🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.9

Radius: 8.1

Gravity: 11.48 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.44 AU - 0.58 AU

Year: 247 Days

Day: 13.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 13,606,008 km

• M1: 100,679 km (0.117 R)
• M2: 372,798 km (0.079 R)
• M3: 683,213 km (0.086 R)
• M4: 954,734 km (0.117 R)
• M5: 1,278,015 km (0.11 R)
• M6: 1,667,717 km (0.098 R)
• M7: 2,059,065 km (0.058 R)
• M8: 2,536,581 km (0.064 R)
• M9: 2,797,331 km (0.099 R)
• M10: 3,166,389 km (0.054 R)
• M11: 3,803,675 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172

Radius: 8

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.75 AU - 1.23 AU

Year: 668 Days

Day: 5.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 13,606,008 km

• M1: 113,096 km (0.088 R)
• M2: 512,373 km (0.07 R)
• M3: 1,853,368 km (0.114 R)
• M4: 2,249,952 km (0.089 R)
• M5: 2,760,530 km (0.096 R)
• M6: 3,246,573 km (0.11 R)
• M7: 4,024,332 km (0.09 R)
• M8: 4,566,625 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.6

Radius: 10.5

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.02 AU - 1.28 AU

Year: 836 Days

Day: 6.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,606,008 km

• M1: 130,599 km (0.087 R)
• M2: 598,391 km (0.1 R)
• M3: 1,021,903 km (0.073 R)
• M4: 1,427,164 km (0.059 R)
• M5: 1,834,967 km (0.078 R)
• M6: 3,070,795 km (0.111 R)
• M7: 4,727,143 km (0.113 R)
• M8: 5,137,041 km (0.088 R)
• M9: 6,307,046 km (0.116 R)
• M10: 6,698,993 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.2

Radius: 13.7

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.21 AU - 2.33 AU

Year: 2320 Days

Day: 10.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 13,606,008 km

• M1: 172,636 km (0.083 R)
• M2: 965,953 km (0.096 R)
• M3: 1,481,917 km (0.09 R)
• M4: 2,582,807 km (0.075 R)
• M5: 3,589,152 km (0.096 R)
• M6: 4,172,883 km (0.08 R)
• M7: 4,819,595 km (0.094 R)
• M8: 5,458,228 km (0.067 R)
• M9: 7,259,386 km (0.117 R)
• M10: 8,595,295 km (0.084 R)
• M11: 12,558,891 km (0.107 R)
• M12: 14,145,227 km (0.045 R)
• M13: 15,208,718 km (0.1 R)
• M14: 18,549,388 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.4

Radius: 10.8

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.42 AU - 2.62 AU

Year: 2713 Days

Day: 11 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 13,606,008 km

• M1: 134,339 km (0.11 R)
• M2: 481,855 km (0.111 R)
• M3: 990,488 km (0.068 R)
• M4: 1,993,691 km (0.118 R)
• M5: 2,430,666 km (0.104 R)
• M6: 2,799,874 km (0.118 R)
• M7: 3,206,630 km (0.1 R)
• M8: 4,378,131 km (0.038 R)
• M9: 4,834,106 km (0.098 R)
• M10: 5,922,580 km (0.05 R)
• M11: 7,044,713 km (0.086 R)
• M12: 7,480,342 km (0.081 R)
• M13: 8,896,286 km (0.1 R)
• M14: 10,563,704 km (0.076 R)
• M15: 11,135,318 km (0.088 R)
• M16: 11,727,575 km (0.076 R)
• M17: 13,918,885 km (0.103 R)
• M18: 16,424,201 km (0.108 R)
• M19: 18,917,548 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.6

Radius: 9.7

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.36 AU - 3.12 AU

Year: 3076 Days

Day: 13.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 13,606,008 km

• M1: 120,576 km (0.067 R)
• M2: 452,384 km (0.075 R)
• M3: 823,835 km (0.117 R)
• M4: 1,422,825 km (0.078 R)
• M5: 1,895,555 km (0.111 R)
• M6: 2,350,033 km (0.113 R)
• M7: 2,676,156 km (0.117 R)
• M8: 3,363,409 km (0.115 R)
• M9: 3,800,534 km (0.091 R)
• M10: 4,961,264 km (0.118 R)
• M11: 5,636,997 km (0.049 R)
• M12: 6,111,073 km (0.098 R)
• M13: 6,431,960 km (0.057 R)
• M14: 9,153,894 km (0.078 R)
• M15: 11,787,265 km (0.099 R)
• M16: 13,180,320 km (0.093 R)
• M17: 14,066,987 km (0.108 R)
• M18: 16,966,343 km (0.059 R)
• M19: 17,602,284 km (0.118 R)
• M20: 18,194,243 km (0.087 R)
• M21: 19,480,336 km (0.046 R)
• M22: 19,985,827 km (0.118 R)
• M23: 23,417,153 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.2

Radius: 13.4

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.16 AU - 4.1 AU

Year: 4691 Days

Day: 8.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,606,008 km

• M1: 166,652 km (0.04 R)
• M2: 680,970 km (0.109 R)
• M3: 1,327,083 km (0.052 R)
• M4: 1,747,752 km (0.032 R)
• M5: 2,955,007 km (0.085 R)
• M6: 6,350,130 km (0.113 R)
• M7: 6,919,350 km (0.037 R)
• M8: 11,872,087 km (0.065 R)
• M9: 13,286,086 km (0.104 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 16,335 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit