🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.26 AU - 1.62 AU

Year: 644 Days

Day: 31.7 Hours

Environment

Temp: -35 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.3 AU - 1.9 AU

Year: 754 Days

Day: 35.5 Hours

Environment

Temp: -61 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.33 AU - 1.95 AU

Year: 783 Days

Day: 31.8 Hours

Environment

Temp: -59 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.52 AU - 2.24 AU

Year: 961 Days

Day: 34.2 Hours

Environment

Temp: -64 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,867,641 km

• M1: 41,289 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.7

Radius: 9.6

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.94 AU - 5.78 AU

Year: 3994 Days

Day: 14.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 25,867,641 km

• M1: 119,529 km (0.117 R)
• M2: 540,946 km (0.104 R)
• M3: 946,506 km (0.102 R)
• M4: 1,449,603 km (0.071 R)
• M5: 1,752,240 km (0.082 R)
• M6: 2,977,596 km (0.09 R)
• M7: 3,344,709 km (0.08 R)
• M8: 3,644,503 km (0.1 R)
• M9: 4,086,415 km (0.056 R)
• M10: 5,274,223 km (0.117 R)
• M11: 6,561,961 km (0.119 R)
• M12: 6,884,644 km (0.101 R)
• M13: 7,786,120 km (0.071 R)
• M14: 8,248,677 km (0.114 R)
• M15: 8,799,646 km (0.063 R)
• M16: 9,975,186 km (0.107 R)
• M17: 10,720,931 km (0.073 R)
• M18: 11,252,303 km (0.104 R)
• M19: 12,147,646 km (0.069 R)
• M20: 14,568,439 km (0.081 R)
• M21: 15,017,831 km (0.029 R)
• M22: 18,196,786 km (0.109 R)
• M23: 18,835,419 km (0.07 R)
• M24: 19,189,966 km (0.118 R)
• M25: 20,904,058 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.3

Radius: 9.5

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.79 AU - 8.71 AU

Year: 7277 Days

Day: 14.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,867,641 km

• M1: 118,182 km (0.095 R)
• M2: 465,249 km (0.12 R)
• M3: 930,648 km (0.101 R)
• M4: 1,645,577 km (0.106 R)
• M5: 2,165,429 km (0.107 R)
• M6: 5,763,856 km (0.12 R)
• M7: 6,078,461 km (0.097 R)
• M8: 7,124,599 km (0.115 R)
• M9: 7,420,503 km (0.103 R)
• M10: 8,178,964 km (0.11 R)
• M11: 8,613,845 km (0.101 R)
• M12: 9,609,419 km (0.119 R)
• M13: 10,300,711 km (0.072 R)
• M14: 12,290,662 km (0.116 R)
• M15: 15,271,250 km (0.091 R)
• M16: 17,546,334 km (0.09 R)
• M17: 20,829,858 km (0.117 R)
• M18: 22,195,088 km (0.095 R)
• M19: 23,910,976 km (0.026 R)
• M20: 25,178,668 km (0.029 R)
• M21: 25,559,843 km (0.093 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 12,885 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit