🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.1

Radius: 12.3

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.51 AU - 0.79 AU

Year: 368 Days

Day: 5.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,924,186 km

• M1: 153,039 km (0.088 R)
• M2: 539,300 km (0.087 R)
• M3: 1,113,008 km (0.083 R)
• M4: 1,558,062 km (0.105 R)
• M5: 1,999,824 km (0.078 R)
• M6: 2,720,736 km (0.11 R)
• M7: 3,109,541 km (0.061 R)
• M8: 3,632,835 km (0.115 R)
• M9: 4,768,432 km (0.049 R)
• M10: 5,516,272 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607

Radius: 13.1

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.36 AU - 1.64 AU

Year: 1291 Days

Day: 12.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,924,186 km

• M1: 162,912 km (0.113 R)
• M2: 850,913 km (0.095 R)
• M3: 1,359,545 km (0.09 R)
• M4: 2,082,253 km (0.092 R)
• M5: 2,521,023 km (0.111 R)
• M6: 3,467,529 km (0.097 R)
• M7: 4,141,467 km (0.115 R)
• M8: 4,749,882 km (0.08 R)
• M9: 5,295,166 km (0.069 R)
• M10: 6,373,168 km (0.038 R)
• M11: 7,489,468 km (0.04 R)
• M12: 7,960,402 km (0.099 R)
• M13: 8,534,708 km (0.114 R)
• M14: 9,705,311 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.1

Radius: 10.3

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.41 AU - 1.89 AU

Year: 1490 Days

Day: 8.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,924,186 km

• M1: 128,056 km (0.102 R)
• M2: 729,290 km (0.108 R)
• M3: 1,055,114 km (0.047 R)
• M4: 1,830,779 km (0.117 R)
• M5: 2,343,600 km (0.062 R)
• M6: 2,823,510 km (0.114 R)
• M7: 3,584,365 km (0.115 R)
• M8: 4,125,909 km (0.045 R)
• M9: 4,938,226 km (0.117 R)
• M10: 5,999,323 km (0.116 R)
• M11: 6,924,736 km (0.118 R)
• M12: 8,070,207 km (0.113 R)
• M13: 8,647,954 km (0.083 R)
• M14: 9,113,053 km (0.077 R)
• M15: 9,652,653 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.4

Radius: 10.9

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.69 AU - 1.75 AU

Year: 1586 Days

Day: 5.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,924,186 km

• M1: 135,685 km (0.105 R)
• M2: 563,086 km (0.059 R)
• M3: 1,021,903 km (0.049 R)
• M4: 1,415,944 km (0.057 R)
• M5: 2,420,793 km (0.074 R)
• M6: 2,790,299 km (0.089 R)
• M7: 3,258,840 km (0.091 R)
• M8: 3,965,241 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.3

Radius: 13.4

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.63 AU - 5.79 AU

Year: 7185 Days

Day: 11.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,924,186 km

• M1: 171,738 km (0.113 R)
• M2: 968,347 km (0.086 R)
• M3: 1,818,213 km (0.047 R)
• M4: 3,841,225 km (0.032 R)
• M5: 4,567,971 km (0.044 R)
• M6: 5,813,822 km (0.089 R)
• M7: 6,421,638 km (0.089 R)
• M8: 7,138,960 km (0.063 R)
• M9: 8,427,446 km (0.114 R)
• M10: 9,574,114 km (0.097 R)
• M11: 12,273,159 km (0.108 R)
• M12: 12,767,879 km (0.078 R)
• M13: 14,386,977 km (0.081 R)
• M14: 16,793,857 km (0.042 R)
• M15: 17,652,549 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.3

Radius: 4

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.89 AU - 8.61 AU

Year: 13722 Days

Day: 19.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 36,924,186 km

• M1: 49,816 km (0.11 R)
• M2: 192,383 km (0.025 R)
• M3: 736,022 km (0.086 R)
• M4: 912,397 km (0.065 R)
• M5: 1,258,118 km (0.111 R)
• M6: 1,550,881 km (0.075 R)
• M7: 2,339,561 km (0.1 R)
• M8: 2,499,332 km (0.104 R)
• M9: 2,900,404 km (0.047 R)
• M10: 3,299,231 km (0.102 R)
• M11: 4,770,526 km (0.113 R)
• M12: 6,630,178 km (0.096 R)
• M13: 7,622,909 km (0.099 R)
• M14: 8,880,578 km (0.101 R)
• M15: 9,990,595 km (0.1 R)
• M16: 12,428,591 km (0.113 R)
• M17: 17,548,578 km (0.03 R)
• M18: 18,858,756 km (0.119 R)
• M19: 20,455,564 km (0.091 R)
• M20: 23,097,313 km (0.096 R)
• M21: 24,415,569 km (0.075 R)
• M22: 25,957,624 km (0.073 R)
• M23: 26,132,803 km (0.069 R)
• M24: 26,397,143 km (0.03 R)
• M25: 26,841,748 km (0.028 R)
• M26: 27,200,932 km (0.035 R)
• M27: 27,929,025 km (0.052 R)
• M28: 28,669,834 km (0.101 R)
• M29: 31,069,683 km (0.118 R)
• M30: 33,600,131 km (0.053 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 12,622 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit