🌌 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: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.46 AU - 0.64 AU

Year: 148 Days

Day: 17.8 Hours

Environment

Temp: 217 °C

Axial Tilt: 7.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.51 AU - 0.67 AU

Year: 165 Days

Day: 15.1 Hours

Environment

Temp: 229 °C

Axial Tilt: 1.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,335,923 km

• M1: 33,360 km (0.049 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.58 AU - 0.62 AU

Year: 169 Days

Day: 36.6 Hours

Environment

Temp: 205 °C

Axial Tilt: 124 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,335,923 km

• M1: 90,507 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.5 AU - 0.78 AU

Year: 186 Days

Day: 15.9 Hours

Environment

Temp: 163 °C

Axial Tilt: 13.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.8 AU - 1.1 AU

Year: 337 Days

Day: 46.6 Hours

Environment

Temp: 120 °C

Axial Tilt: 12.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.22 AU - 1.34 AU

Year: 526 Days

Day: 43.6 Hours

Environment

Temp: 5 °C

Axial Tilt: 28.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 7 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.56 AU - 1.94 AU

Year: 841 Days

Day: 20.5 Hours

Environment

Temp: -58 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.26 AU - 3.06 AU

Year: 1577 Days

Day: 12.5 Hours

Environment

Temp: -98 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.43 AU - 3.51 AU

Year: 1860 Days

Day: 23.3 Hours

Environment

Temp: -97 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.32 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 19.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.8

Radius: 7.3

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 19.42 AU - 19.9 AU

Year: 31681 Days

Day: 19.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 86,335,923 km

• M1: 92,451 km (0.108 R)
• M2: 370,404 km (0.095 R)
• M3: 682,316 km (0.051 R)
• M4: 1,677,740 km (0.111 R)
• M5: 1,923,829 km (0.096 R)
• M6: 2,172,460 km (0.087 R)
• M7: 3,571,051 km (0.096 R)
• M8: 3,852,295 km (0.107 R)
• M9: 4,148,199 km (0.108 R)
• M10: 5,051,023 km (0.057 R)
• M11: 5,610,519 km (0.106 R)
• M12: 6,618,359 km (0.091 R)
• M13: 7,690,827 km (0.092 R)
• M14: 8,322,429 km (0.085 R)
• M15: 9,159,878 km (0.073 R)
• M16: 9,510,086 km (0.112 R)
• M17: 11,198,149 km (0.066 R)
• M18: 12,570,709 km (0.12 R)
• M19: 15,318,074 km (0.079 R)
• M20: 17,713,884 km (0.077 R)
• M21: 19,189,368 km (0.038 R)
• M22: 21,045,877 km (0.094 R)
• M23: 26,030,179 km (0.076 R)
• M24: 26,263,103 km (0.115 R)
• M25: 27,209,010 km (0.083 R)
• M26: 28,794,299 km (0.068 R)
• M27: 32,147,685 km (0.097 R)
• M28: 33,503,939 km (0.109 R)
• M29: 45,249,317 km (0.116 R)
• M30: 49,761,937 km (0.095 R)
• M31: 50,481,801 km (0.052 R)
• M32: 51,391,357 km (0.12 R)
• M33: 51,942,325 km (0.046 R)
• M34: 63,383,571 km (0.1 R)
• M35: 64,655,003 km (0.108 R)
• M36: 71,040,887 km (0.06 R)
• M37: 71,724,550 km (0.098 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 19,150 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit