🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.3

Radius: 15

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.03 AU - 1.47 AU

Year: 982 Days

Day: 14.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,466,454 km

• M1: 186,848 km (0.106 R)
• M2: 816,056 km (0.026 R)
• M3: 1,532,929 km (0.083 R)
• M4: 2,226,764 km (0.118 R)
• M5: 3,556,689 km (0.059 R)
• M6: 4,805,832 km (0.109 R)
• M7: 7,227,522 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.6

Radius: 9.4

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.63 AU - 1.87 AU

Year: 1627 Days

Day: 8.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,466,454 km

• M1: 116,836 km (0.085 R)
• M2: 448,494 km (0.083 R)
• M3: 863,329 km (0.102 R)
• M4: 1,224,608 km (0.05 R)
• M5: 1,784,703 km (0.095 R)
• M6: 2,090,630 km (0.1 R)
• M7: 2,432,013 km (0.112 R)
• M8: 3,228,472 km (0.08 R)
• M9: 3,589,003 km (0.073 R)
• M10: 4,372,746 km (0.11 R)
• M11: 4,935,683 km (0.065 R)
• M12: 5,524,201 km (0.101 R)
• M13: 6,088,633 km (0.047 R)
• M14: 7,519,387 km (0.099 R)
• M15: 9,348,072 km (0.096 R)
• M16: 9,727,302 km (0.1 R)
• M17: 10,149,916 km (0.102 R)
• M18: 11,031,646 km (0.064 R)
• M19: 12,486,785 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.2

Radius: 11.1

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.64 AU - 1.88 AU

Year: 1641 Days

Day: 5.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,466,454 km

• M1: 138,976 km (0.084 R)
• M2: 544,835 km (0.026 R)
• M3: 925,113 km (0.112 R)
• M4: 1,273,826 km (0.072 R)
• M5: 2,754,994 km (0.118 R)
• M6: 3,126,296 km (0.083 R)
• M7: 4,465,945 km (0.06 R)
• M8: 5,182,669 km (0.098 R)
• M9: 5,665,870 km (0.091 R)
• M10: 6,869,833 km (0.119 R)
• M11: 7,453,714 km (0.108 R)
• M12: 7,960,851 km (0.119 R)
• M13: 8,519,449 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.5

Radius: 14.3

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.8 AU - 2.72 AU

Year: 2388 Days

Day: 7.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,466,454 km

• M1: 178,171 km (0.087 R)
• M2: 623,075 km (0.104 R)
• M3: 1,080,695 km (0.079 R)
• M4: 1,649,466 km (0.071 R)
• M5: 3,196,308 km (0.093 R)
• M6: 4,900,078 km (0.119 R)
• M7: 5,648,666 km (0.116 R)
• M8: 6,684,631 km (0.029 R)
• M9: 8,031,311 km (0.102 R)
• M10: 9,828,431 km (0.115 R)
• M11: 11,497,195 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866

Radius: 11.8

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.29 AU - 3.31 AU

Year: 4214 Days

Day: 14.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,466,454 km

• M1: 164,558 km (0.089 R)
• M2: 621,729 km (0.077 R)
• M3: 1,226,703 km (0.101 R)
• M4: 2,001,769 km (0.079 R)
• M5: 2,565,603 km (0.058 R)
• M6: 2,968,022 km (0.09 R)
• M7: 4,128,901 km (0.052 R)
• M8: 5,101,736 km (0.066 R)
• M9: 5,743,661 km (0.049 R)
• M10: 6,888,832 km (0.06 R)
• M11: 8,981,856 km (0.034 R)
• M12: 11,192,165 km (0.107 R)
• M13: 13,743,407 km (0.097 R)
• M14: 16,779,795 km (0.096 R)
• M15: 22,496,677 km (0.105 R)
• M16: 24,220,942 km (0.086 R)
• M17: 27,094,269 km (0.11 R)
• M18: 27,678,149 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.3

Radius: 5.4

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.63 AU - 8.83 AU

Year: 16596 Days

Day: 16.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 64 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,466,454 km

• M1: 695,331 km (0.078 R)
• M2: 895,194 km (0.098 R)
• M3: 1,369,269 km (0.109 R)
• M4: 2,406,581 km (0.082 R)
• M5: 3,709,130 km (0.116 R)
• M6: 5,914,801 km (0.089 R)
• M7: 6,217,736 km (0.095 R)
• M8: 7,291,251 km (0.105 R)
• M9: 9,225,102 km (0.08 R)
• M10: 10,571,633 km (0.05 R)
• M11: 13,081,137 km (0.04 R)
• M12: 13,910,508 km (0.082 R)
• M13: 17,456,576 km (0.092 R)
• M14: 17,704,010 km (0.081 R)
• M15: 23,912,472 km (0.061 R)
• M16: 26,024,494 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.5

Radius: 4.9

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.3 AU - 10.46 AU

Year: 17052 Days

Day: 20.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 39,466,454 km

• M1: 61,485 km (0.119 R)
• M2: 298,448 km (0.077 R)
• M3: 612,454 km (0.104 R)
• M4: 769,681 km (0.107 R)
• M5: 926,011 km (0.094 R)
• M6: 1,124,826 km (0.048 R)
• M7: 3,846,760 km (0.118 R)
• M8: 5,226,800 km (0.117 R)
• M9: 5,698,183 km (0.06 R)
• M10: 6,724,873 km (0.113 R)
• M11: 6,907,233 km (0.112 R)
• M12: 8,615,192 km (0.069 R)
• M13: 10,246,257 km (0.117 R)
• M14: 10,783,164 km (0.112 R)
• M15: 11,965,735 km (0.083 R)
• M16: 12,671,239 km (0.103 R)
• M17: 13,461,564 km (0.113 R)
• M18: 14,891,870 km (0.084 R)
• M19: 15,264,668 km (0.061 R)
• M20: 15,580,169 km (0.115 R)
• M21: 16,818,541 km (0.115 R)
• M22: 17,980,916 km (0.104 R)
• M23: 18,545,947 km (0.085 R)
• M24: 18,977,537 km (0.106 R)
• M25: 23,333,378 km (0.04 R)
• M26: 25,300,291 km (0.041 R)
• M27: 28,501,237 km (0.079 R)
• M28: 28,787,567 km (0.105 R)
• M29: 31,046,644 km (0.059 R)
• M30: 31,654,909 km (0.083 R)
• M31: 32,686,237 km (0.101 R)
• M32: 36,248,162 km (0.054 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: 485 - 18,389 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit