🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.67 AU - 0.77 AU

Year: 218 Days

Day: 39 Hours

Environment

Temp: 143 °C

Axial Tilt: 36.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.91 AU - 1.33 AU

Year: 422 Days

Day: 31.8 Hours

Environment

Temp: 20 °C

Axial Tilt: 27 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 44,608,409 km

• M1: 81,680 km (0.09 R)
• M2: 99,483 km (0.076 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.44 AU - 2.18 AU

Year: 868 Days

Day: 18.6 Hours

Environment

Temp: -42 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.81 AU - 3.23 AU

Year: 1871 Days

Day: 27.9 Hours

Environment

Temp: -106 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,608,409 km

• M1: 243,994 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.8

Radius: 9.7

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.05 AU - 11.07 AU

Year: 9720 Days

Day: 8.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,608,409 km

• M1: 160,219 km (0.092 R)
• M2: 503,098 km (0.086 R)
• M3: 1,843,195 km (0.069 R)
• M4: 2,324,601 km (0.11 R)
• M5: 2,781,324 km (0.065 R)
• M6: 3,249,864 km (0.12 R)
• M7: 3,849,153 km (0.065 R)
• M8: 4,520,548 km (0.09 R)
• M9: 5,400,184 km (0.114 R)
• M10: 7,007,463 km (0.097 R)
• M11: 7,834,740 km (0.116 R)
• M12: 8,316,744 km (0.106 R)
• M13: 9,486,001 km (0.066 R)
• M14: 10,602,599 km (0.087 R)
• M15: 11,975,310 km (0.111 R)
• M16: 12,380,121 km (0.094 R)
• M17: 13,524,994 km (0.106 R)
• M18: 14,412,708 km (0.08 R)
• M19: 18,738,779 km (0.111 R)
• M20: 22,262,108 km (0.04 R)
• M21: 26,107,521 km (0.116 R)
• M22: 26,592,966 km (0.071 R)
• M23: 27,183,429 km (0.038 R)
• M24: 30,695,688 km (0.105 R)
• M25: 37,366,257 km (0.074 R)
• M26: 38,107,066 km (0.079 R)
• M27: 40,907,239 km (0.056 R)
• M28: 43,027,938 km (0.089 R)
• M29: 45,921,161 km (0.085 R)
• M30: 48,502,173 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.7

Radius: 12.5

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.16 AU - 10.56 AU

Year: 10207 Days

Day: 6.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,608,409 km

• M1: 156,330 km (0.08 R)
• M2: 678,426 km (0.042 R)
• M3: 1,185,114 km (0.074 R)
• M4: 1,674,150 km (0.088 R)
• M5: 2,073,726 km (0.11 R)
• M6: 3,389,738 km (0.077 R)
• M7: 3,934,723 km (0.08 R)
• M8: 4,451,883 km (0.112 R)
• M9: 6,837,221 km (0.105 R)
• M10: 11,526,965 km (0.115 R)
• M11: 14,150,762 km (0.105 R)
• M12: 15,903,750 km (0.058 R)
• M13: 17,292,467 km (0.116 R)
• M14: 24,375,327 km (0.078 R)
• M15: 27,077,963 km (0.116 R)
• M16: 27,857,218 km (0.053 R)
• M17: 28,651,583 km (0.034 R)
• M18: 30,493,880 km (0.043 R)
• M19: 31,872,724 km (0.058 R)
• M20: 36,493,653 km (0.087 R)
• M21: 37,805,476 km (0.043 R)
• M22: 38,779,209 km (0.113 R)
• M23: 39,396,150 km (0.085 R)
• M24: 44,435,654 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.5

Radius: 13.3

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.33 AU - 9.75 AU

Year: 10503 Days

Day: 14.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,608,409 km

• M1: 165,904 km (0.053 R)
• M2: 678,426 km (0.081 R)
• M3: 1,463,965 km (0.059 R)
• M4: 3,206,032 km (0.09 R)
• M5: 4,055,449 km (0.047 R)
• M6: 5,687,561 km (0.103 R)
• M7: 6,633,319 km (0.079 R)
• M8: 7,439,203 km (0.09 R)
• M9: 8,054,200 km (0.11 R)
• M10: 8,836,746 km (0.101 R)
• M11: 9,958,431 km (0.09 R)
• M12: 12,091,098 km (0.049 R)
• M13: 12,597,337 km (0.073 R)
• M14: 13,294,164 km (0.119 R)
• M15: 19,751,856 km (0.113 R)
• M16: 21,094,048 km (0.117 R)
• M17: 23,436,002 km (0.025 R)
• M18: 26,506,948 km (0.116 R)
• M19: 27,748,909 km (0.099 R)
• M20: 34,772,679 km (0.101 R)
• M21: 36,144,641 km (0.119 R)
• M22: 36,961,296 km (0.107 R)

Kuiper Belt

Range: 30.8 - 53.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 16,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit