🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.1

Radius: 8.9

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.91 AU - 0.93 AU

Year: 570 Days

Day: 13.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,054,442 km

• M1: 110,702 km (0.089 R)
• M2: 392,545 km (0.114 R)
• M3: 674,986 km (0.077 R)
• M4: 1,084,884 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.6

Radius: 12.3

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.84 AU - 1.22 AU

Year: 675 Days

Day: 10.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,054,442 km

• M1: 153,039 km (0.083 R)
• M2: 746,942 km (0.032 R)
• M3: 1,504,207 km (0.082 R)
• M4: 2,203,427 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.8

Radius: 10.8

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.46 AU - 2 AU

Year: 1469 Days

Day: 9.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,054,442 km

• M1: 134,937 km (0.097 R)
• M2: 487,390 km (0.1 R)
• M3: 1,384,827 km (0.118 R)
• M4: 1,826,889 km (0.107 R)
• M5: 4,117,532 km (0.114 R)
• M6: 4,601,481 km (0.082 R)
• M7: 5,223,958 km (0.098 R)
• M8: 5,705,364 km (0.057 R)
• M9: 7,381,009 km (0.052 R)
• M10: 8,124,660 km (0.096 R)
• M11: 8,628,506 km (0.061 R)
• M12: 9,575,909 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.6

Radius: 13.6

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.65 AU - 1.83 AU

Year: 1482 Days

Day: 14.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,054,442 km

• M1: 169,195 km (0.08 R)
• M2: 648,806 km (0.071 R)
• M3: 1,079,049 km (0.096 R)
• M4: 1,627,625 km (0.115 R)
• M5: 3,509,117 km (0.064 R)
• M6: 4,588,017 km (0.033 R)
• M7: 5,373,107 km (0.03 R)
• M8: 5,809,633 km (0.063 R)
• M9: 7,264,173 km (0.029 R)
• M10: 10,143,633 km (0.09 R)
• M11: 12,242,192 km (0.081 R)
• M12: 13,079,791 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.9

Radius: 10.5

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.01 AU - 3.65 AU

Year: 3924 Days

Day: 9.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,054,442 km

• M1: 130,898 km (0.118 R)
• M2: 564,882 km (0.072 R)
• M3: 1,118,394 km (0.064 R)
• M4: 2,354,670 km (0.108 R)
• M5: 3,031,152 km (0.12 R)
• M6: 3,425,342 km (0.106 R)
• M7: 4,026,127 km (0.099 R)
• M8: 5,574,017 km (0.075 R)
• M9: 6,836,922 km (0.073 R)
• M10: 15,185,381 km (0.084 R)
• M11: 16,516,353 km (0.119 R)
• M12: 16,918,771 km (0.092 R)
• M13: 18,656,201 km (0.084 R)
• M14: 19,600,163 km (0.102 R)
• M15: 24,430,529 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.9

Radius: 3.1

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8.49 AU - 11.59 AU

Year: 20541 Days

Day: 17.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,054,442 km

• M1: 66,721 km (0.056 R)
• M2: 184,005 km (0.075 R)
• M3: 693,237 km (0.112 R)
• M4: 928,105 km (0.025 R)
• M5: 1,875,209 km (0.114 R)
• M6: 3,083,960 km (0.077 R)
• M7: 5,213,635 km (0.089 R)
• M8: 5,498,021 km (0.109 R)
• M9: 5,927,217 km (0.088 R)
• M10: 7,665,245 km (0.055 R)
• M11: 13,698,079 km (0.085 R)
• M12: 14,056,964 km (0.091 R)
• M13: 14,177,989 km (0.034 R)
• M14: 14,422,132 km (0.117 R)
• M15: 15,044,759 km (0.105 R)
• M16: 16,951,234 km (0.036 R)
• M17: 24,227,674 km (0.068 R)
• M18: 26,833,370 km (0.04 R)
• M19: 28,155,516 km (0.1 R)
• M20: 28,347,899 km (0.108 R)
• M21: 33,017,746 km (0.098 R)
• M22: 34,976,431 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.3

Radius: 5.4

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 9.88 AU - 12.24 AU

Year: 23749 Days

Day: 20.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,054,442 km

• M1: 67,169 km (0.092 R)
• M2: 339,737 km (0.092 R)
• M3: 577,897 km (0.061 R)
• M4: 749,635 km (0.081 R)
• M5: 2,322,507 km (0.067 R)
• M6: 2,640,402 km (0.084 R)
• M7: 3,797,093 km (0.065 R)
• M8: 4,296,301 km (0.118 R)
• M9: 4,996,419 km (0.106 R)
• M10: 5,323,590 km (0.057 R)
• M11: 6,894,966 km (0.115 R)
• M12: 8,026,075 km (0.03 R)
• M13: 9,769,938 km (0.115 R)
• M14: 10,490,850 km (0.104 R)
• M15: 12,805,877 km (0.113 R)
• M16: 14,373,064 km (0.081 R)
• M17: 16,204,441 km (0.055 R)
• M18: 17,882,630 km (0.092 R)
• M19: 19,274,339 km (0.114 R)
• M20: 21,923,867 km (0.108 R)
• M21: 22,358,599 km (0.054 R)
• M22: 28,960,353 km (0.116 R)
• M23: 40,145,187 km (0.081 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 17,773 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit