🌌 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: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.5

Radius: 13.5

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.44 AU - 0.72 AU

Year: 300 Days

Day: 5.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 64.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,898,795 km

• M1: 168,298 km (0.064 R)
• M2: 875,896 km (0.113 R)
• M3: 1,443,470 km (0.107 R)
• M4: 2,126,833 km (0.065 R)
• M5: 2,633,521 km (0.098 R)
• M6: 3,750,568 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.2

Radius: 8.6

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.7 AU - 0.92 AU

Year: 494 Days

Day: 13.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,898,795 km

• M1: 106,962 km (0.101 R)
• M2: 401,072 km (0.078 R)
• M3: 716,574 km (0.111 R)
• M4: 997,967 km (0.076 R)
• M5: 1,401,732 km (0.101 R)
• M6: 2,059,963 km (0.03 R)
• M7: 2,500,379 km (0.082 R)
• M8: 2,798,378 km (0.1 R)
• M9: 3,204,386 km (0.075 R)
• M10: 3,770,166 km (0.08 R)
• M11: 4,091,502 km (0.12 R)
• M12: 4,522,792 km (0.106 R)
• M13: 5,529,436 km (0.102 R)
• M14: 6,001,268 km (0.039 R)
• M15: 6,304,802 km (0.112 R)
• M16: 7,025,415 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.8

Radius: 14.2

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.06 AU - 1.16 AU

Year: 793 Days

Day: 9.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,898,795 km

• M1: 176,525 km (0.048 R)
• M2: 645,365 km (0.072 R)
• M3: 1,164,021 km (0.103 R)
• M4: 1,712,297 km (0.083 R)
• M5: 2,172,161 km (0.084 R)
• M6: 2,622,750 km (0.047 R)
• M7: 3,189,127 km (0.077 R)
• M8: 3,732,616 km (0.063 R)
• M9: 4,707,845 km (0.111 R)
• M10: 6,866,542 km (0.101 R)
• M11: 7,706,684 km (0.117 R)
• M12: 9,040,199 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.7

Radius: 10.6

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.13 AU - 1.59 AU

Year: 1076 Days

Day: 10.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 99.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,898,795 km

• M1: 131,796 km (0.119 R)
• M2: 528,978 km (0.068 R)
• M3: 1,281,156 km (0.1 R)
• M4: 1,915,900 km (0.093 R)
• M5: 2,260,424 km (0.079 R)
• M6: 2,633,820 km (0.086 R)
• M7: 3,414,571 km (0.116 R)
• M8: 4,415,232 km (0.08 R)
• M9: 5,972,695 km (0.11 R)
• M10: 6,501,972 km (0.104 R)
• M11: 7,264,622 km (0.061 R)
• M12: 8,058,389 km (0.069 R)
• M13: 9,539,258 km (0.106 R)
• M14: 10,134,957 km (0.073 R)
• M15: 10,922,589 km (0.04 R)
• M16: 11,609,692 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938

Radius: 10.8

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.61 AU - 4.17 AU

Year: 5204 Days

Day: 7.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,898,795 km

• M1: 136,732 km (0.059 R)
• M2: 638,783 km (0.1 R)
• M3: 1,126,771 km (0.109 R)
• M4: 1,555,219 km (0.083 R)
• M5: 2,076,568 km (0.075 R)
• M6: 2,533,141 km (0.102 R)
• M7: 3,016,641 km (0.077 R)
• M8: 3,999,349 km (0.111 R)
• M9: 4,902,023 km (0.064 R)
• M10: 7,215,105 km (0.114 R)
• M11: 8,309,414 km (0.074 R)
• M12: 8,834,502 km (0.075 R)
• M13: 9,424,666 km (0.093 R)
• M14: 9,817,809 km (0.117 R)
• M15: 12,256,404 km (0.119 R)
• M16: 12,619,927 km (0.114 R)
• M17: 13,368,963 km (0.031 R)
• M18: 13,977,976 km (0.086 R)
• M19: 15,191,963 km (0.099 R)
• M20: 15,733,358 km (0.107 R)
• M21: 16,349,850 km (0.075 R)
• M22: 17,175,182 km (0.113 R)
• M23: 20,032,651 km (0.066 R)
• M24: 24,316,087 km (0.104 R)
• M25: 25,559,395 km (0.091 R)
• M26: 26,497,822 km (0.058 R)
• M27: 31,829,640 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.9

Radius: 13.3

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.73 AU - 5.35 AU

Year: 7674 Days

Day: 5.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,898,795 km

• M1: 165,904 km (0.059 R)
• M2: 836,252 km (0.105 R)
• M3: 1,333,665 km (0.102 R)
• M4: 1,882,240 km (0.104 R)
• M5: 2,785,064 km (0.109 R)
• M6: 3,250,014 km (0.114 R)
• M7: 4,769,779 km (0.113 R)
• M8: 5,911,210 km (0.119 R)
• M9: 8,073,797 km (0.096 R)
• M10: 10,057,016 km (0.108 R)
• M11: 10,915,259 km (0.104 R)
• M12: 15,957,156 km (0.056 R)
• M13: 16,926,401 km (0.104 R)
• M14: 20,292,802 km (0.105 R)
• M15: 23,420,295 km (0.1 R)
• M16: 29,452,230 km (0.086 R)
• M17: 34,924,221 km (0.116 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 12,186 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit