🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.65 AU - 0.79 AU

Year: 218 Days

Day: 27.6 Hours

Environment

Temp: 217 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.29 AU - 1.69 AU

Year: 648 Days

Day: 32.9 Hours

Environment

Temp: -25 °C

Axial Tilt: 41.7 °

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: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.28 AU - 1.92 AU

Year: 721 Days

Day: 44.5 Hours

Environment

Temp: -34 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.7

Radius: 14

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.06 AU - 8.5 AU

Year: 7735 Days

Day: 13.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,132,143 km

• M1: 174,132 km (0.113 R)
• M2: 618,587 km (0.112 R)
• M3: 1,799,812 km (0.086 R)
• M4: 2,777,284 km (0.073 R)
• M5: 3,291,303 km (0.074 R)
• M6: 5,830,727 km (0.068 R)
• M7: 6,311,684 km (0.103 R)
• M8: 7,317,281 km (0.074 R)
• M9: 9,001,753 km (0.114 R)
• M10: 11,124,995 km (0.053 R)
• M11: 12,226,036 km (0.1 R)
• M12: 12,963,703 km (0.049 R)
• M13: 13,508,538 km (0.063 R)
• M14: 15,116,266 km (0.074 R)
• M15: 18,435,245 km (0.101 R)
• M16: 19,618,265 km (0.119 R)
• M17: 34,682,022 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.8

Radius: 7.9

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 12.35 AU - 18.79 AU

Year: 21899 Days

Day: 20.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,132,143 km

• M1: 98,286 km (0.073 R)
• M2: 362,775 km (0.097 R)
• M3: 1,248,544 km (0.078 R)
• M4: 3,667,242 km (0.058 R)
• M5: 4,120,374 km (0.086 R)
• M6: 4,782,195 km (0.076 R)
• M7: 5,323,440 km (0.087 R)
• M8: 6,745,368 km (0.093 R)
• M9: 7,332,839 km (0.092 R)
• M10: 10,260,020 km (0.086 R)
• M11: 10,673,509 km (0.104 R)
• M12: 13,673,096 km (0.096 R)
• M13: 14,029,588 km (0.082 R)
• M14: 14,761,420 km (0.097 R)
• M15: 22,335,112 km (0.112 R)
• M16: 26,062,941 km (0.096 R)
• M17: 34,067,474 km (0.106 R)
• M18: 35,924,732 km (0.116 R)
• M19: 37,708,986 km (0.073 R)
• M20: 39,120,890 km (0.101 R)
• M21: 41,156,469 km (0.099 R)
• M22: 44,652,272 km (0.096 R)
• M23: 50,683,011 km (0.112 R)
• M24: 51,709,551 km (0.036 R)
• M25: 52,749,855 km (0.101 R)
• M26: 65,129,677 km (0.043 R)
• M27: 69,861,158 km (0.118 R)

Kuiper Belt

Range: 30.8 - 46.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 12,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit