🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.5 AU - 0.82 AU

Year: 341 Days

Day: 12.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.9

Radius: 12.5

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.67 AU - 0.75 AU

Year: 380 Days

Day: 7.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 15,087,084 km

• M1: 155,432 km (0.079 R)
• M2: 560,244 km (0.083 R)
• M3: 965,205 km (0.057 R)
• M4: 1,421,180 km (0.089 R)
• M5: 1,827,488 km (0.1 R)
• M6: 2,288,099 km (0.117 R)
• M7: 2,714,154 km (0.112 R)
• M8: 3,245,376 km (0.107 R)
• M9: 3,682,950 km (0.11 R)
• M10: 4,375,289 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.6

Radius: 13.2

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.92 AU - 1.06 AU

Year: 626 Days

Day: 11.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 15,087,084 km

• M1: 164,109 km (0.063 R)
• M2: 614,698 km (0.047 R)
• M3: 1,100,442 km (0.092 R)
• M4: 1,841,999 km (0.111 R)
• M5: 2,810,944 km (0.049 R)
• M6: 3,405,446 km (0.11 R)
• M7: 3,923,503 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.1

Radius: 12

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.54 AU - 2.4 AU

Year: 1758 Days

Day: 7.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 15,087,084 km

• M1: 150,795 km (0.092 R)
• M2: 1,048,980 km (0.082 R)
• M3: 2,016,430 km (0.068 R)
• M4: 2,915,662 km (0.038 R)
• M5: 3,506,574 km (0.035 R)
• M6: 4,601,930 km (0.078 R)
• M7: 5,077,801 km (0.116 R)
• M8: 5,865,284 km (0.115 R)
• M9: 6,629,280 km (0.116 R)
• M10: 7,022,124 km (0.079 R)
• M11: 7,711,621 km (0.115 R)
• M12: 8,598,287 km (0.108 R)
• M13: 10,679,942 km (0.104 R)
• M14: 11,933,572 km (0.047 R)
• M15: 13,159,825 km (0.114 R)
• M16: 13,782,601 km (0.103 R)
• M17: 14,424,975 km (0.101 R)
• M18: 14,864,194 km (0.107 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 18,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit