🌌 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: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.51 AU - 0.53 AU

Year: 131 Days

Day: 14.4 Hours

Environment

Temp: 216 °C

Axial Tilt: 29.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.53 AU - 0.69 AU

Year: 167 Days

Day: 33.2 Hours

Environment

Temp: 193 °C

Axial Tilt: 43.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.89 AU - 1.03 AU

Year: 329 Days

Day: 43.7 Hours

Environment

Temp: 176 °C

Axial Tilt: 23.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.9 AU - 1.3 AU

Year: 404 Days

Day: 20.4 Hours

Environment

Temp: 110 °C

Axial Tilt: 29.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.41 AU - 1.65 AU

Year: 662 Days

Day: 33.2 Hours

Environment

Temp: -19 °C

Axial Tilt: 32.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 16,881,498 km

• M1: 359,633 km (0.099 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.01 AU - 2.39 AU

Year: 1142 Days

Day: 34.4 Hours

Environment

Temp: -63 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.37 AU - 5.69 AU

Year: 4550 Days

Day: 43.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,881,498 km

• M1: 1,250,489 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36

Radius: 14.3

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.78 AU - 9.8 AU

Year: 9117 Days

Day: 9.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 16,881,498 km

• M1: 185,651 km (0.111 R)
• M2: 296,653 km (0.027 R)
• M3: 621,280 km (0.076 R)
• M4: 762,500 km (0.063 R)
• M5: 854,952 km (0.077 R)
• M6: 951,742 km (0.083 R)
• M7: 1,207,105 km (0.082 R)
• M8: 1,317,808 km (0.085 R)
• M9: 1,683,126 km (0.12 R)
• M10: 1,889,720 km (0.064 R)
• M11: 2,141,793 km (0.103 R)
• M12: 2,341,356 km (0.081 R)
• M13: 2,705,926 km (0.082 R)
• M14: 2,840,564 km (0.078 R)
• M15: 2,936,307 km (0.096 R)
• M16: 3,159,058 km (0.102 R)
• M17: 3,272,603 km (0.09 R)
• M18: 3,373,133 km (0.103 R)
• M19: 4,168,096 km (0.079 R)
• M20: 4,324,575 km (0.103 R)
• M21: 4,579,041 km (0.109 R)
• M22: 5,019,757 km (0.11 R)
• M23: 5,338,250 km (0.102 R)
• M24: 5,457,330 km (0.082 R)
• M25: 5,907,171 km (0.058 R)
• M26: 6,065,745 km (0.073 R)
• M27: 6,531,892 km (0.106 R)
• M28: 6,677,600 km (0.108 R)
• M29: 6,972,607 km (0.099 R)
• M30: 7,613,484 km (0.092 R)
• M31: 8,018,745 km (0.038 R)
• M32: 8,431,186 km (0.097 R)
• M33: 8,590,209 km (0.111 R)
• M34: 8,890,901 km (0.111 R)
• M35: 9,093,456 km (0.047 R)
• M36: 9,751,687 km (0.08 R)
• M37: 10,192,103 km (0.109 R)
• M38: 11,070,542 km (0.096 R)
• M39: 11,288,655 km (0.12 R)
• M40: 11,773,203 km (0.112 R)
• M41: 12,445,047 km (0.117 R)
• M42: 12,762,942 km (0.08 R)
• M43: 12,991,677 km (0.111 R)
• M44: 13,083,531 km (0.11 R)
• M45: 13,476,225 km (0.074 R)
• M46: 13,569,275 km (0.112 R)
• M47: 13,779,310 km (0.113 R)
• M48: 14,179,036 km (0.097 R)
• M49: 15,182,837 km (0.1 R)
• M50: 15,449,570 km (0.095 R)
• M51: 15,693,415 km (0.114 R)
• M52: 16,259,045 km (0.115 R)
• M53: 16,358,078 km (0.043 R)
• M54: 16,482,245 km (0.031 R)
• M55: 16,581,727 km (0.104 R)
• M56: 16,756,308 km (0.077 R)
• M57: 16,856,389 km (0.085 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 13,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit