🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.8

Radius: 12.4

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.48 AU - 0.66 AU

Year: 297 Days

Day: 10.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,991,772 km

• M1: 154,235 km (0.101 R)
• M2: 548,575 km (0.118 R)
• M3: 1,080,845 km (0.049 R)
• M4: 1,702,873 km (0.106 R)
• M5: 2,093,921 km (0.108 R)
• M6: 2,970,415 km (0.088 R)
• M7: 3,661,557 km (0.072 R)
• M8: 4,297,498 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.8

Radius: 9

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.74 AU - 0.78 AU

Year: 457 Days

Day: 5.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,991,772 km

• M1: 111,899 km (0.07 R)
• M2: 422,165 km (0.108 R)
• M3: 784,940 km (0.116 R)
• M4: 1,118,992 km (0.103 R)
• M5: 1,636,451 km (0.106 R)
• M6: 2,166,476 km (0.117 R)
• M7: 2,635,914 km (0.112 R)
• M8: 2,962,935 km (0.087 R)
• M9: 3,466,332 km (0.117 R)
• M10: 3,805,919 km (0.091 R)
• M11: 4,210,731 km (0.099 R)
• M12: 4,491,526 km (0.095 R)
• M13: 4,864,025 km (0.106 R)
• M14: 5,156,938 km (0.073 R)
• M15: 5,724,662 km (0.096 R)
• M16: 6,506,759 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.9

Radius: 13.1

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.48 AU - 3.03 AU

Year: 3148 Days

Day: 12.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,991,772 km

• M1: 163,660 km (0.074 R)
• M2: 780,751 km (0.119 R)
• M3: 1,510,639 km (0.102 R)
• M4: 2,072,230 km (0.089 R)
• M5: 2,638,158 km (0.083 R)
• M6: 3,462,293 km (0.081 R)
• M7: 4,701,861 km (0.09 R)
• M8: 5,231,288 km (0.114 R)
• M9: 5,823,097 km (0.073 R)
• M10: 8,951,488 km (0.108 R)
• M11: 9,416,737 km (0.105 R)
• M12: 10,128,225 km (0.102 R)
• M13: 10,840,610 km (0.095 R)
• M14: 11,953,019 km (0.062 R)
• M15: 13,259,009 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.5

Radius: 12.7

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.29 AU - 4.35 AU

Year: 5154 Days

Day: 10.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,991,772 km

• M1: 158,723 km (0.077 R)
• M2: 844,630 km (0.081 R)
• M3: 2,200,435 km (0.114 R)
• M4: 3,164,893 km (0.095 R)
• M5: 4,849,514 km (0.084 R)
• M6: 5,393,452 km (0.12 R)
• M7: 7,068,499 km (0.102 R)
• M8: 9,310,822 km (0.103 R)
• M9: 11,703,341 km (0.072 R)
• M10: 13,509,885 km (0.093 R)
• M11: 17,169,946 km (0.115 R)
• M12: 18,307,937 km (0.052 R)
• M13: 24,842,970 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.4

Radius: 5.8

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.61 AU - 7.77 AU

Year: 13308 Days

Day: 21.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,991,772 km

• M1: 73,004 km (0.094 R)
• M2: 351,854 km (0.026 R)
• M3: 1,272,479 km (0.114 R)
• M4: 1,801,158 km (0.096 R)
• M5: 2,124,589 km (0.108 R)
• M6: 3,162,798 km (0.105 R)
• M7: 7,624,555 km (0.116 R)
• M8: 8,151,289 km (0.038 R)
• M9: 10,879,954 km (0.105 R)
• M10: 19,382,798 km (0.028 R)
• M11: 22,153,649 km (0.083 R)
• M12: 22,595,262 km (0.114 R)
• M13: 26,937,490 km (0.074 R)
• M14: 31,359,902 km (0.079 R)
• M15: 31,693,057 km (0.106 R)
• M16: 33,279,542 km (0.057 R)
• M17: 33,975,322 km (0.101 R)
• M18: 34,209,443 km (0.12 R)
• M19: 37,102,965 km (0.064 R)
• M20: 38,355,398 km (0.059 R)
• M21: 42,011,420 km (0.109 R)
• M22: 44,901,202 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.2

Radius: 7.7

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.5 AU - 11.72 AU

Year: 20563 Days

Day: 16.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,991,772 km

• M1: 101,876 km (0.074 R)
• M2: 366,814 km (0.048 R)
• M3: 861,385 km (0.089 R)
• M4: 3,881,766 km (0.074 R)
• M5: 6,051,982 km (0.12 R)
• M6: 7,036,934 km (0.028 R)
• M7: 7,724,187 km (0.07 R)
• M8: 8,413,534 km (0.095 R)
• M9: 9,276,414 km (0.05 R)
• M10: 11,329,047 km (0.114 R)
• M11: 13,494,326 km (0.117 R)
• M12: 17,784,045 km (0.099 R)
• M13: 23,149,523 km (0.053 R)
• M14: 23,397,406 km (0.112 R)
• M15: 24,406,743 km (0.117 R)
• M16: 26,602,241 km (0.038 R)
• M17: 26,874,360 km (0.093 R)
• M18: 31,483,021 km (0.112 R)
• M19: 36,480,638 km (0.114 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 18,420 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit