🌌 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: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.52 AU - 0.62 AU

Year: 159 Days

Day: 12.4 Hours

Environment

Temp: 153 °C

Axial Tilt: 12.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 110,253,214 km

• M1: 44,879 km (0.081 R)
• M2: 285,882 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.58 AU - 0.66 AU

Year: 180 Days

Day: 45.8 Hours

Environment

Temp: 214 °C

Axial Tilt: 36.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 110,253,214 km

• M1: 34,856 km (0.058 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.65 AU - 0.95 AU

Year: 264 Days

Day: 31.1 Hours

Environment

Temp: 162 °C

Axial Tilt: 33.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.87 AU - 0.89 AU

Year: 305 Days

Day: 45.8 Hours

Environment

Temp: 98 °C

Axial Tilt: 13.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.34 AU - 2.48 AU

Year: 1380 Days

Day: 33.2 Hours

Environment

Temp: -78 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 110,253,214 km

• M1: 35,604 km (0.082 R)
• M2: 660,175 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.3

Radius: 12.5

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 9.24 AU - 12.98 AU

Year: 13663 Days

Day: 12.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 110,253,214 km

• M1: 159,771 km (0.117 R)
• M2: 785,688 km (0.055 R)
• M3: 1,630,018 km (0.053 R)
• M4: 2,375,465 km (0.086 R)
• M5: 2,816,928 km (0.054 R)
• M6: 3,685,044 km (0.09 R)
• M7: 4,140,121 km (0.113 R)
• M8: 5,913,155 km (0.068 R)
• M9: 7,049,052 km (0.027 R)
• M10: 8,280,541 km (0.03 R)
• M11: 9,209,993 km (0.093 R)
• M12: 12,655,381 km (0.062 R)
• M13: 16,591,301 km (0.098 R)
• M14: 21,703,809 km (0.089 R)
• M15: 25,995,772 km (0.06 R)
• M16: 30,175,835 km (0.094 R)
• M17: 30,822,996 km (0.032 R)
• M18: 31,369,327 km (0.093 R)
• M19: 35,854,870 km (0.048 R)
• M20: 36,702,940 km (0.091 R)
• M21: 40,881,957 km (0.112 R)
• M22: 45,508,869 km (0.083 R)
• M23: 46,646,262 km (0.108 R)
• M24: 50,473,574 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.3

Radius: 13.4

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 8.69 AU - 14.11 AU

Year: 14202 Days

Day: 8.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 110,253,214 km

• M1: 168,597 km (0.101 R)
• M2: 801,545 km (0.117 R)
• M3: 1,247,796 km (0.117 R)
• M4: 1,776,475 km (0.116 R)
• M5: 2,472,554 km (0.074 R)
• M6: 3,012,004 km (0.045 R)
• M7: 4,699,617 km (0.089 R)
• M8: 5,799,610 km (0.12 R)
• M9: 7,259,386 km (0.034 R)
• M10: 8,075,443 km (0.101 R)
• M11: 10,234,439 km (0.063 R)
• M12: 11,260,980 km (0.09 R)
• M13: 12,582,079 km (0.025 R)
• M14: 20,378,521 km (0.03 R)
• M15: 25,872,054 km (0.063 R)
• M16: 30,901,235 km (0.098 R)
• M17: 35,849,634 km (0.115 R)
• M18: 42,197,670 km (0.097 R)
• M19: 42,844,830 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.8

Radius: 6.5

Gravity: 20.16 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 16.83 AU - 21.77 AU

Year: 31283 Days

Day: 24.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 110,253,214 km

• M1: 83,326 km (0.079 R)
• M2: 1,369,569 km (0.094 R)
• M3: 1,907,672 km (0.095 R)
• M4: 2,297,973 km (0.099 R)
• M5: 3,025,916 km (0.106 R)
• M6: 3,968,532 km (0.107 R)
• M7: 4,487,936 km (0.086 R)
• M8: 4,764,094 km (0.092 R)
• M9: 7,291,699 km (0.074 R)
• M10: 11,158,056 km (0.039 R)
• M11: 15,841,667 km (0.036 R)
• M12: 23,640,952 km (0.039 R)
• M13: 24,357,226 km (0.067 R)
• M14: 24,599,126 km (0.098 R)
• M15: 25,583,031 km (0.032 R)
• M16: 33,813,607 km (0.082 R)
• M17: 38,357,941 km (0.095 R)
• M18: 44,005,261 km (0.07 R)
• M19: 49,598,426 km (0.097 R)
• M20: 50,968,294 km (0.07 R)
• M21: 55,021,349 km (0.043 R)
• M22: 55,647,266 km (0.096 R)
• M23: 58,414,378 km (0.092 R)
• M24: 59,065,727 km (0.114 R)
• M25: 68,941,431 km (0.09 R)
• M26: 69,668,925 km (0.085 R)
• M27: 71,386,010 km (0.098 R)
• M28: 73,131,218 km (0.099 R)
• M29: 80,933,196 km (0.063 R)
• M30: 94,241,871 km (0.105 R)
• M31: 95,738,149 km (0.081 R)
• M32: 96,341,029 km (0.093 R)
• M33: 104,729,430 km (0.078 R)
• M34: 107,955,807 km (0.117 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 12,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit