🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.5 AU - 0.62 AU

Year: 271 Days

Day: 24.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.6

Radius: 9.2

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.6 AU - 0.82 AU

Year: 386 Days

Day: 12.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,899,707 km

• M1: 116,088 km (0.107 R)
• M2: 417,378 km (0.094 R)
• M3: 710,739 km (0.072 R)
• M4: 1,171,501 km (0.097 R)
• M5: 1,500,167 km (0.06 R)
• M6: 1,823,448 km (0.085 R)
• M7: 2,858,516 km (0.115 R)
• M8: 3,383,904 km (0.068 R)
• M9: 3,959,706 km (0.079 R)
• M10: 4,351,652 km (0.061 R)
• M11: 5,077,950 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.7

Radius: 9.2

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.75 AU - 0.77 AU

Year: 428 Days

Day: 5.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,899,707 km

• M1: 114,442 km (0.104 R)
• M2: 403,914 km (0.111 R)
• M3: 704,008 km (0.111 R)
• M4: 994,377 km (0.098 R)
• M5: 1,304,194 km (0.086 R)
• M6: 1,613,263 km (0.082 R)
• M7: 2,022,114 km (0.092 R)
• M8: 2,460,137 km (0.104 R)
• M9: 2,872,578 km (0.066 R)
• M10: 3,306,711 km (0.098 R)
• M11: 3,654,227 km (0.106 R)
• M12: 4,039,890 km (0.096 R)
• M13: 4,646,510 km (0.105 R)
• M14: 5,067,777 km (0.117 R)
• M15: 5,582,544 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.3

Radius: 8.4

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.17 AU - 1.95 AU

Year: 1258 Days

Day: 11.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,899,707 km

• M1: 104,569 km (0.071 R)
• M2: 683,513 km (0.114 R)
• M3: 1,040,154 km (0.08 R)
• M4: 1,308,233 km (0.098 R)
• M5: 1,616,106 km (0.075 R)
• M6: 1,892,263 km (0.039 R)
• M7: 2,235,591 km (0.108 R)
• M8: 2,600,460 km (0.117 R)
• M9: 2,907,883 km (0.105 R)
• M10: 4,072,503 km (0.09 R)
• M11: 5,571,623 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80

Radius: 13.4

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.59 AU - 1.87 AU

Year: 1469 Days

Day: 10.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,899,707 km

• M1: 166,652 km (0.114 R)
• M2: 607,966 km (0.062 R)
• M3: 1,050,177 km (0.08 R)
• M4: 1,733,540 km (0.052 R)
• M5: 2,480,482 km (0.085 R)
• M6: 2,935,260 km (0.046 R)
• M7: 3,658,865 km (0.058 R)
• M8: 5,052,518 km (0.061 R)
• M9: 5,582,544 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.2

Radius: 7.5

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.82 AU - 7.3 AU

Year: 12112 Days

Day: 18.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,899,707 km

• M1: 96,790 km (0.103 R)
• M2: 434,283 km (0.111 R)
• M3: 701,614 km (0.072 R)
• M4: 1,144,573 km (0.054 R)
• M5: 2,585,201 km (0.086 R)
• M6: 3,641,362 km (0.097 R)
• M7: 4,146,255 km (0.034 R)
• M8: 4,554,956 km (0.12 R)
• M9: 5,678,286 km (0.085 R)
• M10: 7,475,705 km (0.109 R)
• M11: 7,998,998 km (0.107 R)
• M12: 8,984,250 km (0.043 R)
• M13: 10,144,680 km (0.105 R)
• M14: 11,193,960 km (0.038 R)
• M15: 11,718,300 km (0.109 R)
• M16: 15,923,347 km (0.061 R)
• M17: 18,396,798 km (0.077 R)
• M18: 19,952,317 km (0.099 R)
• M19: 24,090,942 km (0.108 R)
• M20: 24,612,590 km (0.088 R)
• M21: 27,523,016 km (0.116 R)
• M22: 32,306,558 km (0.09 R)
• M23: 33,475,964 km (0.116 R)
• M24: 39,029,187 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92

Radius: 4.5

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.59 AU - 10.09 AU

Year: 18430 Days

Day: 23.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,899,707 km

• M1: 148,700 km (0.094 R)
• M2: 333,454 km (0.081 R)
• M3: 552,615 km (0.077 R)
• M4: 1,040,902 km (0.084 R)
• M5: 1,529,788 km (0.118 R)
• M6: 2,378,756 km (0.102 R)
• M7: 4,105,115 km (0.056 R)
• M8: 4,857,592 km (0.09 R)
• M9: 5,666,319 km (0.055 R)
• M10: 7,934,821 km (0.103 R)
• M11: 9,759,615 km (0.08 R)
• M12: 9,988,500 km (0.029 R)
• M13: 10,842,106 km (0.106 R)
• M14: 13,021,148 km (0.027 R)
• M15: 16,229,424 km (0.116 R)
• M16: 17,139,877 km (0.092 R)
• M17: 20,444,793 km (0.115 R)
• M18: 24,401,507 km (0.096 R)
• M19: 25,164,007 km (0.098 R)
• M20: 27,820,267 km (0.093 R)
• M21: 28,839,328 km (0.06 R)
• M22: 31,644,886 km (0.09 R)
• M23: 31,844,749 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 16,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit