🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.58 AU - 0.76 AU

Year: 211 Days

Day: 16.8 Hours

Environment

Temp: 148 °C

Axial Tilt: 13.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,063,241 km

• M1: 37,100 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.72 AU - 0.94 AU

Year: 291 Days

Day: 13.2 Hours

Environment

Temp: 22 °C

Axial Tilt: 3.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 1.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.58 AU - 2.04 AU

Year: 938 Days

Day: 36.9 Hours

Environment

Temp: -80 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,063,241 km

• M1: 602,879 km (0.071 R)

Asteroid Belt

Center: 4.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.7

Radius: 8.5

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.99 AU - 7.63 AU

Year: 6103 Days

Day: 8.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,063,241 km

• M1: 105,766 km (0.058 R)
• M2: 409,749 km (0.057 R)
• M3: 727,195 km (0.039 R)
• M4: 1,503,309 km (0.102 R)
• M5: 1,864,887 km (0.088 R)
• M6: 2,796,134 km (0.086 R)
• M7: 3,364,905 km (0.104 R)
• M8: 3,772,709 km (0.111 R)
• M9: 4,467,591 km (0.091 R)
• M10: 4,799,997 km (0.048 R)
• M11: 7,519,088 km (0.061 R)
• M12: 10,152,759 km (0.041 R)
• M13: 11,989,970 km (0.039 R)
• M14: 12,809,766 km (0.111 R)
• M15: 13,121,080 km (0.083 R)
• M16: 15,293,989 km (0.093 R)
• M17: 17,423,664 km (0.047 R)
• M18: 18,305,992 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.5

Radius: 3.3

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 16.32 AU - 18 AU

Year: 27368 Days

Day: 23.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,063,241 km

• M1: 40,990 km (0.08 R)
• M2: 1,969,905 km (0.092 R)
• M3: 2,633,222 km (0.098 R)
• M4: 2,932,118 km (0.047 R)
• M5: 3,121,958 km (0.034 R)
• M6: 7,420,952 km (0.111 R)
• M7: 7,576,235 km (0.061 R)
• M8: 8,682,361 km (0.06 R)
• M9: 9,073,709 km (0.075 R)
• M10: 10,222,621 km (0.089 R)
• M11: 16,834,996 km (0.115 R)
• M12: 22,434,145 km (0.1 R)
• M13: 23,501,676 km (0.103 R)
• M14: 31,327,739 km (0.107 R)
• M15: 35,655,605 km (0.078 R)
• M16: 36,097,966 km (0.093 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 17,140 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit