🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.6

Radius: 12.7

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.62 AU - 1.02 AU

Year: 513 Days

Day: 8.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,235,967 km

• M1: 157,975 km (0.079 R)
• M2: 575,802 km (0.099 R)
• M3: 1,230,293 km (0.119 R)
• M4: 2,361,253 km (0.055 R)
• M5: 2,783,568 km (0.075 R)
• M6: 3,211,417 km (0.049 R)
• M7: 4,366,612 km (0.084 R)
• M8: 5,353,809 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.5

Radius: 10.4

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.99 AU - 1.55 AU

Year: 988 Days

Day: 10.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,235,967 km

• M1: 129,402 km (0.056 R)
• M2: 482,304 km (0.11 R)
• M3: 1,367,325 km (0.031 R)
• M4: 2,070,883 km (0.041 R)
• M5: 2,758,884 km (0.115 R)
• M6: 3,293,696 km (0.112 R)
• M7: 4,025,529 km (0.117 R)
• M8: 5,699,679 km (0.087 R)
• M9: 6,388,876 km (0.116 R)
• M10: 7,327,453 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.9

Radius: 10.4

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.81 AU - 2.17 AU

Year: 1938 Days

Day: 14.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 150 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,235,967 km

• M1: 129,402 km (0.063 R)
• M2: 487,091 km (0.111 R)
• M3: 1,021,604 km (0.078 R)
• M4: 1,395,599 km (0.104 R)
• M5: 1,809,536 km (0.105 R)
• M6: 2,379,504 km (0.099 R)
• M7: 2,776,536 km (0.083 R)
• M8: 3,140,957 km (0.054 R)
• M9: 3,637,472 km (0.069 R)
• M10: 4,298,246 km (0.113 R)
• M11: 5,952,200 km (0.111 R)
• M12: 7,106,946 km (0.056 R)
• M13: 7,458,950 km (0.025 R)
• M14: 7,908,192 km (0.036 R)
• M15: 11,173,315 km (0.082 R)
• M16: 12,410,490 km (0.032 R)
• M17: 13,002,149 km (0.087 R)
• M18: 13,406,812 km (0.106 R)
• M19: 14,455,792 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.8

Radius: 13.8

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.35 AU - 3.55 AU

Year: 3497 Days

Day: 12.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,235,967 km

• M1: 171,738 km (0.115 R)
• M2: 640,728 km (0.085 R)
• M3: 1,369,269 km (0.107 R)
• M4: 1,918,742 km (0.037 R)
• M5: 3,795,148 km (0.074 R)
• M6: 4,233,321 km (0.055 R)
• M7: 4,769,629 km (0.074 R)
• M8: 6,208,760 km (0.088 R)
• M9: 7,620,366 km (0.09 R)
• M10: 9,135,493 km (0.079 R)
• M11: 10,035,773 km (0.11 R)
• M12: 10,730,506 km (0.096 R)
• M13: 11,574,836 km (0.085 R)
• M14: 12,504,437 km (0.032 R)
• M15: 14,789,545 km (0.101 R)

Asteroid Belt

Center: 3.32 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917

Radius: 14.7

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.05 AU - 4.31 AU

Year: 4873 Days

Day: 5.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,235,967 km

• M1: 184,305 km (0.029 R)
• M2: 649,554 km (0.054 R)
• M3: 1,394,851 km (0.034 R)
• M4: 2,112,472 km (0.115 R)
• M5: 3,186,734 km (0.061 R)
• M6: 4,200,409 km (0.06 R)
• M7: 5,248,342 km (0.064 R)
• M8: 6,018,921 km (0.112 R)
• M9: 6,562,709 km (0.076 R)
• M10: 7,139,259 km (0.118 R)
• M11: 7,749,469 km (0.055 R)
• M12: 8,394,535 km (0.107 R)
• M13: 9,240,511 km (0.028 R)
• M14: 9,706,059 km (0.105 R)
• M15: 10,592,726 km (0.09 R)
• M16: 11,340,566 km (0.085 R)
• M17: 13,046,580 km (0.037 R)
• M18: 14,632,317 km (0.078 R)
• M19: 16,404,603 km (0.089 R)
• M20: 18,715,741 km (0.102 R)
• M21: 19,879,463 km (0.116 R)
• M22: 24,615,582 km (0.081 R)
• M23: 28,694,068 km (0.059 R)
• M24: 30,519,312 km (0.071 R)
• M25: 32,712,566 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.8

Radius: 4.1

Gravity: 36.28 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.74 AU - 8.56 AU

Year: 16060 Days

Day: 15.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,235,967 km

• M1: 60,438 km (0.08 R)
• M2: 189,840 km (0.086 R)
• M3: 470,784 km (0.117 R)
• M4: 980,165 km (0.118 R)
• M5: 1,826,141 km (0.088 R)
• M6: 7,038,729 km (0.054 R)
• M7: 10,279,318 km (0.111 R)
• M8: 11,507,816 km (0.098 R)
• M9: 13,835,858 km (0.117 R)
• M10: 24,229,170 km (0.078 R)
• M11: 31,918,800 km (0.101 R)
• M12: 32,401,702 km (0.054 R)
• M13: 40,945,236 km (0.101 R)
• M14: 47,508,544 km (0.1 R)
• M15: 53,204,184 km (0.072 R)
• M16: 56,831,034 km (0.062 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 14,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit