🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.6

Radius: 13.7

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.63 AU - 0.83 AU

Year: 409 Days

Day: 6.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,252,655 km

• M1: 170,542 km (0.056 R)
• M2: 608,564 km (0.093 R)
• M3: 1,078,900 km (0.078 R)
• M4: 1,914,554 km (0.039 R)
• M5: 2,897,262 km (0.107 R)
• M6: 3,359,819 km (0.1 R)
• M7: 4,180,213 km (0.115 R)
• M8: 4,847,270 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.3

Radius: 13.3

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.13 AU - 2.41 AU

Year: 2244 Days

Day: 8.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,252,655 km

• M1: 165,455 km (0.065 R)
• M2: 620,682 km (0.107 R)
• M3: 1,308,981 km (0.053 R)
• M4: 1,799,812 km (0.109 R)
• M5: 2,221,977 km (0.095 R)
• M6: 2,765,466 km (0.109 R)
• M7: 3,196,308 km (0.061 R)
• M8: 3,689,083 km (0.055 R)
• M9: 4,381,273 km (0.11 R)
• M10: 5,394,200 km (0.107 R)
• M11: 7,412,724 km (0.109 R)
• M12: 9,032,869 km (0.064 R)
• M13: 9,504,402 km (0.074 R)
• M14: 10,497,133 km (0.085 R)
• M15: 11,484,928 km (0.095 R)
• M16: 12,227,681 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.3

Radius: 13.3

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.15 AU - 5.21 AU

Year: 5606 Days

Day: 15 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,252,655 km

• M1: 165,455 km (0.059 R)
• M2: 600,187 km (0.089 R)
• M3: 1,081,443 km (0.1 R)
• M4: 1,700,180 km (0.114 R)
• M5: 3,663,652 km (0.109 R)
• M6: 4,136,232 km (0.099 R)
• M7: 4,743,300 km (0.072 R)
• M8: 7,988,227 km (0.066 R)
• M9: 9,079,095 km (0.083 R)
• M10: 11,599,221 km (0.106 R)
• M11: 12,996,913 km (0.091 R)
• M12: 13,760,910 km (0.088 R)
• M13: 14,911,317 km (0.107 R)
• M14: 16,287,917 km (0.079 R)
• M15: 17,232,777 km (0.105 R)
• M16: 18,688,364 km (0.093 R)
• M17: 19,723,881 km (0.115 R)
• M18: 21,315,901 km (0.112 R)
• M19: 21,909,356 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.4

Radius: 12

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.92 AU - 5.32 AU

Year: 6514 Days

Day: 5.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,252,655 km

• M1: 149,299 km (0.094 R)
• M2: 533,466 km (0.092 R)
• M3: 1,039,406 km (0.109 R)
• M4: 2,034,082 km (0.118 R)
• M5: 2,685,431 km (0.116 R)
• M6: 3,327,805 km (0.101 R)
• M7: 3,869,947 km (0.106 R)
• M8: 4,277,751 km (0.106 R)
• M9: 4,990,435 km (0.114 R)
• M10: 5,450,000 km (0.034 R)
• M11: 7,001,480 km (0.119 R)
• M12: 8,691,636 km (0.079 R)
• M13: 10,405,280 km (0.086 R)
• M14: 10,876,663 km (0.113 R)
• M15: 11,652,477 km (0.117 R)
• M16: 12,464,644 km (0.11 R)
• M17: 13,497,917 km (0.109 R)
• M18: 15,683,542 km (0.038 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 978.1

Radius: 3.4

Gravity: 84.61 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.04 AU - 7.06 AU

Year: 10997 Days

Day: 21.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,252,655 km

• M1: 42,336 km (0.054 R)
• M2: 186,848 km (0.109 R)
• M3: 350,209 km (0.079 R)
• M4: 705,653 km (0.109 R)
• M5: 908,209 km (0.08 R)
• M6: 1,344,735 km (0.069 R)
• M7: 1,532,630 km (0.114 R)
• M8: 2,381,449 km (0.067 R)
• M9: 3,121,360 km (0.092 R)
• M10: 5,106,075 km (0.085 R)
• M11: 6,638,555 km (0.109 R)
• M12: 6,885,990 km (0.056 R)
• M13: 8,262,739 km (0.109 R)
• M14: 8,940,717 km (0.113 R)
• M15: 9,655,047 km (0.117 R)
• M16: 10,187,914 km (0.07 R)
• M17: 10,406,477 km (0.082 R)
• M18: 12,024,976 km (0.074 R)
• M19: 12,207,785 km (0.071 R)
• M20: 12,392,388 km (0.113 R)
• M21: 13,021,447 km (0.115 R)
• M22: 13,214,130 km (0.116 R)
• M23: 13,671,301 km (0.079 R)
• M24: 17,793,620 km (0.12 R)
• M25: 18,431,355 km (0.034 R)
• M26: 25,567,323 km (0.1 R)
• M27: 27,416,802 km (0.057 R)
• M28: 27,627,585 km (0.074 R)
• M29: 29,574,153 km (0.117 R)
• M30: 30,580,797 km (0.12 R)
• M31: 36,592,387 km (0.089 R)
• M32: 39,873,368 km (0.112 R)
• M33: 41,793,756 km (0.075 R)
• M34: 43,918,644 km (0.03 R)
• M35: 46,263,441 km (0.075 R)
• M36: 51,841,646 km (0.111 R)
• M37: 53,467,027 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.9

Radius: 5.6

Gravity: 14.44 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 9.02 AU - 11.28 AU

Year: 21213 Days

Day: 20.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,252,655 km

• M1: 71,358 km (0.086 R)
• M2: 379,081 km (0.11 R)
• M3: 885,919 km (0.089 R)
• M4: 2,305,303 km (0.067 R)
• M5: 2,635,765 km (0.118 R)
• M6: 3,848,704 km (0.057 R)
• M7: 6,057,218 km (0.05 R)
• M8: 9,313,365 km (0.071 R)
• M9: 9,531,778 km (0.084 R)
• M10: 12,425,599 km (0.073 R)
• M11: 15,170,122 km (0.094 R)
• M12: 16,246,478 km (0.065 R)
• M13: 17,127,161 km (0.084 R)
• M14: 18,722,772 km (0.093 R)
• M15: 19,334,777 km (0.1 R)
• M16: 21,439,619 km (0.109 R)
• M17: 27,977,943 km (0.043 R)
• M18: 28,432,871 km (0.037 R)
• M19: 35,199,631 km (0.07 R)
• M20: 35,996,988 km (0.108 R)
• M21: 39,734,690 km (0.058 R)
• M22: 44,028,598 km (0.055 R)
• M23: 46,207,940 km (0.116 R)
• M24: 48,949,770 km (0.108 R)
• M25: 53,524,173 km (0.103 R)
• M26: 55,110,060 km (0.098 R)
• M27: 61,002,421 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.6

Radius: 4.4

Gravity: 32.06 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 8.23 AU - 12.25 AU

Year: 21496 Days

Day: 23.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,252,655 km

• M1: 71,358 km (0.101 R)
• M2: 672,293 km (0.11 R)
• M3: 1,218,026 km (0.116 R)
• M4: 1,996,533 km (0.12 R)
• M5: 2,354,521 km (0.09 R)
• M6: 2,829,045 km (0.032 R)
• M7: 3,716,759 km (0.061 R)
• M8: 5,145,120 km (0.097 R)
• M9: 8,538,897 km (0.085 R)
• M10: 9,361,236 km (0.119 R)
• M11: 22,859,602 km (0.087 R)
• M12: 26,420,330 km (0.068 R)
• M13: 27,568,195 km (0.118 R)
• M14: 27,918,852 km (0.095 R)
• M15: 37,684,302 km (0.113 R)
• M16: 39,432,054 km (0.091 R)
• M17: 46,632,199 km (0.066 R)
• M18: 48,474,946 km (0.099 R)
• M19: 51,771,335 km (0.112 R)
• M20: 52,305,100 km (0.059 R)
• M21: 58,806,025 km (0.069 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 17,344 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit