🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.65 AU - 0.81 AU

Year: 263 Days

Day: 39.4 Hours

Environment

Temp: 21 °C

Axial Tilt: 154.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.69 AU - 1.85 AU

Year: 993 Days

Day: 15.4 Hours

Environment

Temp: -109 °C

Axial Tilt: 6.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.81 AU - 1.95 AU

Year: 1087 Days

Day: 16.1 Hours

Environment

Temp: -103 °C

Axial Tilt: 146 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 52,693,153 km

• M1: 167,998 km (0.037 R)
• M2: 227,090 km (0.08 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2 AU - 2.38 AU

Year: 1367 Days

Day: 28.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,693,153 km

• M1: 689,048 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321.9

Radius: 6.6

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 10.41 AU - 12.93 AU

Year: 16814 Days

Day: 20.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,693,153 km

• M1: 101,727 km (0.102 R)
• M2: 426,055 km (0.074 R)
• M3: 673,340 km (0.105 R)
• M4: 924,066 km (0.106 R)
• M5: 1,237,025 km (0.097 R)
• M6: 2,991,808 km (0.075 R)
• M7: 3,251,211 km (0.105 R)
• M8: 3,577,035 km (0.12 R)
• M9: 4,235,864 km (0.1 R)
• M10: 5,203,014 km (0.118 R)
• M11: 9,774,126 km (0.081 R)
• M12: 10,031,884 km (0.062 R)
• M13: 10,241,321 km (0.06 R)
• M14: 16,918,322 km (0.119 R)
• M15: 19,965,481 km (0.071 R)
• M16: 24,382,658 km (0.078 R)
• M17: 26,716,983 km (0.106 R)
• M18: 29,516,707 km (0.082 R)
• M19: 30,273,224 km (0.116 R)
• M20: 32,505,972 km (0.11 R)
• M21: 37,296,395 km (0.066 R)
• M22: 37,799,941 km (0.107 R)
• M23: 41,317,436 km (0.107 R)
• M24: 45,475,060 km (0.058 R)
• M25: 45,761,689 km (0.107 R)
• M26: 47,507,197 km (0.107 R)
• M27: 52,378,104 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 19,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit