🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.5

Radius: 13

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.58 AU - 0.84 AU

Year: 386 Days

Day: 14 Hours

Environment

Temp: -136 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,894,372 km

• M1: 161,715 km (0.117 R)
• M2: 565,929 km (0.061 R)
• M3: 1,123,181 km (0.105 R)
• M4: 2,367,685 km (0.102 R)
• M5: 2,877,665 km (0.075 R)
• M6: 3,449,876 km (0.069 R)
• M7: 3,976,012 km (0.064 R)
• M8: 4,411,791 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.9

Radius: 12.5

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.74 AU - 1.94 AU

Year: 1612 Days

Day: 14.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,894,372 km

• M1: 156,928 km (0.104 R)
• M2: 606,470 km (0.115 R)
• M3: 1,172,099 km (0.093 R)
• M4: 1,608,626 km (0.08 R)
• M5: 2,081,505 km (0.034 R)
• M6: 2,509,504 km (0.095 R)
• M7: 3,092,038 km (0.061 R)
• M8: 3,945,793 km (0.079 R)
• M9: 4,640,676 km (0.047 R)
• M10: 6,294,929 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290

Radius: 8.5

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.86 AU - 2.3 AU

Year: 1937 Days

Day: 10.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,894,372 km

• M1: 105,766 km (0.119 R)
• M2: 653,743 km (0.08 R)
• M3: 1,401,882 km (0.092 R)
• M4: 1,883,736 km (0.101 R)
• M5: 2,533,739 km (0.119 R)
• M6: 2,816,629 km (0.095 R)
• M7: 3,120,612 km (0.104 R)
• M8: 3,811,455 km (0.069 R)
• M9: 5,708,206 km (0.053 R)
• M10: 6,452,755 km (0.034 R)
• M11: 7,544,221 km (0.057 R)
• M12: 8,216,813 km (0.085 R)
• M13: 9,527,440 km (0.065 R)
• M14: 11,799,682 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.8

Radius: 9.9

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.87 AU - 2.55 AU

Year: 2121 Days

Day: 10.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,894,372 km

• M1: 123,119 km (0.106 R)
• M2: 501,751 km (0.106 R)
• M3: 826,678 km (0.119 R)
• M4: 1,140,684 km (0.111 R)
• M5: 1,661,733 km (0.07 R)
• M6: 2,012,391 km (0.057 R)
• M7: 2,361,253 km (0.089 R)
• M8: 2,779,080 km (0.108 R)
• M9: 3,391,085 km (0.096 R)
• M10: 4,376,336 km (0.084 R)
• M11: 5,588,228 km (0.113 R)
• M12: 6,135,906 km (0.051 R)
• M13: 6,745,218 km (0.069 R)
• M14: 7,734,210 km (0.098 R)
• M15: 10,806,053 km (0.025 R)
• M16: 12,792,563 km (0.08 R)
• M17: 14,390,268 km (0.094 R)
• M18: 15,191,813 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.8

Radius: 9.6

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.38 AU - 4.62 AU

Year: 6164 Days

Day: 11.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,894,372 km

• M1: 119,529 km (0.065 R)
• M2: 465,100 km (0.114 R)
• M3: 983,456 km (0.101 R)
• M4: 1,460,674 km (0.114 R)
• M5: 1,833,621 km (0.044 R)
• M6: 2,633,371 km (0.103 R)
• M7: 3,152,027 km (0.03 R)
• M8: 4,295,703 km (0.025 R)
• M9: 5,491,439 km (0.108 R)
• M10: 6,244,814 km (0.104 R)
• M11: 7,627,696 km (0.118 R)
• M12: 10,354,566 km (0.117 R)
• M13: 10,667,974 km (0.095 R)
• M14: 10,987,515 km (0.062 R)
• M15: 11,598,173 km (0.116 R)
• M16: 12,632,194 km (0.115 R)
• M17: 13,250,033 km (0.096 R)
• M18: 17,325,378 km (0.059 R)
• M19: 22,019,909 km (0.082 R)
• M20: 23,911,125 km (0.038 R)
• M21: 24,856,434 km (0.036 R)
• M22: 25,177,022 km (0.057 R)
• M23: 26,653,853 km (0.036 R)
• M24: 27,074,073 km (0.043 R)
• M25: 27,413,511 km (0.068 R)
• M26: 27,927,978 km (0.052 R)
• M27: 28,448,728 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.4

Radius: 6.3

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.83 AU - 10.09 AU

Year: 18787 Days

Day: 24.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,894,372 km

• M1: 80,932 km (0.105 R)
• M2: 512,971 km (0.037 R)
• M3: 719,416 km (0.118 R)
• M4: 1,382,733 km (0.073 R)
• M5: 2,215,544 km (0.109 R)
• M6: 3,207,378 km (0.071 R)
• M7: 5,459,724 km (0.053 R)
• M8: 8,123,164 km (0.069 R)
• M9: 8,421,014 km (0.093 R)
• M10: 9,358,693 km (0.11 R)
• M11: 14,174,398 km (0.104 R)
• M12: 17,245,942 km (0.116 R)
• M13: 27,897,011 km (0.11 R)
• M14: 40,114,819 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.5

Radius: 5.5

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.43 AU - 11.67 AU

Year: 19055 Days

Day: 22.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,894,372 km

• M1: 116,686 km (0.115 R)
• M2: 293,062 km (0.066 R)
• M3: 593,455 km (0.073 R)
• M4: 2,237,685 km (0.088 R)
• M5: 2,722,532 km (0.078 R)
• M6: 9,345,529 km (0.116 R)
• M7: 11,650,832 km (0.11 R)
• M8: 12,536,900 km (0.09 R)
• M9: 15,673,668 km (0.115 R)
• M10: 24,658,067 km (0.117 R)
• M11: 25,720,063 km (0.102 R)
• M12: 32,167,881 km (0.105 R)
• M13: 38,067,273 km (0.085 R)
• M14: 51,792,728 km (0.047 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: 511 - 16,160 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit