🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.5

Radius: 8.4

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.57 AU - 0.81 AU

Year: 364 Days

Day: 14.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 13,699,589 km

• M1: 104,419 km (0.047 R)
• M2: 412,591 km (0.096 R)
• M3: 836,102 km (0.052 R)
• M4: 1,132,157 km (0.117 R)
• M5: 1,473,838 km (0.104 R)
• M6: 1,784,703 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.4

Radius: 15

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.67 AU - 0.77 AU

Year: 388 Days

Day: 9 Hours

Environment

Temp: -135 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 13,699,589 km

• M1: 186,698 km (0.08 R)
• M2: 667,207 km (0.101 R)
• M3: 1,178,532 km (0.114 R)
• M4: 1,793,978 km (0.108 R)
• M5: 2,267,006 km (0.029 R)
• M6: 3,026,963 km (0.059 R)
• M7: 3,632,984 km (0.066 R)
• M8: 4,829,468 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.4

Radius: 12.9

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.98 AU - 1.08 AU

Year: 665 Days

Day: 14.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 13,699,589 km

• M1: 161,715 km (0.119 R)
• M2: 622,178 km (0.079 R)
• M3: 1,271,881 km (0.09 R)
• M4: 2,084,347 km (0.027 R)
• M5: 2,526,708 km (0.096 R)
• M6: 3,230,416 km (0.047 R)
• M7: 5,423,372 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70

Radius: 12.2

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.36 AU - 1.94 AU

Year: 1348 Days

Day: 7.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 152.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 13,699,589 km

• M1: 151,692 km (0.113 R)
• M2: 1,706,014 km (0.112 R)
• M3: 2,365,890 km (0.107 R)
• M4: 2,771,600 km (0.066 R)
• M5: 3,315,837 km (0.106 R)
• M6: 4,102,572 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.2

Radius: 14.8

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.46 AU - 2.04 AU

Year: 1472 Days

Day: 13.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 13,699,589 km

• M1: 184,155 km (0.11 R)
• M2: 992,133 km (0.1 R)
• M3: 1,723,667 km (0.109 R)
• M4: 2,250,700 km (0.068 R)
• M5: 2,788,504 km (0.097 R)
• M6: 3,370,590 km (0.114 R)
• M7: 4,080,731 km (0.075 R)
• M8: 4,660,123 km (0.084 R)
• M9: 5,144,372 km (0.027 R)
• M10: 5,622,935 km (0.113 R)
• M11: 6,407,576 km (0.119 R)
• M12: 7,124,150 km (0.105 R)
• M13: 9,014,618 km (0.06 R)
• M14: 9,627,969 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.4

Radius: 13.2

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.14 AU - 2.3 AU

Year: 2103 Days

Day: 13.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 13,699,589 km

• M1: 165,904 km (0.036 R)
• M2: 671,694 km (0.065 R)
• M3: 1,144,873 km (0.062 R)
• M4: 2,268,502 km (0.112 R)
• M5: 2,755,144 km (0.113 R)
• M6: 3,609,647 km (0.029 R)
• M7: 4,134,885 km (0.117 R)
• M8: 5,069,872 km (0.095 R)
• M9: 5,490,092 km (0.081 R)
• M10: 5,911,061 km (0.12 R)
• M11: 6,546,403 km (0.029 R)
• M12: 7,046,060 km (0.103 R)
• M13: 7,954,268 km (0.072 R)
• M14: 8,641,222 km (0.08 R)
• M15: 10,134,059 km (0.076 R)
• M16: 10,907,480 km (0.104 R)
• M17: 11,361,958 km (0.08 R)
• M18: 12,686,647 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.8

Radius: 13.1

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.24 AU - 2.36 AU

Year: 2218 Days

Day: 8.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 13,699,589 km

• M1: 162,912 km (0.064 R)
• M2: 628,161 km (0.116 R)
• M3: 1,094,907 km (0.109 R)
• M4: 1,589,328 km (0.096 R)
• M5: 2,321,011 km (0.026 R)
• M6: 2,780,127 km (0.07 R)
• M7: 3,741,144 km (0.106 R)
• M8: 4,202,503 km (0.098 R)
• M9: 5,399,137 km (0.11 R)
• M10: 5,893,408 km (0.091 R)
• M11: 6,731,455 km (0.085 R)
• M12: 11,497,943 km (0.071 R)
• M13: 11,962,743 km (0.062 R)
• M14: 12,683,356 km (0.067 R)
• M15: 13,137,835 km (0.1 R)
• M16: 14,167,367 km (0.099 R)
• M17: 15,388,983 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151

Radius: 14.7

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.6 AU - 3.34 AU

Year: 3254 Days

Day: 7.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 13,699,589 km

• M1: 182,809 km (0.091 R)
• M2: 762,351 km (0.116 R)
• M3: 1,242,560 km (0.036 R)
• M4: 1,763,310 km (0.113 R)
• M5: 3,030,105 km (0.093 R)
• M6: 3,692,973 km (0.066 R)
• M7: 4,303,033 km (0.082 R)
• M8: 6,450,361 km (0.104 R)
• M9: 7,181,595 km (0.078 R)
• M10: 9,331,466 km (0.045 R)
• M11: 10,708,216 km (0.088 R)
• M12: 11,589,796 km (0.112 R)
• M13: 12,367,256 km (0.104 R)
• M14: 13,337,847 km (0.083 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 17,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit