🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.05 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.69 AU - 2.51 AU

Year: 1117 Days

Day: 29 Hours

Environment

Temp: -79 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.1

Radius: 15

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.43 AU - 9.41 AU

Year: 8182 Days

Day: 13.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,453,934 km

• M1: 187,297 km (0.108 R)
• M2: 676,930 km (0.053 R)
• M3: 1,721,572 km (0.032 R)
• M4: 3,501,189 km (0.113 R)
• M5: 4,702,011 km (0.061 R)
• M6: 5,602,590 km (0.105 R)
• M7: 6,759,580 km (0.026 R)
• M8: 7,668,536 km (0.083 R)
• M9: 9,823,494 km (0.059 R)
• M10: 12,411,537 km (0.089 R)
• M11: 13,893,005 km (0.115 R)
• M12: 14,493,191 km (0.099 R)
• M13: 16,597,734 km (0.054 R)
• M14: 17,069,267 km (0.116 R)
• M15: 20,856,935 km (0.112 R)
• M16: 21,724,603 km (0.093 R)
• M17: 22,781,063 km (0.083 R)
• M18: 26,703,669 km (0.066 R)
• M19: 29,359,779 km (0.05 R)
• M20: 34,861,989 km (0.063 R)
• M21: 36,535,989 km (0.076 R)
• M22: 40,406,534 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.9

Radius: 10

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.35 AU - 10.09 AU

Year: 9453 Days

Day: 13.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,453,934 km

• M1: 124,316 km (0.097 R)
• M2: 461,659 km (0.046 R)
• M3: 828,772 km (0.089 R)
• M4: 2,081,804 km (0.11 R)
• M5: 3,729,026 km (0.058 R)
• M6: 4,339,535 km (0.063 R)
• M7: 4,986,995 km (0.088 R)
• M8: 5,393,602 km (0.116 R)
• M9: 9,889,018 km (0.115 R)
• M10: 11,009,356 km (0.092 R)
• M11: 13,224,901 km (0.12 R)
• M12: 15,295,933 km (0.113 R)
• M13: 16,791,314 km (0.078 R)
• M14: 18,518,720 km (0.056 R)
• M15: 23,110,777 km (0.06 R)
• M16: 23,430,766 km (0.075 R)
• M17: 24,243,681 km (0.097 R)
• M18: 27,684,432 km (0.084 R)
• M19: 28,592,940 km (0.066 R)
• M20: 30,951,051 km (0.112 R)
• M21: 31,340,006 km (0.064 R)
• M22: 31,830,837 km (0.112 R)
• M23: 32,526,616 km (0.077 R)
• M24: 32,928,586 km (0.087 R)
• M25: 33,538,047 km (0.054 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352

Radius: 7.2

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 13.89 AU - 14.15 AU

Year: 19271 Days

Day: 20.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,453,934 km

• M1: 93,050 km (0.069 R)
• M2: 328,218 km (0.112 R)
• M3: 578,794 km (0.103 R)
• M4: 840,441 km (0.048 R)
• M5: 1,232,238 km (0.042 R)
• M6: 1,492,837 km (0.114 R)
• M7: 1,757,326 km (0.044 R)
• M8: 2,548,549 km (0.059 R)
• M9: 4,519,202 km (0.12 R)
• M10: 5,112,058 km (0.059 R)
• M11: 6,019,818 km (0.091 R)
• M12: 6,904,091 km (0.11 R)
• M13: 8,827,920 km (0.108 R)
• M14: 9,489,292 km (0.079 R)
• M15: 11,913,526 km (0.075 R)
• M16: 15,146,485 km (0.091 R)
• M17: 18,920,839 km (0.026 R)
• M18: 21,879,885 km (0.105 R)
• M19: 23,278,326 km (0.119 R)
• M20: 27,509,403 km (0.089 R)
• M21: 31,057,565 km (0.114 R)
• M22: 32,701,496 km (0.093 R)
• M23: 33,544,929 km (0.087 R)
• M24: 34,279,305 km (0.086 R)
• M25: 41,377,873 km (0.12 R)
• M26: 42,934,888 km (0.105 R)
• M27: 43,945,721 km (0.095 R)
• M28: 46,315,950 km (0.071 R)
• M29: 47,073,663 km (0.056 R)
• M30: 52,120,497 km (0.11 R)
• M31: 55,791,927 km (0.04 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: 235 - 18,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit