🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.72 AU - 1.02 AU

Year: 303 Days

Day: 13.8 Hours

Environment

Temp: 83 °C

Axial Tilt: 16.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 34,044,207 km

• M1: 302,337 km (0.085 R)
• M2: 625,170 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.66 AU - 1.08 AU

Year: 303 Days

Day: 29.8 Hours

Environment

Temp: 113 °C

Axial Tilt: 50 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.21 AU - 1.23 AU

Year: 502 Days

Day: 42.8 Hours

Environment

Temp: -1 °C

Axial Tilt: 9.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Gas Giant

Semi-Major Axis: 10.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.9

Radius: 10.9

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 10.05 AU - 11.91 AU

Year: 13563 Days

Day: 5.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,044,207 km

• M1: 140,323 km (0.038 R)
• M2: 528,080 km (0.072 R)
• M3: 1,645,128 km (0.064 R)
• M4: 1,993,541 km (0.096 R)
• M5: 2,912,371 km (0.068 R)
• M6: 5,863,788 km (0.029 R)
• M7: 6,856,220 km (0.076 R)
• M8: 7,727,927 km (0.073 R)
• M9: 8,869,807 km (0.115 R)
• M10: 11,845,459 km (0.089 R)
• M11: 15,575,233 km (0.035 R)
• M12: 20,283,078 km (0.09 R)
• M13: 28,180,499 km (0.082 R)
• M14: 43,741,669 km (0.078 R)
• M15: 52,902,893 km (0.032 R)
• M16: 53,400,157 km (0.089 R)
• M17: 56,277,223 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.7

Radius: 4.6

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 13.42 AU - 16.14 AU

Year: 21182 Days

Day: 17.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 149.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,044,207 km

• M1: 64,477 km (0.119 R)
• M2: 309,219 km (0.068 R)
• M3: 2,416,754 km (0.075 R)
• M4: 2,575,178 km (0.106 R)
• M5: 3,052,245 km (0.114 R)
• M6: 3,387,045 km (0.073 R)
• M7: 3,540,982 km (0.109 R)
• M8: 4,031,363 km (0.053 R)
• M9: 4,179,465 km (0.055 R)
• M10: 8,040,287 km (0.082 R)
• M11: 10,838,366 km (0.106 R)
• M12: 11,966,334 km (0.044 R)
• M13: 12,584,921 km (0.096 R)
• M14: 13,829,575 km (0.112 R)
• M15: 26,956,340 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 19,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit