🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.1

Radius: 12.3

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.71 AU - 1.13 AU

Year: 599 Days

Day: 9.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,114,745 km

• M1: 153,039 km (0.111 R)
• M2: 627,563 km (0.12 R)
• M3: 1,054,366 km (0.115 R)
• M4: 1,649,167 km (0.07 R)
• M5: 2,227,512 km (0.12 R)
• M6: 2,710,564 km (0.065 R)
• M7: 3,179,852 km (0.093 R)
• M8: 3,950,132 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.9

Radius: 12.8

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.08 AU - 1.42 AU

Year: 948 Days

Day: 9.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,114,745 km

• M1: 159,172 km (0.062 R)
• M2: 740,061 km (0.027 R)
• M3: 1,344,586 km (0.091 R)
• M4: 2,289,446 km (0.107 R)
• M5: 2,844,155 km (0.093 R)
• M6: 3,532,006 km (0.097 R)
• M7: 3,932,180 km (0.114 R)
• M8: 4,661,021 km (0.109 R)
• M9: 5,144,372 km (0.081 R)
• M10: 5,847,930 km (0.086 R)
• M11: 6,278,174 km (0.072 R)
• M12: 8,215,765 km (0.097 R)
• M13: 9,613,309 km (0.063 R)
• M14: 10,431,011 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.2

Radius: 11.6

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.25 AU - 1.89 AU

Year: 1334 Days

Day: 5.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,114,745 km

• M1: 146,307 km (0.112 R)
• M2: 1,163,273 km (0.103 R)
• M3: 1,543,102 km (0.096 R)
• M4: 2,437,398 km (0.113 R)
• M5: 3,407,241 km (0.115 R)
• M6: 4,296,002 km (0.116 R)
• M7: 5,290,230 km (0.098 R)
• M8: 5,841,946 km (0.108 R)
• M9: 7,620,665 km (0.072 R)
• M10: 9,865,531 km (0.031 R)
• M11: 12,750,975 km (0.097 R)
• M12: 13,622,831 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.3

Radius: 11.8

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.58 AU - 2.08 AU

Year: 1679 Days

Day: 11.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,114,745 km

• M1: 146,905 km (0.106 R)
• M2: 632,799 km (0.034 R)
• M3: 1,041,650 km (0.071 R)
• M4: 1,430,754 km (0.034 R)
• M5: 2,063,403 km (0.038 R)
• M6: 2,583,555 km (0.097 R)
• M7: 3,022,625 km (0.091 R)
• M8: 3,396,769 km (0.107 R)
• M9: 3,766,874 km (0.08 R)
• M10: 4,470,433 km (0.048 R)
• M11: 5,482,463 km (0.078 R)
• M12: 6,115,561 km (0.113 R)
• M13: 7,251,308 km (0.116 R)
• M14: 9,504,102 km (0.039 R)
• M15: 10,039,364 km (0.07 R)
• M16: 10,988,113 km (0.039 R)
• M17: 12,423,505 km (0.087 R)
• M18: 14,629,176 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.6

Radius: 14.6

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.46 AU - 2.43 AU

Year: 1833 Days

Day: 10.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,114,745 km

• M1: 181,911 km (0.08 R)
• M2: 708,047 km (0.041 R)
• M3: 1,195,437 km (0.088 R)
• M4: 1,798,017 km (0.089 R)
• M5: 3,175,065 km (0.109 R)
• M6: 4,141,168 km (0.103 R)
• M7: 4,732,229 km (0.082 R)
• M8: 5,615,455 km (0.078 R)
• M9: 6,902,595 km (0.104 R)
• M10: 7,364,105 km (0.112 R)
• M11: 9,546,289 km (0.112 R)
• M12: 10,483,071 km (0.112 R)
• M13: 12,427,694 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.2

Radius: 5.5

Gravity: 20.34 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.74 AU - 7.08 AU

Year: 11007 Days

Day: 24.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,114,745 km

• M1: 71,807 km (0.082 R)
• M2: 336,745 km (0.089 R)
• M3: 636,689 km (0.116 R)
• M4: 1,727,407 km (0.063 R)
• M5: 2,143,289 km (0.089 R)
• M6: 2,423,336 km (0.119 R)
• M7: 2,834,431 km (0.086 R)
• M8: 3,982,744 km (0.105 R)
• M9: 5,967,609 km (0.053 R)
• M10: 7,649,837 km (0.106 R)
• M11: 9,624,828 km (0.097 R)
• M12: 22,985,713 km (0.103 R)
• M13: 26,917,145 km (0.1 R)
• M14: 27,313,430 km (0.116 R)
• M15: 33,391,142 km (0.106 R)
• M16: 34,310,421 km (0.112 R)
• M17: 42,949,698 km (0.092 R)
• M18: 43,355,109 km (0.094 R)
• M19: 44,586,598 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.2

Radius: 6.5

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.38 AU - 10.63 AU

Year: 16808 Days

Day: 15.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,114,745 km

• M1: 83,476 km (0.028 R)
• M2: 381,325 km (0.064 R)
• M3: 765,792 km (0.087 R)
• M4: 1,004,400 km (0.085 R)
• M5: 1,500,766 km (0.067 R)
• M6: 2,342,403 km (0.099 R)
• M7: 2,589,539 km (0.117 R)
• M8: 3,490,118 km (0.062 R)
• M9: 3,813,699 km (0.05 R)
• M10: 4,098,533 km (0.101 R)
• M11: 4,490,030 km (0.059 R)
• M12: 5,174,740 km (0.098 R)
• M13: 6,998,338 km (0.068 R)
• M14: 8,239,851 km (0.103 R)
• M15: 8,571,808 km (0.111 R)
• M16: 10,096,959 km (0.074 R)
• M17: 10,477,236 km (0.077 R)
• M18: 11,208,770 km (0.112 R)
• M19: 12,836,395 km (0.093 R)
• M20: 14,410,015 km (0.094 R)
• M21: 16,329,206 km (0.115 R)
• M22: 16,853,397 km (0.115 R)
• M23: 17,234,572 km (0.118 R)
• M24: 17,466,000 km (0.074 R)
• M25: 18,093,414 km (0.106 R)
• M26: 19,896,068 km (0.096 R)
• M27: 20,321,824 km (0.087 R)
• M28: 26,938,687 km (0.112 R)
• M29: 27,459,886 km (0.044 R)
• M30: 35,478,930 km (0.097 R)
• M31: 43,772,337 km (0.082 R)
• M32: 44,928,280 km (0.067 R)
• M33: 47,000,210 km (0.086 R)
• M34: 48,980,288 km (0.073 R)
• M35: 49,756,401 km (0.075 R)
• M36: 52,618,657 km (0.047 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 11,379 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit