🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.5

Radius: 11.8

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.85 AU - 1.03 AU

Year: 618 Days

Day: 5.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,918,956 km

• M1: 146,756 km (0.084 R)
• M2: 514,916 km (0.102 R)
• M3: 954,285 km (0.053 R)
• M4: 1,353,113 km (0.096 R)
• M5: 1,759,570 km (0.101 R)
• M6: 2,305,902 km (0.112 R)
• M7: 3,529,612 km (0.026 R)
• M8: 4,064,873 km (0.099 R)
• M9: 4,606,717 km (0.065 R)
• M10: 5,563,096 km (0.117 R)
• M11: 6,003,512 km (0.103 R)
• M12: 7,357,971 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.4

Radius: 14.3

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.23 AU - 1.27 AU

Year: 948 Days

Day: 14.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 17,918,956 km

• M1: 179,966 km (0.042 R)
• M2: 637,586 km (0.099 R)
• M3: 1,358,947 km (0.107 R)
• M4: 1,843,046 km (0.11 R)
• M5: 2,730,311 km (0.114 R)
• M6: 3,358,023 km (0.114 R)
• M7: 4,031,962 km (0.07 R)
• M8: 4,962,610 km (0.085 R)
• M9: 5,735,433 km (0.108 R)
• M10: 6,772,296 km (0.04 R)
• M11: 7,673,772 km (0.09 R)
• M12: 8,300,288 km (0.09 R)
• M13: 9,303,940 km (0.088 R)
• M14: 9,805,392 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.3

Radius: 9.5

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.54 AU - 2.48 AU

Year: 1933 Days

Day: 8.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,918,956 km

• M1: 118,182 km (0.107 R)
• M2: 413,638 km (0.06 R)
• M3: 956,230 km (0.089 R)
• M4: 1,278,015 km (0.117 R)
• M5: 1,749,996 km (0.043 R)
• M6: 2,753,947 km (0.084 R)
• M7: 3,267,517 km (0.111 R)
• M8: 3,611,891 km (0.12 R)
• M9: 4,715,624 km (0.078 R)
• M10: 5,473,487 km (0.111 R)
• M11: 5,870,669 km (0.108 R)
• M12: 7,414,220 km (0.066 R)
• M13: 10,764,016 km (0.076 R)
• M14: 11,108,240 km (0.097 R)
• M15: 12,370,996 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644

Radius: 12.5

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.76 AU - 2.74 AU

Year: 2289 Days

Day: 14.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,918,956 km

• M1: 155,582 km (0.118 R)
• M2: 1,009,337 km (0.058 R)
• M3: 1,579,155 km (0.109 R)
• M4: 2,010,147 km (0.083 R)
• M5: 2,719,091 km (0.036 R)
• M6: 3,714,216 km (0.029 R)
• M7: 4,306,175 km (0.114 R)
• M8: 10,006,153 km (0.039 R)
• M9: 11,271,751 km (0.093 R)
• M10: 11,903,054 km (0.097 R)
• M11: 15,087,544 km (0.055 R)
• M12: 15,660,503 km (0.117 R)
• M13: 16,748,828 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.1

Radius: 9.2

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.61 AU - 5.81 AU

Year: 6933 Days

Day: 7.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,918,956 km

• M1: 182,360 km (0.058 R)
• M2: 473,776 km (0.112 R)
• M3: 1,194,988 km (0.12 R)
• M4: 2,411,069 km (0.097 R)
• M5: 4,345,818 km (0.104 R)
• M6: 4,639,928 km (0.113 R)
• M7: 5,268,687 km (0.06 R)
• M8: 8,009,919 km (0.111 R)
• M9: 8,544,731 km (0.103 R)
• M10: 9,488,694 km (0.077 R)
• M11: 11,959,901 km (0.1 R)
• M12: 12,422,757 km (0.116 R)
• M13: 13,591,116 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.5

Radius: 9

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.32 AU - 5.7 AU

Year: 8772 Days

Day: 6.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 17,918,956 km

• M1: 112,946 km (0.039 R)
• M2: 529,876 km (0.066 R)
• M3: 830,717 km (0.106 R)
• M4: 1,378,096 km (0.111 R)
• M5: 1,850,526 km (0.119 R)
• M6: 2,251,448 km (0.114 R)
• M7: 2,651,772 km (0.1 R)
• M8: 3,098,920 km (0.119 R)
• M9: 3,432,224 km (0.058 R)
• M10: 3,813,998 km (0.026 R)
• M11: 4,806,729 km (0.114 R)
• M12: 5,285,891 km (0.087 R)
• M13: 7,806,316 km (0.094 R)
• M14: 8,511,670 km (0.04 R)
• M15: 8,946,102 km (0.078 R)
• M16: 10,436,247 km (0.113 R)
• M17: 10,934,108 km (0.083 R)
• M18: 13,085,625 km (0.088 R)
• M19: 15,441,043 km (0.104 R)
• M20: 15,957,006 km (0.083 R)
• M21: 17,366,069 km (0.055 R)
• M22: 18,278,915 km (0.083 R)
• M23: 24,613,487 km (0.068 R)
• M24: 25,228,933 km (0.05 R)
• M25: 27,888,334 km (0.097 R)
• M26: 28,750,317 km (0.088 R)
• M27: 29,041,584 km (0.077 R)
• M28: 29,827,871 km (0.119 R)
• M29: 30,226,250 km (0.093 R)
• M30: 34,299,052 km (0.117 R)
• M31: 35,510,795 km (0.081 R)
• M32: 38,841,741 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863.1

Radius: 6.3

Gravity: 21.75 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.72 AU - 6.86 AU

Year: 9450 Days

Day: 18.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 17,918,956 km

• M1: 78,539 km (0.08 R)
• M2: 282,291 km (0.072 R)
• M3: 519,853 km (0.096 R)
• M4: 1,004,699 km (0.091 R)
• M5: 1,317,658 km (0.119 R)
• M6: 1,694,196 km (0.111 R)
• M7: 2,017,477 km (0.068 R)
• M8: 2,559,021 km (0.112 R)
• M9: 2,874,822 km (0.073 R)
• M10: 3,263,926 km (0.106 R)
• M11: 4,232,273 km (0.117 R)
• M12: 4,986,695 km (0.06 R)
• M13: 5,246,098 km (0.078 R)
• M14: 6,719,936 km (0.082 R)
• M15: 6,956,750 km (0.111 R)
• M16: 8,047,468 km (0.045 R)
• M17: 10,146,027 km (0.047 R)
• M18: 10,563,255 km (0.039 R)
• M19: 12,347,509 km (0.079 R)
• M20: 16,288,216 km (0.113 R)
• M21: 18,579,607 km (0.118 R)
• M22: 20,330,351 km (0.073 R)
• M23: 21,330,263 km (0.106 R)
• M24: 22,362,638 km (0.085 R)
• M25: 25,563,284 km (0.104 R)
• M26: 26,044,092 km (0.096 R)
• M27: 26,433,046 km (0.099 R)
• M28: 31,848,788 km (0.073 R)
• M29: 36,606,898 km (0.078 R)
• M30: 42,619,835 km (0.111 R)
• M31: 44,116,262 km (0.05 R)
• M32: 46,497,412 km (0.085 R)
• M33: 49,704,341 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.8

Radius: 7.5

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.67 AU - 7.71 AU

Year: 10445 Days

Day: 21.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 17,918,956 km

• M1: 93,349 km (0.09 R)
• M2: 421,268 km (0.106 R)
• M3: 716,574 km (0.074 R)
• M4: 1,259,913 km (0.06 R)
• M5: 2,361,851 km (0.108 R)
• M6: 3,535,446 km (0.058 R)
• M7: 3,829,257 km (0.041 R)
• M8: 4,898,881 km (0.117 R)
• M9: 5,430,552 km (0.105 R)
• M10: 6,914,414 km (0.078 R)
• M11: 7,375,325 km (0.111 R)
• M12: 7,887,398 km (0.063 R)
• M13: 10,212,299 km (0.111 R)
• M14: 16,261,887 km (0.086 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: 312 - 12,540 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit