🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.2

Radius: 8

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.92 AU - 0.94 AU

Year: 579 Days

Day: 9.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,132,892 km

• M1: 99,483 km (0.07 R)
• M2: 416,331 km (0.109 R)
• M3: 837,150 km (0.085 R)
• M4: 1,416,991 km (0.1 R)
• M5: 2,589,240 km (0.057 R)
• M6: 3,133,327 km (0.069 R)
• M7: 3,405,745 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.3

Radius: 12.7

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.97 AU - 1.49 AU

Year: 881 Days

Day: 7.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,132,892 km

• M1: 167,400 km (0.091 R)
• M2: 715,377 km (0.063 R)
• M3: 1,271,432 km (0.041 R)
• M4: 1,909,168 km (0.055 R)
• M5: 2,876,019 km (0.066 R)
• M6: 3,641,661 km (0.105 R)
• M7: 4,219,558 km (0.065 R)
• M8: 4,776,959 km (0.081 R)
• M9: 5,175,488 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380

Radius: 8.1

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.49 AU - 1.51 AU

Year: 1186 Days

Day: 13.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,132,892 km

• M1: 100,979 km (0.102 R)
• M2: 400,473 km (0.074 R)
• M3: 716,424 km (0.115 R)
• M4: 1,385,725 km (0.104 R)
• M5: 2,112,472 km (0.047 R)
• M6: 2,613,325 km (0.087 R)
• M7: 2,892,325 km (0.075 R)
• M8: 3,327,505 km (0.101 R)
• M9: 3,597,380 km (0.112 R)
• M10: 4,547,925 km (0.109 R)
• M11: 5,063,290 km (0.08 R)
• M12: 5,325,834 km (0.094 R)
• M13: 5,597,354 km (0.114 R)
• M14: 5,959,979 km (0.095 R)
• M15: 6,822,560 km (0.048 R)
• M16: 7,741,241 km (0.117 R)
• M17: 8,607,263 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.6

Radius: 13.4

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.26 AU - 4.52 AU

Year: 4954 Days

Day: 9.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,132,892 km

• M1: 166,652 km (0.113 R)
• M2: 881,879 km (0.042 R)
• M3: 1,362,388 km (0.102 R)
• M4: 2,164,382 km (0.091 R)
• M5: 2,742,727 km (0.096 R)
• M6: 3,342,316 km (0.089 R)
• M7: 3,848,405 km (0.089 R)
• M8: 5,948,011 km (0.102 R)
• M9: 6,631,225 km (0.096 R)
• M10: 7,717,904 km (0.084 R)
• M11: 8,229,229 km (0.103 R)
• M12: 8,919,923 km (0.112 R)
• M13: 10,505,361 km (0.114 R)
• M14: 11,646,344 km (0.114 R)
• M15: 14,228,104 km (0.114 R)
• M16: 18,428,214 km (0.094 R)
• M17: 20,428,337 km (0.093 R)
• M18: 21,481,057 km (0.091 R)
• M19: 23,542,367 km (0.102 R)
• M20: 24,464,937 km (0.107 R)
• M21: 25,252,121 km (0.041 R)
• M22: 26,218,822 km (0.088 R)
• M23: 27,126,582 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.5

Radius: 6.5

Gravity: 16.25 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.95 AU - 9.11 AU

Year: 13342 Days

Day: 19.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,132,892 km

• M1: 112,797 km (0.074 R)
• M2: 323,131 km (0.116 R)
• M3: 1,511,387 km (0.025 R)
• M4: 2,612,727 km (0.073 R)
• M5: 3,685,792 km (0.063 R)
• M6: 5,694,593 km (0.11 R)
• M7: 6,952,561 km (0.085 R)
• M8: 7,424,842 km (0.114 R)
• M9: 9,529,983 km (0.033 R)
• M10: 9,845,036 km (0.108 R)
• M11: 11,702,892 km (0.094 R)
• M12: 13,128,410 km (0.08 R)
• M13: 16,097,030 km (0.068 R)
• M14: 16,468,930 km (0.09 R)
• M15: 18,013,977 km (0.118 R)
• M16: 18,253,783 km (0.067 R)
• M17: 18,576,914 km (0.073 R)
• M18: 21,568,572 km (0.057 R)
• M19: 23,509,754 km (0.109 R)
• M20: 24,181,748 km (0.087 R)
• M21: 26,583,542 km (0.077 R)
• M22: 29,249,675 km (0.045 R)
• M23: 33,635,436 km (0.11 R)
• M24: 35,606,388 km (0.049 R)
• M25: 36,364,849 km (0.116 R)
• M26: 45,877,478 km (0.054 R)
• M27: 50,484,644 km (0.094 R)
• M28: 54,886,412 km (0.104 R)
• M29: 55,898,142 km (0.081 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: 350 - 13,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit