🌌 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: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.2

Radius: 9.7

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.63 AU - 1.01 AU

Year: 513 Days

Day: 8.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,194,532 km

• M1: 122,072 km (0.116 R)
• M2: 426,354 km (0.029 R)
• M3: 734,675 km (0.1 R)
• M4: 1,079,648 km (0.025 R)
• M5: 1,438,982 km (0.042 R)
• M6: 1,786,199 km (0.097 R)
• M7: 2,245,913 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.3

Radius: 10.1

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.34 AU - 2.1 AU

Year: 1557 Days

Day: 13.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,194,532 km

• M1: 127,757 km (0.116 R)
• M2: 448,345 km (0.095 R)
• M3: 799,900 km (0.026 R)
• M4: 1,392,307 km (0.093 R)
• M5: 2,564,108 km (0.069 R)
• M6: 2,926,733 km (0.106 R)
• M7: 4,189,937 km (0.074 R)
• M8: 5,585,386 km (0.116 R)
• M9: 5,943,823 km (0.108 R)
• M10: 6,707,071 km (0.062 R)
• M11: 7,588,053 km (0.118 R)
• M12: 8,456,917 km (0.119 R)
• M13: 9,204,907 km (0.048 R)
• M14: 9,547,635 km (0.106 R)
• M15: 11,678,059 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.8

Radius: 9.8

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.64 AU - 1.86 AU

Year: 1598 Days

Day: 10 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,194,532 km

• M1: 121,922 km (0.076 R)
• M2: 507,436 km (0.058 R)
• M3: 1,110,016 km (0.111 R)
• M4: 1,475,334 km (0.096 R)
• M5: 2,085,394 km (0.087 R)
• M6: 2,677,203 km (0.082 R)
• M7: 3,071,843 km (0.035 R)
• M8: 3,521,384 km (0.049 R)
• M9: 3,873,837 km (0.118 R)
• M10: 4,250,076 km (0.044 R)
• M11: 4,650,549 km (0.108 R)
• M12: 5,683,821 km (0.081 R)
• M13: 6,837,819 km (0.093 R)
• M14: 7,689,779 km (0.065 R)
• M15: 8,112,693 km (0.1 R)
• M16: 8,521,394 km (0.072 R)
• M17: 8,882,673 km (0.093 R)
• M18: 11,927,139 km (0.09 R)
• M19: 12,648,949 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.9

Radius: 7.8

Gravity: 12.93 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.69 AU - 10.35 AU

Year: 18699 Days

Day: 18.7 Hours

Environment

Temp: -244 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,194,532 km

• M1: 113,395 km (0.054 R)
• M2: 464,352 km (0.059 R)
• M3: 752,627 km (0.081 R)
• M4: 1,229,844 km (0.104 R)
• M5: 1,749,697 km (0.118 R)
• M6: 2,408,227 km (0.097 R)
• M7: 2,685,282 km (0.098 R)
• M8: 6,274,883 km (0.068 R)
• M9: 9,955,738 km (0.067 R)
• M10: 11,171,670 km (0.107 R)
• M11: 12,415,576 km (0.06 R)
• M12: 12,896,384 km (0.087 R)
• M13: 14,715,344 km (0.113 R)
• M14: 16,781,889 km (0.081 R)
• M15: 22,374,905 km (0.068 R)
• M16: 30,312,717 km (0.101 R)
• M17: 36,487,669 km (0.119 R)
• M18: 38,045,132 km (0.088 R)
• M19: 43,766,054 km (0.118 R)
• M20: 53,562,770 km (0.115 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: 200 - 12,640 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit