🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.54 AU - 0.66 AU

Year: 300 Days

Day: 29 Hours

Environment

Temp: -133 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.57 AU - 0.75 AU

Year: 346 Days

Day: 47.9 Hours

Environment

Temp: -124 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.3

Radius: 10.4

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.94 AU - 1.18 AU

Year: 705 Days

Day: 5.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,413,235 km

• M1: 129,402 km (0.104 R)
• M2: 476,619 km (0.088 R)
• M3: 833,260 km (0.047 R)
• M4: 1,294,770 km (0.09 R)
• M5: 1,745,358 km (0.116 R)
• M6: 2,289,147 km (0.104 R)
• M7: 2,689,919 km (0.085 R)
• M8: 3,039,230 km (0.069 R)
• M9: 3,379,416 km (0.112 R)
• M10: 3,773,457 km (0.062 R)
• M11: 4,137,578 km (0.114 R)
• M12: 4,819,295 km (0.095 R)
• M13: 5,248,940 km (0.078 R)
• M14: 5,798,413 km (0.104 R)
• M15: 7,363,058 km (0.053 R)
• M16: 7,841,023 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.5

Radius: 13.9

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.02 AU - 3.96 AU

Year: 4210 Days

Day: 11.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,413,235 km

• M1: 172,935 km (0.059 R)
• M2: 615,745 km (0.105 R)
• M3: 2,085,544 km (0.058 R)
• M4: 4,826,925 km (0.118 R)
• M5: 5,983,915 km (0.034 R)
• M6: 6,999,984 km (0.109 R)
• M7: 7,453,714 km (0.092 R)
• M8: 8,070,207 km (0.096 R)
• M9: 8,660,071 km (0.061 R)
• M10: 9,729,098 km (0.073 R)
• M11: 10,535,280 km (0.053 R)
• M12: 13,877,746 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.4

Radius: 13.5

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.4 AU - 6.24 AU

Year: 9066 Days

Day: 13.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,413,235 km

• M1: 167,849 km (0.091 R)
• M2: 1,268,740 km (0.059 R)
• M3: 2,268,652 km (0.089 R)
• M4: 5,412,750 km (0.104 R)
• M5: 6,986,819 km (0.046 R)
• M6: 8,194,223 km (0.115 R)
• M7: 9,144,918 km (0.107 R)
• M8: 13,031,171 km (0.048 R)
• M9: 13,527,986 km (0.11 R)
• M10: 15,276,187 km (0.113 R)
• M11: 16,204,741 km (0.103 R)
• M12: 21,573,958 km (0.101 R)
• M13: 23,221,928 km (0.092 R)
• M14: 27,843,156 km (0.087 R)
• M15: 29,228,133 km (0.065 R)
• M16: 32,942,050 km (0.058 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 12,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit