🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.47 AU - 0.65 AU

Year: 160 Days

Day: 38 Hours

Environment

Temp: 135 °C

Axial Tilt: 31.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.32 AU - 1.48 AU

Year: 634 Days

Day: 19 Hours

Environment

Temp: -56 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,474,203 km

• M1: 925,412 km (0.094 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.23 AU - 1.75 AU

Year: 696 Days

Day: 36.4 Hours

Environment

Temp: -48 °C

Axial Tilt: 81.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.19 AU - 3.49 AU

Year: 2337 Days

Day: 46.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 45.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.9

Radius: 8.7

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 7.44 AU - 8.04 AU

Year: 8245 Days

Day: 11 Hours

Environment

Temp: -162 °C

Axial Tilt: 165.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,474,203 km

• M1: 108,159 km (0.12 R)
• M2: 430,094 km (0.053 R)
• M3: 754,272 km (0.072 R)
• M4: 1,523,654 km (0.112 R)
• M5: 2,494,544 km (0.117 R)
• M6: 2,842,360 km (0.091 R)
• M7: 3,244,329 km (0.08 R)
• M8: 3,781,535 km (0.096 R)
• M9: 4,598,190 km (0.068 R)
• M10: 6,470,108 km (0.089 R)
• M11: 9,564,989 km (0.119 R)
• M12: 10,618,307 km (0.055 R)
• M13: 12,122,514 km (0.091 R)
• M14: 14,792,237 km (0.111 R)
• M15: 15,420,549 km (0.104 R)
• M16: 15,806,062 km (0.07 R)
• M17: 20,404,252 km (0.052 R)
• M18: 24,670,185 km (0.07 R)
• M19: 25,197,667 km (0.098 R)
• M20: 26,093,758 km (0.064 R)
• M21: 29,791,668 km (0.069 R)
• M22: 36,366,345 km (0.067 R)
• M23: 37,857,836 km (0.104 R)
• M24: 38,207,745 km (0.057 R)
• M25: 39,270,339 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.8

Radius: 8.4

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 7.5 AU - 8.38 AU

Year: 8566 Days

Day: 12.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,474,203 km

• M1: 104,419 km (0.115 R)
• M2: 412,142 km (0.096 R)
• M3: 776,263 km (0.101 R)
• M4: 1,281,605 km (0.113 R)
• M5: 1,678,189 km (0.09 R)
• M6: 1,976,188 km (0.101 R)
• M7: 2,799,575 km (0.034 R)
• M8: 3,935,621 km (0.098 R)
• M9: 4,692,586 km (0.116 R)
• M10: 4,955,429 km (0.11 R)
• M11: 5,352,761 km (0.117 R)
• M12: 5,705,364 km (0.051 R)
• M13: 6,246,010 km (0.109 R)
• M14: 9,155,390 km (0.112 R)
• M15: 10,184,473 km (0.088 R)
• M16: 10,878,308 km (0.045 R)
• M17: 11,497,644 km (0.112 R)
• M18: 12,415,277 km (0.092 R)
• M19: 15,783,623 km (0.102 R)
• M20: 25,224,445 km (0.081 R)
• M21: 26,034,667 km (0.101 R)
• M22: 27,329,437 km (0.108 R)
• M23: 30,855,010 km (0.091 R)
• M24: 31,367,532 km (0.068 R)
• M25: 34,452,689 km (0.097 R)
• M26: 37,154,277 km (0.116 R)
• M27: 39,872,769 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.3

Radius: 10.5

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 8.68 AU - 13.12 AU

Year: 13779 Days

Day: 11.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 158.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,474,203 km

• M1: 130,599 km (0.075 R)
• M2: 469,737 km (0.093 R)
• M3: 1,092,064 km (0.095 R)
• M4: 1,438,832 km (0.071 R)
• M5: 2,267,605 km (0.118 R)
• M6: 3,025,767 km (0.098 R)
• M7: 3,944,896 km (0.063 R)
• M8: 4,349,109 km (0.12 R)
• M9: 4,845,026 km (0.117 R)
• M10: 5,731,094 km (0.082 R)
• M11: 7,957,260 km (0.059 R)
• M12: 8,653,040 km (0.118 R)
• M13: 9,954,242 km (0.084 R)
• M14: 11,788,462 km (0.105 R)
• M15: 13,969,150 km (0.092 R)
• M16: 17,379,233 km (0.059 R)
• M17: 17,919,132 km (0.084 R)
• M18: 18,951,208 km (0.075 R)
• M19: 20,022,478 km (0.032 R)
• M20: 20,530,363 km (0.103 R)
• M21: 21,395,787 km (0.079 R)
• M22: 26,092,113 km (0.06 R)
• M23: 28,466,530 km (0.072 R)
• M24: 36,448,923 km (0.114 R)
• M25: 37,589,158 km (0.092 R)
• M26: 40,341,759 km (0.107 R)
• M27: 44,074,674 km (0.12 R)
• M28: 45,951,529 km (0.062 R)
• M29: 49,864,112 km (0.086 R)
• M30: 51,901,336 km (0.073 R)
• M31: 52,379,151 km (0.057 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: 205 - 12,766 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit