🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.5

Radius: 12.5

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.07 AU - 1.17 AU

Year: 818 Days

Day: 12.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,024,302 km

• M1: 155,432 km (0.041 R)
• M2: 590,762 km (0.1 R)
• M3: 2,247,558 km (0.058 R)
• M4: 2,930,622 km (0.114 R)
• M5: 5,466,905 km (0.079 R)
• M6: 6,084,295 km (0.027 R)
• M7: 6,500,925 km (0.107 R)
• M8: 7,043,367 km (0.072 R)
• M9: 7,458,651 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.6

Radius: 9.9

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.27 AU - 1.57 AU

Year: 1168 Days

Day: 8.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,024,302 km

• M1: 123,269 km (0.09 R)
• M2: 452,085 km (0.035 R)
• M3: 764,296 km (0.027 R)
• M4: 1,135,448 km (0.061 R)
• M5: 1,591,422 km (0.115 R)
• M6: 1,992,644 km (0.108 R)
• M7: 2,702,037 km (0.063 R)
• M8: 3,029,806 km (0.08 R)
• M9: 3,353,535 km (0.099 R)
• M10: 3,733,215 km (0.074 R)
• M11: 4,467,292 km (0.077 R)
• M12: 5,088,871 km (0.095 R)
• M13: 5,833,569 km (0.066 R)
• M14: 6,722,629 km (0.117 R)
• M15: 7,619,169 km (0.086 R)
• M16: 10,256,280 km (0.103 R)
• M17: 11,094,627 km (0.074 R)
• M18: 11,833,640 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148

Radius: 14.3

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.68 AU - 1.84 AU

Year: 1612 Days

Day: 14.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,024,302 km

• M1: 177,872 km (0.119 R)
• M2: 672,592 km (0.096 R)
• M3: 1,159,084 km (0.106 R)
• M4: 2,214,048 km (0.117 R)
• M5: 2,953,660 km (0.061 R)
• M6: 3,530,211 km (0.056 R)
• M7: 4,045,126 km (0.109 R)
• M8: 4,998,663 km (0.075 R)
• M9: 5,538,412 km (0.079 R)
• M10: 6,037,620 km (0.119 R)
• M11: 6,714,700 km (0.108 R)
• M12: 7,351,239 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.7

Radius: 11.2

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.81 AU - 2.11 AU

Year: 1894 Days

Day: 8.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 82.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,024,302 km

• M1: 140,323 km (0.052 R)
• M2: 510,578 km (0.066 R)
• M3: 1,017,266 km (0.119 R)
• M4: 1,495,081 km (0.105 R)
• M5: 2,958,597 km (0.115 R)
• M6: 3,347,552 km (0.1 R)
• M7: 4,704,703 km (0.117 R)
• M8: 7,384,300 km (0.107 R)
• M9: 8,255,110 km (0.069 R)
• M10: 8,746,838 km (0.108 R)
• M11: 14,443,076 km (0.089 R)
• M12: 15,022,319 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.2

Radius: 14.1

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.57 AU - 2.47 AU

Year: 1982 Days

Day: 6.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,024,302 km

• M1: 175,478 km (0.093 R)
• M2: 620,382 km (0.118 R)
• M3: 1,143,077 km (0.03 R)
• M4: 1,805,048 km (0.115 R)
• M5: 2,410,919 km (0.082 R)
• M6: 2,933,913 km (0.094 R)
• M7: 4,924,313 km (0.051 R)
• M8: 5,735,134 km (0.091 R)
• M9: 6,968,119 km (0.109 R)
• M10: 7,720,597 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807

Radius: 8.6

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.14 AU - 4.48 AU

Year: 5133 Days

Day: 11.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,024,302 km

• M1: 106,962 km (0.097 R)
• M2: 428,448 km (0.102 R)
• M3: 729,589 km (0.038 R)
• M4: 1,258,866 km (0.093 R)
• M5: 1,758,822 km (0.105 R)
• M6: 2,271,793 km (0.107 R)
• M7: 3,797,392 km (0.075 R)
• M8: 4,448,741 km (0.115 R)
• M9: 5,116,247 km (0.12 R)
• M10: 5,401,381 km (0.04 R)
• M11: 6,353,571 km (0.113 R)
• M12: 7,413,472 km (0.114 R)
• M13: 9,031,822 km (0.116 R)
• M14: 9,577,256 km (0.116 R)
• M15: 9,879,892 km (0.091 R)
• M16: 11,107,791 km (0.113 R)
• M17: 11,734,008 km (0.119 R)
• M18: 12,794,956 km (0.05 R)
• M19: 14,932,859 km (0.095 R)
• M20: 15,875,176 km (0.093 R)
• M21: 16,545,674 km (0.109 R)
• M22: 17,362,329 km (0.112 R)
• M23: 19,973,261 km (0.095 R)
• M24: 20,754,610 km (0.105 R)
• M25: 22,605,884 km (0.091 R)
• M26: 23,454,253 km (0.069 R)
• M27: 25,051,061 km (0.094 R)
• M28: 26,548,985 km (0.116 R)
• M29: 28,816,739 km (0.082 R)
• M30: 32,262,127 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.9

Radius: 13.4

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.81 AU - 4.57 AU

Year: 5920 Days

Day: 10.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,024,302 km

• M1: 166,802 km (0.062 R)
• M2: 633,697 km (0.117 R)
• M3: 1,065,436 km (0.113 R)
• M4: 1,974,991 km (0.066 R)
• M5: 3,501,637 km (0.106 R)
• M6: 4,335,795 km (0.117 R)
• M7: 4,935,383 km (0.115 R)
• M8: 5,649,713 km (0.088 R)
• M9: 6,431,811 km (0.107 R)
• M10: 7,178,903 km (0.062 R)
• M11: 7,610,193 km (0.101 R)
• M12: 8,135,431 km (0.097 R)
• M13: 9,175,436 km (0.099 R)
• M14: 9,598,349 km (0.065 R)
• M15: 10,759,228 km (0.115 R)
• M16: 11,325,756 km (0.047 R)
• M17: 14,576,368 km (0.099 R)
• M18: 17,615,897 km (0.043 R)
• M19: 18,874,464 km (0.063 R)
• M20: 24,594,040 km (0.088 R)
• M21: 25,247,633 km (0.091 R)
• M22: 27,191,208 km (0.107 R)
• M23: 29,414,981 km (0.095 R)
• M24: 29,966,249 km (0.09 R)
• M25: 32,046,856 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.8

Radius: 3

Gravity: 30.2 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.46 AU - 11.12 AU

Year: 21144 Days

Day: 24.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,024,302 km

• M1: 56,398 km (0.114 R)
• M2: 236,963 km (0.114 R)
• M3: 828,922 km (0.084 R)
• M4: 1,204,263 km (0.084 R)
• M5: 1,408,165 km (0.037 R)
• M6: 2,675,708 km (0.091 R)
• M7: 3,638,220 km (0.108 R)
• M8: 4,122,169 km (0.101 R)
• M9: 4,333,402 km (0.099 R)
• M10: 9,790,582 km (0.032 R)
• M11: 10,004,058 km (0.109 R)
• M12: 10,275,429 km (0.086 R)
• M13: 16,257,848 km (0.087 R)
• M14: 43,160,930 km (0.116 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 16,727 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit