🌌 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: 146.6

Radius: 9.6

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.69 AU - 0.73 AU

Year: 406 Days

Day: 5.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,331,037 km

• M1: 119,379 km (0.114 R)
• M2: 584,030 km (0.099 R)
• M3: 1,249,292 km (0.111 R)
• M4: 1,553,125 km (0.066 R)
• M5: 1,881,044 km (0.055 R)
• M6: 2,277,628 km (0.113 R)
• M7: 2,729,712 km (0.117 R)
• M8: 3,045,364 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.6

Radius: 10.9

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.66 AU - 0.84 AU

Year: 441 Days

Day: 5.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,331,037 km

• M1: 135,685 km (0.115 R)
• M2: 489,634 km (0.109 R)
• M3: 1,187,358 km (0.089 R)
• M4: 1,740,571 km (0.082 R)
• M5: 2,278,974 km (0.043 R)
• M6: 2,801,519 km (0.046 R)
• M7: 3,230,865 km (0.102 R)
• M8: 3,778,693 km (0.074 R)
• M9: 4,672,241 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.6

Radius: 12.8

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.92 AU - 0.92 AU

Year: 599 Days

Day: 5 Hours

Environment

Temp: -178 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,331,037 km

• M1: 159,920 km (0.061 R)
• M2: 559,346 km (0.105 R)
• M3: 1,099,993 km (0.065 R)
• M4: 1,980,825 km (0.114 R)
• M5: 2,597,468 km (0.071 R)
• M6: 3,061,371 km (0.059 R)
• M7: 3,678,462 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44

Radius: 6.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 9.67 AU - 11.21 AU

Year: 22879 Days

Day: 19.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,331,037 km

• M1: 80,932 km (0.069 R)
• M2: 346,768 km (0.03 R)
• M3: 1,170,304 km (0.116 R)
• M4: 2,208,813 km (0.098 R)
• M5: 2,651,323 km (0.078 R)
• M6: 4,065,023 km (0.081 R)
• M7: 5,612,912 km (0.085 R)
• M8: 6,737,589 km (0.092 R)
• M9: 8,797,103 km (0.04 R)
• M10: 12,595,094 km (0.11 R)
• M11: 15,083,953 km (0.088 R)
• M12: 16,350,299 km (0.12 R)
• M13: 16,914,134 km (0.107 R)
• M14: 18,080,548 km (0.103 R)
• M15: 19,508,161 km (0.078 R)
• M16: 20,285,172 km (0.11 R)
• M17: 20,572,699 km (0.101 R)
• M18: 27,521,969 km (0.075 R)
• M19: 30,240,013 km (0.072 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: 449 - 10,917 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit