🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.65 AU - 0.67 AU

Year: 352 Days

Day: 25.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,654,870 km

• M1: 296,353 km (0.088 R)

Asteroid Belt

Center: 0.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.4

Radius: 10.6

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1 AU - 1.54 AU

Year: 939 Days

Day: 9.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,654,870 km

• M1: 131,796 km (0.108 R)
• M2: 767,736 km (0.114 R)
• M3: 1,313,619 km (0.097 R)
• M4: 1,659,040 km (0.063 R)
• M5: 2,036,326 km (0.084 R)
• M6: 2,403,589 km (0.084 R)
• M7: 3,301,775 km (0.042 R)
• M8: 3,676,667 km (0.097 R)
• M9: 4,079,983 km (0.114 R)
• M10: 4,776,211 km (0.099 R)
• M11: 5,431,599 km (0.102 R)
• M12: 8,219,356 km (0.064 R)
• M13: 8,967,046 km (0.029 R)
• M14: 9,876,451 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.9

Radius: 14.8

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.78 AU - 4.04 AU

Year: 4131 Days

Day: 7.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,654,870 km

• M1: 186,698 km (0.1 R)
• M2: 769,681 km (0.053 R)
• M3: 1,304,793 km (0.08 R)
• M4: 2,909,978 km (0.069 R)
• M5: 3,485,481 km (0.116 R)
• M6: 4,698,720 km (0.102 R)
• M7: 5,830,278 km (0.093 R)
• M8: 6,539,372 km (0.056 R)
• M9: 7,564,416 km (0.074 R)
• M10: 9,863,736 km (0.082 R)
• M11: 10,541,264 km (0.108 R)
• M12: 11,211,762 km (0.052 R)
• M13: 12,149,741 km (0.044 R)
• M14: 13,697,779 km (0.064 R)
• M15: 14,406,574 km (0.111 R)
• M16: 15,093,079 km (0.11 R)
• M17: 15,849,446 km (0.033 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.8

Radius: 6.1

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 10.64 AU - 10.82 AU

Year: 23057 Days

Day: 21.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,654,870 km

• M1: 155,881 km (0.1 R)
• M2: 372,349 km (0.1 R)
• M3: 1,467,256 km (0.069 R)
• M4: 1,831,228 km (0.115 R)
• M5: 2,696,202 km (0.107 R)
• M6: 3,006,768 km (0.063 R)
• M7: 5,193,739 km (0.059 R)
• M8: 6,928,177 km (0.041 R)
• M9: 7,815,442 km (0.086 R)
• M10: 8,082,175 km (0.052 R)
• M11: 11,095,674 km (0.067 R)
• M12: 15,468,569 km (0.109 R)
• M13: 17,273,617 km (0.112 R)
• M14: 18,578,260 km (0.047 R)
• M15: 19,375,617 km (0.119 R)
• M16: 20,614,138 km (0.115 R)
• M17: 31,462,826 km (0.103 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 15,866 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit