🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.5

Radius: 9.8

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.53 AU - 0.75 AU

Year: 347 Days

Day: 8.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,607,784 km

• M1: 121,922 km (0.1 R)
• M2: 493,374 km (0.088 R)
• M3: 887,415 km (0.109 R)
• M4: 1,498,522 km (0.039 R)
• M5: 2,068,939 km (0.072 R)
• M6: 2,540,920 km (0.053 R)
• M7: 2,857,768 km (0.105 R)
• M8: 3,433,870 km (0.111 R)
• M9: 3,798,589 km (0.065 R)
• M10: 4,149,995 km (0.116 R)
• M11: 4,690,043 km (0.083 R)
• M12: 5,065,683 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.8

Radius: 13.5

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.77 AU - 0.81 AU

Year: 476 Days

Day: 12.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,607,784 km

• M1: 167,849 km (0.118 R)
• M2: 632,500 km (0.044 R)
• M3: 1,061,247 km (0.076 R)
• M4: 1,491,790 km (0.036 R)
• M5: 2,270,148 km (0.113 R)
• M6: 2,696,651 km (0.072 R)
• M7: 3,142,453 km (0.116 R)
• M8: 3,925,299 km (0.062 R)
• M9: 5,515,524 km (0.114 R)
• M10: 6,259,923 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.6

Radius: 9

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.87 AU - 0.99 AU

Year: 608 Days

Day: 10.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,607,784 km

• M1: 111,899 km (0.038 R)
• M2: 435,031 km (0.09 R)
• M3: 746,643 km (0.11 R)
• M4: 1,035,217 km (0.105 R)
• M5: 1,339,350 km (0.088 R)
• M6: 1,809,835 km (0.057 R)
• M7: 2,156,603 km (0.071 R)
• M8: 2,496,340 km (0.113 R)
• M9: 3,243,581 km (0.082 R)
• M10: 3,725,436 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.3

Radius: 9.9

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.03 AU - 1.71 AU

Year: 1088 Days

Day: 14.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,607,784 km

• M1: 123,119 km (0.073 R)
• M2: 729,290 km (0.081 R)
• M3: 1,074,262 km (0.092 R)
• M4: 1,689,110 km (0.119 R)
• M5: 2,042,161 km (0.089 R)
• M6: 2,689,321 km (0.103 R)
• M7: 3,439,105 km (0.09 R)
• M8: 3,996,657 km (0.062 R)
• M9: 4,322,331 km (0.102 R)
• M10: 4,826,476 km (0.09 R)
• M11: 5,177,732 km (0.106 R)
• M12: 5,746,802 km (0.082 R)
• M13: 6,313,629 km (0.085 R)
• M14: 6,871,479 km (0.057 R)
• M15: 7,707,133 km (0.097 R)
• M16: 8,824,778 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.1

Radius: 11.8

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.18 AU - 1.94 AU

Year: 1322 Days

Day: 5.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,607,784 km

• M1: 146,756 km (0.066 R)
• M2: 804,837 km (0.085 R)
• M3: 1,197,531 km (0.071 R)
• M4: 1,817,016 km (0.104 R)
• M5: 2,292,288 km (0.091 R)
• M6: 2,667,180 km (0.09 R)
• M7: 3,285,618 km (0.104 R)
• M8: 3,880,569 km (0.044 R)
• M9: 4,509,478 km (0.108 R)
• M10: 5,473,636 km (0.092 R)
• M11: 6,475,643 km (0.078 R)
• M12: 7,701,448 km (0.067 R)
• M13: 8,271,865 km (0.086 R)
• M14: 9,135,643 km (0.026 R)
• M15: 9,900,387 km (0.105 R)
• M16: 10,477,236 km (0.051 R)
• M17: 11,418,805 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.2

Radius: 10.9

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.37 AU - 1.85 AU

Year: 1386 Days

Day: 14.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,607,784 km

• M1: 135,536 km (0.094 R)
• M2: 539,151 km (0.077 R)
• M3: 905,217 km (0.063 R)
• M4: 1,302,698 km (0.103 R)
• M5: 1,916,050 km (0.107 R)
• M6: 2,359,308 km (0.054 R)
• M7: 2,965,179 km (0.075 R)
• M8: 3,320,325 km (0.079 R)
• M9: 4,273,413 km (0.025 R)
• M10: 4,766,637 km (0.119 R)
• M11: 5,297,410 km (0.058 R)
• M12: 5,694,293 km (0.101 R)
• M13: 6,384,688 km (0.12 R)
• M14: 6,981,284 km (0.065 R)
• M15: 7,746,028 km (0.053 R)
• M16: 8,565,675 km (0.084 R)
• M17: 10,409,469 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.3

Radius: 12.8

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.15 AU - 6.87 AU

Year: 8772 Days

Day: 10.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,607,784 km

• M1: 160,818 km (0.101 R)
• M2: 767,437 km (0.103 R)
• M3: 1,332,319 km (0.087 R)
• M4: 1,763,609 km (0.058 R)
• M5: 2,414,061 km (0.104 R)
• M6: 4,144,908 km (0.06 R)
• M7: 5,208,699 km (0.096 R)
• M8: 6,482,375 km (0.055 R)
• M9: 7,954,268 km (0.082 R)
• M10: 8,813,259 km (0.108 R)
• M11: 11,023,568 km (0.071 R)
• M12: 11,495,848 km (0.029 R)
• M13: 16,041,080 km (0.108 R)
• M14: 17,694,586 km (0.102 R)
• M15: 21,581,438 km (0.041 R)
• M16: 22,238,920 km (0.091 R)
• M17: 23,164,632 km (0.082 R)
• M18: 26,654,601 km (0.109 R)
• M19: 28,377,968 km (0.118 R)
• M20: 29,869,758 km (0.098 R)
• M21: 30,276,365 km (0.068 R)
• M22: 31,728,362 km (0.079 R)
• M23: 34,213,781 km (0.099 R)
• M24: 35,903,190 km (0.116 R)
• M25: 38,962,017 km (0.119 R)
• M26: 40,554,786 km (0.059 R)
• M27: 42,190,489 km (0.104 R)
• M28: 42,702,563 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.9

Radius: 5.1

Gravity: 28.79 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.21 AU - 7.55 AU

Year: 13598 Days

Day: 18.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,607,784 km

• M1: 63,429 km (0.079 R)
• M2: 656,735 km (0.102 R)
• M3: 1,241,962 km (0.083 R)
• M4: 1,730,997 km (0.093 R)
• M5: 1,902,287 km (0.058 R)
• M6: 2,380,551 km (0.088 R)
• M7: 2,571,288 km (0.087 R)
• M8: 2,959,345 km (0.083 R)
• M9: 3,411,879 km (0.107 R)
• M10: 3,851,696 km (0.096 R)
• M11: 4,175,426 km (0.048 R)
• M12: 6,429,866 km (0.072 R)
• M13: 6,634,366 km (0.116 R)
• M14: 6,927,877 km (0.097 R)
• M15: 9,334,608 km (0.108 R)
• M16: 9,597,003 km (0.096 R)
• M17: 11,275,790 km (0.069 R)
• M18: 19,866,448 km (0.097 R)
• M19: 20,564,322 km (0.084 R)
• M20: 21,459,366 km (0.091 R)
• M21: 22,661,534 km (0.091 R)
• M22: 25,098,184 km (0.092 R)
• M23: 27,811,740 km (0.081 R)
• M24: 29,239,203 km (0.057 R)
• M25: 45,238,097 km (0.099 R)
• M26: 47,826,140 km (0.04 R)
• M27: 60,064,443 km (0.09 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 14,624 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit