🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.48 AU - 0.6 AU

Year: 260 Days

Day: 33.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 15.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.9

Radius: 8.9

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.55 AU - 0.87 AU

Year: 392 Days

Day: 11.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,627,333 km

• M1: 111,600 km (0.11 R)
• M2: 469,289 km (0.081 R)
• M3: 819,348 km (0.077 R)
• M4: 1,148,164 km (0.045 R)
• M5: 1,558,660 km (0.095 R)
• M6: 2,210,309 km (0.054 R)
• M7: 3,466,781 km (0.074 R)
• M8: 3,850,799 km (0.086 R)
• M9: 4,959,469 km (0.109 R)
• M10: 5,367,272 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.5

Radius: 15

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.88 AU - 1.34 AU

Year: 767 Days

Day: 10.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,627,333 km

• M1: 194,328 km (0.071 R)
• M2: 668,852 km (0.106 R)
• M3: 1,388,717 km (0.108 R)
• M4: 1,961,228 km (0.115 R)
• M5: 2,552,888 km (0.066 R)
• M6: 3,044,167 km (0.077 R)
• M7: 3,532,604 km (0.09 R)
• M8: 4,001,444 km (0.118 R)
• M9: 5,117,594 km (0.047 R)
• M10: 5,593,315 km (0.075 R)
• M11: 7,137,464 km (0.072 R)
• M12: 7,688,433 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.4

Radius: 12.6

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.95 AU - 1.35 AU

Year: 809 Days

Day: 12.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,627,333 km

• M1: 156,779 km (0.109 R)
• M2: 561,441 km (0.082 R)
• M3: 1,118,094 km (0.068 R)
• M4: 1,558,361 km (0.065 R)
• M5: 2,176,649 km (0.103 R)
• M6: 2,648,630 km (0.036 R)
• M7: 3,352,787 km (0.067 R)
• M8: 4,276,106 km (0.076 R)
• M9: 4,735,969 km (0.112 R)
• M10: 5,209,895 km (0.092 R)
• M11: 5,898,046 km (0.119 R)
• M12: 6,690,615 km (0.112 R)
• M13: 7,360,514 km (0.057 R)
• M14: 9,052,317 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.3

Radius: 9.2

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.92 AU - 2.92 AU

Year: 2470 Days

Day: 14.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,627,333 km

• M1: 114,442 km (0.068 R)
• M2: 465,997 km (0.047 R)
• M3: 1,000,660 km (0.118 R)
• M4: 1,373,907 km (0.087 R)
• M5: 2,959,195 km (0.092 R)
• M6: 3,931,881 km (0.034 R)
• M7: 4,313,355 km (0.12 R)
• M8: 4,697,523 km (0.116 R)
• M9: 5,809,185 km (0.061 R)
• M10: 6,386,184 km (0.081 R)
• M11: 7,058,626 km (0.117 R)
• M12: 9,643,976 km (0.049 R)
• M13: 10,874,269 km (0.109 R)
• M14: 12,459,259 km (0.114 R)
• M15: 13,240,608 km (0.083 R)
• M16: 13,643,326 km (0.072 R)
• M17: 16,591,900 km (0.051 R)

Asteroid Belt

Center: 5.71 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.3

Radius: 3.5

Gravity: 36.19 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 7.6 AU - 10.38 AU

Year: 17683 Days

Day: 23.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 60,627,333 km

• M1: 48,021 km (0.088 R)
• M2: 492,775 km (0.114 R)
• M3: 654,042 km (0.068 R)
• M4: 1,108,371 km (0.1 R)
• M5: 1,630,766 km (0.092 R)
• M6: 1,779,467 km (0.093 R)
• M7: 2,028,697 km (0.08 R)
• M8: 2,240,527 km (0.103 R)
• M9: 3,500,889 km (0.094 R)
• M10: 3,749,072 km (0.103 R)
• M11: 5,346,329 km (0.078 R)
• M12: 7,616,476 km (0.098 R)
• M13: 7,892,484 km (0.085 R)
• M14: 8,961,361 km (0.027 R)
• M15: 9,743,160 km (0.056 R)
• M16: 10,068,236 km (0.037 R)
• M17: 10,512,990 km (0.105 R)
• M18: 11,803,122 km (0.106 R)
• M19: 12,934,381 km (0.108 R)
• M20: 14,905,633 km (0.078 R)
• M21: 15,850,942 km (0.028 R)
• M22: 16,074,590 km (0.095 R)
• M23: 16,835,445 km (0.077 R)
• M24: 16,990,429 km (0.119 R)
• M25: 18,102,240 km (0.102 R)
• M26: 18,428,513 km (0.035 R)
• M27: 24,001,183 km (0.078 R)
• M28: 24,793,154 km (0.116 R)
• M29: 24,993,765 km (0.108 R)
• M30: 26,220,617 km (0.046 R)
• M31: 28,244,377 km (0.108 R)
• M32: 30,027,285 km (0.083 R)
• M33: 32,479,343 km (0.1 R)
• M34: 35,568,390 km (0.104 R)
• M35: 35,951,809 km (0.085 R)
• M36: 38,443,960 km (0.085 R)
• M37: 42,897,339 km (0.094 R)
• M38: 45,848,456 km (0.113 R)
• M39: 47,373,457 km (0.034 R)
• M40: 47,837,360 km (0.104 R)
• M41: 48,148,523 km (0.118 R)
• M42: 52,480,279 km (0.083 R)
• M43: 52,645,435 km (0.105 R)
• M44: 52,976,944 km (0.09 R)
• M45: 58,118,324 km (0.11 R)
• M46: 58,295,149 km (0.085 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 19,038 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit