🌌 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: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.2

Radius: 14.7

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.7 AU - 1.14 AU

Year: 570 Days

Day: 13.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,940,085 km

• M1: 182,958 km (0.106 R)
• M2: 695,331 km (0.068 R)
• M3: 1,154,447 km (0.03 R)
• M4: 1,631,514 km (0.062 R)
• M5: 2,251,149 km (0.088 R)
• M6: 2,731,956 km (0.052 R)
• M7: 3,638,370 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.2

Radius: 12.3

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.8 AU - 1.06 AU

Year: 579 Days

Day: 7.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 28,940,085 km

• M1: 153,039 km (0.104 R)
• M2: 571,015 km (0.113 R)
• M3: 1,243,607 km (0.078 R)
• M4: 1,762,562 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920

Radius: 10.1

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.32 AU - 1.38 AU

Year: 1013 Days

Day: 6.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,940,085 km

• M1: 126,709 km (0.11 R)
• M2: 537,804 km (0.056 R)
• M3: 1,100,292 km (0.119 R)
• M4: 1,422,227 km (0.09 R)
• M5: 1,945,221 km (0.077 R)
• M6: 2,308,894 km (0.076 R)
• M7: 3,049,403 km (0.103 R)
• M8: 3,574,492 km (0.027 R)
• M9: 4,057,244 km (0.11 R)
• M10: 4,456,521 km (0.118 R)
• M11: 4,824,980 km (0.087 R)
• M12: 5,836,112 km (0.109 R)
• M13: 6,278,024 km (0.083 R)
• M14: 6,600,557 km (0.069 R)
• M15: 6,982,630 km (0.072 R)
• M16: 7,379,663 km (0.075 R)
• M17: 8,521,693 km (0.034 R)
• M18: 9,475,080 km (0.082 R)
• M19: 9,900,537 km (0.11 R)
• M20: 10,338,559 km (0.1 R)
• M21: 10,920,794 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759

Radius: 12.5

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.17 AU - 1.55 AU

Year: 1024 Days

Day: 10.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,940,085 km

• M1: 155,432 km (0.081 R)
• M2: 554,111 km (0.065 R)
• M3: 1,030,281 km (0.118 R)
• M4: 1,437,785 km (0.054 R)
• M5: 1,955,394 km (0.055 R)
• M6: 2,478,538 km (0.115 R)
• M7: 4,318,442 km (0.076 R)
• M8: 4,984,003 km (0.114 R)
• M9: 5,431,599 km (0.108 R)
• M10: 7,153,770 km (0.062 R)
• M11: 7,674,072 km (0.116 R)
• M12: 8,790,969 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.8

Radius: 14.6

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.31 AU - 1.53 AU

Year: 1093 Days

Day: 11.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,940,085 km

• M1: 182,061 km (0.07 R)
• M2: 685,308 km (0.039 R)
• M3: 1,382,434 km (0.101 R)
• M4: 1,894,657 km (0.111 R)
• M5: 2,578,319 km (0.118 R)
• M6: 3,544,422 km (0.113 R)
• M7: 4,478,511 km (0.113 R)
• M8: 6,414,757 km (0.099 R)
• M9: 7,616,028 km (0.072 R)
• M10: 8,480,404 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.1

Radius: 9.7

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.37 AU - 5.21 AU

Year: 6769 Days

Day: 6.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 52.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,940,085 km

• M1: 120,725 km (0.112 R)
• M2: 551,867 km (0.116 R)
• M3: 928,105 km (0.104 R)
• M4: 1,244,056 km (0.059 R)
• M5: 1,801,158 km (0.102 R)
• M6: 2,245,314 km (0.111 R)
• M7: 2,629,332 km (0.086 R)
• M8: 3,651,684 km (0.116 R)
• M9: 4,413,736 km (0.068 R)
• M10: 5,045,787 km (0.103 R)
• M11: 5,544,845 km (0.107 R)
• M12: 7,912,680 km (0.094 R)
• M13: 8,334,397 km (0.106 R)
• M14: 11,407,436 km (0.072 R)
• M15: 12,690,986 km (0.044 R)
• M16: 13,966,756 km (0.099 R)
• M17: 14,793,135 km (0.115 R)
• M18: 17,586,426 km (0.114 R)
• M19: 19,358,114 km (0.076 R)
• M20: 20,911,987 km (0.096 R)
• M21: 21,313,059 km (0.117 R)
• M22: 21,651,300 km (0.112 R)
• M23: 23,253,194 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.8

Radius: 11.3

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.91 AU - 6.05 AU

Year: 7176 Days

Day: 12.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,940,085 km

• M1: 141,071 km (0.081 R)
• M2: 509,530 km (0.118 R)
• M3: 872,455 km (0.027 R)
• M4: 1,375,253 km (0.078 R)
• M5: 1,928,915 km (0.088 R)
• M6: 3,385,549 km (0.086 R)
• M7: 3,893,733 km (0.108 R)
• M8: 5,847,332 km (0.041 R)
• M9: 8,086,214 km (0.091 R)
• M10: 8,724,997 km (0.079 R)
• M11: 9,934,346 km (0.057 R)
• M12: 10,448,214 km (0.08 R)
• M13: 11,858,174 km (0.097 R)
• M14: 12,683,356 km (0.112 R)
• M15: 16,253,210 km (0.091 R)
• M16: 17,702,514 km (0.094 R)
• M17: 18,909,620 km (0.106 R)
• M18: 19,302,015 km (0.117 R)
• M19: 19,766,666 km (0.043 R)
• M20: 23,380,502 km (0.1 R)
• M21: 23,756,890 km (0.099 R)
• M22: 25,303,433 km (0.058 R)
• M23: 28,084,756 km (0.089 R)
• M24: 28,940,157 km (0.067 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 17,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit