🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.2

Radius: 8.5

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.7 AU - 1.06 AU

Year: 550 Days

Day: 9.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,106,504 km

• M1: 105,766 km (0.067 R)
• M2: 551,867 km (0.113 R)
• M3: 958,174 km (0.1 R)
• M4: 1,452,745 km (0.117 R)
• M5: 1,795,174 km (0.061 R)
• M6: 2,525,960 km (0.095 R)
• M7: 2,848,792 km (0.081 R)
• M8: 3,278,587 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.8

Radius: 13

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.37 AU - 1.53 AU

Year: 1164 Days

Day: 13.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,106,504 km

• M1: 161,715 km (0.116 R)
• M2: 598,092 km (0.105 R)
• M3: 1,169,257 km (0.106 R)
• M4: 1,687,015 km (0.069 R)
• M5: 2,225,119 km (0.037 R)
• M6: 3,399,312 km (0.093 R)
• M7: 3,920,063 km (0.1 R)
• M8: 4,636,936 km (0.08 R)
• M9: 5,706,112 km (0.113 R)
• M10: 6,490,902 km (0.115 R)
• M11: 7,321,619 km (0.095 R)
• M12: 10,212,299 km (0.108 R)
• M13: 11,039,724 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.1

Radius: 8

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.86 AU - 2.32 AU

Year: 2015 Days

Day: 9.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,106,504 km

• M1: 99,632 km (0.07 R)
• M2: 434,881 km (0.026 R)
• M3: 690,843 km (0.114 R)
• M4: 1,059,901 km (0.088 R)
• M5: 1,854,116 km (0.084 R)
• M6: 2,113,968 km (0.109 R)
• M7: 2,722,831 km (0.115 R)
• M8: 3,092,786 km (0.117 R)
• M9: 4,029,269 km (0.044 R)
• M10: 4,573,506 km (0.12 R)
• M11: 4,940,769 km (0.064 R)
• M12: 6,503,169 km (0.097 R)
• M13: 6,884,494 km (0.037 R)
• M14: 7,194,610 km (0.11 R)
• M15: 7,455,210 km (0.057 R)
• M16: 7,964,740 km (0.078 R)
• M17: 9,323,238 km (0.106 R)
• M18: 10,905,386 km (0.078 R)
• M19: 11,483,432 km (0.081 R)
• M20: 12,784,784 km (0.118 R)
• M21: 13,039,399 km (0.101 R)
• M22: 16,018,491 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.6

Radius: 8.4

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.77 AU - 2.59 AU

Year: 2146 Days

Day: 7.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,106,504 km

• M1: 105,616 km (0.07 R)
• M2: 500,854 km (0.104 R)
• M3: 772,523 km (0.069 R)
• M4: 1,131,409 km (0.109 R)
• M5: 1,552,377 km (0.102 R)
• M6: 2,006,706 km (0.09 R)
• M7: 2,378,307 km (0.117 R)
• M8: 2,724,776 km (0.094 R)
• M9: 3,292,051 km (0.08 R)
• M10: 3,776,000 km (0.104 R)
• M11: 4,560,341 km (0.111 R)
• M12: 5,471,692 km (0.055 R)
• M13: 8,561,187 km (0.067 R)
• M14: 9,707,107 km (0.08 R)
• M15: 10,351,574 km (0.083 R)
• M16: 14,136,999 km (0.107 R)
• M17: 14,568,738 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.8

Radius: 11.7

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.54 AU - 6.78 AU

Year: 8980 Days

Day: 10.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,106,504 km

• M1: 145,559 km (0.084 R)
• M2: 572,810 km (0.109 R)
• M3: 1,205,460 km (0.053 R)
• M4: 1,750,893 km (0.103 R)
• M5: 2,707,123 km (0.112 R)
• M6: 4,646,809 km (0.115 R)
• M7: 5,177,582 km (0.113 R)
• M8: 7,305,762 km (0.093 R)
• M9: 7,792,852 km (0.058 R)
• M10: 11,186,181 km (0.12 R)
• M11: 12,350,202 km (0.064 R)
• M12: 14,799,269 km (0.086 R)
• M13: 17,031,119 km (0.108 R)
• M14: 18,500,619 km (0.097 R)
• M15: 20,712,274 km (0.093 R)
• M16: 22,307,286 km (0.102 R)
• M17: 23,254,839 km (0.117 R)
• M18: 24,064,613 km (0.064 R)
• M19: 24,725,985 km (0.118 R)
• M20: 25,484,296 km (0.094 R)
• M21: 26,432,298 km (0.102 R)
• M22: 30,078,447 km (0.094 R)
• M23: 34,046,979 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89

Radius: 5.9

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.98 AU - 8.16 AU

Year: 13889 Days

Day: 20.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,106,504 km

• M1: 74,051 km (0.092 R)
• M2: 653,743 km (0.063 R)
• M3: 928,704 km (0.073 R)
• M4: 2,136,108 km (0.083 R)
• M5: 3,641,960 km (0.088 R)
• M6: 5,061,943 km (0.112 R)
• M7: 6,950,167 km (0.115 R)
• M8: 8,276,652 km (0.103 R)
• M9: 8,584,225 km (0.099 R)
• M10: 9,552,871 km (0.07 R)
• M11: 9,848,626 km (0.109 R)
• M12: 13,729,943 km (0.101 R)
• M13: 14,325,193 km (0.086 R)
• M14: 17,436,529 km (0.11 R)
• M15: 19,585,652 km (0.065 R)
• M16: 22,942,180 km (0.103 R)
• M17: 23,244,517 km (0.085 R)
• M18: 24,558,585 km (0.096 R)
• M19: 26,414,496 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.7

Radius: 5.8

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.82 AU - 10 AU

Year: 17736 Days

Day: 16.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,106,504 km

• M1: 81,830 km (0.114 R)
• M2: 369,956 km (0.113 R)
• M3: 593,754 km (0.12 R)
• M4: 1,104,631 km (0.117 R)
• M5: 1,406,669 km (0.076 R)
• M6: 3,082,315 km (0.117 R)
• M7: 6,311,235 km (0.08 R)
• M8: 7,396,418 km (0.08 R)
• M9: 11,777,092 km (0.119 R)
• M10: 12,751,872 km (0.09 R)
• M11: 13,903,925 km (0.038 R)
• M12: 16,413,280 km (0.081 R)
• M13: 17,120,579 km (0.105 R)
• M14: 22,392,408 km (0.115 R)
• M15: 27,356,514 km (0.086 R)
• M16: 27,949,520 km (0.119 R)
• M17: 37,782,588 km (0.118 R)
• M18: 39,138,094 km (0.086 R)
• M19: 41,038,286 km (0.118 R)
• M20: 41,555,297 km (0.098 R)
• M21: 43,935,249 km (0.115 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 12,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit