🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.5 AU - 0.6 AU

Year: 268 Days

Day: 26.8 Hours

Environment

Temp: -115 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.2

Radius: 11.5

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.97 AU - 1.27 AU

Year: 778 Days

Day: 10.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,963,295 km

• M1: 143,016 km (0.105 R)
• M2: 641,775 km (0.099 R)
• M3: 1,086,380 km (0.098 R)
• M4: 1,444,218 km (0.044 R)
• M5: 1,917,994 km (0.081 R)
• M6: 2,505,465 km (0.12 R)
• M7: 3,184,639 km (0.116 R)
• M8: 4,133,389 km (0.116 R)
• M9: 5,762,061 km (0.086 R)
• M10: 6,417,449 km (0.099 R)
• M11: 7,144,046 km (0.114 R)
• M12: 7,504,577 km (0.062 R)
• M13: 8,092,347 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.2

Radius: 9.3

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.87 AU - 3.97 AU

Year: 5091 Days

Day: 12.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,963,295 km

• M1: 115,639 km (0.065 R)
• M2: 441,912 km (0.075 R)
• M3: 754,123 km (0.095 R)
• M4: 1,530,536 km (0.093 R)
• M5: 2,402,841 km (0.047 R)
• M6: 2,882,601 km (0.059 R)
• M7: 3,907,197 km (0.028 R)
• M8: 4,221,502 km (0.085 R)
• M9: 4,552,712 km (0.094 R)
• M10: 5,468,849 km (0.072 R)
• M11: 7,605,855 km (0.065 R)
• M12: 8,672,937 km (0.089 R)
• M13: 9,669,258 km (0.095 R)
• M14: 10,386,281 km (0.099 R)
• M15: 11,138,459 km (0.083 R)
• M16: 12,080,626 km (0.117 R)
• M17: 14,513,686 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.5

Radius: 6.4

Gravity: 24.01 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.33 AU - 6.85 AU

Year: 11098 Days

Day: 23.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,963,295 km

• M1: 79,586 km (0.083 R)
• M2: 282,890 km (0.116 R)
• M3: 522,097 km (0.064 R)
• M4: 1,689,858 km (0.092 R)
• M5: 2,140,895 km (0.066 R)
• M6: 2,604,200 km (0.047 R)
• M7: 3,896,426 km (0.105 R)
• M8: 4,778,754 km (0.095 R)
• M9: 5,180,425 km (0.07 R)
• M10: 6,601,904 km (0.114 R)
• M11: 8,032,059 km (0.081 R)
• M12: 8,503,442 km (0.082 R)
• M13: 13,609,666 km (0.108 R)
• M14: 15,324,656 km (0.117 R)
• M15: 16,420,161 km (0.119 R)
• M16: 19,094,971 km (0.094 R)
• M17: 21,237,512 km (0.107 R)
• M18: 21,504,993 km (0.112 R)
• M19: 22,969,556 km (0.08 R)
• M20: 25,892,399 km (0.102 R)
• M21: 26,197,729 km (0.107 R)
• M22: 26,608,524 km (0.04 R)
• M23: 27,337,664 km (0.113 R)
• M24: 27,654,214 km (0.108 R)
• M25: 28,080,119 km (0.088 R)
• M26: 31,529,995 km (0.064 R)
• M27: 31,761,872 km (0.054 R)
• M28: 37,412,931 km (0.088 R)
• M29: 39,257,324 km (0.072 R)
• M30: 50,179,315 km (0.087 R)
• M31: 52,908,429 km (0.067 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 17,995 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit