🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.7

Radius: 12.4

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.48 AU - 0.76 AU

Year: 326 Days

Day: 6.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 18,952,608 km

• M1: 154,235 km (0.112 R)
• M2: 597,045 km (0.096 R)
• M3: 984,653 km (0.085 R)
• M4: 1,758,972 km (0.106 R)
• M5: 2,670,172 km (0.12 R)
• M6: 3,087,700 km (0.097 R)
• M7: 3,537,690 km (0.105 R)
• M8: 4,720,411 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.1

Radius: 11.2

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.82 AU - 1.26 AU

Year: 707 Days

Day: 11.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,952,608 km

• M1: 139,276 km (0.089 R)
• M2: 539,450 km (0.11 R)
• M3: 1,010,534 km (0.099 R)
• M4: 1,408,614 km (0.084 R)
• M5: 1,976,487 km (0.097 R)
• M6: 2,869,586 km (0.099 R)
• M7: 3,476,655 km (0.078 R)
• M8: 4,059,338 km (0.12 R)
• M9: 4,983,404 km (0.113 R)
• M10: 6,820,616 km (0.091 R)
• M11: 7,976,858 km (0.12 R)
• M12: 8,550,715 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.5

Radius: 8.6

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.82 AU - 1.34 AU

Year: 748 Days

Day: 10.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 18,952,608 km

• M1: 106,962 km (0.088 R)
• M2: 377,435 km (0.097 R)
• M3: 1,509,443 km (0.118 R)
• M4: 2,318,019 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.7

Radius: 11.1

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.22 AU - 1.78 AU

Year: 1225 Days

Day: 14.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 18,952,608 km

• M1: 138,079 km (0.118 R)
• M2: 623,823 km (0.057 R)
• M3: 987,795 km (0.098 R)
• M4: 1,334,413 km (0.088 R)
• M5: 1,773,333 km (0.12 R)
• M6: 2,203,427 km (0.054 R)
• M7: 2,632,175 km (0.113 R)
• M8: 3,156,066 km (0.096 R)
• M9: 3,529,014 km (0.108 R)
• M10: 4,687,948 km (0.093 R)
• M11: 5,101,287 km (0.053 R)
• M12: 5,539,011 km (0.106 R)
• M13: 5,960,428 km (0.076 R)
• M14: 6,360,153 km (0.104 R)
• M15: 6,822,710 km (0.025 R)
• M16: 7,307,706 km (0.107 R)
• M17: 7,865,258 km (0.115 R)
• M18: 8,372,843 km (0.105 R)
• M19: 9,538,659 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.1

Radius: 12.1

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.43 AU - 1.71 AU

Year: 1312 Days

Day: 7 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,952,608 km

• M1: 151,543 km (0.064 R)
• M2: 588,368 km (0.091 R)
• M3: 1,278,912 km (0.052 R)
• M4: 1,675,945 km (0.111 R)
• M5: 2,135,659 km (0.084 R)
• M6: 2,741,381 km (0.08 R)
• M7: 3,147,090 km (0.036 R)
• M8: 4,048,268 km (0.106 R)
• M9: 4,758,110 km (0.038 R)
• M10: 5,230,390 km (0.114 R)
• M11: 6,933,113 km (0.104 R)
• M12: 9,092,708 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.6

Radius: 8.6

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.22 AU - 1.98 AU

Year: 1350 Days

Day: 8.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 18,952,608 km

• M1: 106,962 km (0.105 R)
• M2: 411,993 km (0.113 R)
• M3: 881,580 km (0.116 R)
• M4: 1,282,652 km (0.072 R)
• M5: 1,577,510 km (0.119 R)
• M6: 2,319,515 km (0.106 R)
• M7: 2,600,011 km (0.109 R)
• M8: 3,292,200 km (0.097 R)
• M9: 3,631,488 km (0.115 R)
• M10: 3,905,552 km (0.115 R)
• M11: 4,534,311 km (0.058 R)
• M12: 5,143,773 km (0.077 R)
• M13: 5,737,826 km (0.037 R)
• M14: 6,932,216 km (0.081 R)
• M15: 7,768,617 km (0.074 R)
• M16: 8,853,352 km (0.063 R)
• M17: 9,512,181 km (0.1 R)
• M18: 10,169,663 km (0.115 R)
• M19: 11,284,167 km (0.06 R)
• M20: 11,833,790 km (0.107 R)
• M21: 12,789,272 km (0.03 R)
• M22: 13,713,038 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.5

Radius: 9.4

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.04 AU - 2.74 AU

Year: 2464 Days

Day: 12.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 18,952,608 km

• M1: 118,332 km (0.116 R)
• M2: 411,245 km (0.074 R)
• M3: 757,564 km (0.034 R)
• M4: 1,158,636 km (0.095 R)
• M5: 1,522,458 km (0.104 R)
• M6: 2,122,794 km (0.091 R)
• M7: 2,858,067 km (0.068 R)
• M8: 3,354,433 km (0.08 R)
• M9: 3,773,008 km (0.066 R)
• M10: 4,671,493 km (0.086 R)
• M11: 6,973,056 km (0.106 R)
• M12: 7,595,981 km (0.085 R)
• M13: 8,191,082 km (0.103 R)
• M14: 8,716,021 km (0.061 R)
• M15: 9,158,980 km (0.118 R)
• M16: 10,238,628 km (0.079 R)
• M17: 10,886,985 km (0.085 R)
• M18: 11,562,270 km (0.097 R)
• M19: 11,972,467 km (0.1 R)
• M20: 12,996,764 km (0.08 R)
• M21: 14,831,881 km (0.091 R)
• M22: 15,761,482 km (0.036 R)
• M23: 18,393,208 km (0.074 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 13,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit