🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.6

Radius: 9.6

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.16 AU - 1.44 AU

Year: 972 Days

Day: 13.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,128,595 km

• M1: 119,529 km (0.068 R)
• M2: 574,905 km (0.055 R)
• M3: 957,576 km (0.116 R)
• M4: 1,510,490 km (0.089 R)
• M5: 3,338,725 km (0.096 R)
• M6: 3,956,265 km (0.119 R)
• M7: 4,309,915 km (0.092 R)
• M8: 6,271,741 km (0.118 R)
• M9: 7,089,443 km (0.059 R)
• M10: 9,340,592 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.4

Radius: 8.6

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.17 AU - 2.35 AU

Year: 2229 Days

Day: 12.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,128,595 km

• M1: 106,962 km (0.105 R)
• M2: 383,120 km (0.087 R)
• M3: 688,449 km (0.102 R)
• M4: 1,006,644 km (0.049 R)
• M5: 1,440,478 km (0.08 R)
• M6: 1,871,769 km (0.078 R)
• M7: 2,168,272 km (0.065 R)
• M8: 2,750,656 km (0.085 R)
• M9: 3,717,208 km (0.091 R)
• M10: 4,404,311 km (0.108 R)
• M11: 4,797,604 km (0.117 R)
• M12: 5,526,445 km (0.078 R)
• M13: 6,586,345 km (0.094 R)
• M14: 7,749,618 km (0.118 R)
• M15: 9,044,388 km (0.105 R)
• M16: 9,868,373 km (0.077 R)
• M17: 10,875,167 km (0.105 R)
• M18: 11,145,789 km (0.099 R)
• M19: 11,630,187 km (0.112 R)
• M20: 12,092,594 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.3

Radius: 13.1

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.61 AU - 3.89 AU

Year: 4764 Days

Day: 7.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,128,595 km

• M1: 220,657 km (0.098 R)
• M2: 789,727 km (0.107 R)
• M3: 1,307,485 km (0.049 R)
• M4: 1,797,269 km (0.08 R)
• M5: 2,394,314 km (0.046 R)
• M6: 2,990,761 km (0.086 R)
• M7: 3,770,914 km (0.034 R)
• M8: 5,044,141 km (0.081 R)
• M9: 6,090,877 km (0.118 R)
• M10: 6,844,103 km (0.11 R)
• M11: 8,126,306 km (0.106 R)
• M12: 8,574,800 km (0.091 R)
• M13: 9,000,406 km (0.095 R)
• M14: 10,802,163 km (0.113 R)
• M15: 12,339,880 km (0.085 R)
• M16: 13,702,866 km (0.061 R)
• M17: 14,556,621 km (0.088 R)
• M18: 15,445,531 km (0.04 R)
• M19: 16,846,366 km (0.055 R)
• M20: 17,888,913 km (0.086 R)
• M21: 19,433,212 km (0.112 R)
• M22: 21,699,321 km (0.102 R)
• M23: 22,933,204 km (0.095 R)
• M24: 23,907,834 km (0.11 R)
• M25: 24,831,900 km (0.115 R)
• M26: 26,587,581 km (0.064 R)
• M27: 28,595,932 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848

Radius: 11.6

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.87 AU - 5.85 AU

Year: 8141 Days

Day: 5.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,128,595 km

• M1: 191,784 km (0.102 R)
• M2: 640,279 km (0.059 R)
• M3: 1,515,726 km (0.081 R)
• M4: 2,446,823 km (0.076 R)
• M5: 2,921,796 km (0.114 R)
• M6: 3,387,494 km (0.068 R)
• M7: 5,121,782 km (0.102 R)
• M8: 6,289,244 km (0.117 R)
• M9: 6,728,015 km (0.094 R)
• M10: 7,504,876 km (0.1 R)
• M11: 8,254,362 km (0.112 R)
• M12: 9,661,180 km (0.116 R)
• M13: 10,804,108 km (0.101 R)
• M14: 12,484,391 km (0.075 R)
• M15: 13,536,513 km (0.104 R)
• M16: 16,017,743 km (0.074 R)
• M17: 17,118,484 km (0.063 R)
• M18: 17,543,941 km (0.083 R)
• M19: 18,490,297 km (0.118 R)
• M20: 19,393,569 km (0.113 R)
• M21: 20,883,713 km (0.072 R)
• M22: 21,369,757 km (0.118 R)
• M23: 23,389,926 km (0.101 R)
• M24: 24,805,571 km (0.083 R)
• M25: 27,419,046 km (0.117 R)
• M26: 29,496,063 km (0.031 R)
• M27: 30,833,019 km (0.1 R)
• M28: 33,077,735 km (0.1 R)
• M29: 33,849,660 km (0.089 R)
• M30: 36,353,779 km (0.035 R)
• M31: 42,112,698 km (0.038 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.1

Radius: 3.6

Gravity: 68.45 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.8 AU - 6.88 AU

Year: 11735 Days

Day: 20.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,128,595 km

• M1: 44,879 km (0.108 R)
• M2: 181,462 km (0.074 R)
• M3: 320,139 km (0.114 R)
• M4: 502,499 km (0.109 R)
• M5: 1,252,733 km (0.077 R)
• M6: 1,741,918 km (0.092 R)
• M7: 2,248,007 km (0.076 R)
• M8: 3,231,912 km (0.099 R)
• M9: 3,706,586 km (0.092 R)
• M10: 6,191,407 km (0.113 R)
• M11: 10,520,919 km (0.109 R)
• M12: 10,801,415 km (0.101 R)
• M13: 11,086,997 km (0.058 R)
• M14: 14,637,703 km (0.087 R)
• M15: 15,776,143 km (0.116 R)
• M16: 17,749,937 km (0.059 R)
• M17: 20,484,287 km (0.096 R)
• M18: 24,646,997 km (0.111 R)
• M19: 37,377,327 km (0.049 R)
• M20: 37,767,927 km (0.108 R)
• M21: 38,425,260 km (0.064 R)
• M22: 42,529,179 km (0.101 R)
• M23: 44,394,814 km (0.052 R)
• M24: 51,113,104 km (0.069 R)
• M25: 51,755,478 km (0.068 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 17,677 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit