🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.2

Radius: 12.5

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.46 AU - 0.74 AU

Year: 315 Days

Day: 9.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,886,697 km

• M1: 155,432 km (0.119 R)
• M2: 596,596 km (0.116 R)
• M3: 1,115,402 km (0.114 R)
• M4: 1,825,692 km (0.113 R)
• M5: 2,214,348 km (0.08 R)
• M6: 2,631,427 km (0.117 R)
• M7: 3,259,289 km (0.051 R)
• M8: 3,673,376 km (0.071 R)
• M9: 4,263,390 km (0.099 R)
• M10: 4,774,715 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.7

Radius: 8.7

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.66 AU - 1 AU

Year: 513 Days

Day: 11.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,886,697 km

• M1: 108,458 km (0.11 R)
• M2: 434,133 km (0.079 R)
• M3: 730,935 km (0.118 R)
• M4: 1,905,428 km (0.108 R)
• M5: 2,456,247 km (0.115 R)
• M6: 2,764,569 km (0.03 R)
• M7: 3,077,827 km (0.068 R)
• M8: 3,849,004 km (0.081 R)
• M9: 4,280,145 km (0.096 R)
• M10: 4,631,400 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.1

Radius: 10.5

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.03 AU - 1.43 AU

Year: 925 Days

Day: 14.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,886,697 km

• M1: 133,890 km (0.099 R)
• M2: 658,231 km (0.061 R)
• M3: 1,140,983 km (0.077 R)
• M4: 1,571,077 km (0.101 R)
• M5: 2,038,421 km (0.115 R)
• M6: 2,535,834 km (0.056 R)
• M7: 2,986,422 km (0.104 R)
• M8: 3,696,414 km (0.1 R)
• M9: 4,077,739 km (0.116 R)
• M10: 4,714,726 km (0.038 R)
• M11: 5,081,840 km (0.107 R)
• M12: 5,502,658 km (0.045 R)
• M13: 6,168,219 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.9

Radius: 13.1

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.27 AU - 1.51 AU

Year: 1112 Days

Day: 8.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,886,697 km

• M1: 164,558 km (0.026 R)
• M2: 574,905 km (0.095 R)
• M3: 1,085,781 km (0.091 R)
• M4: 1,644,529 km (0.106 R)
• M5: 2,699,643 km (0.115 R)
• M6: 3,235,054 km (0.071 R)
• M7: 3,732,616 km (0.089 R)
• M8: 5,013,922 km (0.109 R)
• M9: 6,374,066 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.1

Radius: 10.2

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.27 AU - 2.89 AU

Year: 2811 Days

Day: 14.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,886,697 km

• M1: 126,859 km (0.079 R)
• M2: 774,169 km (0.113 R)
• M3: 1,761,066 km (0.117 R)
• M4: 2,724,177 km (0.046 R)
• M5: 3,816,541 km (0.096 R)
• M6: 4,871,355 km (0.084 R)
• M7: 5,455,984 km (0.113 R)
• M8: 7,466,879 km (0.112 R)
• M9: 7,960,851 km (0.065 R)
• M10: 9,961,423 km (0.086 R)

Asteroid Belt

Center: 5.25 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929

Radius: 4.7

Gravity: 42.06 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.66 AU - 9.18 AU

Year: 15117 Days

Day: 22.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,886,697 km

• M1: 64,776 km (0.082 R)
• M2: 215,421 km (0.09 R)
• M3: 426,354 km (0.093 R)
• M4: 752,477 km (0.103 R)
• M5: 1,085,333 km (0.083 R)
• M6: 1,814,921 km (0.06 R)
• M7: 2,282,864 km (0.062 R)
• M8: 3,209,024 km (0.102 R)
• M9: 4,043,331 km (0.114 R)
• M10: 4,361,975 km (0.081 R)
• M11: 4,697,224 km (0.103 R)
• M12: 5,688,160 km (0.054 R)
• M13: 7,034,092 km (0.088 R)
• M14: 7,780,884 km (0.045 R)
• M15: 8,273,660 km (0.038 R)
• M16: 13,542,347 km (0.104 R)
• M17: 17,353,054 km (0.117 R)
• M18: 17,853,459 km (0.064 R)
• M19: 18,107,326 km (0.08 R)
• M20: 24,735,260 km (0.079 R)
• M21: 26,558,559 km (0.118 R)
• M22: 27,559,069 km (0.049 R)
• M23: 36,620,960 km (0.093 R)
• M24: 38,841,890 km (0.094 R)
• M25: 42,790,526 km (0.115 R)
• M26: 53,201,192 km (0.08 R)
• M27: 57,871,787 km (0.036 R)
• M28: 64,381,987 km (0.078 R)
• M29: 65,981,637 km (0.066 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 14,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit