🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.2

Radius: 11.7

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.62 AU - 0.96 AU

Year: 446 Days

Day: 14.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,720,536 km

• M1: 145,559 km (0.112 R)
• M2: 586,124 km (0.095 R)
• M3: 959,371 km (0.111 R)
• M4: 1,335,161 km (0.108 R)
• M5: 1,976,188 km (0.076 R)
• M6: 2,485,718 km (0.055 R)
• M7: 2,866,146 km (0.111 R)
• M8: 3,462,443 km (0.112 R)
• M9: 4,005,932 km (0.098 R)
• M10: 4,576,348 km (0.103 R)
• M11: 5,525,248 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110

Radius: 14.8

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.86 AU - 0.96 AU

Year: 552 Days

Day: 5.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 17,720,536 km

• M1: 184,155 km (0.033 R)
• M2: 728,093 km (0.061 R)
• M3: 1,289,085 km (0.087 R)
• M4: 2,245,763 km (0.119 R)
• M5: 2,847,147 km (0.083 R)
• M6: 3,670,085 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.7

Radius: 11.6

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.81 AU - 1.19 AU

Year: 636 Days

Day: 14 Hours

Environment

Temp: -158 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,720,536 km

• M1: 144,362 km (0.106 R)
• M2: 522,246 km (0.111 R)
• M3: 941,868 km (0.059 R)
• M4: 1,303,297 km (0.067 R)
• M5: 1,831,377 km (0.042 R)
• M6: 2,247,858 km (0.094 R)
• M7: 3,027,412 km (0.093 R)
• M8: 4,278,499 km (0.112 R)
• M9: 5,103,083 km (0.095 R)
• M10: 6,030,589 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.8

Radius: 8.2

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.01 AU - 1.31 AU

Year: 794 Days

Day: 11.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,720,536 km

• M1: 102,026 km (0.084 R)
• M2: 418,724 km (0.095 R)
• M3: 950,545 km (0.097 R)
• M4: 1,493,136 km (0.093 R)
• M5: 1,802,954 km (0.074 R)
• M6: 2,302,610 km (0.114 R)
• M7: 2,833,384 km (0.103 R)
• M8: 3,566,264 km (0.084 R)
• M9: 3,965,241 km (0.082 R)
• M10: 4,419,719 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622

Radius: 9.2

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.73 AU - 3.87 AU

Year: 4710 Days

Day: 5.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 17,720,536 km

• M1: 114,442 km (0.116 R)
• M2: 491,728 km (0.028 R)
• M3: 892,800 km (0.055 R)
• M4: 1,283,550 km (0.066 R)
• M5: 1,748,949 km (0.057 R)
• M6: 2,750,357 km (0.048 R)
• M7: 3,612,340 km (0.073 R)
• M8: 4,327,866 km (0.112 R)
• M9: 5,602,590 km (0.068 R)
• M10: 6,219,531 km (0.106 R)
• M11: 6,687,324 km (0.075 R)
• M12: 8,606,366 km (0.05 R)
• M13: 9,069,521 km (0.107 R)
• M14: 9,961,722 km (0.056 R)
• M15: 10,257,477 km (0.107 R)
• M16: 10,690,264 km (0.107 R)
• M17: 12,253,562 km (0.103 R)
• M18: 13,342,933 km (0.077 R)
• M19: 14,549,590 km (0.106 R)
• M20: 15,713,461 km (0.116 R)
• M21: 16,057,237 km (0.109 R)
• M22: 20,514,356 km (0.052 R)
• M23: 24,717,907 km (0.105 R)
• M24: 26,131,008 km (0.096 R)
• M25: 27,349,034 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.7

Radius: 13.7

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.76 AU - 5 AU

Year: 5828 Days

Day: 10.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 17,720,536 km

• M1: 170,392 km (0.093 R)
• M2: 824,733 km (0.051 R)
• M3: 1,638,396 km (0.117 R)
• M4: 2,832,486 km (0.091 R)
• M5: 3,457,955 km (0.101 R)
• M6: 5,263,751 km (0.091 R)
• M7: 7,207,326 km (0.045 R)
• M8: 9,423,469 km (0.069 R)
• M9: 10,687,571 km (0.084 R)
• M10: 12,869,007 km (0.097 R)
• M11: 14,647,277 km (0.092 R)
• M12: 16,219,850 km (0.052 R)
• M13: 20,605,461 km (0.053 R)
• M14: 22,955,494 km (0.084 R)
• M15: 29,784,637 km (0.115 R)
• M16: 30,885,827 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.1

Radius: 9.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.93 AU - 5.13 AU

Year: 6130 Days

Day: 11 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 17,720,536 km

• M1: 123,418 km (0.078 R)
• M2: 826,977 km (0.082 R)
• M3: 1,300,753 km (0.106 R)
• M4: 2,296,477 km (0.057 R)
• M5: 2,787,756 km (0.114 R)
• M6: 3,115,226 km (0.064 R)
• M7: 3,433,720 km (0.105 R)
• M8: 5,090,816 km (0.059 R)
• M9: 5,705,214 km (0.097 R)
• M10: 6,107,483 km (0.078 R)
• M11: 6,448,117 km (0.107 R)
• M12: 7,283,023 km (0.067 R)
• M13: 7,636,523 km (0.053 R)
• M14: 8,378,079 km (0.111 R)
• M15: 9,475,080 km (0.075 R)
• M16: 13,603,832 km (0.118 R)
• M17: 14,369,175 km (0.09 R)
• M18: 14,973,700 km (0.1 R)
• M19: 17,353,503 km (0.071 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 17,148 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit