🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.5

Radius: 13.2

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.68 AU - 0.7 AU

Year: 370 Days

Day: 8.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,362,427 km

• M1: 164,408 km (0.081 R)
• M2: 600,336 km (0.041 R)
• M3: 1,578,856 km (0.068 R)
• M4: 2,274,636 km (0.094 R)
• M5: 2,849,839 km (0.083 R)
• M6: 3,335,434 km (0.105 R)
• M7: 3,914,378 km (0.118 R)
• M8: 4,405,956 km (0.063 R)
• M9: 4,864,175 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.1

Radius: 10

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.82 AU - 1.2 AU

Year: 655 Days

Day: 10 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,362,427 km

• M1: 125,513 km (0.07 R)
• M2: 447,746 km (0.111 R)
• M3: 802,144 km (0.099 R)
• M4: 1,129,015 km (0.073 R)
• M5: 1,624,034 km (0.1 R)
• M6: 2,075,970 km (0.067 R)
• M7: 2,640,702 km (0.054 R)
• M8: 3,316,734 km (0.087 R)
• M9: 3,747,127 km (0.115 R)
• M10: 4,513,218 km (0.119 R)
• M11: 4,964,854 km (0.059 R)
• M12: 5,347,675 km (0.076 R)
• M13: 5,801,854 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473

Radius: 11.8

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.22 AU - 3.08 AU

Year: 2785 Days

Day: 13.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,362,427 km

• M1: 148,850 km (0.093 R)
• M2: 728,542 km (0.119 R)
• M3: 1,201,720 km (0.092 R)
• M4: 1,972,149 km (0.108 R)
• M5: 2,482,577 km (0.086 R)
• M6: 3,000,484 km (0.067 R)
• M7: 3,396,470 km (0.104 R)
• M8: 4,480,606 km (0.092 R)
• M9: 6,615,816 km (0.119 R)
• M10: 7,557,684 km (0.084 R)
• M11: 9,884,829 km (0.058 R)
• M12: 12,194,770 km (0.12 R)
• M13: 12,569,961 km (0.116 R)
• M14: 13,038,950 km (0.082 R)
• M15: 13,431,346 km (0.108 R)
• M16: 14,516,529 km (0.091 R)
• M17: 17,855,254 km (0.06 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.3

Radius: 7.6

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.19 AU - 9.49 AU

Year: 18430 Days

Day: 18 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,362,427 km

• M1: 148,999 km (0.074 R)
• M2: 820,395 km (0.108 R)
• M3: 1,358,648 km (0.087 R)
• M4: 2,113,220 km (0.093 R)
• M5: 2,680,943 km (0.06 R)
• M6: 4,037,347 km (0.053 R)
• M7: 4,731,631 km (0.074 R)
• M8: 6,004,559 km (0.083 R)
• M9: 6,646,185 km (0.067 R)
• M10: 8,192,129 km (0.11 R)
• M11: 12,876,188 km (0.059 R)
• M12: 13,579,597 km (0.07 R)
• M13: 14,001,613 km (0.056 R)
• M14: 16,043,175 km (0.096 R)
• M15: 17,770,282 km (0.098 R)
• M16: 18,275,175 km (0.098 R)
• M17: 20,391,387 km (0.114 R)
• M18: 21,589,666 km (0.077 R)
• M19: 22,665,723 km (0.062 R)
• M20: 22,918,992 km (0.055 R)
• M21: 25,556,851 km (0.036 R)
• M22: 28,098,070 km (0.093 R)
• M23: 28,783,528 km (0.118 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: 234 - 17,420 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit