🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.54 AU - 0.74 AU

Year: 183 Days

Day: 41.3 Hours

Environment

Temp: 141 °C

Axial Tilt: 21.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.58 AU - 0.96 AU

Year: 241 Days

Day: 28 Hours

Environment

Temp: 159 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,624,068 km

• M1: 334,650 km (0.077 R)

Planet 3 - Terrestrial

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.66 AU - 5.56 AU

Year: 4117 Days

Day: 15.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.7

Radius: 11.4

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.63 AU - 6.89 AU

Year: 4928 Days

Day: 6.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,624,068 km

• M1: 141,819 km (0.087 R)
• M2: 975,229 km (0.092 R)
• M3: 1,460,374 km (0.089 R)
• M4: 2,316,972 km (0.039 R)
• M5: 2,755,742 km (0.114 R)
• M6: 3,900,465 km (0.113 R)
• M7: 4,636,337 km (0.086 R)
• M8: 5,387,917 km (0.056 R)
• M9: 7,685,740 km (0.063 R)
• M10: 14,546,747 km (0.079 R)
• M11: 16,892,143 km (0.113 R)
• M12: 17,763,999 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375

Radius: 15

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.06 AU - 10.6 AU

Year: 10158 Days

Day: 14.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,624,068 km

• M1: 186,549 km (0.048 R)
• M2: 848,220 km (0.103 R)
• M3: 1,877,453 km (0.067 R)
• M4: 3,756,403 km (0.09 R)
• M5: 4,333,551 km (0.084 R)
• M6: 4,969,791 km (0.083 R)
• M7: 5,542,003 km (0.111 R)
• M8: 6,259,624 km (0.068 R)
• M9: 7,299,628 km (0.107 R)
• M10: 8,535,755 km (0.06 R)
• M11: 10,000,917 km (0.066 R)
• M12: 10,818,320 km (0.118 R)
• M13: 16,297,491 km (0.113 R)
• M14: 17,362,329 km (0.102 R)
• M15: 18,686,569 km (0.103 R)
• M16: 19,557,079 km (0.116 R)
• M17: 21,931,197 km (0.105 R)
• M18: 23,394,713 km (0.093 R)
• M19: 24,150,631 km (0.074 R)
• M20: 25,183,605 km (0.084 R)
• M21: 25,711,087 km (0.11 R)
• M22: 28,554,793 km (0.096 R)
• M23: 33,999,258 km (0.11 R)
• M24: 34,752,184 km (0.109 R)
• M25: 35,296,870 km (0.056 R)
• M26: 37,418,616 km (0.071 R)

Kuiper Belt

Range: 30.8 - 47.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 17,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit