🌌 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: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.9

Radius: 9.5

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.71 AU - 0.91 AU

Year: 494 Days

Day: 5.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 150.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,920,710 km

• M1: 118,332 km (0.046 R)
• M2: 432,936 km (0.102 R)
• M3: 884,871 km (0.07 R)
• M4: 1,384,827 km (0.066 R)
• M5: 1,708,557 km (0.069 R)
• M6: 2,092,126 km (0.108 R)
• M7: 2,700,391 km (0.118 R)
• M8: 3,422,051 km (0.11 R)
• M9: 3,994,562 km (0.052 R)
• M10: 4,834,405 km (0.065 R)
• M11: 5,364,729 km (0.058 R)
• M12: 6,405,182 km (0.109 R)
• M13: 6,840,961 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.1

Radius: 13.6

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.67 AU - 1.67 AU

Year: 1464 Days

Day: 8.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,920,710 km

• M1: 170,841 km (0.08 R)
• M2: 899,382 km (0.11 R)
• M3: 3,111,187 km (0.118 R)
• M4: 4,208,786 km (0.099 R)
• M5: 5,034,567 km (0.065 R)
• M6: 5,876,504 km (0.119 R)
• M7: 6,810,443 km (0.084 R)
• M8: 7,521,332 km (0.032 R)
• M9: 8,507,781 km (0.073 R)
• M10: 9,954,990 km (0.105 R)
• M11: 11,525,469 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.1

Radius: 12.5

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.75 AU - 2.91 AU

Year: 2412 Days

Day: 14.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,920,710 km

• M1: 158,275 km (0.09 R)
• M2: 610,808 km (0.118 R)
• M3: 1,595,760 km (0.09 R)
• M4: 2,201,333 km (0.117 R)
• M5: 2,764,269 km (0.103 R)
• M6: 3,157,562 km (0.104 R)
• M7: 4,078,936 km (0.102 R)
• M8: 4,481,653 km (0.101 R)
• M9: 5,269,286 km (0.027 R)
• M10: 6,707,669 km (0.072 R)
• M11: 8,193,027 km (0.111 R)
• M12: 8,872,949 km (0.038 R)
• M13: 9,334,758 km (0.083 R)
• M14: 12,540,042 km (0.116 R)
• M15: 13,536,363 km (0.103 R)
• M16: 14,487,207 km (0.077 R)
• M17: 17,719,120 km (0.107 R)
• M18: 18,567,938 km (0.092 R)
• M19: 19,325,352 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.6

Radius: 13.4

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.33 AU - 2.65 AU

Year: 2665 Days

Day: 13.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,920,710 km

• M1: 167,998 km (0.117 R)
• M2: 752,178 km (0.101 R)
• M3: 1,251,985 km (0.091 R)
• M4: 1,701,526 km (0.087 R)
• M5: 2,389,078 km (0.075 R)
• M6: 3,025,019 km (0.116 R)
• M7: 4,305,876 km (0.12 R)
• M8: 5,273,923 km (0.115 R)
• M9: 7,640,562 km (0.1 R)
• M10: 9,027,932 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.9

Radius: 8

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.68 AU - 4.88 AU

Year: 7088 Days

Day: 5.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,920,710 km

• M1: 107,860 km (0.076 R)
• M2: 642,672 km (0.119 R)
• M3: 924,515 km (0.089 R)
• M4: 1,339,649 km (0.064 R)
• M5: 2,375,315 km (0.111 R)
• M6: 2,997,493 km (0.041 R)
• M7: 3,290,106 km (0.115 R)
• M8: 4,262,343 km (0.063 R)
• M9: 5,334,959 km (0.102 R)
• M10: 5,850,025 km (0.108 R)
• M11: 6,338,611 km (0.099 R)
• M12: 7,299,329 km (0.117 R)
• M13: 9,662,826 km (0.074 R)
• M14: 10,762,220 km (0.038 R)
• M15: 11,407,735 km (0.086 R)
• M16: 15,401,849 km (0.088 R)
• M17: 18,066,636 km (0.098 R)
• M18: 18,427,466 km (0.088 R)
• M19: 19,855,826 km (0.084 R)
• M20: 20,892,091 km (0.095 R)
• M21: 21,625,120 km (0.115 R)
• M22: 23,999,238 km (0.115 R)
• M23: 24,362,462 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523

Radius: 11

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.86 AU - 5 AU

Year: 7424 Days

Day: 6.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,920,710 km

• M1: 136,732 km (0.084 R)
• M2: 595,250 km (0.05 R)
• M3: 1,009,486 km (0.079 R)
• M4: 2,259,526 km (0.065 R)
• M5: 2,603,003 km (0.094 R)
• M6: 3,875,782 km (0.118 R)
• M7: 4,372,596 km (0.102 R)
• M8: 6,798,625 km (0.119 R)
• M9: 7,904,901 km (0.113 R)
• M10: 8,706,446 km (0.087 R)
• M11: 10,238,628 km (0.116 R)
• M12: 11,790,257 km (0.088 R)
• M13: 14,057,413 km (0.113 R)
• M14: 14,578,612 km (0.105 R)
• M15: 16,922,960 km (0.116 R)
• M16: 17,512,974 km (0.083 R)
• M17: 19,436,952 km (0.109 R)
• M18: 22,581,200 km (0.111 R)
• M19: 24,940,508 km (0.087 R)
• M20: 26,397,591 km (0.099 R)
• M21: 27,549,495 km (0.07 R)
• M22: 28,092,236 km (0.032 R)
• M23: 30,239,414 km (0.085 R)
• M24: 31,500,225 km (0.107 R)
• M25: 32,998,298 km (0.074 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 11,684 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit