🌌 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: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.45 AU - 0.57 AU

Year: 128 Days

Day: 20.9 Hours

Environment

Temp: 266 °C

Axial Tilt: 35.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.55 AU - 0.57 AU

Year: 147 Days

Day: 29.5 Hours

Environment

Temp: 216 °C

Axial Tilt: 39.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 56,879,498 km

• M1: 20,944 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.12 AU - 1.56 AU

Year: 545 Days

Day: 44.6 Hours

Environment

Temp: 12 °C

Axial Tilt: 19 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 56,879,498 km

• M1: 53,556 km (0.067 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.4 AU - 3.98 AU

Year: 2002 Days

Day: 22.1 Hours

Environment

Temp: -103 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.15 AU - 6.47 AU

Year: 4301 Days

Day: 45.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,879,498 km

• M1: 1,850,226 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.8

Radius: 12.9

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.58 AU - 6.86 AU

Year: 5452 Days

Day: 5.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,879,498 km

• M1: 160,519 km (0.118 R)
• M2: 730,187 km (0.115 R)
• M3: 1,371,513 km (0.104 R)
• M4: 1,846,786 km (0.094 R)
• M5: 2,478,837 km (0.096 R)
• M6: 3,103,408 km (0.055 R)
• M7: 4,225,093 km (0.1 R)
• M8: 4,917,132 km (0.106 R)
• M9: 8,467,090 km (0.088 R)
• M10: 14,264,157 km (0.058 R)
• M11: 14,788,946 km (0.09 R)
• M12: 15,272,447 km (0.109 R)
• M13: 17,018,852 km (0.064 R)
• M14: 24,293,497 km (0.111 R)
• M15: 25,118,679 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.2

Radius: 13.4

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.29 AU - 11.67 AU

Year: 11081 Days

Day: 9.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,879,498 km

• M1: 166,951 km (0.119 R)
• M2: 669,600 km (0.066 R)
• M3: 1,398,291 km (0.088 R)
• M4: 3,039,380 km (0.045 R)
• M5: 3,479,347 km (0.079 R)
• M6: 5,759,219 km (0.065 R)
• M7: 6,596,817 km (0.055 R)
• M8: 7,128,937 km (0.086 R)
• M9: 7,689,630 km (0.083 R)
• M10: 10,287,247 km (0.114 R)
• M11: 10,724,821 km (0.048 R)
• M12: 12,416,623 km (0.086 R)
• M13: 12,976,119 km (0.118 R)
• M14: 14,687,818 km (0.095 R)
• M15: 16,694,674 km (0.061 R)
• M16: 17,376,989 km (0.073 R)
• M17: 18,635,856 km (0.119 R)
• M18: 23,522,769 km (0.11 R)
• M19: 33,065,468 km (0.061 R)
• M20: 34,262,999 km (0.117 R)
• M21: 35,988,161 km (0.091 R)
• M22: 36,999,443 km (0.105 R)
• M23: 44,040,865 km (0.069 R)
• M24: 45,637,074 km (0.056 R)
• M25: 51,766,997 km (0.031 R)
• M26: 52,731,454 km (0.095 R)
• M27: 53,381,158 km (0.101 R)
• M28: 54,365,512 km (0.035 R)

Kuiper Belt

Range: 31.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 11,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit