🌌 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: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.51 AU - 0.63 AU

Year: 151 Days

Day: 41.6 Hours

Environment

Temp: 237 °C

Axial Tilt: 8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,320,291 km

• M1: 18,700 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.73 AU - 0.81 AU

Year: 237 Days

Day: 16.7 Hours

Environment

Temp: 168 °C

Axial Tilt: 33 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.01 AU - 1.03 AU

Year: 362 Days

Day: 13.3 Hours

Environment

Temp: 91 °C

Axial Tilt: 14.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.12 AU - 3.7 AU

Year: 2213 Days

Day: 36.4 Hours

Environment

Temp: -109 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.8

Radius: 11.9

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 8.89 AU - 10.55 AU

Year: 10651 Days

Day: 5.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,320,291 km

• M1: 147,952 km (0.087 R)
• M2: 561,441 km (0.053 R)
• M3: 1,155,045 km (0.1 R)
• M4: 1,715,140 km (0.103 R)
• M5: 2,364,095 km (0.049 R)
• M6: 2,785,512 km (0.119 R)
• M7: 3,616,379 km (0.045 R)
• M8: 4,128,602 km (0.107 R)
• M9: 6,262,915 km (0.105 R)
• M10: 8,123,613 km (0.12 R)
• M11: 9,136,989 km (0.055 R)
• M12: 10,091,274 km (0.062 R)
• M13: 10,961,036 km (0.032 R)
• M14: 11,671,476 km (0.105 R)
• M15: 12,905,210 km (0.115 R)
• M16: 14,703,077 km (0.109 R)
• M17: 16,076,535 km (0.099 R)
• M18: 16,860,727 km (0.11 R)
• M19: 17,330,016 km (0.091 R)
• M20: 19,149,425 km (0.117 R)
• M21: 23,745,072 km (0.101 R)
• M22: 24,934,674 km (0.108 R)
• M23: 26,883,635 km (0.091 R)
• M24: 27,802,315 km (0.08 R)
• M25: 33,128,598 km (0.117 R)
• M26: 35,045,246 km (0.086 R)
• M27: 38,749,140 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.5

Radius: 8.6

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.72 AU - 12.32 AU

Year: 11148 Days

Day: 12.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,320,291 km

• M1: 106,962 km (0.095 R)
• M2: 514,018 km (0.118 R)
• M3: 1,071,869 km (0.088 R)
• M4: 1,571,825 km (0.057 R)
• M5: 2,750,656 km (0.073 R)
• M6: 3,185,836 km (0.118 R)
• M7: 3,763,284 km (0.093 R)
• M8: 4,830,066 km (0.061 R)
• M9: 5,156,040 km (0.053 R)
• M10: 5,753,833 km (0.053 R)
• M11: 7,392,379 km (0.096 R)
• M12: 9,320,546 km (0.094 R)
• M13: 11,251,106 km (0.067 R)
• M14: 15,949,975 km (0.104 R)
• M15: 16,276,847 km (0.065 R)
• M16: 20,173,871 km (0.094 R)
• M17: 21,652,945 km (0.034 R)
• M18: 26,614,209 km (0.094 R)
• M19: 27,916,159 km (0.052 R)
• M20: 30,046,882 km (0.104 R)
• M21: 30,646,321 km (0.087 R)
• M22: 30,949,107 km (0.116 R)
• M23: 36,180,095 km (0.07 R)
• M24: 37,200,951 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.2

Radius: 12.5

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 11.5 AU - 13.1 AU

Year: 15161 Days

Day: 10.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,320,291 km

• M1: 155,731 km (0.081 R)
• M2: 555,756 km (0.09 R)
• M3: 1,167,462 km (0.119 R)
• M4: 1,619,846 km (0.105 R)
• M5: 2,554,084 km (0.118 R)
• M6: 3,558,036 km (0.109 R)
• M7: 5,364,131 km (0.059 R)
• M8: 6,525,758 km (0.109 R)
• M9: 7,291,101 km (0.096 R)
• M10: 8,115,385 km (0.057 R)
• M11: 10,053,127 km (0.082 R)
• M12: 11,018,930 km (0.113 R)
• M13: 16,506,180 km (0.113 R)
• M14: 20,331,697 km (0.035 R)
• M15: 21,524,890 km (0.103 R)
• M16: 24,616,629 km (0.075 R)
• M17: 26,467,454 km (0.072 R)
• M18: 27,889,381 km (0.039 R)
• M19: 29,468,836 km (0.085 R)
• M20: 30,225,951 km (0.095 R)
• M21: 33,618,681 km (0.062 R)
• M22: 40,086,993 km (0.085 R)
• M23: 46,026,178 km (0.103 R)
• M24: 47,486,852 km (0.116 R)
• M25: 48,378,007 km (0.067 R)
• M26: 52,054,524 km (0.026 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 14,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit