🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.8

Radius: 8.1

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.06 AU - 1.1 AU

Year: 748 Days

Day: 7.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,910,163 km

• M1: 100,679 km (0.097 R)
• M2: 369,058 km (0.108 R)
• M3: 759,359 km (0.047 R)
• M4: 1,208,302 km (0.104 R)
• M5: 1,506,750 km (0.077 R)
• M6: 2,255,487 km (0.109 R)
• M7: 2,508,457 km (0.116 R)
• M8: 3,000,185 km (0.093 R)
• M9: 3,340,670 km (0.038 R)
• M10: 3,973,619 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.4

Radius: 10.4

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.17 AU - 2.29 AU

Year: 2221 Days

Day: 14.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,910,163 km

• M1: 129,402 km (0.112 R)
• M2: 496,665 km (0.055 R)
• M3: 831,615 km (0.059 R)
• M4: 1,641,837 km (0.116 R)
• M5: 1,986,361 km (0.088 R)
• M6: 2,458,940 km (0.119 R)
• M7: 3,510,314 km (0.084 R)
• M8: 7,066,704 km (0.106 R)
• M9: 8,112,992 km (0.119 R)
• M10: 8,705,250 km (0.073 R)
• M11: 9,528,188 km (0.08 R)
• M12: 10,223,369 km (0.093 R)
• M13: 13,134,244 km (0.082 R)
• M14: 14,574,722 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.3

Radius: 12.4

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.36 AU - 3.2 AU

Year: 3091 Days

Day: 12.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,910,163 km

• M1: 188,194 km (0.118 R)
• M2: 623,524 km (0.055 R)
• M3: 1,080,994 km (0.063 R)
• M4: 1,478,925 km (0.104 R)
• M5: 1,913,656 km (0.096 R)
• M6: 2,464,326 km (0.059 R)
• M7: 3,825,966 km (0.045 R)
• M8: 4,407,004 km (0.094 R)
• M9: 4,874,796 km (0.07 R)
• M10: 6,364,342 km (0.05 R)
• M11: 8,104,016 km (0.11 R)
• M12: 8,557,746 km (0.114 R)
• M13: 9,516,669 km (0.08 R)
• M14: 10,181,481 km (0.118 R)
• M15: 10,793,486 km (0.076 R)
• M16: 11,386,792 km (0.071 R)
• M17: 12,592,550 km (0.103 R)
• M18: 13,881,486 km (0.087 R)
• M19: 16,889,001 km (0.059 R)
• M20: 17,922,722 km (0.111 R)
• M21: 19,059,068 km (0.072 R)
• M22: 20,370,293 km (0.049 R)
• M23: 22,894,608 km (0.048 R)
• M24: 23,381,399 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.6

Radius: 14.6

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.39 AU - 3.35 AU

Year: 3242 Days

Day: 13.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,910,163 km

• M1: 182,210 km (0.106 R)
• M2: 1,027,588 km (0.111 R)
• M3: 1,482,814 km (0.113 R)
• M4: 2,314,877 km (0.098 R)
• M5: 2,898,160 km (0.049 R)
• M6: 3,780,787 km (0.115 R)
• M7: 8,141,415 km (0.051 R)
• M8: 9,311,570 km (0.118 R)
• M9: 10,383,887 km (0.042 R)
• M10: 12,076,288 km (0.03 R)
• M11: 13,795,766 km (0.045 R)
• M12: 15,728,122 km (0.092 R)
• M13: 17,016,758 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.9

Radius: 12.4

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.54 AU - 5.64 AU

Year: 6558 Days

Day: 11 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,910,163 km

• M1: 157,377 km (0.057 R)
• M2: 684,261 km (0.106 R)
• M3: 1,573,022 km (0.042 R)
• M4: 2,902,498 km (0.071 R)
• M5: 3,856,633 km (0.041 R)
• M6: 4,876,891 km (0.106 R)
• M7: 5,593,764 km (0.082 R)
• M8: 6,636,012 km (0.067 R)
• M9: 12,776,107 km (0.116 R)
• M10: 18,938,492 km (0.103 R)
• M11: 22,806,495 km (0.069 R)
• M12: 24,413,026 km (0.056 R)
• M13: 25,124,065 km (0.091 R)
• M14: 27,594,674 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.2

Radius: 7.6

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.08 AU - 7.82 AU

Year: 13560 Days

Day: 23 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,910,163 km

• M1: 95,593 km (0.095 R)
• M2: 641,476 km (0.092 R)
• M3: 1,193,193 km (0.065 R)
• M4: 1,678,189 km (0.103 R)
• M5: 2,446,823 km (0.118 R)
• M6: 3,304,617 km (0.094 R)
• M7: 4,816,752 km (0.098 R)
• M8: 6,383,790 km (0.108 R)
• M9: 7,542,126 km (0.12 R)
• M10: 8,737,862 km (0.116 R)
• M11: 12,763,541 km (0.119 R)
• M12: 13,786,940 km (0.089 R)
• M13: 22,347,528 km (0.082 R)
• M14: 24,403,302 km (0.069 R)
• M15: 28,994,760 km (0.044 R)
• M16: 31,435,898 km (0.074 R)
• M17: 34,010,627 km (0.078 R)
• M18: 38,652,350 km (0.104 R)
• M19: 55,742,859 km (0.111 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 12,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit