🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.8

Radius: 11.8

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.81 AU - 1.17 AU

Year: 657 Days

Day: 5.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 90,858,908 km

• M1: 146,756 km (0.08 R)
• M2: 521,049 km (0.109 R)
• M3: 900,430 km (0.074 R)
• M4: 1,907,522 km (0.042 R)
• M5: 2,358,859 km (0.081 R)
• M6: 3,621,166 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318

Radius: 14.1

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.07 AU - 1.27 AU

Year: 844 Days

Day: 12.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,858,908 km

• M1: 175,329 km (0.056 R)
• M2: 627,862 km (0.049 R)
• M3: 1,160,431 km (0.109 R)
• M4: 1,867,729 km (0.104 R)
• M5: 2,355,867 km (0.097 R)
• M6: 2,918,654 km (0.034 R)
• M7: 3,405,147 km (0.097 R)
• M8: 3,987,830 km (0.062 R)
• M9: 4,590,411 km (0.037 R)
• M10: 6,280,418 km (0.118 R)
• M11: 7,016,290 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648

Radius: 13.8

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.52 AU - 2.38 AU

Year: 1816 Days

Day: 10.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,858,908 km

• M1: 172,786 km (0.106 R)
• M2: 624,721 km (0.103 R)
• M3: 1,091,017 km (0.099 R)
• M4: 1,710,502 km (0.086 R)
• M5: 2,905,191 km (0.086 R)
• M6: 3,474,859 km (0.1 R)
• M7: 3,973,020 km (0.101 R)
• M8: 4,738,961 km (0.113 R)
• M9: 5,332,117 km (0.109 R)
• M10: 6,314,825 km (0.085 R)
• M11: 6,797,727 km (0.097 R)
• M12: 8,793,812 km (0.062 R)
• M13: 10,337,063 km (0.094 R)
• M14: 11,449,772 km (0.105 R)
• M15: 12,680,514 km (0.068 R)
• M16: 13,785,893 km (0.069 R)
• M17: 14,427,368 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.5

Radius: 13.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.46 AU - 3.72 AU

Year: 3622 Days

Day: 10.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 90,858,908 km

• M1: 169,494 km (0.07 R)
• M2: 921,224 km (0.036 R)
• M3: 1,548,039 km (0.025 R)
• M4: 4,182,158 km (0.111 R)
• M5: 5,077,501 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167

Radius: 9.4

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.58 AU - 4.96 AU

Year: 6947 Days

Day: 11.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,858,908 km

• M1: 117,285 km (0.115 R)
• M2: 444,006 km (0.101 R)
• M3: 897,138 km (0.059 R)
• M4: 1,339,499 km (0.083 R)
• M5: 1,739,524 km (0.068 R)
• M6: 2,040,665 km (0.055 R)
• M7: 2,701,588 km (0.103 R)
• M8: 3,217,102 km (0.091 R)
• M9: 4,771,873 km (0.036 R)
• M10: 5,064,786 km (0.102 R)
• M11: 6,836,024 km (0.096 R)
• M12: 9,321,294 km (0.081 R)
• M13: 9,741,813 km (0.119 R)
• M14: 11,080,265 km (0.105 R)
• M15: 13,240,160 km (0.114 R)
• M16: 14,930,466 km (0.096 R)
• M17: 16,592,797 km (0.113 R)
• M18: 17,041,142 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.2

Radius: 4.4

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.91 AU - 7.25 AU

Year: 9997 Days

Day: 17.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,858,908 km

• M1: 108,608 km (0.1 R)
• M2: 445,802 km (0.104 R)
• M3: 826,229 km (0.106 R)
• M4: 1,150,707 km (0.086 R)
• M5: 1,726,659 km (0.071 R)
• M6: 2,078,064 km (0.068 R)
• M7: 2,624,395 km (0.096 R)
• M8: 3,906,300 km (0.101 R)
• M9: 4,485,393 km (0.114 R)
• M10: 7,179,052 km (0.082 R)
• M11: 10,485,464 km (0.099 R)
• M12: 14,522,662 km (0.111 R)
• M13: 15,283,068 km (0.112 R)
• M14: 19,356,768 km (0.059 R)
• M15: 23,431,215 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.4

Radius: 3.7

Gravity: 64.89 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 8.28 AU - 12.86 AU

Year: 22916 Days

Day: 19.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 90,858,908 km

• M1: 47,572 km (0.054 R)
• M2: 173,534 km (0.039 R)
• M3: 948,600 km (0.119 R)
• M4: 1,755,232 km (0.083 R)
• M5: 1,934,600 km (0.1 R)
• M6: 2,126,235 km (0.08 R)
• M7: 2,283,911 km (0.077 R)
• M8: 2,857,469 km (0.079 R)
• M9: 7,166,037 km (0.078 R)
• M10: 7,418,409 km (0.077 R)
• M11: 7,781,782 km (0.07 R)
• M12: 16,512,314 km (0.075 R)
• M13: 17,948,603 km (0.115 R)
• M14: 28,349,245 km (0.114 R)
• M15: 28,853,241 km (0.108 R)
• M16: 34,796,166 km (0.119 R)
• M17: 36,696,657 km (0.034 R)
• M18: 43,141,483 km (0.063 R)
• M19: 47,243,157 km (0.065 R)
• M20: 47,419,533 km (0.116 R)
• M21: 55,228,093 km (0.12 R)
• M22: 57,606,849 km (0.076 R)
• M23: 64,715,889 km (0.082 R)
• M24: 76,198,274 km (0.082 R)
• M25: 81,907,377 km (0.115 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: 423 - 15,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit