🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.92 AU - 1.4 AU

Year: 443 Days

Day: 20.9 Hours

Environment

Temp: 28 °C

Axial Tilt: 35.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.01 AU - 1.47 AU

Year: 490 Days

Day: 24.1 Hours

Environment

Temp: 3 °C

Axial Tilt: 14.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.6 AU - 1.6 AU

Year: 718 Days

Day: 30.1 Hours

Environment

Temp: -27 °C

Axial Tilt: 58.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,815,988 km

• M1: 72,854 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.96 AU - 3.38 AU

Year: 2002 Days

Day: 38.7 Hours

Environment

Temp: -90 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.1

Radius: 12.3

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.85 AU - 9.41 AU

Year: 8994 Days

Day: 5.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,815,988 km

• M1: 181,013 km (0.027 R)
• M2: 901,327 km (0.108 R)
• M3: 1,372,411 km (0.058 R)
• M4: 2,300,666 km (0.088 R)
• M5: 3,248,817 km (0.076 R)
• M6: 4,255,162 km (0.046 R)
• M7: 5,335,258 km (0.061 R)
• M8: 6,106,735 km (0.09 R)
• M9: 7,673,324 km (0.06 R)
• M10: 9,493,182 km (0.106 R)
• M11: 9,954,841 km (0.115 R)
• M12: 12,059,384 km (0.114 R)
• M13: 13,792,475 km (0.067 R)
• M14: 17,540,201 km (0.107 R)
• M15: 21,129,652 km (0.111 R)
• M16: 21,998,217 km (0.101 R)
• M17: 23,303,608 km (0.057 R)
• M18: 24,746,629 km (0.115 R)
• M19: 25,711,536 km (0.114 R)
• M20: 27,159,643 km (0.081 R)
• M21: 27,623,097 km (0.049 R)
• M22: 30,020,254 km (0.118 R)
• M23: 30,515,871 km (0.045 R)
• M24: 32,035,337 km (0.104 R)
• M25: 34,031,870 km (0.11 R)
• M26: 36,333,583 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.5

Radius: 13.1

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 7.71 AU - 9.75 AU

Year: 9151 Days

Day: 13 Hours

Environment

Temp: -159 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,815,988 km

• M1: 162,912 km (0.11 R)
• M2: 619,934 km (0.117 R)
• M3: 1,243,009 km (0.076 R)
• M4: 2,070,285 km (0.041 R)
• M5: 2,813,786 km (0.112 R)
• M6: 3,488,622 km (0.107 R)
• M7: 5,304,591 km (0.041 R)
• M8: 9,213,284 km (0.026 R)
• M9: 10,249,997 km (0.108 R)
• M10: 11,411,026 km (0.086 R)
• M11: 13,502,255 km (0.034 R)
• M12: 16,818,690 km (0.112 R)
• M13: 19,036,628 km (0.117 R)
• M14: 21,591,012 km (0.117 R)
• M15: 24,688,286 km (0.027 R)
• M16: 26,512,483 km (0.082 R)

Kuiper Belt

Range: 30.9 - 47.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 11,620 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit