🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.66 AU - 0.84 AU

Year: 241 Days

Day: 12.5 Hours

Environment

Temp: 154 °C

Axial Tilt: 24.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.1 AU - 2.4 AU

Year: 1252 Days

Day: 27.5 Hours

Environment

Temp: -75 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.54 AU - 3.52 AU

Year: 1956 Days

Day: 29 Hours

Environment

Temp: -118 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.13 AU - 4.93 AU

Year: 3576 Days

Day: 44.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 41.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,365,168 km

• M1: 444,006 km (0.11 R)

Asteroid Belt

Center: 4.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.7

Radius: 8.6

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.42 AU - 6 AU

Year: 4410 Days

Day: 5.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,365,168 km

• M1: 107,262 km (0.11 R)
• M2: 426,653 km (0.059 R)
• M3: 764,744 km (0.066 R)
• M4: 1,938,489 km (0.116 R)
• M5: 2,206,569 km (0.079 R)
• M6: 3,145,594 km (0.062 R)
• M7: 4,099,131 km (0.111 R)
• M8: 4,893,945 km (0.074 R)
• M9: 5,533,775 km (0.105 R)
• M10: 5,873,960 km (0.106 R)
• M11: 6,168,219 km (0.108 R)
• M12: 6,979,489 km (0.101 R)
• M13: 8,001,990 km (0.069 R)
• M14: 9,356,898 km (0.105 R)
• M15: 9,923,126 km (0.113 R)
• M16: 12,466,739 km (0.087 R)
• M17: 14,652,214 km (0.059 R)
• M18: 16,962,603 km (0.089 R)
• M19: 20,429,235 km (0.116 R)
• M20: 21,106,614 km (0.099 R)
• M21: 22,150,508 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.7

Radius: 11.5

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.4 AU - 5.66 AU

Year: 4823 Days

Day: 11.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,365,168 km

• M1: 143,165 km (0.112 R)
• M2: 506,987 km (0.07 R)
• M3: 1,046,437 km (0.064 R)
• M4: 1,541,756 km (0.118 R)
• M5: 1,928,317 km (0.107 R)
• M6: 2,462,381 km (0.115 R)
• M7: 3,152,326 km (0.074 R)
• M8: 5,533,176 km (0.104 R)
• M9: 6,618,509 km (0.12 R)
• M10: 7,125,197 km (0.106 R)
• M11: 7,840,724 km (0.087 R)
• M12: 8,841,982 km (0.093 R)
• M13: 10,500,873 km (0.11 R)
• M14: 10,865,293 km (0.118 R)
• M15: 12,009,717 km (0.09 R)
• M16: 15,688,478 km (0.093 R)
• M17: 18,236,579 km (0.107 R)
• M18: 19,919,256 km (0.035 R)
• M19: 24,614,983 km (0.095 R)
• M20: 28,653,228 km (0.066 R)
• M21: 29,276,902 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.9

Radius: 10

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.79 AU - 10.29 AU

Year: 10080 Days

Day: 7.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,365,168 km

• M1: 125,213 km (0.091 R)
• M2: 804,687 km (0.108 R)
• M3: 1,135,448 km (0.117 R)
• M4: 1,786,348 km (0.097 R)
• M5: 2,383,842 km (0.056 R)
• M6: 2,790,748 km (0.085 R)
• M7: 3,452,868 km (0.098 R)
• M8: 4,965,602 km (0.069 R)
• M9: 5,767,297 km (0.073 R)
• M10: 6,181,833 km (0.039 R)
• M11: 11,331,291 km (0.114 R)
• M12: 14,587,737 km (0.115 R)
• M13: 18,273,380 km (0.099 R)
• M14: 24,450,126 km (0.085 R)
• M15: 26,374,553 km (0.057 R)
• M16: 33,297,344 km (0.112 R)
• M17: 40,459,043 km (0.055 R)
• M18: 41,851,201 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.9

Radius: 14.7

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 10.31 AU - 11.91 AU

Year: 13733 Days

Day: 11.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,365,168 km

• M1: 182,809 km (0.033 R)
• M2: 691,142 km (0.027 R)
• M3: 1,193,492 km (0.115 R)
• M4: 1,776,176 km (0.082 R)
• M5: 2,440,390 km (0.092 R)
• M6: 2,911,923 km (0.078 R)
• M7: 3,377,621 km (0.111 R)
• M8: 6,165,078 km (0.063 R)
• M9: 7,201,791 km (0.079 R)
• M10: 7,782,081 km (0.106 R)
• M11: 9,899,041 km (0.111 R)
• M12: 11,682,696 km (0.066 R)
• M13: 13,498,216 km (0.081 R)
• M14: 16,465,639 km (0.119 R)
• M15: 19,994,354 km (0.074 R)
• M16: 20,602,320 km (0.112 R)
• M17: 22,582,098 km (0.105 R)
• M18: 33,345,066 km (0.104 R)
• M19: 38,117,986 km (0.082 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: 354 - 17,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit