🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66

Radius: 8.1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.56 AU - 0.56 AU

Year: 284 Days

Day: 5.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 23,335,163 km

• M1: 101,876 km (0.063 R)
• M2: 361,877 km (0.052 R)
• M3: 688,599 km (0.082 R)
• M4: 971,937 km (0.114 R)
• M5: 1,562,251 km (0.11 R)
• M6: 1,983,069 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.3

Radius: 12.2

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.61 AU - 0.95 AU

Year: 467 Days

Day: 5.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 124 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 23,335,163 km

• M1: 151,692 km (0.054 R)
• M2: 558,150 km (0.073 R)
• M3: 1,101,639 km (0.076 R)
• M4: 1,566,439 km (0.064 R)
• M5: 2,601,357 km (0.073 R)
• M6: 3,393,029 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.7

Radius: 11

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.32 AU - 1.64 AU

Year: 1221 Days

Day: 8.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,335,163 km

• M1: 136,732 km (0.105 R)
• M2: 585,975 km (0.071 R)
• M3: 974,181 km (0.093 R)
• M4: 1,530,087 km (0.113 R)
• M5: 1,934,300 km (0.115 R)
• M6: 2,769,655 km (0.1 R)
• M7: 3,470,970 km (0.07 R)
• M8: 4,566,924 km (0.087 R)
• M9: 5,205,557 km (0.051 R)
• M10: 5,612,314 km (0.078 R)
• M11: 6,369,429 km (0.114 R)
• M12: 7,863,762 km (0.101 R)
• M13: 8,343,073 km (0.108 R)
• M14: 9,052,766 km (0.078 R)
• M15: 9,579,649 km (0.107 R)
• M16: 10,028,592 km (0.096 R)
• M17: 10,728,561 km (0.063 R)
• M18: 11,496,447 km (0.099 R)
• M19: 12,947,397 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.5

Radius: 10.3

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.62 AU - 1.94 AU

Year: 1611 Days

Day: 12.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 67.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,335,163 km

• M1: 128,355 km (0.067 R)
• M2: 450,290 km (0.058 R)
• M3: 803,640 km (0.082 R)
• M4: 1,720,226 km (0.093 R)
• M5: 2,156,902 km (0.101 R)
• M6: 2,492,450 km (0.071 R)
• M7: 3,097,424 km (0.117 R)
• M8: 3,435,216 km (0.086 R)
• M9: 3,996,806 km (0.116 R)
• M10: 4,416,578 km (0.116 R)
• M11: 5,181,921 km (0.054 R)
• M12: 5,790,335 km (0.089 R)
• M13: 6,214,296 km (0.096 R)
• M14: 7,664,497 km (0.06 R)
• M15: 7,985,086 km (0.079 R)
• M16: 9,149,107 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.4

Radius: 7.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.11 AU - 8.51 AU

Year: 12053 Days

Day: 17.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,335,163 km

• M1: 99,183 km (0.118 R)
• M2: 1,293,274 km (0.114 R)
• M3: 2,228,709 km (0.094 R)
• M4: 4,069,660 km (0.076 R)
• M5: 6,992,653 km (0.109 R)
• M6: 9,590,271 km (0.117 R)
• M7: 10,872,175 km (0.056 R)
• M8: 21,109,606 km (0.072 R)
• M9: 21,635,442 km (0.091 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 19,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit