🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.2

Radius: 11.7

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.41 AU - 1.63 AU

Year: 1317 Days

Day: 10 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,927,931 km

• M1: 146,456 km (0.072 R)
• M2: 594,053 km (0.111 R)
• M3: 1,112,111 km (0.041 R)
• M4: 1,481,767 km (0.116 R)
• M5: 1,963,622 km (0.11 R)
• M6: 2,370,827 km (0.113 R)
• M7: 2,834,730 km (0.099 R)
• M8: 4,025,529 km (0.116 R)
• M9: 4,690,192 km (0.057 R)
• M10: 5,235,776 km (0.108 R)
• M11: 5,622,786 km (0.078 R)
• M12: 6,697,048 km (0.057 R)
• M13: 7,130,732 km (0.103 R)
• M14: 7,534,497 km (0.074 R)
• M15: 8,388,102 km (0.116 R)
• M16: 9,333,112 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.3

Radius: 9.7

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.29 AU - 1.91 AU

Year: 1423 Days

Day: 10.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,927,931 km

• M1: 122,072 km (0.083 R)
• M2: 424,708 km (0.117 R)
• M3: 744,698 km (0.085 R)
• M4: 1,226,852 km (0.114 R)
• M5: 1,625,231 km (0.107 R)
• M6: 2,063,703 km (0.102 R)
• M7: 2,386,236 km (0.064 R)
• M8: 2,812,590 km (0.106 R)
• M9: 3,119,564 km (0.081 R)
• M10: 3,432,673 km (0.075 R)
• M11: 5,007,490 km (0.114 R)
• M12: 5,550,829 km (0.066 R)
• M13: 6,254,238 km (0.106 R)
• M14: 6,884,793 km (0.096 R)
• M15: 7,255,946 km (0.076 R)
• M16: 8,571,210 km (0.115 R)
• M17: 9,158,382 km (0.077 R)
• M18: 10,310,136 km (0.117 R)
• M19: 11,555,688 km (0.059 R)
• M20: 11,967,231 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.9

Radius: 9.4

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.75 AU - 2.13 AU

Year: 1899 Days

Day: 12.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,927,931 km

• M1: 118,033 km (0.095 R)
• M2: 528,529 km (0.039 R)
• M3: 904,170 km (0.054 R)
• M4: 1,468,004 km (0.067 R)
• M5: 1,857,856 km (0.117 R)
• M6: 2,277,328 km (0.102 R)
• M7: 2,939,897 km (0.089 R)
• M8: 3,618,174 km (0.091 R)
• M9: 4,924,463 km (0.109 R)
• M10: 5,612,463 km (0.114 R)
• M11: 5,954,893 km (0.103 R)
• M12: 6,285,205 km (0.06 R)
• M13: 6,982,929 km (0.101 R)
• M14: 7,524,773 km (0.073 R)
• M15: 8,374,040 km (0.111 R)
• M16: 8,985,895 km (0.104 R)
• M17: 10,738,584 km (0.11 R)
• M18: 11,114,823 km (0.056 R)
• M19: 12,053,699 km (0.108 R)
• M20: 12,749,927 km (0.056 R)
• M21: 13,472,934 km (0.047 R)
• M22: 14,676,897 km (0.097 R)
• M23: 15,000,478 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.7

Radius: 6.8

Gravity: 18.74 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.77 AU - 6.23 AU

Year: 10331 Days

Day: 21.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 29,927,931 km

• M1: 84,523 km (0.066 R)
• M2: 703,260 km (0.093 R)
• M3: 1,184,666 km (0.071 R)
• M4: 1,660,387 km (0.075 R)
• M5: 2,372,024 km (0.062 R)
• M6: 3,246,573 km (0.108 R)
• M7: 3,650,786 km (0.032 R)
• M8: 4,231,825 km (0.119 R)
• M9: 5,717,780 km (0.118 R)
• M10: 6,081,901 km (0.096 R)
• M11: 7,060,122 km (0.076 R)
• M12: 10,351,873 km (0.095 R)
• M13: 10,674,406 km (0.118 R)
• M14: 12,388,648 km (0.069 R)
• M15: 13,564,637 km (0.097 R)
• M16: 14,081,348 km (0.036 R)
• M17: 15,500,284 km (0.065 R)
• M18: 18,150,261 km (0.113 R)
• M19: 19,177,101 km (0.094 R)
• M20: 23,030,742 km (0.114 R)
• M21: 26,462,517 km (0.115 R)
• M22: 27,065,845 km (0.076 R)
• M23: 30,769,140 km (0.111 R)
• M24: 31,324,448 km (0.091 R)
• M25: 39,032,628 km (0.044 R)
• M26: 43,739,276 km (0.117 R)
• M27: 45,579,629 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.8

Radius: 6

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.46 AU - 8.66 AU

Year: 17604 Days

Day: 17.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,927,931 km

• M1: 76,744 km (0.046 R)
• M2: 282,590 km (0.099 R)
• M3: 477,068 km (0.099 R)
• M4: 1,025,643 km (0.092 R)
• M5: 1,332,767 km (0.073 R)
• M6: 1,738,776 km (0.098 R)
• M7: 3,134,674 km (0.027 R)
• M8: 3,522,731 km (0.058 R)
• M9: 4,595,048 km (0.067 R)
• M10: 5,123,129 km (0.088 R)
• M11: 5,779,714 km (0.078 R)
• M12: 8,048,066 km (0.055 R)
• M13: 9,586,232 km (0.109 R)
• M14: 9,796,716 km (0.074 R)
• M15: 10,183,277 km (0.059 R)
• M16: 10,759,378 km (0.036 R)
• M17: 12,871,550 km (0.095 R)
• M18: 17,832,066 km (0.113 R)
• M19: 22,794,377 km (0.062 R)
• M20: 25,268,128 km (0.109 R)
• M21: 27,489,806 km (0.087 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 10,433 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit