🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138

Radius: 12.8

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.45 AU - 0.69 AU

Year: 287 Days

Day: 8.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,104,626 km

• M1: 159,172 km (0.118 R)
• M2: 743,202 km (0.038 R)
• M3: 1,141,731 km (0.067 R)
• M4: 1,636,451 km (0.116 R)
• M5: 2,149,721 km (0.062 R)
• M6: 2,596,869 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.3

Radius: 14.5

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.55 AU - 0.89 AU

Year: 407 Days

Day: 9.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,104,626 km

• M1: 180,265 km (0.066 R)
• M2: 723,904 km (0.08 R)
• M3: 1,193,043 km (0.061 R)
• M4: 1,875,359 km (0.117 R)
• M5: 2,619,309 km (0.061 R)
• M6: 3,141,705 km (0.055 R)
• M7: 3,699,555 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.2

Radius: 13.7

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.09 AU - 1.75 AU

Year: 1128 Days

Day: 14.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,104,626 km

• M1: 180,565 km (0.111 R)
• M2: 909,555 km (0.081 R)
• M3: 1,345,184 km (0.117 R)
• M4: 1,966,763 km (0.109 R)
• M5: 3,473,812 km (0.104 R)
• M6: 4,433,333 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.5

Radius: 11.2

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.88 AU - 3.16 AU

Year: 3500 Days

Day: 6.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 115.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,104,626 km

• M1: 140,772 km (0.114 R)
• M2: 573,857 km (0.099 R)
• M3: 1,044,792 km (0.094 R)
• M4: 1,430,006 km (0.075 R)
• M5: 2,071,781 km (0.071 R)
• M6: 2,499,332 km (0.072 R)
• M7: 3,844,366 km (0.118 R)
• M8: 4,194,874 km (0.035 R)
• M9: 5,622,337 km (0.1 R)
• M10: 6,615,218 km (0.12 R)
• M11: 7,350,791 km (0.072 R)
• M12: 8,536,802 km (0.059 R)
• M13: 9,253,077 km (0.044 R)
• M14: 9,765,899 km (0.084 R)
• M15: 10,848,389 km (0.112 R)
• M16: 11,418,805 km (0.112 R)
• M17: 13,449,447 km (0.094 R)
• M18: 14,005,353 km (0.048 R)
• M19: 14,419,140 km (0.12 R)
• M20: 17,018,104 km (0.048 R)
• M21: 17,549,177 km (0.111 R)
• M22: 18,091,319 km (0.103 R)
• M23: 21,650,701 km (0.092 R)
• M24: 22,204,513 km (0.106 R)
• M25: 23,124,839 km (0.114 R)
• M26: 23,703,633 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.6

Radius: 13.9

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.58 AU - 4.62 AU

Year: 5536 Days

Day: 5 Hours

Environment

Temp: -223 °C

Axial Tilt: 109 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,104,626 km

• M1: 173,234 km (0.043 R)
• M2: 706,252 km (0.107 R)
• M3: 1,324,540 km (0.069 R)
• M4: 1,761,365 km (0.088 R)
• M5: 2,442,933 km (0.094 R)
• M6: 2,921,497 km (0.029 R)
• M7: 3,680,556 km (0.115 R)
• M8: 4,777,258 km (0.081 R)
• M9: 5,563,545 km (0.109 R)
• M10: 7,612,138 km (0.085 R)
• M11: 8,606,216 km (0.098 R)
• M12: 9,858,799 km (0.105 R)
• M13: 12,161,559 km (0.073 R)
• M14: 15,150,973 km (0.106 R)
• M15: 15,623,254 km (0.078 R)
• M16: 19,210,461 km (0.092 R)
• M17: 24,505,178 km (0.057 R)
• M18: 26,494,980 km (0.054 R)
• M19: 29,587,018 km (0.084 R)
• M20: 30,700,325 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.6

Radius: 13.9

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.86 AU - 5.2 AU

Year: 6429 Days

Day: 14.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,104,626 km

• M1: 174,132 km (0.111 R)
• M2: 692,489 km (0.094 R)
• M3: 1,288,636 km (0.084 R)
• M4: 1,865,186 km (0.108 R)
• M5: 2,544,510 km (0.11 R)
• M6: 3,124,352 km (0.088 R)
• M7: 3,725,436 km (0.043 R)
• M8: 5,471,841 km (0.077 R)
• M9: 6,098,656 km (0.083 R)
• M10: 7,111,584 km (0.096 R)
• M11: 7,713,117 km (0.115 R)
• M12: 8,348,459 km (0.054 R)
• M13: 14,589,682 km (0.101 R)
• M14: 17,512,675 km (0.114 R)
• M15: 18,415,049 km (0.089 R)
• M16: 19,212,855 km (0.084 R)
• M17: 20,452,722 km (0.108 R)
• M18: 26,364,830 km (0.11 R)
• M19: 28,506,024 km (0.108 R)
• M20: 29,215,118 km (0.113 R)
• M21: 29,664,211 km (0.087 R)
• M22: 30,209,196 km (0.11 R)
• M23: 30,668,461 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.5

Radius: 11

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.97 AU - 5.53 AU

Year: 8022 Days

Day: 9.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,104,626 km

• M1: 136,732 km (0.041 R)
• M2: 568,173 km (0.071 R)
• M3: 1,586,186 km (0.093 R)
• M4: 2,772,198 km (0.094 R)
• M5: 3,161,901 km (0.07 R)
• M6: 3,730,522 km (0.097 R)
• M7: 4,286,428 km (0.097 R)
• M8: 5,407,514 km (0.107 R)
• M9: 5,887,275 km (0.09 R)
• M10: 6,822,710 km (0.09 R)
• M11: 7,269,260 km (0.11 R)
• M12: 8,097,434 km (0.073 R)
• M13: 9,988,500 km (0.053 R)
• M14: 10,565,050 km (0.041 R)
• M15: 15,430,721 km (0.087 R)
• M16: 16,663,258 km (0.064 R)
• M17: 19,693,213 km (0.102 R)
• M18: 20,219,050 km (0.048 R)
• M19: 20,677,118 km (0.093 R)
• M20: 22,254,478 km (0.079 R)
• M21: 23,238,533 km (0.082 R)
• M22: 23,910,527 km (0.1 R)
• M23: 25,558,647 km (0.113 R)
• M24: 27,096,214 km (0.09 R)
• M25: 29,176,372 km (0.119 R)
• M26: 29,958,470 km (0.109 R)
• M27: 34,621,136 km (0.104 R)
• M28: 38,917,587 km (0.1 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 12,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit