🌌 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 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.49 AU - 0.61 AU

Year: 259 Days

Day: 28.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,947,102 km

• M1: 94,695 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.4

Radius: 8

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.81 AU - 0.83 AU

Year: 472 Days

Day: 13.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,947,102 km

• M1: 100,231 km (0.108 R)
• M2: 356,941 km (0.056 R)
• M3: 626,665 km (0.06 R)
• M4: 905,815 km (0.11 R)
• M5: 1,263,055 km (0.101 R)
• M6: 1,596,658 km (0.109 R)
• M7: 1,906,774 km (0.09 R)
• M8: 2,367,536 km (0.12 R)
• M9: 2,649,977 km (0.104 R)
• M10: 2,987,619 km (0.108 R)
• M11: 3,498,945 km (0.113 R)
• M12: 3,827,761 km (0.043 R)
• M13: 4,725,797 km (0.102 R)
• M14: 5,826,837 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.7

Radius: 10

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.3 AU - 3.36 AU

Year: 3027 Days

Day: 10.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,947,102 km

• M1: 124,465 km (0.096 R)
• M2: 440,566 km (0.077 R)
• M3: 1,002,156 km (0.095 R)
• M4: 1,369,569 km (0.045 R)
• M5: 2,849,391 km (0.07 R)
• M6: 3,185,537 km (0.083 R)
• M7: 5,428,458 km (0.114 R)
• M8: 6,025,653 km (0.106 R)
• M9: 6,861,157 km (0.076 R)
• M10: 7,233,655 km (0.075 R)
• M11: 7,649,986 km (0.062 R)
• M12: 11,144,443 km (0.051 R)
• M13: 11,579,922 km (0.112 R)
• M14: 12,192,077 km (0.067 R)
• M15: 13,749,241 km (0.098 R)
• M16: 14,250,394 km (0.115 R)
• M17: 17,570,868 km (0.119 R)
• M18: 18,052,873 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.8

Radius: 13.8

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.8 AU - 5.7 AU

Year: 7648 Days

Day: 11.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,947,102 km

• M1: 171,888 km (0.075 R)
• M2: 742,305 km (0.043 R)
• M3: 1,414,897 km (0.081 R)
• M4: 2,531,046 km (0.1 R)
• M5: 3,676,667 km (0.104 R)
• M6: 4,248,729 km (0.12 R)
• M7: 6,262,466 km (0.086 R)
• M8: 6,934,759 km (0.075 R)
• M9: 7,499,042 km (0.112 R)
• M10: 7,972,519 km (0.091 R)
• M11: 9,023,444 km (0.097 R)
• M12: 9,468,947 km (0.089 R)
• M13: 16,618,528 km (0.061 R)
• M14: 18,543,554 km (0.077 R)
• M15: 21,862,682 km (0.117 R)
• M16: 22,506,102 km (0.028 R)
• M17: 24,085,108 km (0.079 R)
• M18: 29,556,351 km (0.112 R)
• M19: 33,525,780 km (0.105 R)
• M20: 35,362,393 km (0.058 R)
• M21: 35,804,156 km (0.119 R)
• M22: 36,924,644 km (0.092 R)
• M23: 39,827,890 km (0.104 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 18,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit