🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.4

Radius: 10.6

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.82 AU - 0.9 AU

Year: 541 Days

Day: 14.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,740,695 km

• M1: 131,796 km (0.098 R)
• M2: 546,930 km (0.111 R)
• M3: 1,067,830 km (0.114 R)
• M4: 1,457,532 km (0.115 R)
• M5: 1,905,428 km (0.119 R)
• M6: 2,515,937 km (0.111 R)
• M7: 3,707,634 km (0.038 R)
• M8: 4,165,852 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.1

Radius: 12.7

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.03 AU - 2.25 AU

Year: 2123 Days

Day: 10.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,740,695 km

• M1: 158,873 km (0.077 R)
• M2: 2,362,150 km (0.12 R)
• M3: 2,809,448 km (0.098 R)
• M4: 3,595,884 km (0.06 R)
• M5: 4,374,541 km (0.091 R)
• M6: 5,739,023 km (0.113 R)
• M7: 6,196,793 km (0.103 R)
• M8: 6,980,386 km (0.087 R)
• M9: 7,396,418 km (0.061 R)
• M10: 8,364,615 km (0.112 R)
• M11: 10,756,536 km (0.105 R)
• M12: 11,670,429 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.4

Radius: 9.2

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.74 AU - 3.88 AU

Year: 5044 Days

Day: 6.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,740,695 km

• M1: 129,402 km (0.066 R)
• M2: 420,220 km (0.095 R)
• M3: 1,251,087 km (0.109 R)
• M4: 1,752,988 km (0.107 R)
• M5: 2,544,061 km (0.073 R)
• M6: 3,141,705 km (0.112 R)
• M7: 3,765,678 km (0.117 R)
• M8: 5,286,041 km (0.107 R)
• M9: 11,182,740 km (0.079 R)
• M10: 12,437,268 km (0.114 R)
• M11: 13,628,964 km (0.062 R)
• M12: 19,879,762 km (0.107 R)
• M13: 20,817,591 km (0.025 R)
• M14: 24,789,115 km (0.114 R)
• M15: 25,875,196 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.4

Radius: 10

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.29 AU - 4.89 AU

Year: 5610 Days

Day: 12.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,740,695 km

• M1: 131,945 km (0.1 R)
• M2: 512,822 km (0.108 R)
• M3: 852,259 km (0.109 R)
• M4: 1,409,062 km (0.114 R)
• M5: 1,833,023 km (0.067 R)
• M6: 2,311,586 km (0.118 R)
• M7: 2,786,709 km (0.114 R)
• M8: 4,907,259 km (0.094 R)
• M9: 5,613,211 km (0.113 R)
• M10: 6,062,603 km (0.116 R)
• M11: 7,161,998 km (0.069 R)
• M12: 8,317,642 km (0.111 R)
• M13: 9,091,063 km (0.109 R)
• M14: 10,236,833 km (0.093 R)
• M15: 11,926,391 km (0.091 R)
• M16: 12,528,672 km (0.097 R)
• M17: 17,622,480 km (0.035 R)
• M18: 21,831,416 km (0.09 R)
• M19: 24,535,996 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 183.3

Radius: 7.2

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 7.04 AU - 9.6 AU

Year: 16277 Days

Day: 20.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 173.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,740,695 km

• M1: 89,609 km (0.096 R)
• M2: 359,633 km (0.08 R)
• M3: 1,692,999 km (0.116 R)
• M4: 2,079,410 km (0.091 R)
• M5: 2,429,918 km (0.054 R)
• M6: 3,873,388 km (0.115 R)
• M7: 4,160,317 km (0.084 R)
• M8: 4,776,959 km (0.053 R)
• M9: 5,325,535 km (0.077 R)
• M10: 5,847,631 km (0.085 R)
• M11: 6,190,958 km (0.114 R)
• M12: 6,918,154 km (0.116 R)
• M13: 8,071,703 km (0.059 R)
• M14: 9,073,859 km (0.076 R)
• M15: 15,614,278 km (0.102 R)
• M16: 16,477,906 km (0.093 R)
• M17: 17,796,611 km (0.059 R)
• M18: 19,334,478 km (0.054 R)
• M19: 20,879,524 km (0.108 R)
• M20: 21,358,686 km (0.048 R)
• M21: 22,008,988 km (0.064 R)
• M22: 22,588,680 km (0.12 R)
• M23: 23,348,787 km (0.053 R)
• M24: 26,654,152 km (0.059 R)
• M25: 30,666,965 km (0.092 R)
• M26: 34,729,295 km (0.097 R)
• M27: 35,064,544 km (0.107 R)
• M28: 35,628,079 km (0.114 R)
• M29: 37,121,365 km (0.042 R)
• M30: 41,851,201 km (0.065 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 20,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit