🌌 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: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.9

Radius: 9.4

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.9 AU - 0.92 AU

Year: 579 Days

Day: 13.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,684,309 km

• M1: 116,836 km (0.047 R)
• M2: 477,965 km (0.067 R)
• M3: 773,271 km (0.115 R)
• M4: 1,328,878 km (0.085 R)
• M5: 1,647,073 km (0.105 R)
• M6: 2,025,256 km (0.081 R)
• M7: 2,627,088 km (0.088 R)
• M8: 3,111,337 km (0.052 R)
• M9: 3,654,227 km (0.119 R)
• M10: 4,098,234 km (0.088 R)
• M11: 4,945,406 km (0.107 R)
• M12: 5,281,104 km (0.074 R)
• M13: 5,942,177 km (0.109 R)
• M14: 7,130,433 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.8

Radius: 14.4

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.3 AU - 2.84 AU

Year: 2747 Days

Day: 12.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,684,309 km

• M1: 193,879 km (0.089 R)
• M2: 700,268 km (0.103 R)
• M3: 1,808,489 km (0.112 R)
• M4: 2,868,539 km (0.054 R)
• M5: 5,171,898 km (0.058 R)
• M6: 6,714,252 km (0.084 R)
• M7: 7,210,617 km (0.09 R)
• M8: 10,830,886 km (0.084 R)
• M9: 12,191,478 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.9

Radius: 12.8

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.32 AU - 3.28 AU

Year: 3124 Days

Day: 6.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,684,309 km

• M1: 159,471 km (0.105 R)
• M2: 623,075 km (0.069 R)
• M3: 1,073,215 km (0.082 R)
• M4: 1,495,380 km (0.055 R)
• M5: 1,928,915 km (0.06 R)
• M6: 2,805,409 km (0.104 R)
• M7: 3,217,252 km (0.096 R)
• M8: 4,121,571 km (0.041 R)
• M9: 5,391,806 km (0.116 R)
• M10: 7,092,734 km (0.086 R)
• M11: 7,504,128 km (0.107 R)
• M12: 8,410,093 km (0.067 R)
• M13: 9,127,116 km (0.104 R)
• M14: 9,962,620 km (0.11 R)
• M15: 11,611,787 km (0.072 R)
• M16: 12,638,776 km (0.038 R)
• M17: 14,822,157 km (0.119 R)
• M18: 16,686,296 km (0.1 R)
• M19: 19,986,724 km (0.085 R)
• M20: 20,491,318 km (0.112 R)
• M21: 21,460,413 km (0.116 R)
• M22: 21,989,541 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.3

Radius: 9.9

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.55 AU - 4.77 AU

Year: 6708 Days

Day: 8.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,684,309 km

• M1: 123,269 km (0.105 R)
• M2: 562,338 km (0.097 R)
• M3: 935,585 km (0.1 R)
• M4: 1,398,740 km (0.083 R)
• M5: 1,832,873 km (0.119 R)
• M6: 3,385,549 km (0.109 R)
• M7: 3,899,867 km (0.06 R)
• M8: 5,331,519 km (0.096 R)
• M9: 6,753,297 km (0.11 R)
• M10: 8,995,619 km (0.12 R)
• M11: 10,636,857 km (0.094 R)
• M12: 11,179,748 km (0.085 R)
• M13: 12,518,649 km (0.031 R)
• M14: 13,486,098 km (0.088 R)
• M15: 14,338,806 km (0.093 R)
• M16: 16,269,666 km (0.071 R)
• M17: 16,687,792 km (0.084 R)
• M18: 17,174,284 km (0.106 R)
• M19: 18,112,113 km (0.037 R)
• M20: 18,821,207 km (0.055 R)
• M21: 25,097,436 km (0.105 R)
• M22: 25,415,481 km (0.088 R)
• M23: 26,550,331 km (0.115 R)
• M24: 29,095,140 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.8

Radius: 6

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.17 AU - 7.29 AU

Year: 11643 Days

Day: 16.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,684,309 km

• M1: 74,649 km (0.038 R)
• M2: 336,595 km (0.087 R)
• M3: 2,618,711 km (0.053 R)
• M4: 3,699,406 km (0.095 R)
• M5: 5,097,847 km (0.107 R)
• M6: 9,391,754 km (0.095 R)
• M7: 10,298,916 km (0.097 R)
• M8: 11,387,839 km (0.074 R)
• M9: 12,910,745 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567.1

Radius: 7.4

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.82 AU - 9.74 AU

Year: 18852 Days

Day: 22.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,684,309 km

• M1: 93,648 km (0.084 R)
• M2: 526,285 km (0.083 R)
• M3: 1,581,698 km (0.113 R)
• M4: 1,944,024 km (0.119 R)
• M5: 2,602,105 km (0.098 R)
• M6: 4,889,008 km (0.118 R)
• M7: 6,725,023 km (0.049 R)
• M8: 7,820,977 km (0.099 R)
• M9: 9,084,181 km (0.082 R)
• M10: 10,074,369 km (0.066 R)
• M11: 11,754,802 km (0.106 R)
• M12: 14,107,977 km (0.037 R)
• M13: 15,206,324 km (0.118 R)
• M14: 21,659,677 km (0.091 R)
• M15: 24,538,389 km (0.061 R)
• M16: 25,059,289 km (0.08 R)
• M17: 30,440,773 km (0.075 R)
• M18: 32,767,918 km (0.104 R)
• M19: 37,498,053 km (0.095 R)
• M20: 42,663,817 km (0.111 R)
• M21: 44,178,794 km (0.086 R)
• M22: 52,122,741 km (0.08 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 13,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit