🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.75 AU - 0.81 AU

Year: 261 Days

Day: 22.3 Hours

Environment

Temp: 173 °C

Axial Tilt: 1.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 32,693,356 km

• M1: 45,029 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.01 AU - 1.15 AU

Year: 425 Days

Day: 33.3 Hours

Environment

Temp: 0 °C

Axial Tilt: 17.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 32,693,356 km

• M1: 68,815 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.84 AU - 1.34 AU

Year: 431 Days

Day: 28.2 Hours

Environment

Temp: 15 °C

Axial Tilt: 29.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.96 AU - 1.46 AU

Year: 504 Days

Day: 14 Hours

Environment

Temp: -10 °C

Axial Tilt: 6.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.18 AU - 1.52 AU

Year: 594 Days

Day: 42.4 Hours

Environment

Temp: -38 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,693,356 km

• M1: 501,751 km (0.079 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.46 AU - 1.6 AU

Year: 717 Days

Day: 25.1 Hours

Environment

Temp: -47 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,693,356 km

• M1: 540,647 km (0.104 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.72 AU - 3.4 AU

Year: 2027 Days

Day: 28.2 Hours

Environment

Temp: -122 °C

Axial Tilt: 42.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.6

Radius: 14.9

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.94 AU - 9.04 AU

Year: 7764 Days

Day: 11.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 32,693,356 km

• M1: 217,814 km (0.073 R)
• M2: 435,629 km (0.076 R)
• M3: 570,716 km (0.103 R)
• M4: 749,037 km (0.112 R)
• M5: 853,007 km (0.106 R)
• M6: 1,077,703 km (0.038 R)
• M7: 1,323,044 km (0.088 R)
• M8: 1,519,765 km (0.079 R)
• M9: 1,762,113 km (0.118 R)
• M10: 2,073,875 km (0.107 R)
• M11: 2,226,914 km (0.058 R)
• M12: 2,484,073 km (0.118 R)
• M13: 2,772,049 km (0.112 R)
• M14: 3,136,619 km (0.05 R)
• M15: 3,403,501 km (0.1 R)
• M16: 3,794,550 km (0.114 R)
• M17: 4,151,640 km (0.063 R)
• M18: 4,445,450 km (0.114 R)
• M19: 4,720,710 km (0.104 R)
• M20: 4,898,881 km (0.066 R)
• M21: 5,001,805 km (0.103 R)
• M22: 5,157,387 km (0.051 R)
• M23: 5,661,083 km (0.108 R)
• M24: 6,014,732 km (0.107 R)
• M25: 6,516,633 km (0.067 R)
• M26: 6,630,028 km (0.072 R)
• M27: 7,207,027 km (0.109 R)
• M28: 7,353,783 km (0.111 R)
• M29: 7,471,965 km (0.042 R)
• M30: 7,620,665 km (0.078 R)
• M31: 8,440,162 km (0.044 R)
• M32: 8,626,112 km (0.088 R)
• M33: 8,844,825 km (0.114 R)
• M34: 9,065,332 km (0.096 R)
• M35: 9,224,055 km (0.045 R)
• M36: 9,319,648 km (0.053 R)
• M37: 10,096,809 km (0.111 R)
• M38: 10,626,535 km (0.03 R)
• M39: 11,097,469 km (0.048 R)
• M40: 11,267,412 km (0.103 R)
• M41: 11,472,362 km (0.085 R)
• M42: 12,129,844 km (0.084 R)
• M43: 12,692,931 km (0.09 R)
• M44: 12,799,444 km (0.117 R)
• M45: 13,120,930 km (0.094 R)
• M46: 13,844,834 km (0.081 R)
• M47: 14,396,252 km (0.096 R)
• M48: 14,581,753 km (0.092 R)
• M49: 14,805,252 km (0.047 R)
• M50: 15,558,777 km (0.109 R)
• M51: 16,324,868 km (0.095 R)
• M52: 16,712,476 km (0.079 R)
• M53: 16,985,641 km (0.091 R)
• M54: 17,576,104 km (0.102 R)
• M55: 17,814,114 km (0.088 R)
• M56: 19,061,013 km (0.061 R)
• M57: 19,963,088 km (0.105 R)
• M58: 20,169,982 km (0.076 R)
• M59: 20,294,597 km (0.08 R)
• M60: 20,963,000 km (0.08 R)
• M61: 21,553,762 km (0.099 R)
• M62: 22,150,059 km (0.07 R)
• M63: 23,752,103 km (0.034 R)
• M64: 24,500,690 km (0.07 R)
• M65: 25,750,581 km (0.065 R)
• M66: 25,885,668 km (0.078 R)
• M67: 26,701,574 km (0.071 R)
• M68: 28,265,620 km (0.119 R)
• M69: 28,965,140 km (0.066 R)
• M70: 30,571,671 km (0.113 R)
• M71: 30,714,687 km (0.109 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 18,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit