🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.61 AU - 0.99 AU

Year: 263 Days

Day: 47.3 Hours

Environment

Temp: 86 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.92 AU - 0.96 AU

Year: 335 Days

Day: 24.9 Hours

Environment

Temp: 32 °C

Axial Tilt: 49.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 70,719,515 km

• M1: 30,518 km (0.113 R)
• M2: 131,497 km (0.085 R)

Asteroid Belt

Center: 2.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.6 AU - 3.98 AU

Year: 2709 Days

Day: 30.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.01 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 14.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107

Radius: 6.2

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 11.44 AU - 17.02 AU

Year: 19705 Days

Day: 22.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,719,515 km

• M1: 77,043 km (0.108 R)
• M2: 576,251 km (0.115 R)
• M3: 1,260,362 km (0.051 R)
• M4: 1,454,540 km (0.083 R)
• M5: 1,873,564 km (0.047 R)
• M6: 2,516,535 km (0.099 R)
• M7: 3,503,283 km (0.115 R)
• M8: 4,175,277 km (0.049 R)
• M9: 4,668,650 km (0.108 R)
• M10: 6,489,406 km (0.112 R)
• M11: 6,705,126 km (0.073 R)
• M12: 8,101,772 km (0.026 R)
• M13: 10,107,131 km (0.081 R)
• M14: 10,300,113 km (0.077 R)
• M15: 13,672,049 km (0.101 R)
• M16: 16,091,645 km (0.107 R)
• M17: 21,519,355 km (0.091 R)
• M18: 35,460,380 km (0.046 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.7

Radius: 4.9

Gravity: 16.02 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 13.21 AU - 19.17 AU

Year: 23913 Days

Day: 15.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,719,515 km

• M1: 61,186 km (0.115 R)
• M2: 216,169 km (0.1 R)
• M3: 530,474 km (0.074 R)
• M4: 803,041 km (0.115 R)
• M5: 1,074,861 km (0.04 R)
• M6: 1,232,537 km (0.053 R)
• M7: 1,514,379 km (0.055 R)
• M8: 1,784,254 km (0.104 R)
• M9: 2,717,445 km (0.105 R)
• M10: 3,640,015 km (0.067 R)
• M11: 3,968,832 km (0.076 R)
• M12: 4,895,291 km (0.089 R)
• M13: 5,147,812 km (0.058 R)
• M14: 5,998,276 km (0.079 R)
• M15: 8,735,169 km (0.118 R)
• M16: 16,178,112 km (0.118 R)
• M17: 21,888,412 km (0.067 R)
• M18: 22,474,836 km (0.063 R)
• M19: 22,971,501 km (0.08 R)
• M20: 24,714,615 km (0.105 R)
• M21: 31,201,030 km (0.111 R)
• M22: 45,792,207 km (0.12 R)
• M23: 47,234,630 km (0.093 R)
• M24: 50,378,429 km (0.12 R)
• M25: 51,057,604 km (0.099 R)
• M26: 58,375,034 km (0.098 R)
• M27: 62,966,641 km (0.116 R)
• M28: 63,359,785 km (0.11 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 15,688 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit