🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.7

Radius: 9.7

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.68 AU - 1.1 AU

Year: 560 Days

Day: 5.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,751,629 km

• M1: 120,875 km (0.117 R)
• M2: 535,710 km (0.087 R)
• M3: 1,152,652 km (0.092 R)
• M4: 1,473,838 km (0.089 R)
• M5: 1,816,268 km (0.054 R)
• M6: 2,388,031 km (0.087 R)
• M7: 3,225,629 km (0.066 R)
• M8: 3,757,899 km (0.074 R)
• M9: 4,135,184 km (0.087 R)
• M10: 5,940,980 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.4

Radius: 10.9

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.75 AU - 1.19 AU

Year: 637 Days

Day: 9.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,751,629 km

• M1: 137,181 km (0.084 R)
• M2: 559,945 km (0.111 R)
• M3: 985,102 km (0.105 R)
• M4: 1,605,185 km (0.089 R)
• M5: 2,681,542 km (0.105 R)
• M6: 3,032,349 km (0.118 R)
• M7: 3,504,629 km (0.08 R)
• M8: 3,897,773 km (0.09 R)
• M9: 5,189,101 km (0.087 R)
• M10: 5,539,011 km (0.029 R)
• M11: 6,247,955 km (0.095 R)
• M12: 7,058,327 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391

Radius: 13.5

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.38 AU - 2.16 AU

Year: 1570 Days

Day: 12.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,751,629 km

• M1: 168,148 km (0.103 R)
• M2: 988,992 km (0.075 R)
• M3: 1,517,970 km (0.067 R)
• M4: 2,086,292 km (0.112 R)
• M5: 2,546,156 km (0.11 R)
• M6: 3,476,804 km (0.08 R)
• M7: 4,013,262 km (0.12 R)
• M8: 4,460,560 km (0.094 R)
• M9: 5,076,454 km (0.114 R)
• M10: 5,622,038 km (0.111 R)
• M11: 6,229,106 km (0.067 R)
• M12: 7,122,803 km (0.066 R)
• M13: 7,808,560 km (0.114 R)
• M14: 9,580,696 km (0.082 R)
• M15: 10,448,962 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.2

Radius: 3.2

Gravity: 30.49 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.62 AU - 11.74 AU

Year: 21660 Days

Day: 19.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,751,629 km

• M1: 40,092 km (0.118 R)
• M2: 205,547 km (0.116 R)
• M3: 1,640,191 km (0.027 R)
• M4: 2,618,262 km (0.1 R)
• M5: 3,506,873 km (0.105 R)
• M6: 5,968,506 km (0.105 R)
• M7: 6,487,910 km (0.094 R)
• M8: 10,419,492 km (0.073 R)
• M9: 10,819,367 km (0.064 R)
• M10: 12,843,426 km (0.117 R)
• M11: 16,522,337 km (0.089 R)
• M12: 16,676,423 km (0.092 R)
• M13: 16,909,347 km (0.069 R)
• M14: 18,850,828 km (0.082 R)
• M15: 19,875,124 km (0.048 R)
• M16: 27,023,060 km (0.082 R)
• M17: 28,323,215 km (0.109 R)
• M18: 37,141,711 km (0.09 R)
• M19: 43,252,036 km (0.086 R)
• M20: 44,282,017 km (0.07 R)
• M21: 56,188,511 km (0.094 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 13,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit