🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

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: 195.8

Radius: 12.1

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.78 AU - 1.04 AU

Year: 552 Days

Day: 7.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,686,202 km

• M1: 150,495 km (0.062 R)
• M2: 537,954 km (0.044 R)
• M3: 1,087,726 km (0.073 R)
• M4: 1,554,771 km (0.108 R)
• M5: 2,055,624 km (0.083 R)
• M6: 2,520,575 km (0.077 R)
• M7: 2,946,480 km (0.093 R)
• M8: 3,324,065 km (0.084 R)
• M9: 3,898,072 km (0.095 R)
• M10: 4,563,932 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.4

Radius: 12.4

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.75 AU - 2.13 AU

Year: 1718 Days

Day: 9.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,686,202 km

• M1: 155,582 km (0.104 R)
• M2: 575,653 km (0.097 R)
• M3: 1,216,530 km (0.108 R)
• M4: 2,378,606 km (0.115 R)
• M5: 2,877,216 km (0.12 R)
• M6: 3,773,307 km (0.088 R)
• M7: 4,324,276 km (0.034 R)
• M8: 4,787,132 km (0.114 R)
• M9: 5,477,975 km (0.076 R)
• M10: 5,951,452 km (0.106 R)
• M11: 7,349,295 km (0.051 R)
• M12: 9,423,170 km (0.053 R)
• M13: 10,475,292 km (0.059 R)
• M14: 12,656,877 km (0.088 R)
• M15: 13,246,592 km (0.109 R)
• M16: 13,813,419 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.8

Radius: 12.4

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.22 AU - 3.68 AU

Year: 3222 Days

Day: 7.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,686,202 km

• M1: 154,385 km (0.094 R)
• M2: 857,944 km (0.075 R)
• M3: 1,327,083 km (0.113 R)
• M4: 1,968,858 km (0.063 R)
• M5: 2,825,305 km (0.026 R)
• M6: 3,418,162 km (0.075 R)
• M7: 4,152,837 km (0.116 R)
• M8: 5,341,242 km (0.111 R)
• M9: 7,381,757 km (0.085 R)
• M10: 9,824,691 km (0.043 R)
• M11: 11,631,234 km (0.086 R)
• M12: 12,209,879 km (0.063 R)
• M13: 13,604,580 km (0.115 R)
• M14: 16,812,706 km (0.066 R)
• M15: 17,606,622 km (0.058 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.4

Radius: 5.4

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.58 AU - 6.74 AU

Year: 10928 Days

Day: 21.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,686,202 km

• M1: 416,929 km (0.07 R)
• M2: 585,825 km (0.087 R)
• M3: 793,916 km (0.111 R)
• M4: 1,421,329 km (0.076 R)
• M5: 2,034,381 km (0.082 R)
• M6: 2,417,202 km (0.11 R)
• M7: 2,716,548 km (0.096 R)
• M8: 3,020,381 km (0.111 R)
• M9: 3,810,407 km (0.111 R)
• M10: 5,697,884 km (0.096 R)
• M11: 6,228,358 km (0.101 R)
• M12: 7,941,553 km (0.042 R)
• M13: 12,264,781 km (0.115 R)
• M14: 16,228,826 km (0.098 R)
• M15: 17,936,486 km (0.108 R)
• M16: 19,002,969 km (0.077 R)
• M17: 19,690,670 km (0.083 R)
• M18: 25,468,589 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.3

Radius: 3

Gravity: 32.14 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.46 AU - 7.74 AU

Year: 13322 Days

Day: 21.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,686,202 km

• M1: 37,549 km (0.098 R)
• M2: 401,221 km (0.071 R)
• M3: 1,033,721 km (0.075 R)
• M4: 1,643,632 km (0.083 R)
• M5: 2,170,216 km (0.097 R)
• M6: 3,306,562 km (0.097 R)
• M7: 6,296,425 km (0.058 R)
• M8: 7,841,920 km (0.107 R)
• M9: 10,455,395 km (0.077 R)
• M10: 11,710,671 km (0.085 R)
• M11: 18,170,606 km (0.11 R)
• M12: 24,111,138 km (0.097 R)
• M13: 26,753,335 km (0.084 R)
• M14: 28,881,963 km (0.096 R)
• M15: 36,516,990 km (0.036 R)
• M16: 39,251,938 km (0.083 R)
• M17: 42,632,850 km (0.096 R)
• M18: 43,020,009 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.8

Radius: 6.7

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8.08 AU - 12.08 AU

Year: 20348 Days

Day: 24.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,686,202 km

• M1: 85,720 km (0.105 R)
• M2: 310,266 km (0.088 R)
• M3: 584,180 km (0.045 R)
• M4: 1,055,563 km (0.114 R)
• M5: 1,275,172 km (0.067 R)
• M6: 1,808,937 km (0.061 R)
• M7: 3,474,411 km (0.099 R)
• M8: 5,769,242 km (0.108 R)
• M9: 8,007,076 km (0.116 R)
• M10: 9,130,108 km (0.115 R)
• M11: 13,959,127 km (0.088 R)
• M12: 15,731,562 km (0.114 R)
• M13: 17,155,734 km (0.059 R)
• M14: 25,582,732 km (0.103 R)
• M15: 26,880,793 km (0.065 R)
• M16: 33,396,079 km (0.114 R)
• M17: 36,004,318 km (0.074 R)
• M18: 36,948,280 km (0.071 R)
• M19: 42,214,126 km (0.068 R)
• M20: 47,635,702 km (0.073 R)
• M21: 48,283,461 km (0.1 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 10,858 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit