🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.45 AU - 0.65 AU

Year: 157 Days

Day: 47.7 Hours

Environment

Temp: 132 °C

Axial Tilt: 45.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 78,924,343 km

• M1: 103,073 km (0.116 R)
• M2: 368,460 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.99 AU - 0.99 AU

Year: 379 Days

Day: 27.5 Hours

Environment

Temp: -6 °C

Axial Tilt: 34.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.99 AU - 1.05 AU

Year: 397 Days

Day: 26.8 Hours

Environment

Temp: 17 °C

Axial Tilt: 27.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 78,924,343 km

• M1: 183,856 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.11 AU - 3.27 AU

Year: 1699 Days

Day: 31.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 14.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.8

Radius: 5.8

Gravity: 22.11 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 13.75 AU - 14.35 AU

Year: 20276 Days

Day: 24.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,924,343 km

• M1: 72,405 km (0.103 R)
• M2: 494,720 km (0.057 R)
• M3: 751,430 km (0.108 R)
• M4: 1,539,512 km (0.078 R)
• M5: 2,201,183 km (0.086 R)
• M6: 2,467,018 km (0.089 R)
• M7: 2,778,930 km (0.091 R)
• M8: 3,117,021 km (0.058 R)
• M9: 4,502,148 km (0.08 R)
• M10: 4,894,992 km (0.102 R)
• M11: 5,156,639 km (0.069 R)
• M12: 6,341,454 km (0.117 R)
• M13: 6,607,588 km (0.073 R)
• M14: 7,114,725 km (0.113 R)
• M15: 7,499,790 km (0.064 R)
• M16: 8,363,718 km (0.109 R)
• M17: 9,235,873 km (0.04 R)
• M18: 11,031,945 km (0.091 R)
• M19: 11,223,431 km (0.086 R)
• M20: 14,218,679 km (0.083 R)
• M21: 14,445,619 km (0.115 R)
• M22: 15,697,155 km (0.034 R)
• M23: 16,934,479 km (0.111 R)
• M24: 18,955,845 km (0.081 R)
• M25: 22,332,120 km (0.106 R)
• M26: 22,536,321 km (0.099 R)
• M27: 25,751,179 km (0.097 R)
• M28: 28,294,193 km (0.094 R)
• M29: 29,749,481 km (0.12 R)
• M30: 33,872,997 km (0.105 R)
• M31: 35,790,991 km (0.067 R)
• M32: 37,780,194 km (0.105 R)
• M33: 38,070,265 km (0.102 R)
• M34: 42,601,285 km (0.097 R)
• M35: 49,529,910 km (0.047 R)
• M36: 52,175,848 km (0.069 R)
• M37: 66,194,515 km (0.059 R)
• M38: 70,272,403 km (0.091 R)
• M39: 70,931,232 km (0.118 R)
• M40: 78,452,115 km (0.119 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 12,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit