🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.6

Radius: 8.6

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.6 AU - 0.76 AU

Year: 387 Days

Day: 13.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,466,494 km

• M1: 108,159 km (0.079 R)
• M2: 395,686 km (0.106 R)
• M3: 818,450 km (0.097 R)
• M4: 1,189,004 km (0.108 R)
• M5: 2,107,834 km (0.099 R)
• M6: 2,601,507 km (0.07 R)
• M7: 2,968,770 km (0.099 R)
• M8: 3,358,921 km (0.045 R)
• M9: 4,163,608 km (0.118 R)
• M10: 4,739,111 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.8

Radius: 10.5

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.82 AU - 1.26 AU

Year: 732 Days

Day: 13 Hours

Environment

Temp: -180 °C

Axial Tilt: 143.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 35,466,494 km

• M1: 131,497 km (0.09 R)
• M2: 837,748 km (0.041 R)
• M3: 1,328,130 km (0.095 R)
• M4: 3,824,918 km (0.117 R)
• M5: 4,404,461 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.2

Radius: 13.8

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.46 AU - 1.74 AU

Year: 1397 Days

Day: 11.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,466,494 km

• M1: 172,038 km (0.079 R)
• M2: 722,408 km (0.085 R)
• M3: 1,167,462 km (0.115 R)
• M4: 1,608,626 km (0.05 R)
• M5: 2,104,094 km (0.099 R)
• M6: 2,678,400 km (0.111 R)
• M7: 3,496,701 km (0.038 R)
• M8: 4,682,114 km (0.096 R)
• M9: 8,061,680 km (0.092 R)
• M10: 8,499,852 km (0.099 R)
• M11: 9,008,485 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.1

Radius: 8.5

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.27 AU - 2.63 AU

Year: 2647 Days

Day: 10 Hours

Environment

Temp: -211 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,466,494 km

• M1: 105,766 km (0.113 R)
• M2: 395,686 km (0.111 R)
• M3: 677,230 km (0.11 R)
• M4: 1,506,451 km (0.088 R)
• M5: 2,081,056 km (0.054 R)
• M6: 2,653,866 km (0.088 R)
• M7: 3,263,627 km (0.089 R)
• M8: 4,130,098 km (0.108 R)
• M9: 4,516,809 km (0.095 R)
• M10: 4,906,361 km (0.114 R)
• M11: 5,296,064 km (0.105 R)
• M12: 6,538,923 km (0.074 R)
• M13: 8,597,090 km (0.104 R)
• M14: 10,799,620 km (0.108 R)
• M15: 11,348,195 km (0.037 R)
• M16: 11,648,289 km (0.111 R)
• M17: 12,781,044 km (0.091 R)
• M18: 14,374,111 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.3

Radius: 8

Gravity: 14.82 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.13 AU - 2.81 AU

Year: 2680 Days

Day: 6.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,466,494 km

• M1: 100,829 km (0.109 R)
• M2: 544,237 km (0.077 R)
• M3: 1,410,708 km (0.114 R)
• M4: 1,969,606 km (0.1 R)
• M5: 2,265,061 km (0.106 R)
• M6: 2,731,956 km (0.114 R)
• M7: 5,367,572 km (0.11 R)
• M8: 6,658,751 km (0.108 R)
• M9: 7,173,068 km (0.092 R)
• M10: 7,487,972 km (0.041 R)
• M11: 9,840,997 km (0.113 R)
• M12: 10,997,687 km (0.098 R)
• M13: 11,290,002 km (0.067 R)
• M14: 11,759,739 km (0.065 R)
• M15: 13,818,355 km (0.089 R)
• M16: 14,158,990 km (0.113 R)
• M17: 20,398,268 km (0.095 R)
• M18: 21,352,702 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.5

Radius: 13.9

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.69 AU - 4.87 AU

Year: 6112 Days

Day: 6.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,466,494 km

• M1: 176,675 km (0.108 R)
• M2: 823,237 km (0.039 R)
• M3: 1,310,477 km (0.061 R)
• M4: 1,928,466 km (0.026 R)
• M5: 3,475,159 km (0.086 R)
• M6: 4,001,145 km (0.111 R)
• M7: 5,512,682 km (0.067 R)
• M8: 6,262,017 km (0.091 R)
• M9: 7,078,522 km (0.098 R)
• M10: 8,107,606 km (0.104 R)
• M11: 8,885,665 km (0.064 R)
• M12: 11,613,133 km (0.106 R)
• M13: 12,457,912 km (0.049 R)
• M14: 18,663,830 km (0.105 R)
• M15: 19,237,688 km (0.113 R)
• M16: 20,757,752 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137.5

Radius: 7.6

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.53 AU - 8.49 AU

Year: 14206 Days

Day: 17.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,466,494 km

• M1: 116,238 km (0.08 R)
• M2: 377,435 km (0.118 R)
• M3: 627,563 km (0.074 R)
• M4: 870,959 km (0.105 R)
• M5: 1,731,147 km (0.115 R)
• M6: 2,358,261 km (0.106 R)
• M7: 2,677,951 km (0.077 R)
• M8: 3,697,012 km (0.116 R)
• M9: 4,055,449 km (0.11 R)
• M10: 4,704,255 km (0.119 R)
• M11: 5,301,150 km (0.09 R)
• M12: 6,508,255 km (0.112 R)
• M13: 8,402,912 km (0.06 R)
• M14: 11,969,026 km (0.119 R)
• M15: 14,025,100 km (0.083 R)
• M16: 16,432,429 km (0.067 R)
• M17: 20,613,539 km (0.082 R)
• M18: 21,134,589 km (0.116 R)
• M19: 29,193,576 km (0.025 R)
• M20: 29,661,817 km (0.078 R)
• M21: 35,254,683 km (0.058 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: 241 - 18,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit