🌌 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: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.45 AU - 0.63 AU

Year: 152 Days

Day: 32.9 Hours

Environment

Temp: 164 °C

Axial Tilt: 33.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 60,023,684 km

• M1: 24,235 km (0.099 R)
• M2: 110,553 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.79 AU - 1.21 AU

Year: 383 Days

Day: 14.6 Hours

Environment

Temp: -0 °C

Axial Tilt: 52.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.28 AU - 1.7 AU

Year: 696 Days

Day: 25.1 Hours

Environment

Temp: -45 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,023,684 km

• M1: 77,940 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.3

Radius: 12.2

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.51 AU - 4.85 AU

Year: 3272 Days

Day: 8.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,023,684 km

• M1: 152,141 km (0.085 R)
• M2: 633,996 km (0.115 R)
• M3: 1,016,817 km (0.061 R)
• M4: 1,762,861 km (0.035 R)
• M5: 2,463,279 km (0.058 R)
• M6: 3,324,364 km (0.098 R)
• M7: 4,923,266 km (0.119 R)
• M8: 5,739,622 km (0.101 R)
• M9: 6,784,862 km (0.117 R)
• M10: 8,436,422 km (0.111 R)
• M11: 9,285,839 km (0.096 R)
• M12: 10,417,248 km (0.039 R)
• M13: 10,840,011 km (0.058 R)
• M14: 11,516,194 km (0.085 R)
• M15: 12,865,118 km (0.11 R)
• M16: 14,082,994 km (0.102 R)
• M17: 15,327,050 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.9

Radius: 3.3

Gravity: 16.24 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 15.16 AU - 19.46 AU

Year: 27575 Days

Day: 23.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,023,684 km

• M1: 60,737 km (0.103 R)
• M2: 1,386,174 km (0.092 R)
• M3: 1,898,098 km (0.088 R)
• M4: 2,100,205 km (0.071 R)
• M5: 3,006,020 km (0.118 R)
• M6: 4,843,381 km (0.034 R)
• M7: 5,879,496 km (0.112 R)
• M8: 9,912,205 km (0.1 R)
• M9: 10,184,773 km (0.039 R)
• M10: 16,437,814 km (0.032 R)
• M11: 24,843,419 km (0.105 R)
• M12: 32,273,796 km (0.076 R)
• M13: 34,836,557 km (0.114 R)
• M14: 35,213,394 km (0.114 R)
• M15: 37,663,508 km (0.057 R)
• M16: 38,997,472 km (0.059 R)
• M17: 42,184,505 km (0.108 R)
• M18: 43,768,447 km (0.116 R)
• M19: 45,093,436 km (0.029 R)
• M20: 53,109,787 km (0.079 R)
• M21: 58,595,541 km (0.078 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 13,844 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit