🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.7

Radius: 13.1

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.67 AU - 0.75 AU

Year: 399 Days

Day: 8.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,603,396 km

• M1: 163,062 km (0.037 R)
• M2: 658,530 km (0.114 R)
• M3: 1,182,571 km (0.036 R)
• M4: 1,685,968 km (0.108 R)
• M5: 2,278,076 km (0.118 R)
• M6: 3,028,609 km (0.088 R)
• M7: 3,654,227 km (0.119 R)
• M8: 4,898,732 km (0.072 R)
• M9: 6,170,613 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.2

Radius: 9.8

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.86 AU - 1.1 AU

Year: 647 Days

Day: 5.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,603,396 km

• M1: 121,922 km (0.095 R)
• M2: 464,352 km (0.115 R)
• M3: 1,042,398 km (0.091 R)
• M4: 1,411,157 km (0.098 R)
• M5: 2,217,788 km (0.107 R)
• M6: 2,536,432 km (0.082 R)
• M7: 3,436,861 km (0.111 R)
• M8: 3,924,401 km (0.119 R)
• M9: 4,331,457 km (0.106 R)
• M10: 6,071,280 km (0.116 R)
• M11: 6,452,156 km (0.102 R)
• M12: 7,195,807 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.7

Radius: 9.6

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.78 AU - 1.2 AU

Year: 657 Days

Day: 9.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,603,396 km

• M1: 119,379 km (0.044 R)
• M2: 505,192 km (0.05 R)
• M3: 900,430 km (0.118 R)
• M4: 1,338,901 km (0.119 R)
• M5: 1,692,251 km (0.096 R)
• M6: 2,081,056 km (0.048 R)
• M7: 2,428,721 km (0.067 R)
• M8: 2,848,343 km (0.085 R)
• M9: 3,340,520 km (0.089 R)
• M10: 3,930,086 km (0.067 R)
• M11: 5,350,517 km (0.06 R)
• M12: 6,620,903 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.3

Radius: 10.5

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.91 AU - 2.21 AU

Year: 1972 Days

Day: 6.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 14,603,396 km

• M1: 133,142 km (0.116 R)
• M2: 513,569 km (0.065 R)
• M3: 930,948 km (0.106 R)
• M4: 1,330,075 km (0.114 R)
• M5: 1,691,503 km (0.113 R)
• M6: 2,130,573 km (0.06 R)
• M7: 2,538,526 km (0.052 R)
• M8: 3,013,200 km (0.115 R)
• M9: 3,399,462 km (0.116 R)
• M10: 3,749,521 km (0.031 R)
• M11: 4,522,493 km (0.117 R)
• M12: 5,354,407 km (0.096 R)
• M13: 5,924,225 km (0.11 R)
• M14: 6,260,820 km (0.1 R)
• M15: 7,293,345 km (0.107 R)
• M16: 10,060,756 km (0.051 R)
• M17: 10,965,075 km (0.072 R)
• M18: 11,734,307 km (0.1 R)
• M19: 13,339,493 km (0.102 R)
• M20: 13,835,858 km (0.075 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 14,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit