🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.3

Radius: 11.5

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.65 AU - 0.83 AU

Year: 439 Days

Day: 6.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,459,498 km

• M1: 143,614 km (0.093 R)
• M2: 595,998 km (0.115 R)
• M3: 1,056,460 km (0.064 R)
• M4: 1,615,807 km (0.079 R)
• M5: 2,181,287 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.4

Radius: 11.1

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.86 AU - 0.98 AU

Year: 609 Days

Day: 7.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,459,498 km

• M1: 138,228 km (0.086 R)
• M2: 526,136 km (0.11 R)
• M3: 1,117,496 km (0.072 R)
• M4: 1,609,673 km (0.069 R)
• M5: 2,291,839 km (0.064 R)
• M6: 2,689,620 km (0.079 R)
• M7: 3,380,014 km (0.052 R)
• M8: 3,815,494 km (0.063 R)
• M9: 4,303,332 km (0.09 R)
• M10: 4,720,112 km (0.093 R)
• M11: 5,146,915 km (0.11 R)
• M12: 5,984,064 km (0.058 R)
• M13: 6,504,665 km (0.116 R)
• M14: 7,055,335 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.6

Radius: 10.8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.76 AU - 1.2 AU

Year: 670 Days

Day: 5.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,459,498 km

• M1: 134,339 km (0.057 R)
• M2: 613,351 km (0.074 R)
• M3: 955,182 km (0.12 R)
• M4: 1,489,995 km (0.092 R)
• M5: 1,919,191 km (0.111 R)
• M6: 2,478,837 km (0.084 R)
• M7: 3,296,090 km (0.117 R)
• M8: 4,047,370 km (0.082 R)
• M9: 4,862,679 km (0.101 R)
• M10: 6,212,949 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206

Radius: 13.1

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.14 AU - 1.58 AU

Year: 1095 Days

Day: 9.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,459,498 km

• M1: 162,912 km (0.104 R)
• M2: 908,957 km (0.119 R)
• M3: 1,507,797 km (0.094 R)
• M4: 2,334,026 km (0.105 R)
• M5: 2,833,982 km (0.047 R)
• M6: 3,355,031 km (0.099 R)
• M7: 4,212,826 km (0.118 R)
• M8: 4,846,373 km (0.04 R)
• M9: 5,507,146 km (0.091 R)

Asteroid Belt

Center: 3.23 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.8

Radius: 10.1

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.18 AU - 6 AU

Year: 7927 Days

Day: 11.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,459,498 km

• M1: 125,812 km (0.094 R)
• M2: 577,747 km (0.119 R)
• M3: 925,113 km (0.094 R)
• M4: 1,687,314 km (0.104 R)
• M5: 2,076,119 km (0.086 R)
• M6: 3,103,109 km (0.111 R)
• M7: 3,793,353 km (0.078 R)
• M8: 4,848,766 km (0.103 R)
• M9: 5,510,587 km (0.08 R)
• M10: 6,267,403 km (0.07 R)
• M11: 6,746,266 km (0.093 R)
• M12: 8,594,996 km (0.103 R)
• M13: 10,001,216 km (0.093 R)
• M14: 11,829,003 km (0.093 R)
• M15: 12,446,842 km (0.063 R)
• M16: 12,909,548 km (0.107 R)
• M17: 16,545,973 km (0.104 R)
• M18: 20,333,343 km (0.119 R)
• M19: 22,555,320 km (0.086 R)
• M20: 24,481,841 km (0.083 R)
• M21: 24,934,524 km (0.104 R)
• M22: 26,515,774 km (0.073 R)
• M23: 27,965,377 km (0.12 R)
• M24: 33,845,621 km (0.068 R)
• M25: 35,204,867 km (0.105 R)
• M26: 36,482,433 km (0.053 R)
• M27: 40,249,158 km (0.107 R)
• M28: 41,517,448 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.8

Radius: 6

Gravity: 17.16 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.65 AU - 10.15 AU

Year: 16805 Days

Day: 16 Hours

Environment

Temp: -231 °C

Axial Tilt: 164.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,459,498 km

• M1: 74,649 km (0.07 R)
• M2: 431,141 km (0.061 R)
• M3: 829,371 km (0.049 R)
• M4: 1,146,069 km (0.114 R)
• M5: 1,822,401 km (0.069 R)
• M6: 2,079,560 km (0.084 R)
• M7: 3,333,190 km (0.073 R)
• M8: 6,193,053 km (0.076 R)
• M9: 6,480,580 km (0.113 R)
• M10: 8,053,153 km (0.038 R)
• M11: 8,799,048 km (0.117 R)
• M12: 12,832,057 km (0.088 R)
• M13: 14,482,121 km (0.045 R)
• M14: 14,988,809 km (0.094 R)
• M15: 23,874,324 km (0.11 R)
• M16: 26,462,816 km (0.066 R)
• M17: 27,438,793 km (0.115 R)
• M18: 33,929,695 km (0.073 R)
• M19: 39,524,655 km (0.075 R)
• M20: 46,480,358 km (0.086 R)
• M21: 47,899,293 km (0.079 R)
• M22: 57,742,385 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: 335 - 16,155 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit