🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.3

Radius: 8.5

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.55 AU - 0.55 AU

Year: 282 Days

Day: 14.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,310,618 km

• M1: 105,766 km (0.026 R)
• M2: 449,691 km (0.11 R)
• M3: 822,788 km (0.112 R)
• M4: 1,099,993 km (0.113 R)
• M5: 1,435,392 km (0.059 R)
• M6: 1,801,458 km (0.097 R)
• M7: 2,265,211 km (0.103 R)
• M8: 2,641,450 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.7

Radius: 11.9

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.91 AU - 1.25 AU

Year: 775 Days

Day: 5.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,310,618 km

• M1: 147,952 km (0.103 R)
• M2: 537,056 km (0.05 R)
• M3: 927,956 km (0.077 R)
• M4: 1,425,817 km (0.055 R)
• M5: 2,035,728 km (0.099 R)
• M6: 3,037,734 km (0.114 R)
• M7: 4,644,266 km (0.069 R)
• M8: 5,360,241 km (0.103 R)
• M9: 7,746,178 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.2

Radius: 11.4

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.38 AU - 1.82 AU

Year: 1397 Days

Day: 10 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,310,618 km

• M1: 141,819 km (0.062 R)
• M2: 540,497 km (0.039 R)
• M3: 985,850 km (0.115 R)
• M4: 1,350,121 km (0.082 R)
• M5: 1,741,918 km (0.04 R)
• M6: 2,286,903 km (0.112 R)
• M7: 2,711,761 km (0.119 R)
• M8: 4,160,616 km (0.074 R)
• M9: 4,597,143 km (0.119 R)
• M10: 5,180,724 km (0.117 R)
• M11: 5,749,944 km (0.075 R)
• M12: 7,257,741 km (0.117 R)
• M13: 7,788,664 km (0.044 R)
• M14: 8,481,750 km (0.112 R)
• M15: 9,361,536 km (0.116 R)
• M16: 10,585,246 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.7

Radius: 14.7

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.79 AU - 2.85 AU

Year: 2439 Days

Day: 12.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,310,618 km

• M1: 182,809 km (0.11 R)
• M2: 720,463 km (0.048 R)
• M3: 1,391,559 km (0.084 R)
• M4: 2,554,533 km (0.107 R)
• M5: 3,318,679 km (0.08 R)
• M6: 3,832,249 km (0.116 R)
• M7: 5,986,757 km (0.089 R)
• M8: 7,709,377 km (0.119 R)
• M9: 9,028,979 km (0.066 R)
• M10: 9,706,359 km (0.1 R)
• M11: 11,203,534 km (0.109 R)
• M12: 13,161,770 km (0.098 R)
• M13: 13,847,078 km (0.082 R)
• M14: 14,604,343 km (0.093 R)
• M15: 15,388,983 km (0.105 R)
• M16: 18,584,543 km (0.067 R)
• M17: 19,215,099 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.8

Radius: 10.7

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.01 AU - 2.89 AU

Year: 2647 Days

Day: 14.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,310,618 km

• M1: 133,142 km (0.106 R)
• M2: 573,857 km (0.103 R)
• M3: 1,141,881 km (0.1 R)
• M4: 1,999,376 km (0.057 R)
• M5: 2,827,849 km (0.065 R)
• M6: 3,602,616 km (0.11 R)
• M7: 4,513,218 km (0.089 R)
• M8: 5,749,196 km (0.11 R)
• M9: 6,843,953 km (0.095 R)
• M10: 7,943,497 km (0.076 R)
• M11: 10,221,125 km (0.081 R)
• M12: 11,571,545 km (0.08 R)
• M13: 12,246,680 km (0.032 R)
• M14: 13,908,563 km (0.12 R)
• M15: 16,023,278 km (0.089 R)
• M16: 19,496,193 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.2

Radius: 8.4

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.54 AU - 3.56 AU

Year: 3677 Days

Day: 6.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,310,618 km

• M1: 104,868 km (0.075 R)
• M2: 586,573 km (0.039 R)
• M3: 850,763 km (0.067 R)
• M4: 1,865,336 km (0.115 R)
• M5: 2,459,838 km (0.082 R)
• M6: 3,192,269 km (0.053 R)
• M7: 5,227,847 km (0.073 R)
• M8: 5,550,979 km (0.093 R)
• M9: 5,861,245 km (0.097 R)
• M10: 6,237,633 km (0.041 R)
• M11: 7,875,430 km (0.102 R)
• M12: 10,981,830 km (0.084 R)
• M13: 12,234,263 km (0.087 R)
• M14: 12,760,848 km (0.11 R)
• M15: 20,131,685 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.6

Radius: 10.3

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.26 AU - 4.58 AU

Year: 5357 Days

Day: 10 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,310,618 km

• M1: 130,150 km (0.088 R)
• M2: 500,106 km (0.112 R)
• M3: 984,204 km (0.106 R)
• M4: 2,137,155 km (0.113 R)
• M5: 2,676,456 km (0.106 R)
• M6: 3,085,007 km (0.101 R)
• M7: 4,801,493 km (0.102 R)
• M8: 5,350,667 km (0.071 R)
• M9: 7,645,648 km (0.087 R)
• M10: 8,788,576 km (0.093 R)
• M11: 9,611,514 km (0.12 R)
• M12: 10,041,907 km (0.112 R)
• M13: 11,174,363 km (0.098 R)
• M14: 12,189,683 km (0.056 R)
• M15: 13,477,272 km (0.053 R)
• M16: 17,947,406 km (0.098 R)
• M17: 20,233,860 km (0.048 R)
• M18: 21,960,519 km (0.083 R)
• M19: 24,333,290 km (0.112 R)
• M20: 28,424,493 km (0.092 R)
• M21: 30,035,961 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.2

Radius: 7.3

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.93 AU - 7.09 AU

Year: 10170 Days

Day: 22.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 44,310,618 km

• M1: 91,105 km (0.081 R)
• M2: 331,808 km (0.1 R)
• M3: 702,063 km (0.1 R)
• M4: 1,136,196 km (0.082 R)
• M5: 1,420,881 km (0.072 R)
• M6: 1,859,651 km (0.112 R)
• M7: 2,171,114 km (0.114 R)
• M8: 2,594,625 km (0.086 R)
• M9: 2,920,898 km (0.095 R)
• M10: 4,013,860 km (0.11 R)
• M11: 4,890,055 km (0.072 R)
• M12: 5,752,038 km (0.048 R)
• M13: 6,025,802 km (0.068 R)
• M14: 6,489,556 km (0.108 R)
• M15: 6,786,507 km (0.12 R)
• M16: 7,488,121 km (0.072 R)
• M17: 8,279,943 km (0.051 R)
• M18: 9,080,591 km (0.042 R)
• M19: 11,413,121 km (0.118 R)
• M20: 15,454,058 km (0.073 R)
• M21: 15,850,792 km (0.103 R)
• M22: 16,664,604 km (0.106 R)
• M23: 20,357,428 km (0.05 R)
• M24: 21,399,826 km (0.051 R)
• M25: 22,393,455 km (0.106 R)
• M26: 24,920,911 km (0.097 R)
• M27: 26,487,649 km (0.094 R)
• M28: 27,056,121 km (0.116 R)
• M29: 28,611,341 km (0.096 R)
• M30: 30,638,093 km (0.115 R)
• M31: 32,219,641 km (0.102 R)
• M32: 36,819,028 km (0.114 R)
• M33: 42,997,270 km (0.107 R)
• M34: 43,257,870 km (0.071 R)
• M35: 43,913,857 km (0.065 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 11,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit