🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.59 AU - 0.75 AU

Year: 195 Days

Day: 15.2 Hours

Environment

Temp: 172 °C

Axial Tilt: 31.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.19 AU - 1.19 AU

Year: 463 Days

Day: 21.4 Hours

Environment

Temp: 29 °C

Axial Tilt: 48.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.16 AU - 1.74 AU

Year: 622 Days

Day: 25.5 Hours

Environment

Temp: -6 °C

Axial Tilt: 36.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.43 AU - 1.77 AU

Year: 721 Days

Day: 18.1 Hours

Environment

Temp: -25 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,975,572 km

• M1: 272,867 km (0.061 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.91 AU - 2.17 AU

Year: 1039 Days

Day: 35.5 Hours

Environment

Temp: -65 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.71 AU - 3.89 AU

Year: 2137 Days

Day: 19.8 Hours

Environment

Temp: -105 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 28,975,572 km

• M1: 875,746 km (0.094 R)
• M2: 1,691,204 km (0.087 R)

Asteroid Belt

Center: 7.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 11.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.2

Radius: 8.1

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 10.31 AU - 12.23 AU

Year: 13486 Days

Day: 11.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 28,975,572 km

• M1: 117,584 km (0.091 R)
• M2: 214,823 km (0.074 R)
• M3: 265,985 km (0.1 R)
• M4: 658,530 km (0.075 R)
• M5: 959,670 km (0.068 R)
• M6: 1,083,238 km (0.065 R)
• M7: 1,226,852 km (0.038 R)
• M8: 1,407,566 km (0.071 R)
• M9: 1,469,799 km (0.08 R)
• M10: 1,711,549 km (0.114 R)
• M11: 1,897,051 km (0.078 R)
• M12: 2,473,302 km (0.103 R)
• M13: 2,839,816 km (0.101 R)
• M14: 2,979,242 km (0.113 R)
• M15: 3,121,060 km (0.111 R)
• M16: 3,411,131 km (0.109 R)
• M17: 4,129,350 km (0.096 R)
• M18: 4,355,991 km (0.119 R)
• M19: 4,447,844 km (0.034 R)
• M20: 4,517,108 km (0.05 R)
• M21: 4,610,158 km (0.086 R)
• M22: 5,012,426 km (0.057 R)
• M23: 6,441,984 km (0.083 R)
• M24: 6,891,376 km (0.102 R)
• M25: 7,133,275 km (0.044 R)
• M26: 7,460,446 km (0.102 R)
• M27: 7,653,427 km (0.027 R)
• M28: 7,932,128 km (0.106 R)
• M29: 8,356,387 km (0.109 R)
• M30: 9,138,635 km (0.066 R)
• M31: 9,553,470 km (0.039 R)
• M32: 9,853,563 km (0.093 R)
• M33: 10,463,025 km (0.099 R)
• M34: 10,928,124 km (0.084 R)
• M35: 12,526,727 km (0.106 R)
• M36: 12,954,278 km (0.115 R)
• M37: 13,120,032 km (0.111 R)
• M38: 13,419,976 km (0.091 R)
• M39: 13,654,994 km (0.053 R)
• M40: 14,231,245 km (0.044 R)
• M41: 15,023,516 km (0.116 R)
• M42: 15,337,372 km (0.08 R)
• M43: 15,407,384 km (0.086 R)
• M44: 15,653,472 km (0.095 R)
• M45: 16,830,808 km (0.116 R)
• M46: 17,888,764 km (0.099 R)
• M47: 19,383,097 km (0.047 R)
• M48: 20,106,851 km (0.118 R)
• M49: 20,529,914 km (0.098 R)
• M50: 20,684,449 km (0.102 R)
• M51: 20,839,432 km (0.106 R)
• M52: 21,150,446 km (0.105 R)
• M53: 21,423,911 km (0.056 R)
• M54: 23,612,977 km (0.103 R)
• M55: 24,018,537 km (0.057 R)
• M56: 24,263,129 km (0.083 R)
• M57: 24,344,809 km (0.096 R)
• M58: 24,754,558 km (0.108 R)
• M59: 25,373,444 km (0.118 R)
• M60: 25,580,787 km (0.112 R)
• M61: 26,039,155 km (0.038 R)
• M62: 26,290,330 km (0.075 R)
• M63: 27,515,536 km (0.113 R)
• M64: 28,027,909 km (0.101 R)
• M65: 28,156,563 km (0.073 R)
• M66: 28,457,405 km (0.093 R)
• M67: 28,672,975 km (0.096 R)

Kuiper Belt

Range: 30.8 - 55.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 15,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit