🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.8

Radius: 12

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.47 AU - 0.77 AU

Year: 326 Days

Day: 11.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,157,817 km

• M1: 149,299 km (0.079 R)
• M2: 718,967 km (0.099 R)
• M3: 1,197,381 km (0.069 R)
• M4: 1,683,724 km (0.111 R)
• M5: 2,079,859 km (0.049 R)
• M6: 2,609,735 km (0.088 R)
• M7: 3,085,456 km (0.096 R)
• M8: 3,744,136 km (0.078 R)
• M9: 4,468,488 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.6

Radius: 9.1

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.99 AU - 1.07 AU

Year: 697 Days

Day: 14.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,157,817 km

• M1: 113,096 km (0.096 R)
• M2: 521,797 km (0.055 R)
• M3: 973,433 km (0.042 R)
• M4: 2,519,827 km (0.119 R)
• M5: 2,907,883 km (0.031 R)
• M6: 3,552,201 km (0.102 R)
• M7: 3,908,544 km (0.077 R)
• M8: 4,753,323 km (0.111 R)
• M9: 5,596,606 km (0.1 R)
• M10: 5,887,275 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682

Radius: 13.1

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.21 AU - 1.43 AU

Year: 1011 Days

Day: 13 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,157,817 km

• M1: 162,912 km (0.117 R)
• M2: 575,653 km (0.117 R)
• M3: 1,094,757 km (0.118 R)
• M4: 1,625,830 km (0.114 R)
• M5: 2,046,798 km (0.102 R)
• M6: 2,461,334 km (0.076 R)
• M7: 2,984,328 km (0.093 R)
• M8: 3,478,749 km (0.116 R)
• M9: 4,141,168 km (0.095 R)
• M10: 4,741,355 km (0.111 R)
• M11: 5,398,838 km (0.104 R)
• M12: 5,842,844 km (0.119 R)
• M13: 6,850,834 km (0.104 R)
• M14: 7,894,728 km (0.099 R)
• M15: 8,415,179 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.8

Radius: 11.8

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.82 AU - 2.3 AU

Year: 1972 Days

Day: 5.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,157,817 km

• M1: 147,354 km (0.072 R)
• M2: 537,206 km (0.118 R)
• M3: 1,137,542 km (0.098 R)
• M4: 1,517,820 km (0.071 R)
• M5: 1,954,646 km (0.117 R)
• M6: 2,595,523 km (0.109 R)
• M7: 3,783,929 km (0.092 R)
• M8: 4,229,132 km (0.09 R)
• M9: 4,820,791 km (0.044 R)
• M10: 5,285,293 km (0.107 R)
• M11: 5,653,154 km (0.052 R)
• M12: 7,176,359 km (0.078 R)
• M13: 8,342,924 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.8

Radius: 12.7

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.56 AU - 4.16 AU

Year: 4107 Days

Day: 7.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,157,817 km

• M1: 157,975 km (0.072 R)
• M2: 567,275 km (0.087 R)
• M3: 1,020,557 km (0.061 R)
• M4: 1,444,068 km (0.046 R)
• M5: 2,293,485 km (0.073 R)
• M6: 2,717,296 km (0.052 R)
• M7: 4,413,287 km (0.055 R)
• M8: 5,320,448 km (0.046 R)
• M9: 5,951,901 km (0.111 R)
• M10: 9,110,510 km (0.087 R)
• M11: 9,763,355 km (0.109 R)
• M12: 11,208,620 km (0.077 R)
• M13: 12,741,699 km (0.091 R)
• M14: 13,715,881 km (0.098 R)
• M15: 16,338,780 km (0.048 R)
• M16: 20,770,916 km (0.105 R)
• M17: 23,601,308 km (0.108 R)
• M18: 25,385,861 km (0.07 R)
• M19: 25,785,587 km (0.072 R)
• M20: 27,678,000 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.2

Radius: 7.5

Gravity: 14.83 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.7 AU - 6.98 AU

Year: 9411 Days

Day: 20.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,157,817 km

• M1: 93,648 km (0.104 R)
• M2: 637,437 km (0.117 R)
• M3: 1,080,695 km (0.112 R)
• M4: 1,365,679 km (0.11 R)
• M5: 3,233,408 km (0.042 R)
• M6: 3,524,526 km (0.067 R)
• M7: 5,187,306 km (0.082 R)
• M8: 7,648,790 km (0.092 R)
• M9: 9,469,695 km (0.091 R)
• M10: 10,017,223 km (0.093 R)
• M11: 10,744,269 km (0.034 R)
• M12: 12,955,176 km (0.073 R)
• M13: 21,125,314 km (0.106 R)
• M14: 23,646,636 km (0.112 R)
• M15: 26,458,927 km (0.117 R)
• M16: 31,083,894 km (0.115 R)
• M17: 34,217,970 km (0.084 R)
• M18: 35,268,446 km (0.117 R)
• M19: 36,581,467 km (0.064 R)
• M20: 38,174,833 km (0.091 R)
• M21: 48,717,594 km (0.103 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 11,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit