🌌 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 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.55 AU - 0.67 AU

Year: 308 Days

Day: 14.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 44.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,736,209 km

• M1: 159,172 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.3

Radius: 12.7

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.65 AU - 0.73 AU

Year: 370 Days

Day: 9 Hours

Environment

Temp: -146 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,736,209 km

• M1: 157,975 km (0.076 R)
• M2: 647,908 km (0.107 R)
• M3: 1,049,429 km (0.089 R)
• M4: 1,512,285 km (0.081 R)
• M5: 2,035,279 km (0.077 R)
• M6: 2,687,227 km (0.118 R)
• M7: 3,622,363 km (0.063 R)
• M8: 4,128,004 km (0.045 R)
• M9: 4,612,252 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.4

Radius: 8.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.7 AU - 0.9 AU

Year: 462 Days

Day: 9 Hours

Environment

Temp: -141 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,736,209 km

• M1: 102,026 km (0.09 R)
• M2: 366,964 km (0.099 R)
• M3: 1,259,764 km (0.055 R)
• M4: 1,742,366 km (0.084 R)
• M5: 2,228,410 km (0.11 R)
• M6: 2,902,498 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.3

Radius: 11.3

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.78 AU - 0.82 AU

Year: 462 Days

Day: 9.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,736,209 km

• M1: 140,472 km (0.092 R)
• M2: 502,948 km (0.08 R)
• M3: 894,894 km (0.069 R)
• M4: 1,801,009 km (0.11 R)
• M5: 2,464,775 km (0.102 R)
• M6: 3,061,820 km (0.099 R)
• M7: 3,460,199 km (0.094 R)
• M8: 3,867,554 km (0.102 R)
• M9: 4,362,424 km (0.108 R)
• M10: 4,749,882 km (0.078 R)
• M11: 5,302,347 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.4

Radius: 12.4

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.02 AU - 1.6 AU

Year: 968 Days

Day: 8.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,736,209 km

• M1: 154,235 km (0.073 R)
• M2: 582,085 km (0.112 R)
• M3: 1,099,844 km (0.104 R)
• M4: 1,661,584 km (0.065 R)
• M5: 2,214,946 km (0.051 R)
• M6: 2,727,020 km (0.049 R)
• M7: 3,275,745 km (0.067 R)
• M8: 4,354,644 km (0.088 R)
• M9: 4,829,318 km (0.054 R)
• M10: 5,358,147 km (0.104 R)
• M11: 7,014,644 km (0.069 R)
• M12: 9,704,264 km (0.075 R)
• M13: 10,394,808 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.3

Radius: 6.2

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 6.67 AU - 10.61 AU

Year: 16398 Days

Day: 22.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,736,209 km

• M1: 77,342 km (0.116 R)
• M2: 339,288 km (0.086 R)
• M3: 724,802 km (0.1 R)
• M4: 1,017,565 km (0.109 R)
• M5: 1,445,265 km (0.085 R)
• M6: 2,193,703 km (0.111 R)
• M7: 2,416,006 km (0.108 R)
• M8: 2,812,440 km (0.086 R)
• M9: 3,026,365 km (0.08 R)
• M10: 3,678,612 km (0.11 R)
• M11: 4,052,906 km (0.073 R)
• M12: 4,295,703 km (0.065 R)
• M13: 4,710,837 km (0.077 R)
• M14: 5,658,390 km (0.094 R)
• M15: 6,896,163 km (0.1 R)
• M16: 7,198,799 km (0.1 R)
• M17: 8,597,689 km (0.063 R)
• M18: 9,101,684 km (0.072 R)
• M19: 9,572,020 km (0.105 R)
• M20: 10,447,915 km (0.033 R)
• M21: 14,630,373 km (0.064 R)
• M22: 15,203,033 km (0.053 R)
• M23: 18,538,916 km (0.104 R)
• M24: 18,955,995 km (0.116 R)
• M25: 22,426,516 km (0.099 R)
• M26: 24,559,782 km (0.058 R)
• M27: 25,164,307 km (0.108 R)
• M28: 27,573,580 km (0.088 R)
• M29: 30,018,010 km (0.096 R)
• M30: 30,362,085 km (0.094 R)
• M31: 31,528,350 km (0.066 R)
• M32: 35,716,641 km (0.118 R)
• M33: 37,279,191 km (0.115 R)
• M34: 46,388,654 km (0.103 R)
• M35: 51,126,867 km (0.106 R)
• M36: 59,002,896 km (0.047 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 17,521 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit