🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.6

Radius: 9.9

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.77 AU - 0.83 AU

Year: 485 Days

Day: 11.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,697,131 km

• M1: 123,269 km (0.111 R)
• M2: 465,997 km (0.109 R)
• M3: 903,571 km (0.12 R)
• M4: 1,288,935 km (0.104 R)
• M5: 1,886,878 km (0.113 R)
• M6: 3,255,698 km (0.075 R)
• M7: 3,704,342 km (0.093 R)
• M8: 4,051,410 km (0.063 R)
• M9: 4,599,087 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.3

Radius: 12.2

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.67 AU - 1.07 AU

Year: 550 Days

Day: 13.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 19,697,131 km

• M1: 151,692 km (0.112 R)
• M2: 737,069 km (0.117 R)
• M3: 1,218,325 km (0.115 R)
• M4: 2,371,126 km (0.094 R)
• M5: 2,839,218 km (0.075 R)
• M6: 4,163,458 km (0.114 R)
• M7: 4,551,366 km (0.114 R)
• M8: 4,931,045 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.1

Radius: 13.3

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.15 AU - 1.67 AU

Year: 1136 Days

Day: 5.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 19,697,131 km

• M1: 165,455 km (0.066 R)
• M2: 597,195 km (0.066 R)
• M3: 1,257,370 km (0.082 R)
• M4: 1,757,775 km (0.114 R)
• M5: 2,360,954 km (0.084 R)
• M6: 3,365,952 km (0.118 R)
• M7: 3,901,363 km (0.116 R)
• M8: 7,327,603 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.1

Radius: 11.1

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.13 AU - 5.93 AU

Year: 8820 Days

Day: 12.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,697,131 km

• M1: 174,431 km (0.027 R)
• M2: 522,994 km (0.049 R)
• M3: 927,357 km (0.074 R)
• M4: 2,510,252 km (0.117 R)
• M5: 3,356,827 km (0.074 R)
• M6: 3,875,782 km (0.062 R)
• M7: 4,237,360 km (0.083 R)
• M8: 5,410,955 km (0.053 R)
• M9: 6,904,540 km (0.097 R)
• M10: 9,671,951 km (0.117 R)
• M11: 10,077,361 km (0.049 R)
• M12: 10,922,290 km (0.108 R)
• M13: 13,331,115 km (0.039 R)
• M14: 18,546,845 km (0.077 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: 516 - 19,558 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit