🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.92 AU - 0.94 AU

Year: 328 Days

Day: 20 Hours

Environment

Temp: 81 °C

Axial Tilt: 38.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.62 AU - 2.04 AU

Year: 904 Days

Day: 27.8 Hours

Environment

Temp: -63 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,824,376 km

• M1: 114,143 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.19 AU - 2.25 AU

Year: 1208 Days

Day: 19.6 Hours

Environment

Temp: -83 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.19 AU - 3.19 AU

Year: 2081 Days

Day: 24.2 Hours

Environment

Temp: -97 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.5

Radius: 10.2

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.76 AU - 6.22 AU

Year: 5355 Days

Day: 9.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,824,376 km

• M1: 126,859 km (0.097 R)
• M2: 462,407 km (0.102 R)
• M3: 783,893 km (0.106 R)
• M4: 1,144,424 km (0.119 R)
• M5: 1,484,759 km (0.117 R)
• M6: 2,021,666 km (0.115 R)
• M7: 2,409,872 km (0.114 R)
• M8: 2,756,191 km (0.107 R)
• M9: 3,175,664 km (0.051 R)
• M10: 3,507,172 km (0.082 R)
• M11: 3,907,945 km (0.101 R)
• M12: 4,489,881 km (0.094 R)
• M13: 4,882,426 km (0.107 R)
• M14: 6,359,256 km (0.034 R)
• M15: 6,992,055 km (0.112 R)
• M16: 10,850,034 km (0.12 R)
• M17: 11,950,327 km (0.038 R)
• M18: 12,810,215 km (0.112 R)
• M19: 15,519,732 km (0.102 R)
• M20: 16,056,040 km (0.1 R)
• M21: 16,666,250 km (0.098 R)
• M22: 21,599,389 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.8

Radius: 13.4

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.01 AU - 10.41 AU

Year: 11051 Days

Day: 11.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,824,376 km

• M1: 167,849 km (0.075 R)
• M2: 652,546 km (0.116 R)
• M3: 1,318,256 km (0.084 R)
• M4: 2,067,592 km (0.1 R)
• M5: 2,559,021 km (0.117 R)
• M6: 3,366,401 km (0.105 R)
• M7: 4,053,354 km (0.089 R)
• M8: 6,511,995 km (0.12 R)
• M9: 10,210,952 km (0.039 R)
• M10: 11,242,579 km (0.089 R)
• M11: 11,757,645 km (0.114 R)
• M12: 12,890,699 km (0.073 R)
• M13: 16,794,605 km (0.042 R)
• M14: 18,798,917 km (0.115 R)
• M15: 19,821,718 km (0.095 R)
• M16: 20,498,499 km (0.053 R)
• M17: 22,948,463 km (0.089 R)
• M18: 24,888,149 km (0.086 R)
• M19: 25,853,504 km (0.109 R)
• M20: 26,934,947 km (0.071 R)
• M21: 29,381,321 km (0.111 R)
• M22: 30,558,806 km (0.088 R)
• M23: 34,388,212 km (0.073 R)
• M24: 35,365,834 km (0.1 R)
• M25: 38,063,682 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.5

Radius: 6.8

Gravity: 20.04 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 14.27 AU - 15.83 AU

Year: 21325 Days

Day: 16.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 87,824,376 km

• M1: 84,822 km (0.087 R)
• M2: 404,961 km (0.106 R)
• M3: 1,083,986 km (0.066 R)
• M4: 1,830,779 km (0.078 R)
• M5: 4,674,485 km (0.104 R)
• M6: 4,937,179 km (0.069 R)
• M7: 5,169,953 km (0.082 R)
• M8: 5,533,176 km (0.116 R)
• M9: 6,631,524 km (0.119 R)
• M10: 6,867,589 km (0.045 R)
• M11: 11,586,953 km (0.094 R)
• M12: 14,602,847 km (0.103 R)
• M13: 16,333,395 km (0.105 R)
• M14: 17,650,155 km (0.111 R)
• M15: 19,417,953 km (0.117 R)
• M16: 21,711,737 km (0.101 R)
• M17: 27,188,815 km (0.09 R)
• M18: 28,658,015 km (0.108 R)
• M19: 29,033,356 km (0.104 R)
• M20: 30,567,931 km (0.105 R)
• M21: 34,076,749 km (0.089 R)
• M22: 34,923,025 km (0.068 R)
• M23: 58,662,112 km (0.114 R)
• M24: 66,639,718 km (0.097 R)
• M25: 71,803,088 km (0.079 R)
• M26: 72,727,454 km (0.084 R)
• M27: 79,914,883 km (0.089 R)
• M28: 80,658,684 km (0.059 R)
• M29: 81,156,994 km (0.055 R)
• M30: 86,514,842 km (0.096 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 19,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit