🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.69 AU - 0.95 AU

Year: 274 Days

Day: 32.2 Hours

Environment

Temp: 176 °C

Axial Tilt: 4.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.14 AU - 1.44 AU

Year: 541 Days

Day: 32.8 Hours

Environment

Temp: -15 °C

Axial Tilt: 14.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 58,344,950 km

• M1: 24,384 km (0.084 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.34 AU - 1.38 AU

Year: 585 Days

Day: 14.1 Hours

Environment

Temp: -37 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 58,344,950 km

• M1: 144,063 km (0.115 R)
• M2: 372,050 km (0.044 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.25 AU - 4.51 AU

Year: 3382 Days

Day: 26 Hours

Environment

Temp: -127 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.5

Radius: 11

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 10.66 AU - 10.84 AU

Year: 13004 Days

Day: 8.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,344,950 km

• M1: 142,866 km (0.059 R)
• M2: 901,926 km (0.1 R)
• M3: 1,334,114 km (0.087 R)
• M4: 1,938,938 km (0.115 R)
• M5: 4,003,538 km (0.071 R)
• M6: 4,961,264 km (0.107 R)
• M7: 5,405,719 km (0.058 R)
• M8: 5,951,602 km (0.108 R)
• M9: 6,494,044 km (0.096 R)
• M10: 8,753,719 km (0.061 R)
• M11: 9,353,457 km (0.083 R)
• M12: 9,927,165 km (0.115 R)
• M13: 10,859,908 km (0.11 R)
• M14: 12,274,804 km (0.117 R)
• M15: 12,647,004 km (0.071 R)
• M16: 13,155,038 km (0.096 R)
• M17: 14,144,179 km (0.109 R)
• M18: 15,828,951 km (0.058 R)
• M19: 20,446,439 km (0.098 R)
• M20: 21,592,358 km (0.101 R)
• M21: 23,343,701 km (0.105 R)
• M22: 26,094,357 km (0.111 R)
• M23: 27,653,466 km (0.11 R)
• M24: 28,294,193 km (0.099 R)
• M25: 33,539,843 km (0.072 R)
• M26: 34,146,462 km (0.117 R)
• M27: 34,513,874 km (0.103 R)
• M28: 36,263,721 km (0.101 R)
• M29: 37,549,215 km (0.094 R)
• M30: 37,940,713 km (0.101 R)
• M31: 50,517,256 km (0.081 R)
• M32: 52,770,350 km (0.094 R)
• M33: 56,104,288 km (0.098 R)
• M34: 56,959,090 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 14,530 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit