🌌 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: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.53 AU - 0.81 AU

Year: 194 Days

Day: 31.5 Hours

Environment

Temp: 181 °C

Axial Tilt: 13.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 50,266,022 km

• M1: 22,140 km (0.098 R)
• M2: 174,880 km (0.064 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.91 AU - 0.99 AU

Year: 327 Days

Day: 25.2 Hours

Environment

Temp: 151 °C

Axial Tilt: 39.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,266,022 km

• M1: 49,816 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.15 AU - 1.59 AU

Year: 566 Days

Day: 22.4 Hours

Environment

Temp: -9 °C

Axial Tilt: 15.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.76 AU - 2.94 AU

Year: 1272 Days

Day: 21 Hours

Environment

Temp: -71 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.5

Radius: 13.8

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 8 AU - 11.38 AU

Year: 10651 Days

Day: 11.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,266,022 km

• M1: 171,589 km (0.076 R)
• M2: 845,976 km (0.068 R)
• M3: 2,077,765 km (0.104 R)
• M4: 3,076,031 km (0.103 R)
• M5: 3,709,878 km (0.093 R)
• M6: 4,778,754 km (0.106 R)
• M7: 5,973,892 km (0.12 R)
• M8: 6,736,093 km (0.08 R)
• M9: 7,400,008 km (0.097 R)
• M10: 9,802,251 km (0.079 R)
• M11: 11,833,790 km (0.107 R)
• M12: 14,831,582 km (0.108 R)
• M13: 15,754,451 km (0.088 R)
• M14: 21,280,746 km (0.112 R)
• M15: 22,970,903 km (0.096 R)
• M16: 24,931,682 km (0.118 R)
• M17: 25,578,394 km (0.091 R)
• M18: 30,527,989 km (0.068 R)
• M19: 32,456,006 km (0.102 R)
• M20: 36,317,127 km (0.077 R)
• M21: 37,148,442 km (0.051 R)
• M22: 37,749,975 km (0.1 R)
• M23: 42,536,509 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.5

Radius: 4.8

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 14.43 AU - 16.31 AU

Year: 21277 Days

Day: 18.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,266,022 km

• M1: 82,578 km (0.082 R)
• M2: 328,816 km (0.114 R)
• M3: 1,470,248 km (0.102 R)
• M4: 1,981,274 km (0.061 R)
• M5: 3,469,623 km (0.103 R)
• M6: 4,634,692 km (0.093 R)
• M7: 4,788,927 km (0.094 R)
• M8: 5,930,359 km (0.091 R)
• M9: 11,738,047 km (0.107 R)
• M10: 13,282,795 km (0.08 R)
• M11: 17,727,048 km (0.108 R)
• M12: 34,625,026 km (0.094 R)
• M13: 39,027,392 km (0.068 R)
• M14: 43,788,643 km (0.047 R)

Kuiper Belt

Range: 31.1 - 61.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 10,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit