🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.8

Radius: 10

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.63 AU - 0.69 AU

Year: 370 Days

Day: 7.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,188,894 km

• M1: 124,316 km (0.103 R)
• M2: 483,949 km (0.086 R)
• M3: 990,488 km (0.118 R)
• M4: 1,355,357 km (0.063 R)
• M5: 2,273,140 km (0.076 R)
• M6: 2,605,845 km (0.048 R)
• M7: 3,219,496 km (0.047 R)
• M8: 3,890,442 km (0.12 R)
• M9: 4,240,202 km (0.059 R)
• M10: 4,610,906 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.7

Radius: 10.2

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.54 AU - 0.86 AU

Year: 404 Days

Day: 12.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,188,894 km

• M1: 126,859 km (0.109 R)
• M2: 489,783 km (0.102 R)
• M3: 839,842 km (0.094 R)
• M4: 1,181,374 km (0.059 R)
• M5: 1,670,859 km (0.102 R)
• M6: 2,080,009 km (0.099 R)
• M7: 2,430,367 km (0.077 R)
• M8: 2,879,310 km (0.034 R)
• M9: 3,575,240 km (0.069 R)
• M10: 4,119,925 km (0.098 R)
• M11: 4,472,976 km (0.114 R)
• M12: 4,846,073 km (0.119 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.6

Radius: 4.7

Gravity: 16.32 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.14 AU - 9.56 AU

Year: 18173 Days

Day: 23 Hours

Environment

Temp: -234 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,188,894 km

• M1: 58,642 km (0.119 R)
• M2: 237,711 km (0.115 R)
• M3: 423,063 km (0.113 R)
• M4: 874,400 km (0.078 R)
• M5: 1,070,373 km (0.088 R)
• M6: 1,536,669 km (0.052 R)
• M7: 3,094,731 km (0.112 R)
• M8: 5,410,805 km (0.115 R)
• M9: 5,998,276 km (0.12 R)
• M10: 7,473,760 km (0.096 R)
• M11: 11,644,848 km (0.119 R)
• M12: 11,943,894 km (0.079 R)
• M13: 20,579,281 km (0.112 R)
• M14: 25,134,686 km (0.114 R)
• M15: 28,988,926 km (0.069 R)
• M16: 29,427,846 km (0.03 R)
• M17: 30,094,454 km (0.063 R)
• M18: 33,941,812 km (0.047 R)
• M19: 34,921,529 km (0.044 R)
• M20: 36,172,466 km (0.109 R)
• M21: 36,426,334 km (0.097 R)
• M22: 56,265,405 km (0.064 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.3

Radius: 7.4

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.71 AU - 10.85 AU

Year: 22751 Days

Day: 18.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,188,894 km

• M1: 94,695 km (0.038 R)
• M2: 328,517 km (0.088 R)
• M3: 690,843 km (0.038 R)
• M4: 1,506,301 km (0.087 R)
• M5: 4,949,595 km (0.119 R)
• M6: 5,367,871 km (0.086 R)
• M7: 7,324,162 km (0.074 R)
• M8: 13,026,833 km (0.118 R)
• M9: 15,296,532 km (0.058 R)
• M10: 17,026,182 km (0.041 R)
• M11: 18,467,708 km (0.089 R)
• M12: 25,661,570 km (0.1 R)
• M13: 27,552,337 km (0.08 R)
• M14: 34,398,834 km (0.082 R)
• M15: 37,878,630 km (0.113 R)
• M16: 59,734,280 km (0.076 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 12,304 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit