🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.47 AU - 0.65 AU

Year: 275 Days

Day: 47.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 60,775,883 km

• M1: 41,738 km (0.096 R)
• M2: 307,424 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.9

Radius: 11.1

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.4 AU - 1.52 AU

Year: 1157 Days

Day: 9.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 141.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,775,883 km

• M1: 138,528 km (0.107 R)
• M2: 502,050 km (0.093 R)
• M3: 1,147,715 km (0.119 R)
• M4: 1,537,268 km (0.117 R)
• M5: 2,730,909 km (0.038 R)
• M6: 3,276,941 km (0.041 R)
• M7: 4,010,719 km (0.079 R)
• M8: 4,662,816 km (0.055 R)
• M9: 5,024,244 km (0.034 R)
• M10: 5,718,528 km (0.118 R)
• M11: 6,545,356 km (0.119 R)
• M12: 6,951,065 km (0.112 R)
• M13: 8,107,307 km (0.114 R)
• M14: 8,717,218 km (0.092 R)
• M15: 9,507,244 km (0.106 R)
• M16: 10,028,742 km (0.118 R)
• M17: 11,605,055 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447

Radius: 13.4

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.44 AU - 1.68 AU

Year: 1278 Days

Day: 7.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,775,883 km

• M1: 166,652 km (0.101 R)
• M2: 675,734 km (0.089 R)
• M3: 1,106,426 km (0.103 R)
• M4: 1,535,921 km (0.115 R)
• M5: 2,089,433 km (0.093 R)
• M6: 2,952,763 km (0.029 R)
• M7: 3,402,604 km (0.068 R)
• M8: 4,724,450 km (0.108 R)
• M9: 5,383,728 km (0.111 R)
• M10: 5,891,463 km (0.037 R)
• M11: 7,146,290 km (0.08 R)
• M12: 7,811,702 km (0.079 R)
• M13: 9,125,021 km (0.085 R)
• M14: 10,333,024 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.2

Radius: 12.8

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.91 AU - 2.01 AU

Year: 1800 Days

Day: 14.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 60,775,883 km

• M1: 167,849 km (0.059 R)
• M2: 1,883,437 km (0.05 R)
• M3: 3,475,009 km (0.113 R)
• M4: 6,057,816 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495

Radius: 8

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.95 AU - 6.89 AU

Year: 9449 Days

Day: 21.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,775,883 km

• M1: 99,931 km (0.085 R)
• M2: 539,450 km (0.09 R)
• M3: 1,066,034 km (0.098 R)
• M4: 1,491,940 km (0.112 R)
• M5: 2,209,411 km (0.119 R)
• M6: 4,307,820 km (0.102 R)
• M7: 5,141,529 km (0.11 R)
• M8: 5,452,543 km (0.089 R)
• M9: 5,743,361 km (0.063 R)
• M10: 6,112,719 km (0.086 R)
• M11: 6,751,502 km (0.077 R)
• M12: 7,954,717 km (0.056 R)
• M13: 9,617,348 km (0.11 R)
• M14: 10,284,405 km (0.108 R)
• M15: 11,290,450 km (0.074 R)
• M16: 12,141,363 km (0.12 R)
• M17: 12,471,376 km (0.117 R)
• M18: 12,750,825 km (0.109 R)
• M19: 16,107,502 km (0.079 R)
• M20: 20,317,336 km (0.118 R)
• M21: 22,058,356 km (0.098 R)
• M22: 23,301,065 km (0.113 R)
• M23: 25,744,447 km (0.089 R)
• M24: 36,656,415 km (0.097 R)
• M25: 38,633,052 km (0.068 R)
• M26: 39,108,324 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.9

Radius: 7.1

Gravity: 12.71 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.38 AU - 9.56 AU

Year: 14760 Days

Day: 21 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,775,883 km

• M1: 101,427 km (0.027 R)
• M2: 1,392,158 km (0.087 R)
• M3: 5,015,119 km (0.049 R)
• M4: 7,360,066 km (0.062 R)
• M5: 7,765,625 km (0.071 R)
• M6: 8,426,100 km (0.029 R)
• M7: 8,819,842 km (0.083 R)
• M8: 11,386,492 km (0.1 R)
• M9: 11,929,233 km (0.091 R)
• M10: 14,067,436 km (0.027 R)
• M11: 18,259,318 km (0.113 R)
• M12: 20,637,625 km (0.117 R)
• M13: 24,481,542 km (0.104 R)
• M14: 26,206,405 km (0.076 R)
• M15: 27,045,350 km (0.105 R)
• M16: 28,887,648 km (0.058 R)
• M17: 34,413,793 km (0.111 R)
• M18: 37,754,015 km (0.115 R)
• M19: 42,154,137 km (0.069 R)
• M20: 45,369,893 km (0.117 R)
• M21: 47,191,097 km (0.111 R)
• M22: 49,376,722 km (0.034 R)
• M23: 49,694,318 km (0.028 R)
• M24: 53,613,184 km (0.091 R)
• M25: 59,870,115 km (0.046 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 14,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit