🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.1

Radius: 12.5

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.62 AU - 0.94 AU

Year: 452 Days

Day: 10.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,784,707 km

• M1: 155,582 km (0.116 R)
• M2: 680,670 km (0.115 R)
• M3: 1,073,514 km (0.096 R)
• M4: 1,752,539 km (0.093 R)
• M5: 2,168,870 km (0.108 R)
• M6: 2,651,772 km (0.12 R)
• M7: 3,691,776 km (0.082 R)
• M8: 4,098,383 km (0.087 R)
• M9: 5,165,764 km (0.107 R)
• M10: 6,146,528 km (0.077 R)
• M11: 6,642,445 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.7

Radius: 11.4

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.83 AU - 0.85 AU

Year: 505 Days

Day: 9.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,784,707 km

• M1: 141,819 km (0.116 R)
• M2: 556,205 km (0.085 R)
• M3: 1,143,825 km (0.098 R)
• M4: 1,506,750 km (0.091 R)
• M5: 1,948,063 km (0.051 R)
• M6: 2,932,268 km (0.052 R)
• M7: 3,591,546 km (0.04 R)
• M8: 4,771,125 km (0.117 R)
• M9: 5,302,945 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.2

Radius: 12.8

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.08 AU - 5.56 AU

Year: 8050 Days

Day: 9.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,784,707 km

• M1: 161,267 km (0.106 R)
• M2: 858,841 km (0.118 R)
• M3: 1,389,465 km (0.092 R)
• M4: 2,398,353 km (0.112 R)
• M5: 3,197,954 km (0.083 R)
• M6: 3,758,497 km (0.08 R)
• M7: 4,557,499 km (0.057 R)
• M8: 5,815,318 km (0.078 R)
• M9: 7,467,178 km (0.064 R)
• M10: 7,971,023 km (0.108 R)
• M11: 8,497,458 km (0.06 R)
• M12: 9,371,708 km (0.063 R)
• M13: 10,217,684 km (0.105 R)
• M14: 10,749,205 km (0.112 R)
• M15: 11,724,135 km (0.104 R)
• M16: 14,501,419 km (0.066 R)
• M17: 15,287,556 km (0.027 R)
• M18: 16,220,748 km (0.118 R)
• M19: 17,691,145 km (0.117 R)
• M20: 20,966,441 km (0.107 R)
• M21: 23,009,200 km (0.064 R)
• M22: 24,078,974 km (0.045 R)
• M23: 26,153,149 km (0.067 R)
• M24: 26,898,146 km (0.077 R)
• M25: 27,487,412 km (0.094 R)
• M26: 28,778,890 km (0.084 R)
• M27: 30,381,682 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.8

Radius: 3.9

Gravity: 19.64 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.46 AU - 10.38 AU

Year: 16028 Days

Day: 20.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,784,707 km

• M1: 48,470 km (0.077 R)
• M2: 315,053 km (0.08 R)
• M3: 570,865 km (0.045 R)
• M4: 1,212,042 km (0.085 R)
• M5: 1,391,410 km (0.085 R)
• M6: 1,935,198 km (0.08 R)
• M7: 2,292,587 km (0.107 R)
• M8: 2,713,556 km (0.068 R)
• M9: 3,476,505 km (0.077 R)
• M10: 3,733,514 km (0.104 R)
• M11: 3,920,811 km (0.03 R)
• M12: 4,170,938 km (0.106 R)
• M13: 4,921,471 km (0.07 R)
• M14: 5,687,861 km (0.086 R)
• M15: 6,008,299 km (0.114 R)
• M16: 6,303,157 km (0.099 R)
• M17: 6,685,230 km (0.087 R)
• M18: 7,163,793 km (0.1 R)
• M19: 9,067,127 km (0.073 R)
• M20: 11,172,418 km (0.087 R)
• M21: 11,338,172 km (0.097 R)
• M22: 13,148,306 km (0.12 R)
• M23: 15,965,534 km (0.062 R)
• M24: 21,284,635 km (0.119 R)
• M25: 23,561,365 km (0.113 R)
• M26: 24,758,148 km (0.105 R)
• M27: 30,164,915 km (0.106 R)
• M28: 31,574,725 km (0.116 R)
• M29: 32,239,987 km (0.116 R)
• M30: 33,828,417 km (0.05 R)
• M31: 35,826,446 km (0.038 R)
• M32: 40,966,180 km (0.055 R)
• M33: 42,290,271 km (0.112 R)
• M34: 46,433,234 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.9

Radius: 6.1

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 8.06 AU - 13.14 AU

Year: 22640 Days

Day: 20.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,784,707 km

• M1: 119,828 km (0.104 R)
• M2: 353,350 km (0.118 R)
• M3: 1,471,744 km (0.06 R)
• M4: 1,861,147 km (0.104 R)
• M5: 2,070,734 km (0.115 R)
• M6: 5,054,314 km (0.102 R)
• M7: 7,520,883 km (0.102 R)
• M8: 9,093,307 km (0.091 R)
• M9: 17,836,255 km (0.108 R)
• M10: 21,643,222 km (0.047 R)
• M11: 22,524,054 km (0.075 R)
• M12: 23,735,497 km (0.117 R)
• M13: 31,430,213 km (0.056 R)
• M14: 41,673,778 km (0.113 R)
• M15: 53,580,871 km (0.076 R)
• M16: 59,067,672 km (0.114 R)
• M17: 60,591,626 km (0.056 R)
• M18: 63,123,570 km (0.085 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: 176 - 17,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit