🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.5

Radius: 10.4

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.59 AU - 0.99 AU

Year: 468 Days

Day: 14.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 14,046,910 km

• M1: 134,339 km (0.052 R)
• M2: 477,068 km (0.06 R)
• M3: 1,026,989 km (0.105 R)
• M4: 1,401,283 km (0.075 R)
• M5: 1,885,681 km (0.025 R)
• M6: 2,264,164 km (0.07 R)
• M7: 2,861,957 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.5

Radius: 10

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.71 AU - 1.15 AU

Year: 598 Days

Day: 12.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,046,910 km

• M1: 124,615 km (0.115 R)
• M2: 469,438 km (0.108 R)
• M3: 801,695 km (0.071 R)
• M4: 1,170,155 km (0.076 R)
• M5: 1,556,566 km (0.076 R)
• M6: 2,236,638 km (0.099 R)
• M7: 2,709,217 km (0.1 R)
• M8: 3,091,889 km (0.056 R)
• M9: 3,510,613 km (0.067 R)
• M10: 4,253,516 km (0.07 R)
• M11: 4,569,467 km (0.111 R)
• M12: 5,147,812 km (0.097 R)
• M13: 5,472,440 km (0.072 R)
• M14: 5,901,935 km (0.082 R)
• M15: 6,548,946 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.9

Radius: 10.6

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.98 AU - 1.38 AU

Year: 855 Days

Day: 12 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,046,910 km

• M1: 131,796 km (0.115 R)
• M2: 504,294 km (0.074 R)
• M3: 955,332 km (0.12 R)
• M4: 1,579,305 km (0.03 R)
• M5: 1,952,701 km (0.112 R)
• M6: 2,576,075 km (0.084 R)
• M7: 3,001,083 km (0.103 R)
• M8: 5,209,447 km (0.117 R)
• M9: 5,990,348 km (0.096 R)
• M10: 6,636,162 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.9

Radius: 14

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.94 AU - 1.56 AU

Year: 932 Days

Day: 5.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,046,910 km

• M1: 174,132 km (0.117 R)
• M2: 679,174 km (0.107 R)
• M3: 1,173,745 km (0.072 R)
• M4: 1,713,793 km (0.093 R)
• M5: 2,420,045 km (0.098 R)
• M6: 2,893,672 km (0.081 R)
• M7: 3,683,997 km (0.056 R)
• M8: 4,214,471 km (0.111 R)
• M9: 4,759,157 km (0.066 R)
• M10: 5,470,645 km (0.084 R)
• M11: 6,430,913 km (0.118 R)
• M12: 7,204,334 km (0.088 R)
• M13: 8,769,278 km (0.039 R)
• M14: 9,632,009 km (0.088 R)
• M15: 10,145,578 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.4

Radius: 12.5

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.25 AU - 1.27 AU

Year: 943 Days

Day: 9 Hours

Environment

Temp: -193 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,046,910 km

• M1: 155,432 km (0.114 R)
• M2: 571,913 km (0.1 R)
• M3: 1,047,484 km (0.041 R)
• M4: 2,305,752 km (0.083 R)
• M5: 2,754,546 km (0.103 R)
• M6: 3,458,703 km (0.073 R)
• M7: 4,330,110 km (0.116 R)
• M8: 5,226,950 km (0.056 R)
• M9: 6,845,748 km (0.11 R)
• M10: 7,985,534 km (0.091 R)
• M11: 8,507,332 km (0.083 R)
• M12: 9,079,693 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.5

Radius: 13.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.27 AU - 1.57 AU

Year: 1128 Days

Day: 10.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,046,910 km

• M1: 166,652 km (0.051 R)
• M2: 692,189 km (0.051 R)
• M3: 1,186,610 km (0.058 R)
• M4: 1,723,667 km (0.088 R)
• M5: 2,444,280 km (0.104 R)
• M6: 3,457,356 km (0.099 R)
• M7: 4,124,862 km (0.079 R)
• M8: 5,267,191 km (0.053 R)
• M9: 5,759,219 km (0.053 R)
• M10: 6,655,310 km (0.084 R)
• M11: 7,666,891 km (0.112 R)
• M12: 8,300,737 km (0.082 R)

Asteroid Belt

Center: 1.71 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.6

Radius: 14.4

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.71 AU - 2.29 AU

Year: 1886 Days

Day: 8.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,046,910 km

• M1: 179,517 km (0.048 R)
• M2: 875,896 km (0.106 R)
• M3: 1,352,365 km (0.107 R)
• M4: 1,800,710 km (0.073 R)
• M5: 2,829,195 km (0.094 R)
• M6: 3,484,134 km (0.12 R)
• M7: 3,987,531 km (0.086 R)
• M8: 5,551,727 km (0.039 R)
• M9: 6,266,655 km (0.082 R)
• M10: 6,734,747 km (0.055 R)
• M11: 7,797,490 km (0.052 R)
• M12: 8,398,574 km (0.088 R)
• M13: 11,587,552 km (0.106 R)
• M14: 12,874,991 km (0.09 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 10,561 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit