🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.9

Radius: 12.6

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.64 AU - 0.66 AU

Year: 355 Days

Day: 11.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,980,309 km

• M1: 156,629 km (0.095 R)
• M2: 577,298 km (0.105 R)
• M3: 992,731 km (0.114 R)
• M4: 1,410,858 km (0.049 R)
• M5: 1,887,476 km (0.079 R)
• M6: 2,342,703 km (0.115 R)
• M7: 2,825,904 km (0.112 R)
• M8: 3,355,181 km (0.093 R)
• M9: 3,825,666 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.2

Radius: 12.4

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.66 AU - 0.88 AU

Year: 458 Days

Day: 5.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,980,309 km

• M1: 154,385 km (0.112 R)
• M2: 556,953 km (0.11 R)
• M3: 1,062,893 km (0.109 R)
• M4: 2,023,610 km (0.109 R)
• M5: 2,854,178 km (0.061 R)
• M6: 3,677,265 km (0.114 R)
• M7: 4,505,439 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.8

Radius: 9.1

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.11 AU - 1.75 AU

Year: 1160 Days

Day: 9.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,980,309 km

• M1: 113,096 km (0.03 R)
• M2: 409,898 km (0.108 R)
• M3: 737,966 km (0.097 R)
• M4: 1,910,664 km (0.105 R)
• M5: 2,409,423 km (0.056 R)
• M6: 2,732,106 km (0.099 R)
• M7: 3,551,154 km (0.098 R)
• M8: 4,161,065 km (0.094 R)
• M9: 4,525,336 km (0.119 R)
• M10: 4,928,951 km (0.103 R)
• M11: 5,413,797 km (0.116 R)
• M12: 5,768,045 km (0.092 R)
• M13: 8,025,477 km (0.085 R)
• M14: 8,434,777 km (0.067 R)
• M15: 8,965,700 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.4

Radius: 9.3

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.49 AU - 2.31 AU

Year: 1776 Days

Day: 10.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,980,309 km

• M1: 115,789 km (0.114 R)
• M2: 709,692 km (0.107 R)
• M3: 1,170,603 km (0.117 R)
• M4: 1,845,888 km (0.046 R)
• M5: 2,342,852 km (0.106 R)
• M6: 3,067,205 km (0.12 R)
• M7: 5,504,603 km (0.049 R)
• M8: 7,691,575 km (0.091 R)
• M9: 7,993,014 km (0.12 R)
• M10: 8,428,194 km (0.072 R)
• M11: 9,110,660 km (0.085 R)
• M12: 10,148,869 km (0.056 R)
• M13: 12,959,963 km (0.051 R)
• M14: 13,648,711 km (0.108 R)
• M15: 14,136,101 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.9

Radius: 13.6

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.87 AU - 3.25 AU

Year: 3631 Days

Day: 13 Hours

Environment

Temp: -214 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,980,309 km

• M1: 169,195 km (0.092 R)
• M2: 633,547 km (0.11 R)
• M3: 1,156,242 km (0.096 R)
• M4: 1,685,519 km (0.115 R)
• M5: 2,524,015 km (0.049 R)
• M6: 3,091,590 km (0.077 R)
• M7: 3,606,206 km (0.116 R)
• M8: 4,050,512 km (0.118 R)
• M9: 5,249,240 km (0.119 R)
• M10: 6,942,987 km (0.117 R)
• M11: 8,443,304 km (0.104 R)
• M12: 8,904,215 km (0.046 R)
• M13: 9,570,225 km (0.076 R)
• M14: 10,111,021 km (0.097 R)
• M15: 11,169,426 km (0.092 R)
• M16: 12,210,926 km (0.094 R)
• M17: 16,534,604 km (0.092 R)
• M18: 20,114,032 km (0.043 R)
• M19: 22,318,656 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.6

Radius: 13.6

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.06 AU - 3.24 AU

Year: 3792 Days

Day: 5.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,980,309 km

• M1: 169,345 km (0.084 R)
• M2: 945,758 km (0.088 R)
• M3: 1,906,625 km (0.08 R)
• M4: 2,480,482 km (0.077 R)
• M5: 5,612,763 km (0.069 R)
• M6: 6,381,995 km (0.094 R)
• M7: 7,916,570 km (0.115 R)
• M8: 9,029,727 km (0.069 R)
• M9: 9,746,301 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.6

Radius: 11.6

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.4 AU - 5.12 AU

Year: 5964 Days

Day: 7 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,980,309 km

• M1: 144,212 km (0.098 R)
• M2: 562,638 km (0.085 R)
• M3: 1,002,755 km (0.095 R)
• M4: 2,179,043 km (0.048 R)
• M5: 3,255,698 km (0.098 R)
• M6: 3,738,002 km (0.118 R)
• M7: 4,167,797 km (0.073 R)
• M8: 6,906,036 km (0.109 R)
• M9: 7,668,836 km (0.062 R)
• M10: 9,623,033 km (0.106 R)
• M11: 10,296,672 km (0.115 R)
• M12: 11,588,150 km (0.11 R)
• M13: 15,557,431 km (0.075 R)
• M14: 16,110,045 km (0.097 R)
• M15: 16,739,403 km (0.058 R)
• M16: 19,002,520 km (0.117 R)
• M17: 20,207,381 km (0.102 R)
• M18: 22,926,023 km (0.075 R)
• M19: 25,035,204 km (0.089 R)
• M20: 26,223,011 km (0.115 R)
• M21: 26,656,246 km (0.103 R)
• M22: 29,823,532 km (0.047 R)
• M23: 30,581,246 km (0.07 R)
• M24: 32,931,727 km (0.063 R)
• M25: 33,945,702 km (0.104 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 19,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit