🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.5

Radius: 14

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.43 AU - 0.61 AU

Year: 264 Days

Day: 14 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,808,006 km

• M1: 177,124 km (0.111 R)
• M2: 635,492 km (0.095 R)
• M3: 1,103,733 km (0.115 R)
• M4: 1,556,117 km (0.047 R)
• M5: 2,192,058 km (0.113 R)
• M6: 2,657,307 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.2

Radius: 13

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.17 AU - 1.43 AU

Year: 1042 Days

Day: 12.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,808,006 km

• M1: 161,865 km (0.089 R)
• M2: 711,936 km (0.061 R)
• M3: 1,397,843 km (0.063 R)
• M4: 1,871,619 km (0.113 R)
• M5: 2,475,845 km (0.114 R)
• M6: 3,087,401 km (0.087 R)
• M7: 3,783,031 km (0.115 R)
• M8: 4,460,410 km (0.098 R)
• M9: 4,974,279 km (0.084 R)
• M10: 5,488,147 km (0.098 R)
• M11: 6,401,891 km (0.088 R)
• M12: 6,987,866 km (0.04 R)
• M13: 7,683,646 km (0.095 R)
• M14: 8,267,826 km (0.07 R)
• M15: 8,745,641 km (0.113 R)
• M16: 9,525,495 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.2

Radius: 8.6

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.46 AU - 1.58 AU

Year: 1317 Days

Day: 14.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,808,006 km

• M1: 107,710 km (0.097 R)
• M2: 411,993 km (0.059 R)
• M3: 760,855 km (0.087 R)
• M4: 1,143,077 km (0.109 R)
• M5: 1,530,087 km (0.064 R)
• M6: 1,835,267 km (0.08 R)
• M7: 2,607,341 km (0.095 R)
• M8: 2,952,613 km (0.113 R)
• M9: 3,611,293 km (0.104 R)
• M10: 4,008,625 km (0.054 R)
• M11: 4,382,021 km (0.061 R)
• M12: 4,947,800 km (0.029 R)
• M13: 6,336,218 km (0.115 R)
• M14: 7,404,047 km (0.105 R)
• M15: 8,726,193 km (0.038 R)
• M16: 9,443,366 km (0.051 R)
• M17: 9,983,563 km (0.105 R)
• M18: 10,607,835 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.2

Radius: 11.7

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.3 AU - 1.82 AU

Year: 1370 Days

Day: 7.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,808,006 km

• M1: 145,559 km (0.114 R)
• M2: 687,402 km (0.114 R)
• M3: 1,240,017 km (0.1 R)
• M4: 1,821,354 km (0.095 R)
• M5: 2,513,843 km (0.088 R)
• M6: 2,994,351 km (0.042 R)
• M7: 4,123,815 km (0.028 R)
• M8: 4,675,981 km (0.052 R)
• M9: 6,533,537 km (0.099 R)
• M10: 7,669,284 km (0.07 R)
• M11: 8,211,278 km (0.101 R)
• M12: 9,500,362 km (0.106 R)
• M13: 10,919,897 km (0.081 R)
• M14: 13,716,479 km (0.098 R)
• M15: 14,218,081 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.3

Radius: 13.1

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.64 AU - 3.34 AU

Year: 3634 Days

Day: 12.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,808,006 km

• M1: 162,912 km (0.087 R)
• M2: 625,170 km (0.116 R)
• M3: 1,240,316 km (0.088 R)
• M4: 1,776,325 km (0.101 R)
• M5: 3,697,461 km (0.066 R)
• M6: 4,225,691 km (0.071 R)
• M7: 4,901,574 km (0.104 R)
• M8: 5,408,861 km (0.11 R)
• M9: 6,801,916 km (0.062 R)
• M10: 8,782,143 km (0.064 R)
• M11: 12,691,285 km (0.115 R)
• M12: 13,456,029 km (0.089 R)
• M13: 15,396,014 km (0.075 R)
• M14: 16,321,876 km (0.063 R)
• M15: 21,117,535 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.1

Radius: 4.8

Gravity: 27.35 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.65 AU - 6.83 AU

Year: 9667 Days

Day: 24.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 48,808,006 km

• M1: 59,690 km (0.049 R)
• M2: 222,751 km (0.06 R)
• M3: 475,272 km (0.12 R)
• M4: 688,898 km (0.112 R)
• M5: 850,464 km (0.108 R)
• M6: 1,037,611 km (0.094 R)
• M7: 1,455,438 km (0.054 R)
• M8: 1,740,422 km (0.039 R)
• M9: 2,078,812 km (0.041 R)
• M10: 2,697,698 km (0.115 R)
• M11: 3,150,980 km (0.097 R)
• M12: 3,754,757 km (0.098 R)
• M13: 4,016,703 km (0.074 R)
• M14: 4,518,903 km (0.086 R)
• M15: 5,714,938 km (0.111 R)
• M16: 6,645,885 km (0.116 R)
• M17: 8,138,872 km (0.117 R)
• M18: 8,577,792 km (0.038 R)
• M19: 9,695,588 km (0.076 R)
• M20: 10,340,055 km (0.049 R)
• M21: 11,386,492 km (0.109 R)
• M22: 12,559,190 km (0.103 R)
• M23: 13,687,756 km (0.038 R)
• M24: 16,212,669 km (0.077 R)
• M25: 18,503,461 km (0.08 R)
• M26: 18,804,153 km (0.071 R)
• M27: 21,246,189 km (0.079 R)
• M28: 25,524,239 km (0.102 R)
• M29: 26,273,126 km (0.101 R)
• M30: 27,423,833 km (0.1 R)
• M31: 28,808,212 km (0.067 R)
• M32: 30,031,473 km (0.104 R)
• M33: 32,363,106 km (0.099 R)
• M34: 34,020,351 km (0.113 R)
• M35: 43,955,744 km (0.065 R)
• M36: 44,760,281 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.1

Radius: 6.7

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.47 AU - 9.13 AU

Year: 15313 Days

Day: 24.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,808,006 km

• M1: 83,326 km (0.083 R)
• M2: 412,591 km (0.098 R)
• M3: 836,551 km (0.105 R)
• M4: 1,461,122 km (0.087 R)
• M5: 2,083,898 km (0.114 R)
• M6: 4,843,829 km (0.051 R)
• M7: 5,542,302 km (0.11 R)
• M8: 7,693,370 km (0.102 R)
• M9: 10,626,984 km (0.057 R)
• M10: 16,783,385 km (0.091 R)
• M11: 18,507,351 km (0.051 R)
• M12: 22,693,548 km (0.117 R)
• M13: 29,386,707 km (0.115 R)
• M14: 29,855,696 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.4

Radius: 4.6

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.05 AU - 8.17 AU

Year: 16235 Days

Day: 18.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,808,006 km

• M1: 127,607 km (0.082 R)
• M2: 288,425 km (0.09 R)
• M3: 974,780 km (0.064 R)
• M4: 1,386,623 km (0.076 R)
• M5: 2,904,742 km (0.104 R)
• M6: 3,541,580 km (0.113 R)
• M7: 3,933,227 km (0.102 R)
• M8: 4,295,553 km (0.114 R)
• M9: 4,440,663 km (0.083 R)
• M10: 7,315,037 km (0.072 R)
• M11: 7,819,331 km (0.057 R)
• M12: 8,572,856 km (0.114 R)
• M13: 11,068,447 km (0.103 R)
• M14: 14,654,159 km (0.09 R)
• M15: 15,050,294 km (0.063 R)
• M16: 18,635,108 km (0.063 R)
• M17: 21,882,728 km (0.038 R)
• M18: 24,924,202 km (0.06 R)
• M19: 25,205,296 km (0.097 R)
• M20: 33,166,446 km (0.062 R)
• M21: 35,007,547 km (0.083 R)
• M22: 37,037,142 km (0.089 R)
• M23: 37,403,357 km (0.06 R)
• M24: 41,198,356 km (0.069 R)
• M25: 44,002,568 km (0.047 R)
• M26: 45,381,561 km (0.097 R)
• M27: 46,081,679 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 12,482 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit