🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.3

Radius: 9.7

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.49 AU - 0.75 AU

Year: 331 Days

Day: 12.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 23,316,131 km

• M1: 120,725 km (0.056 R)
• M2: 453,282 km (0.028 R)
• M3: 770,279 km (0.11 R)
• M4: 1,234,930 km (0.054 R)
• M5: 2,147,477 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.5

Radius: 8.8

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.89 AU - 1.17 AU

Year: 709 Days

Day: 10.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,316,131 km

• M1: 109,805 km (0.076 R)
• M2: 394,041 km (0.115 R)
• M3: 750,981 km (0.081 R)
• M4: 1,067,082 km (0.096 R)
• M5: 1,389,914 km (0.106 R)
• M6: 2,027,650 km (0.12 R)
• M7: 3,341,268 km (0.07 R)
• M8: 3,740,096 km (0.119 R)
• M9: 4,091,203 km (0.106 R)
• M10: 4,364,817 km (0.08 R)
• M11: 4,650,549 km (0.119 R)
• M12: 5,487,549 km (0.118 R)
• M13: 5,861,245 km (0.081 R)
• M14: 6,230,901 km (0.077 R)
• M15: 6,904,091 km (0.074 R)
• M16: 7,410,630 km (0.056 R)
• M17: 8,759,255 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.5

Radius: 9.6

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.8 AU - 3.38 AU

Year: 3684 Days

Day: 9.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,316,131 km

• M1: 128,205 km (0.078 R)
• M2: 444,605 km (0.09 R)
• M3: 855,849 km (0.046 R)
• M4: 1,805,646 km (0.083 R)
• M5: 2,783,867 km (0.069 R)
• M6: 3,219,645 km (0.105 R)
• M7: 3,739,498 km (0.064 R)
• M8: 4,668,800 km (0.036 R)
• M9: 4,970,988 km (0.108 R)
• M10: 7,159,455 km (0.118 R)
• M11: 7,947,985 km (0.106 R)
• M12: 11,689,727 km (0.112 R)
• M13: 13,609,666 km (0.066 R)
• M14: 17,669,005 km (0.064 R)
• M15: 18,987,560 km (0.116 R)
• M16: 20,804,426 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.2

Radius: 5.2

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.13 AU - 7.38 AU

Year: 10598 Days

Day: 24.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,316,131 km

• M1: 64,776 km (0.059 R)
• M2: 292,613 km (0.09 R)
• M3: 497,413 km (0.116 R)
• M4: 750,682 km (0.043 R)
• M5: 938,876 km (0.112 R)
• M6: 1,508,545 km (0.109 R)
• M7: 2,604,050 km (0.077 R)
• M8: 3,390,935 km (0.033 R)
• M9: 3,746,379 km (0.117 R)
• M10: 4,416,129 km (0.069 R)
• M11: 4,719,663 km (0.103 R)
• M12: 4,888,709 km (0.096 R)
• M13: 7,736,304 km (0.114 R)
• M14: 9,524,896 km (0.048 R)
• M15: 13,359,539 km (0.112 R)
• M16: 18,348,029 km (0.117 R)
• M17: 18,586,787 km (0.092 R)
• M18: 19,562,465 km (0.111 R)
• M19: 20,829,559 km (0.03 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: 504 - 17,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit