🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116

Radius: 14.2

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.59 AU - 0.77 AU

Year: 374 Days

Day: 6.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 23,842,723 km

• M1: 177,573 km (0.054 R)
• M2: 695,780 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41

Radius: 14.7

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.77 AU - 0.85 AU

Year: 486 Days

Day: 11.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 23,842,723 km

• M1: 182,809 km (0.087 R)
• M2: 778,358 km (0.051 R)
• M3: 1,670,559 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.9

Radius: 14.7

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.7 AU - 2.14 AU

Year: 1774 Days

Day: 8 Hours

Environment

Temp: -198 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,842,723 km

• M1: 195,973 km (0.105 R)
• M2: 933,192 km (0.116 R)
• M3: 1,524,701 km (0.116 R)
• M4: 2,815,582 km (0.08 R)
• M5: 3,349,945 km (0.12 R)
• M6: 3,817,289 km (0.108 R)
• M7: 4,475,669 km (0.111 R)
• M8: 5,800,957 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.8

Radius: 11.6

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.14 AU - 2.14 AU

Year: 2088 Days

Day: 10.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,842,723 km

• M1: 144,661 km (0.115 R)
• M2: 559,795 km (0.08 R)
• M3: 1,093,860 km (0.067 R)
• M4: 1,601,445 km (0.058 R)
• M5: 2,882,003 km (0.097 R)
• M6: 3,504,031 km (0.054 R)
• M7: 3,998,901 km (0.084 R)
• M8: 4,498,558 km (0.081 R)
• M9: 4,905,913 km (0.119 R)
• M10: 5,551,128 km (0.086 R)
• M11: 6,097,310 km (0.072 R)
• M12: 8,713,926 km (0.08 R)
• M13: 9,837,855 km (0.106 R)
• M14: 12,538,246 km (0.109 R)
• M15: 13,392,749 km (0.082 R)
• M16: 14,149,116 km (0.091 R)
• M17: 15,893,876 km (0.067 R)
• M18: 16,945,848 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.2

Radius: 12.6

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.67 AU - 4.47 AU

Year: 5475 Days

Day: 12.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 23,842,723 km

• M1: 156,928 km (0.087 R)
• M2: 687,851 km (0.077 R)
• M3: 1,146,368 km (0.094 R)
• M4: 1,777,223 km (0.069 R)
• M5: 2,358,560 km (0.071 R)
• M6: 2,776,237 km (0.115 R)
• M7: 3,467,978 km (0.063 R)
• M8: 3,990,972 km (0.076 R)
• M9: 4,826,027 km (0.095 R)
• M10: 5,298,457 km (0.078 R)
• M11: 6,250,199 km (0.092 R)
• M12: 7,538,835 km (0.114 R)
• M13: 8,177,020 km (0.096 R)
• M14: 10,309,986 km (0.076 R)
• M15: 10,719,286 km (0.117 R)
• M16: 11,614,479 km (0.115 R)
• M17: 12,013,158 km (0.094 R)
• M18: 14,909,223 km (0.115 R)
• M19: 15,646,740 km (0.096 R)
• M20: 16,243,038 km (0.095 R)
• M21: 16,854,594 km (0.088 R)
• M22: 19,767,264 km (0.108 R)
• M23: 22,586,586 km (0.103 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: 175 - 20,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit