🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.93 AU - 1.37 AU

Year: 353 Days

Day: 37.9 Hours

Environment

Temp: 234 °C

Axial Tilt: 11.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,694,332 km

• M1: 76,744 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.95 AU - 1.41 AU

Year: 367 Days

Day: 13.2 Hours

Environment

Temp: 232 °C

Axial Tilt: 38.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,694,332 km

• M1: 43,533 km (0.093 R)

Asteroid Belt

Center: 10.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 19.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.5

Radius: 4.3

Gravity: 40.64 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 14.95 AU - 23.47 AU

Year: 24087 Days

Day: 20.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,694,332 km

• M1: 53,706 km (0.103 R)
• M2: 195,674 km (0.093 R)
• M3: 562,638 km (0.105 R)
• M4: 732,282 km (0.115 R)
• M5: 875,596 km (0.107 R)
• M6: 1,220,419 km (0.102 R)
• M7: 1,631,963 km (0.117 R)
• M8: 2,828,297 km (0.084 R)
• M9: 4,697,822 km (0.087 R)
• M10: 5,002,254 km (0.025 R)
• M11: 7,014,046 km (0.095 R)
• M12: 9,688,706 km (0.077 R)
• M13: 15,812,046 km (0.092 R)
• M14: 16,151,035 km (0.104 R)
• M15: 26,043,942 km (0.09 R)
• M16: 26,635,452 km (0.057 R)
• M17: 35,160,885 km (0.054 R)
• M18: 35,737,884 km (0.105 R)
• M19: 41,218,851 km (0.078 R)
• M20: 46,711,935 km (0.037 R)
• M21: 54,190,931 km (0.109 R)
• M22: 58,514,609 km (0.105 R)
• M23: 60,553,777 km (0.085 R)
• M24: 61,799,778 km (0.075 R)
• M25: 64,128,269 km (0.115 R)
• M26: 66,734,413 km (0.112 R)
• M27: 74,974,713 km (0.103 R)
• M28: 78,599,320 km (0.064 R)

Planet 4 - Ice Giant

Semi-Major Axis: 20.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208

Radius: 6.7

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 19.94 AU - 20.34 AU

Year: 25857 Days

Day: 24.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,694,332 km

• M1: 83,476 km (0.108 R)
• M2: 365,617 km (0.112 R)
• M3: 1,041,800 km (0.083 R)
• M4: 1,442,572 km (0.105 R)
• M5: 2,749,459 km (0.07 R)
• M6: 3,356,976 km (0.05 R)
• M7: 4,446,797 km (0.095 R)
• M8: 6,021,464 km (0.08 R)
• M9: 8,803,835 km (0.095 R)
• M10: 10,057,914 km (0.107 R)
• M11: 11,073,384 km (0.114 R)
• M12: 12,217,808 km (0.079 R)
• M13: 17,037,851 km (0.054 R)
• M14: 17,907,763 km (0.112 R)
• M15: 20,430,581 km (0.107 R)
• M16: 20,783,931 km (0.118 R)
• M17: 23,372,573 km (0.117 R)
• M18: 24,149,883 km (0.119 R)
• M19: 25,858,740 km (0.118 R)
• M20: 26,690,055 km (0.08 R)
• M21: 34,991,092 km (0.093 R)
• M22: 35,243,314 km (0.098 R)
• M23: 37,834,049 km (0.087 R)
• M24: 41,247,424 km (0.116 R)
• M25: 45,757,950 km (0.081 R)
• M26: 46,667,505 km (0.099 R)
• M27: 57,304,661 km (0.087 R)

Kuiper Belt

Range: 38.3 - 55.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 11,654 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit