🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.53 AU - 0.61 AU

Year: 161 Days

Day: 34.1 Hours

Environment

Temp: 178 °C

Axial Tilt: 36.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.7 AU - 1.1 AU

Year: 320 Days

Day: 19.6 Hours

Environment

Temp: 36 °C

Axial Tilt: 1.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 34,158,680 km

• M1: 112,946 km (0.103 R)
• M2: 468,840 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.3 AU - 2.5 AU

Year: 1393 Days

Day: 43.5 Hours

Environment

Temp: -92 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.74 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.7

Radius: 13.2

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.92 AU - 6.24 AU

Year: 4291 Days

Day: 5.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,158,680 km

• M1: 238,160 km (0.102 R)
• M2: 832,063 km (0.057 R)
• M3: 1,516,922 km (0.089 R)
• M4: 1,946,717 km (0.027 R)
• M5: 2,394,314 km (0.049 R)
• M6: 3,738,301 km (0.101 R)
• M7: 4,926,707 km (0.086 R)
• M8: 5,829,829 km (0.038 R)
• M9: 6,873,873 km (0.029 R)
• M10: 8,113,590 km (0.11 R)
• M11: 8,571,360 km (0.092 R)
• M12: 10,355,613 km (0.034 R)
• M13: 14,095,859 km (0.043 R)
• M14: 18,458,133 km (0.096 R)
• M15: 18,918,745 km (0.092 R)
• M16: 20,346,806 km (0.107 R)
• M17: 30,460,370 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.8

Radius: 12.4

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.42 AU - 7.18 AU

Year: 5234 Days

Day: 8.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,158,680 km

• M1: 160,219 km (0.109 R)
• M2: 595,549 km (0.087 R)
• M3: 1,036,115 km (0.09 R)
• M4: 1,807,741 km (0.108 R)
• M5: 2,727,917 km (0.066 R)
• M6: 3,294,295 km (0.1 R)
• M7: 4,744,945 km (0.055 R)
• M8: 5,538,562 km (0.08 R)
• M9: 7,759,193 km (0.052 R)
• M10: 8,416,227 km (0.094 R)
• M11: 10,244,761 km (0.115 R)
• M12: 12,324,770 km (0.069 R)
• M13: 12,899,226 km (0.119 R)
• M14: 15,982,737 km (0.036 R)
• M15: 17,369,360 km (0.099 R)
• M16: 19,527,309 km (0.111 R)
• M17: 20,816,843 km (0.096 R)
• M18: 21,632,450 km (0.094 R)
• M19: 27,242,071 km (0.079 R)
• M20: 31,381,594 km (0.115 R)
• M21: 32,849,598 km (0.064 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: 429 - 18,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit