🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432

Radius: 10.5

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.3 AU - 1.64 AU

Year: 1209 Days

Day: 11.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,472,860 km

• M1: 130,599 km (0.079 R)
• M2: 513,569 km (0.075 R)
• M3: 870,660 km (0.084 R)
• M4: 1,213,837 km (0.094 R)
• M5: 1,574,069 km (0.068 R)
• M6: 2,085,993 km (0.085 R)
• M7: 2,694,407 km (0.093 R)
• M8: 3,113,880 km (0.079 R)
• M9: 3,725,885 km (0.042 R)
• M10: 4,399,374 km (0.072 R)
• M11: 5,822,648 km (0.054 R)
• M12: 6,752,698 km (0.058 R)
• M13: 7,580,573 km (0.087 R)
• M14: 8,186,295 km (0.075 R)
• M15: 8,878,783 km (0.117 R)
• M16: 9,494,827 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.7

Radius: 8.3

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.04 AU - 2.52 AU

Year: 2335 Days

Day: 12.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,472,860 km

• M1: 103,372 km (0.064 R)
• M2: 1,876,256 km (0.063 R)
• M3: 3,137,815 km (0.084 R)
• M4: 3,579,578 km (0.106 R)
• M5: 4,421,365 km (0.087 R)
• M6: 5,412,601 km (0.042 R)
• M7: 5,798,713 km (0.107 R)
• M8: 6,844,551 km (0.095 R)
• M9: 8,674,133 km (0.109 R)
• M10: 10,621,150 km (0.094 R)
• M11: 10,921,393 km (0.109 R)
• M12: 13,183,612 km (0.118 R)
• M13: 14,242,465 km (0.115 R)
• M14: 16,329,356 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.3

Radius: 13.5

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.63 AU - 3.21 AU

Year: 3384 Days

Day: 7.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,472,860 km

• M1: 167,998 km (0.08 R)
• M2: 656,884 km (0.057 R)
• M3: 1,098,348 km (0.05 R)
• M4: 1,590,525 km (0.112 R)
• M5: 2,301,563 km (0.048 R)
• M6: 3,181,348 km (0.078 R)
• M7: 4,824,531 km (0.101 R)
• M8: 5,792,130 km (0.111 R)
• M9: 6,885,392 km (0.089 R)
• M10: 7,875,580 km (0.103 R)
• M11: 9,031,672 km (0.111 R)
• M12: 9,708,303 km (0.074 R)
• M13: 10,499,676 km (0.104 R)
• M14: 12,166,346 km (0.093 R)
• M15: 13,323,785 km (0.103 R)
• M16: 14,502,766 km (0.041 R)
• M17: 16,455,018 km (0.113 R)
• M18: 18,997,882 km (0.103 R)
• M19: 19,425,433 km (0.09 R)
• M20: 22,059,702 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.4

Radius: 14.2

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.75 AU - 3.15 AU

Year: 3437 Days

Day: 9.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,472,860 km

• M1: 177,124 km (0.095 R)
• M2: 2,277,777 km (0.119 R)
• M3: 3,235,353 km (0.082 R)
• M4: 4,062,330 km (0.072 R)
• M5: 5,380,138 km (0.116 R)
• M6: 6,832,434 km (0.109 R)
• M7: 7,839,078 km (0.094 R)
• M8: 10,042,355 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.2

Radius: 14.5

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.17 AU - 3.57 AU

Year: 4196 Days

Day: 5.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,472,860 km

• M1: 180,714 km (0.113 R)
• M2: 841,488 km (0.116 R)
• M3: 1,392,906 km (0.104 R)
• M4: 1,973,645 km (0.058 R)
• M5: 4,317,544 km (0.114 R)
• M6: 5,416,341 km (0.101 R)
• M7: 5,933,201 km (0.113 R)
• M8: 7,420,653 km (0.1 R)
• M9: 10,572,381 km (0.071 R)
• M10: 11,471,165 km (0.088 R)
• M11: 12,235,759 km (0.101 R)
• M12: 12,795,555 km (0.116 R)
• M13: 13,816,710 km (0.109 R)
• M14: 18,209,801 km (0.103 R)
• M15: 20,461,099 km (0.119 R)
• M16: 21,251,126 km (0.094 R)
• M17: 24,323,267 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362

Radius: 12.8

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.11 AU - 5.15 AU

Year: 6757 Days

Day: 12.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 162.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,472,860 km

• M1: 159,920 km (0.101 R)
• M2: 724,203 km (0.094 R)
• M3: 1,140,983 km (0.029 R)
• M4: 1,555,668 km (0.039 R)
• M5: 2,296,028 km (0.089 R)
• M6: 3,143,500 km (0.066 R)
• M7: 4,308,718 km (0.058 R)
• M8: 5,598,401 km (0.072 R)
• M9: 6,101,499 km (0.078 R)
• M10: 6,699,591 km (0.105 R)
• M11: 7,510,561 km (0.059 R)
• M12: 10,296,522 km (0.028 R)
• M13: 10,827,595 km (0.117 R)
• M14: 12,041,282 km (0.102 R)
• M15: 12,631,147 km (0.084 R)
• M16: 13,922,176 km (0.101 R)
• M17: 21,084,025 km (0.099 R)
• M18: 29,752,174 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.8

Radius: 4.3

Gravity: 16.32 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.31 AU - 10.65 AU

Year: 18252 Days

Day: 24.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,472,860 km

• M1: 54,005 km (0.082 R)
• M2: 340,186 km (0.083 R)
• M3: 557,402 km (0.061 R)
• M4: 768,783 km (0.098 R)
• M5: 1,043,445 km (0.09 R)
• M6: 1,380,639 km (0.078 R)
• M7: 1,522,757 km (0.057 R)
• M8: 1,770,640 km (0.078 R)
• M9: 2,923,292 km (0.111 R)
• M10: 3,134,823 km (0.108 R)
• M11: 3,804,124 km (0.12 R)
• M12: 4,689,145 km (0.065 R)
• M13: 5,959,680 km (0.05 R)
• M14: 6,693,906 km (0.098 R)
• M15: 7,020,478 km (0.071 R)
• M16: 8,575,100 km (0.067 R)
• M17: 8,862,776 km (0.102 R)
• M18: 9,713,091 km (0.082 R)
• M19: 10,184,773 km (0.082 R)
• M20: 17,164,710 km (0.108 R)
• M21: 18,008,592 km (0.108 R)
• M22: 19,366,641 km (0.053 R)
• M23: 21,223,600 km (0.111 R)
• M24: 26,378,144 km (0.087 R)
• M25: 29,948,895 km (0.115 R)
• M26: 30,499,864 km (0.089 R)
• M27: 34,546,636 km (0.114 R)
• M28: 46,124,464 km (0.083 R)
• M29: 47,900,041 km (0.118 R)
• M30: 52,537,127 km (0.107 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 10,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit