🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.46 AU - 2.98 AU

Year: 1562 Days

Day: 34.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.95 AU - 3.25 AU

Year: 1901 Days

Day: 42.9 Hours

Environment

Temp: -95 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.9 AU - 4.32 AU

Year: 2389 Days

Day: 18.1 Hours

Environment

Temp: -102 °C

Axial Tilt: 43.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53

Radius: 12.3

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.13 AU - 12.37 AU

Year: 11428 Days

Day: 11 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,893,543 km

• M1: 174,431 km (0.095 R)
• M2: 560,992 km (0.112 R)
• M3: 986,598 km (0.08 R)
• M4: 1,669,961 km (0.099 R)
• M5: 2,160,044 km (0.109 R)
• M6: 3,059,875 km (0.078 R)
• M7: 3,702,996 km (0.11 R)
• M8: 5,285,592 km (0.113 R)
• M9: 5,830,427 km (0.106 R)
• M10: 6,556,725 km (0.075 R)
• M11: 7,033,045 km (0.113 R)
• M12: 8,708,092 km (0.104 R)
• M13: 9,321,443 km (0.103 R)
• M14: 10,354,865 km (0.053 R)
• M15: 11,590,993 km (0.09 R)
• M16: 14,256,378 km (0.102 R)
• M17: 15,943,094 km (0.096 R)
• M18: 16,425,248 km (0.118 R)
• M19: 17,475,425 km (0.091 R)
• M20: 18,805,799 km (0.1 R)
• M21: 19,831,741 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.9

Radius: 9.9

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 9.96 AU - 12.54 AU

Year: 13141 Days

Day: 8 Hours

Environment

Temp: -166 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,893,543 km

• M1: 123,269 km (0.113 R)
• M2: 580,141 km (0.094 R)
• M3: 980,764 km (0.05 R)
• M4: 1,299,557 km (0.048 R)
• M5: 2,350,183 km (0.097 R)
• M6: 3,077,677 km (0.085 R)
• M7: 3,402,903 km (0.076 R)
• M8: 4,975,476 km (0.101 R)
• M9: 5,533,476 km (0.092 R)
• M10: 6,691,962 km (0.085 R)
• M11: 7,505,176 km (0.048 R)
• M12: 10,396,454 km (0.101 R)
• M13: 14,437,092 km (0.103 R)
• M14: 15,718,248 km (0.062 R)
• M15: 16,919,220 km (0.065 R)
• M16: 19,083,153 km (0.101 R)
• M17: 24,540,484 km (0.086 R)
• M18: 25,037,448 km (0.036 R)
• M19: 26,257,418 km (0.09 R)
• M20: 26,777,420 km (0.117 R)
• M21: 27,410,219 km (0.095 R)
• M22: 32,241,782 km (0.054 R)
• M23: 32,598,722 km (0.069 R)
• M24: 34,422,769 km (0.069 R)
• M25: 36,959,351 km (0.096 R)
• M26: 40,716,352 km (0.104 R)
• M27: 44,279,324 km (0.073 R)
• M28: 46,362,774 km (0.106 R)
• M29: 48,979,540 km (0.111 R)
• M30: 49,451,222 km (0.053 R)
• M31: 51,693,095 km (0.091 R)
• M32: 56,206,463 km (0.109 R)

Kuiper Belt

Range: 31.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 15,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit