🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.3

Radius: 8.3

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.79 AU - 0.95 AU

Year: 560 Days

Day: 6.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 7,597,087 km

• M1: 103,821 km (0.086 R)
• M2: 436,227 km (0.095 R)
• M3: 888,761 km (0.102 R)
• M4: 1,590,674 km (0.099 R)
• M5: 1,972,298 km (0.101 R)
• M6: 2,519,976 km (0.101 R)
• M7: 2,994,501 km (0.032 R)
• M8: 3,293,098 km (0.114 R)
• M9: 3,675,470 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.8

Radius: 13.6

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.75 AU - 1.11 AU

Year: 619 Days

Day: 13.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 7,597,087 km

• M1: 170,542 km (0.064 R)
• M2: 611,107 km (0.1 R)
• M3: 1,400,984 km (0.093 R)
• M4: 1,897,948 km (0.094 R)
• M5: 2,663,889 km (0.112 R)
• M6: 3,096,826 km (0.079 R)
• M7: 4,290,916 km (0.098 R)
• M8: 6,113,018 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.1

Radius: 14.5

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.31 AU - 1.87 AU

Year: 1384 Days

Day: 12.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 149.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 7,597,087 km

• M1: 180,415 km (0.098 R)
• M2: 675,285 km (0.107 R)
• M3: 1,137,093 km (0.117 R)
• M4: 1,625,530 km (0.113 R)
• M5: 2,279,124 km (0.081 R)
• M6: 3,159,956 km (0.066 R)
• M7: 3,925,299 km (0.033 R)
• M8: 4,943,312 km (0.103 R)
• M9: 5,764,455 km (0.098 R)
• M10: 6,815,978 km (0.109 R)
• M11: 7,325,509 km (0.093 R)
• M12: 9,357,646 km (0.088 R)
• M13: 9,957,833 km (0.053 R)
• M14: 11,269,208 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525

Radius: 8

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.85 AU - 2.49 AU

Year: 2206 Days

Day: 9.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 7,597,087 km

• M1: 99,483 km (0.072 R)
• M2: 363,373 km (0.092 R)
• M3: 781,948 km (0.073 R)
• M4: 1,141,282 km (0.095 R)
• M5: 1,669,213 km (0.076 R)
• M6: 1,926,671 km (0.053 R)
• M7: 2,496,190 km (0.07 R)
• M8: 3,503,433 km (0.082 R)
• M9: 4,041,985 km (0.093 R)
• M10: 6,734,597 km (0.09 R)
• M11: 7,031,998 km (0.108 R)
• M12: 7,509,065 km (0.117 R)
• M13: 9,840,548 km (0.106 R)
• M14: 10,873,222 km (0.117 R)
• M15: 11,434,962 km (0.101 R)
• M16: 13,320,643 km (0.117 R)
• M17: 14,582,352 km (0.075 R)
• M18: 14,944,079 km (0.119 R)
• M19: 15,779,733 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.7

Radius: 11.7

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.29 AU - 3.65 AU

Year: 4462 Days

Day: 7.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 7,597,087 km

• M1: 145,858 km (0.068 R)
• M2: 601,234 km (0.115 R)
• M3: 1,312,422 km (0.087 R)
• M4: 3,251,510 km (0.038 R)
• M5: 4,951,540 km (0.097 R)
• M6: 6,414,009 km (0.054 R)
• M7: 7,353,932 km (0.1 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: 198 - 11,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit