🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.46 AU - 0.6 AU

Year: 140 Days

Day: 15.2 Hours

Environment

Temp: 219 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.89 AU - 0.95 AU

Year: 319 Days

Day: 30.5 Hours

Environment

Temp: 75 °C

Axial Tilt: 7.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1 AU - 1.42 AU

Year: 481 Days

Day: 16.9 Hours

Environment

Temp: 17 °C

Axial Tilt: 31.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.27 AU - 1.65 AU

Year: 638 Days

Day: 30.1 Hours

Environment

Temp: -33 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,976,644 km

• M1: 593,006 km (0.089 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.52 AU - 1.58 AU

Year: 698 Days

Day: 21.3 Hours

Environment

Temp: -40 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.1 AU - 2.32 AU

Year: 1188 Days

Day: 47.5 Hours

Environment

Temp: -67 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 20,976,644 km

• M1: 879,635 km (0.065 R)
• M2: 1,694,794 km (0.108 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.73 AU - 3.73 AU

Year: 2605 Days

Day: 39.9 Hours

Environment

Temp: -114 °C

Axial Tilt: 53.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.01 AU - 4.83 AU

Year: 2807 Days

Day: 14.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.3

Radius: 9.1

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.86 AU - 11.44 AU

Year: 10010 Days

Day: 8.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 20,976,644 km

• M1: 155,432 km (0.114 R)
• M2: 216,169 km (0.069 R)
• M3: 339,438 km (0.098 R)
• M4: 823,087 km (0.052 R)
• M5: 926,759 km (0.089 R)
• M6: 1,046,288 km (0.098 R)
• M7: 1,374,056 km (0.104 R)
• M8: 1,773,333 km (0.115 R)
• M9: 1,979,329 km (0.09 R)
• M10: 2,092,276 km (0.083 R)
• M11: 2,489,907 km (0.052 R)
• M12: 2,799,724 km (0.102 R)
• M13: 3,204,386 km (0.116 R)
• M14: 3,473,064 km (0.116 R)
• M15: 4,050,362 km (0.098 R)
• M16: 4,451,733 km (0.063 R)
• M17: 4,563,483 km (0.102 R)
• M18: 4,961,862 km (0.12 R)
• M19: 5,233,682 km (0.113 R)
• M20: 5,771,785 km (0.096 R)
• M21: 5,873,362 km (0.118 R)
• M22: 6,223,271 km (0.093 R)
• M23: 6,411,166 km (0.076 R)
• M24: 6,921,744 km (0.098 R)
• M25: 7,008,062 km (0.081 R)
• M26: 7,981,645 km (0.097 R)
• M27: 8,254,511 km (0.086 R)
• M28: 8,323,326 km (0.068 R)
• M29: 8,461,256 km (0.048 R)
• M30: 9,186,207 km (0.112 R)
• M31: 9,400,431 km (0.072 R)
• M32: 9,664,621 km (0.114 R)
• M33: 9,761,261 km (0.107 R)
• M34: 10,446,719 km (0.028 R)
• M35: 10,870,529 km (0.118 R)
• M36: 11,249,012 km (0.116 R)
• M37: 11,709,175 km (0.11 R)
• M38: 12,149,292 km (0.108 R)
• M39: 12,568,465 km (0.052 R)
• M40: 13,072,460 km (0.089 R)
• M41: 13,206,201 km (0.104 R)
• M42: 14,485,562 km (0.058 R)
• M43: 14,874,217 km (0.097 R)
• M44: 15,350,836 km (0.109 R)
• M45: 16,347,756 km (0.069 R)
• M46: 16,578,586 km (0.094 R)
• M47: 16,665,502 km (0.097 R)
• M48: 16,926,849 km (0.093 R)
• M49: 17,160,372 km (0.096 R)
• M50: 19,006,110 km (0.108 R)
• M51: 19,097,066 km (0.081 R)
• M52: 19,431,567 km (0.106 R)
• M53: 20,540,087 km (0.108 R)
• M54: 20,976,613 km (0.106 R)

Kuiper Belt

Range: 30.3 - 52.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 11,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit