🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.78 AU - 0.8 AU

Year: 251 Days

Day: 29 Hours

Environment

Temp: 140 °C

Axial Tilt: 17.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.85 AU - 1.09 AU

Year: 342 Days

Day: 19.8 Hours

Environment

Temp: 74 °C

Axial Tilt: 43.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.39 AU - 1.61 AU

Year: 658 Days

Day: 26 Hours

Environment

Temp: -33 °C

Axial Tilt: 49.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,137,685 km

• M1: 29,920 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.52 AU - 3.7 AU

Year: 1964 Days

Day: 38.1 Hours

Environment

Temp: -94 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.54 AU - 3.78 AU

Year: 2012 Days

Day: 21.6 Hours

Environment

Temp: -110 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.28 AU - 3.68 AU

Year: 2325 Days

Day: 43.9 Hours

Environment

Temp: -104 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 42,137,685 km

• M1: 37,699 km (0.085 R)
• M2: 2,543,613 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.4

Radius: 10.4

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.65 AU - 8.91 AU

Year: 7772 Days

Day: 7.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,137,685 km

• M1: 129,402 km (0.091 R)
• M2: 480,808 km (0.087 R)
• M3: 1,012,478 km (0.115 R)
• M4: 1,708,707 km (0.115 R)
• M5: 2,326,995 km (0.025 R)
• M6: 3,153,523 km (0.046 R)
• M7: 3,806,219 km (0.109 R)
• M8: 4,775,164 km (0.086 R)
• M9: 6,780,972 km (0.12 R)
• M10: 7,585,958 km (0.104 R)
• M11: 8,073,947 km (0.091 R)
• M12: 8,582,729 km (0.062 R)
• M13: 10,287,098 km (0.114 R)
• M14: 11,559,727 km (0.047 R)
• M15: 12,261,490 km (0.095 R)
• M16: 13,454,982 km (0.079 R)
• M17: 14,786,553 km (0.111 R)
• M18: 15,355,922 km (0.104 R)
• M19: 17,429,648 km (0.033 R)
• M20: 17,780,754 km (0.054 R)
• M21: 20,450,328 km (0.106 R)
• M22: 21,316,649 km (0.116 R)
• M23: 30,958,083 km (0.085 R)
• M24: 33,919,073 km (0.084 R)
• M25: 34,687,857 km (0.079 R)
• M26: 35,468,159 km (0.103 R)
• M27: 37,063,770 km (0.075 R)
• M28: 41,137,470 km (0.053 R)

Kuiper Belt

Range: 30.6 - 54.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 14,085 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit