🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.49 AU - 0.65 AU

Year: 153 Days

Day: 33.1 Hours

Environment

Temp: 201 °C

Axial Tilt: 14.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.4

Radius: 10.5

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.27 AU - 6.99 AU

Year: 4762 Days

Day: 6.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,777,085 km

• M1: 130,898 km (0.038 R)
• M2: 511,774 km (0.065 R)
• M3: 998,267 km (0.114 R)
• M4: 1,349,223 km (0.082 R)
• M5: 1,847,833 km (0.117 R)
• M6: 2,799,126 km (0.058 R)
• M7: 3,354,732 km (0.11 R)
• M8: 3,743,836 km (0.099 R)
• M9: 4,231,825 km (0.118 R)
• M10: 4,613,150 km (0.067 R)
• M11: 6,313,180 km (0.098 R)
• M12: 6,876,715 km (0.093 R)
• M13: 8,249,724 km (0.084 R)
• M14: 8,770,923 km (0.097 R)
• M15: 9,920,732 km (0.104 R)
• M16: 13,611,162 km (0.12 R)
• M17: 15,314,334 km (0.078 R)
• M18: 20,186,587 km (0.088 R)
• M19: 20,996,809 km (0.099 R)
• M20: 22,395,250 km (0.088 R)
• M21: 23,263,516 km (0.067 R)
• M22: 25,688,647 km (0.114 R)
• M23: 26,320,399 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.2

Radius: 8.1

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.03 AU - 8.17 AU

Year: 8217 Days

Day: 13.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,777,085 km

• M1: 100,679 km (0.087 R)
• M2: 356,941 km (0.071 R)
• M3: 765,792 km (0.089 R)
• M4: 1,447,808 km (0.096 R)
• M5: 1,781,112 km (0.109 R)
• M6: 2,195,947 km (0.096 R)
• M7: 3,062,268 km (0.1 R)
• M8: 3,530,061 km (0.09 R)
• M9: 4,608,662 km (0.109 R)
• M10: 4,869,560 km (0.081 R)
• M11: 5,421,427 km (0.12 R)
• M12: 6,584,251 km (0.093 R)
• M13: 8,865,170 km (0.106 R)
• M14: 12,410,191 km (0.118 R)
• M15: 13,704,063 km (0.094 R)
• M16: 15,314,783 km (0.099 R)
• M17: 17,611,559 km (0.102 R)
• M18: 18,775,730 km (0.037 R)
• M19: 19,174,857 km (0.03 R)
• M20: 19,784,318 km (0.066 R)
• M21: 20,336,783 km (0.099 R)
• M22: 20,828,661 km (0.096 R)
• M23: 27,535,582 km (0.113 R)
• M24: 28,748,372 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.4

Radius: 3.9

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 11.38 AU - 15.28 AU

Year: 17348 Days

Day: 23.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 167 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,777,085 km

• M1: 67,020 km (0.05 R)
• M2: 278,850 km (0.062 R)
• M3: 1,008,439 km (0.073 R)
• M4: 1,907,373 km (0.058 R)
• M5: 2,263,416 km (0.099 R)
• M6: 4,249,627 km (0.107 R)
• M7: 6,782,319 km (0.115 R)
• M8: 12,224,540 km (0.111 R)
• M9: 14,227,206 km (0.103 R)
• M10: 15,501,930 km (0.058 R)
• M11: 18,349,376 km (0.092 R)
• M12: 19,472,556 km (0.052 R)
• M13: 22,521,660 km (0.118 R)
• M14: 22,775,079 km (0.115 R)
• M15: 27,093,371 km (0.111 R)
• M16: 33,657,277 km (0.11 R)
• M17: 37,777,651 km (0.067 R)

Kuiper Belt

Range: 30.8 - 57.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 17,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit