🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.72 AU - 1.04 AU

Year: 314 Days

Day: 23.2 Hours

Environment

Temp: 15 °C

Axial Tilt: 0.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.46 AU - 1.82 AU

Year: 800 Days

Day: 16.9 Hours

Environment

Temp: -69 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.66 AU - 1.96 AU

Year: 927 Days

Day: 33.9 Hours

Environment

Temp: -62 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 13,006,590 km

• M1: 273,016 km (0.096 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.33 AU - 2.75 AU

Year: 1542 Days

Day: 26.2 Hours

Environment

Temp: -97 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.7 AU - 3.08 AU

Year: 1871 Days

Day: 17 Hours

Environment

Temp: -103 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 13,006,590 km

• M1: 2,415,557 km (0.07 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.38 AU - 3.42 AU

Year: 1881 Days

Day: 13.9 Hours

Environment

Temp: -101 °C

Axial Tilt: 132.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.06 AU - 3.44 AU

Year: 2231 Days

Day: 30 Hours

Environment

Temp: -123 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.12 AU - 3.72 AU

Year: 2408 Days

Day: 47.7 Hours

Environment

Temp: -114 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 13,006,590 km

• M1: 217,964 km (0.073 R)

Planet 9 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.65 AU - 4.11 AU

Year: 2910 Days

Day: 31.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.24 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.6

Radius: 9.5

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.76 AU - 5.42 AU

Year: 3745 Days

Day: 11.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 13,006,590 km

• M1: 175,329 km (0.039 R)
• M2: 270,922 km (0.077 R)
• M3: 336,745 km (0.082 R)
• M4: 443,258 km (0.072 R)
• M5: 525,687 km (0.067 R)
• M6: 607,667 km (0.087 R)
• M7: 708,346 km (0.088 R)
• M8: 866,920 km (0.107 R)
• M9: 1,349,672 km (0.109 R)
• M10: 1,539,811 km (0.034 R)
• M11: 1,690,755 km (0.116 R)
• M12: 1,856,510 km (0.08 R)
• M13: 2,162,288 km (0.087 R)
• M14: 2,299,768 km (0.062 R)
• M15: 2,650,725 km (0.117 R)
• M16: 2,995,398 km (0.064 R)
• M17: 3,113,431 km (0.086 R)
• M18: 3,185,088 km (0.112 R)
• M19: 3,281,429 km (0.099 R)
• M20: 3,342,016 km (0.043 R)
• M21: 3,489,370 km (0.097 R)
• M22: 3,638,819 km (0.114 R)
• M23: 3,815,793 km (0.112 R)
• M24: 3,892,686 km (0.094 R)
• M25: 3,957,013 km (0.095 R)
• M26: 4,021,789 km (0.114 R)
• M27: 4,297,498 km (0.111 R)
• M28: 4,715,923 km (0.034 R)
• M29: 4,826,027 km (0.12 R)
• M30: 4,937,029 km (0.115 R)
• M31: 5,189,999 km (0.034 R)
• M32: 5,346,628 km (0.05 R)
• M33: 5,447,008 km (0.051 R)
• M34: 5,620,841 km (0.116 R)
• M35: 5,766,998 km (0.118 R)
• M36: 5,899,691 km (0.105 R)
• M37: 5,959,082 km (0.1 R)
• M38: 6,018,472 km (0.095 R)
• M39: 6,258,577 km (0.105 R)
• M40: 6,578,267 km (0.071 R)
• M41: 6,794,436 km (0.079 R)
• M42: 6,934,759 km (0.118 R)
• M43: 6,997,440 km (0.11 R)
• M44: 7,091,687 km (0.071 R)
• M45: 7,505,176 km (0.112 R)
• M46: 7,731,218 km (0.101 R)
• M47: 8,008,572 km (0.069 R)
• M48: 8,539,645 km (0.07 R)
• M49: 8,708,092 km (0.12 R)
• M50: 8,843,478 km (0.104 R)
• M51: 9,030,924 km (0.065 R)
• M52: 9,618,395 km (0.106 R)
• M53: 9,688,407 km (0.071 R)
• M54: 9,793,574 km (0.102 R)
• M55: 9,916,843 km (0.11 R)
• M56: 10,005,255 km (0.079 R)
• M57: 10,289,641 km (0.108 R)
• M58: 10,903,142 km (0.091 R)
• M59: 11,714,560 km (0.066 R)
• M60: 11,864,158 km (0.054 R)
• M61: 11,958,106 km (0.092 R)
• M62: 12,335,840 km (0.1 R)
• M63: 12,469,132 km (0.062 R)
• M64: 12,641,020 km (0.084 R)
• M65: 12,987,190 km (0.056 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 18,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit