🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.37 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.5

Radius: 8.4

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.4 AU - 3.06 AU

Year: 2868 Days

Day: 6.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 60,772,127 km

• M1: 110,852 km (0.11 R)
• M2: 1,097,600 km (0.119 R)
• M3: 1,879,248 km (0.117 R)
• M4: 2,319,665 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.6

Radius: 8

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.39 AU - 3.89 AU

Year: 3538 Days

Day: 9 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,772,127 km

• M1: 99,483 km (0.093 R)
• M2: 520,750 km (0.096 R)
• M3: 896,241 km (0.061 R)
• M4: 1,195,736 km (0.087 R)
• M5: 1,481,468 km (0.095 R)
• M6: 2,205,372 km (0.119 R)
• M7: 2,774,592 km (0.073 R)
• M8: 3,042,970 km (0.055 R)
• M9: 4,203,401 km (0.113 R)
• M10: 6,232,247 km (0.096 R)
• M11: 6,695,103 km (0.105 R)
• M12: 8,279,494 km (0.075 R)
• M13: 9,935,543 km (0.117 R)
• M14: 10,264,807 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88

Radius: 8.7

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.09 AU - 3.95 AU

Year: 4199 Days

Day: 9 Hours

Environment

Temp: -198 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,772,127 km

• M1: 108,309 km (0.091 R)
• M2: 636,988 km (0.041 R)
• M3: 912,397 km (0.09 R)
• M4: 2,322,208 km (0.037 R)
• M5: 2,760,530 km (0.04 R)
• M6: 3,635,079 km (0.026 R)
• M7: 4,264,287 km (0.094 R)
• M8: 4,605,221 km (0.103 R)
• M9: 5,277,813 km (0.099 R)
• M10: 5,582,245 km (0.091 R)
• M11: 6,037,471 km (0.109 R)
• M12: 6,616,415 km (0.115 R)
• M13: 7,337,925 km (0.081 R)
• M14: 8,815,803 km (0.054 R)
• M15: 10,516,431 km (0.112 R)
• M16: 10,860,357 km (0.087 R)
• M17: 12,732,275 km (0.076 R)
• M18: 13,481,611 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.3

Radius: 12.4

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.03 AU - 4.29 AU

Year: 5395 Days

Day: 9.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,772,127 km

• M1: 154,385 km (0.097 R)
• M2: 586,124 km (0.082 R)
• M3: 1,062,893 km (0.068 R)
• M4: 1,871,918 km (0.032 R)
• M5: 2,329,837 km (0.074 R)
• M6: 3,368,196 km (0.106 R)
• M7: 4,225,841 km (0.081 R)
• M8: 5,052,070 km (0.085 R)
• M9: 5,609,920 km (0.085 R)
• M10: 6,540,569 km (0.097 R)
• M11: 7,061,019 km (0.039 R)
• M12: 8,028,619 km (0.065 R)
• M13: 12,906,855 km (0.078 R)
• M14: 13,895,997 km (0.073 R)
• M15: 15,112,826 km (0.057 R)
• M16: 16,462,647 km (0.11 R)
• M17: 17,493,676 km (0.111 R)
• M18: 18,911,714 km (0.11 R)
• M19: 19,401,049 km (0.042 R)
• M20: 20,114,780 km (0.053 R)
• M21: 21,822,589 km (0.09 R)
• M22: 22,672,754 km (0.075 R)
• M23: 23,544,910 km (0.115 R)
• M24: 26,817,961 km (0.083 R)
• M25: 27,435,950 km (0.057 R)
• M26: 27,973,156 km (0.079 R)
• M27: 33,943,458 km (0.119 R)
• M28: 34,979,872 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.7

Radius: 13.5

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.05 AU - 5.57 AU

Year: 6707 Days

Day: 12.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,772,127 km

• M1: 168,298 km (0.049 R)
• M2: 701,464 km (0.081 R)
• M3: 1,266,196 km (0.109 R)
• M4: 1,740,870 km (0.119 R)
• M5: 2,380,850 km (0.088 R)
• M6: 2,868,539 km (0.081 R)
• M7: 4,297,049 km (0.067 R)
• M8: 6,305,849 km (0.097 R)
• M9: 6,798,326 km (0.1 R)
• M10: 7,860,770 km (0.116 R)
• M11: 11,534,445 km (0.087 R)
• M12: 13,291,322 km (0.049 R)
• M13: 15,220,387 km (0.07 R)
• M14: 19,562,914 km (0.09 R)
• M15: 22,616,505 km (0.116 R)
• M16: 23,190,812 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615

Radius: 5.3

Gravity: 21.89 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.07 AU - 9.43 AU

Year: 15067 Days

Day: 15.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,772,127 km

• M1: 67,768 km (0.104 R)
• M2: 558,898 km (0.092 R)
• M3: 833,859 km (0.089 R)
• M4: 1,531,284 km (0.089 R)
• M5: 7,120,859 km (0.118 R)
• M6: 9,052,616 km (0.1 R)
• M7: 9,309,775 km (0.079 R)
• M8: 11,486,723 km (0.114 R)
• M9: 12,407,348 km (0.088 R)
• M10: 13,642,727 km (0.12 R)
• M11: 14,394,307 km (0.098 R)
• M12: 14,886,783 km (0.088 R)
• M13: 24,965,940 km (0.114 R)
• M14: 26,609,422 km (0.093 R)
• M15: 29,882,923 km (0.107 R)
• M16: 31,147,473 km (0.082 R)
• M17: 45,062,469 km (0.096 R)
• M18: 47,956,440 km (0.036 R)
• M19: 52,608,485 km (0.115 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 13,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit