🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.53 AU - 0.63 AU

Year: 155 Days

Day: 32 Hours

Environment

Temp: 178 °C

Axial Tilt: 5.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.67 AU - 0.81 AU

Year: 223 Days

Day: 42.8 Hours

Environment

Temp: 198 °C

Axial Tilt: 28.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 23,115,995 km

• M1: 534,812 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.86 AU - 0.9 AU

Year: 289 Days

Day: 30.9 Hours

Environment

Temp: 151 °C

Axial Tilt: 13.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 23,115,995 km

• M1: 673,490 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.87 AU - 1.09 AU

Year: 339 Days

Day: 28.8 Hours

Environment

Temp: 93 °C

Axial Tilt: 8.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.33 AU - 1.51 AU

Year: 592 Days

Day: 21.2 Hours

Environment

Temp: -9 °C

Axial Tilt: 18.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 23,115,995 km

• M1: 346,618 km (0.113 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.72 AU - 2.84 AU

Year: 1622 Days

Day: 20.6 Hours

Environment

Temp: -78 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.28 AU - 3.68 AU

Year: 1800 Days

Day: 31.5 Hours

Environment

Temp: -99 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.24 AU - 3.24 AU

Year: 2040 Days

Day: 32.2 Hours

Environment

Temp: -101 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 23,115,995 km

• M1: 36,502 km (0.071 R)
• M2: 468,391 km (0.032 R)

Planet 9 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.5 AU - 3.66 AU

Year: 2370 Days

Day: 29.1 Hours

Environment

Temp: -107 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.22 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Gas Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.3

Radius: 14.2

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.98 AU - 7.72 AU

Year: 6272 Days

Day: 12 Hours

Environment

Temp: -152 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 23,115,995 km

• M1: 433,086 km (0.106 R)
• M2: 574,456 km (0.119 R)
• M3: 902,075 km (0.075 R)
• M4: 1,276,668 km (0.059 R)
• M5: 1,456,335 km (0.086 R)
• M6: 1,770,341 km (0.069 R)
• M7: 1,928,466 km (0.116 R)
• M8: 2,182,334 km (0.097 R)
• M9: 2,384,141 km (0.077 R)
• M10: 2,543,762 km (0.109 R)
• M11: 2,740,035 km (0.063 R)
• M12: 2,992,556 km (0.087 R)
• M13: 3,200,198 km (0.114 R)
• M14: 3,430,728 km (0.099 R)
• M15: 3,630,142 km (0.054 R)
• M16: 4,193,528 km (0.101 R)
• M17: 4,329,063 km (0.079 R)
• M18: 4,545,083 km (0.092 R)
• M19: 4,644,415 km (0.116 R)
• M20: 4,784,738 km (0.057 R)
• M21: 4,967,248 km (0.12 R)
• M22: 5,069,722 km (0.112 R)
• M23: 5,172,795 km (0.091 R)
• M24: 5,318,503 km (0.099 R)
• M25: 5,656,445 km (0.097 R)
• M26: 5,785,099 km (0.111 R)
• M27: 6,287,150 km (0.112 R)
• M28: 6,986,221 km (0.051 R)
• M29: 7,147,487 km (0.088 R)
• M30: 7,805,119 km (0.089 R)
• M31: 8,311,209 km (0.107 R)
• M32: 8,433,281 km (0.089 R)
• M33: 8,654,536 km (0.041 R)
• M34: 10,022,309 km (0.111 R)
• M35: 10,126,429 km (0.103 R)
• M36: 10,361,747 km (0.037 R)
• M37: 10,625,338 km (0.103 R)
• M38: 10,731,403 km (0.087 R)
• M39: 10,864,545 km (0.089 R)
• M40: 11,213,108 km (0.118 R)
• M41: 11,647,391 km (0.101 R)
• M42: 11,756,747 km (0.091 R)
• M43: 11,976,656 km (0.104 R)
• M44: 12,170,236 km (0.117 R)
• M45: 13,011,275 km (0.056 R)
• M46: 13,124,969 km (0.092 R)
• M47: 13,295,960 km (0.083 R)
• M48: 14,132,810 km (0.059 R)
• M49: 14,690,511 km (0.116 R)
• M50: 15,165,634 km (0.065 R)
• M51: 15,948,629 km (0.117 R)
• M52: 16,039,884 km (0.104 R)
• M53: 16,131,288 km (0.042 R)
• M54: 16,961,407 km (0.08 R)
• M55: 17,616,645 km (0.114 R)
• M56: 18,185,117 km (0.096 R)
• M57: 18,280,411 km (0.069 R)
• M58: 18,920,092 km (0.069 R)
• M59: 19,339,714 km (0.062 R)
• M60: 19,599,565 km (0.058 R)
• M61: 20,353,090 km (0.116 R)
• M62: 20,452,123 km (0.085 R)
• M63: 20,916,176 km (0.118 R)
• M64: 21,216,269 km (0.114 R)
• M65: 21,383,669 km (0.117 R)
• M66: 21,719,816 km (0.108 R)
• M67: 21,888,412 km (0.111 R)
• M68: 22,875,609 km (0.063 R)

Kuiper Belt

Range: 31.4 - 49.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 15,265 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit