🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.85 AU - 1.25 AU

Year: 397 Days

Day: 44.2 Hours

Environment

Temp: 16 °C

Axial Tilt: 10.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 73,734,336 km

• M1: 41,289 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.22 AU - 1.7 AU

Year: 651 Days

Day: 14.3 Hours

Environment

Temp: -42 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.52 AU - 4 AU

Year: 2172 Days

Day: 16.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.24 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.6

Radius: 8.4

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.56 AU - 5.86 AU

Year: 4388 Days

Day: 7.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,734,336 km

• M1: 113,844 km (0.111 R)
• M2: 375,939 km (0.046 R)
• M3: 656,286 km (0.085 R)
• M4: 1,144,573 km (0.06 R)
• M5: 2,302,311 km (0.093 R)
• M6: 3,201,394 km (0.082 R)
• M7: 3,857,979 km (0.112 R)
• M8: 5,140,632 km (0.05 R)
• M9: 6,422,536 km (0.116 R)
• M10: 6,848,291 km (0.111 R)
• M11: 11,726,528 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.3

Radius: 14.6

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.97 AU - 9.59 AU

Year: 9599 Days

Day: 12.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 159.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,734,336 km

• M1: 181,612 km (0.096 R)
• M2: 694,733 km (0.086 R)
• M3: 1,209,200 km (0.12 R)
• M4: 1,764,956 km (0.05 R)
• M5: 2,376,512 km (0.087 R)
• M6: 3,586,459 km (0.058 R)
• M7: 4,287,026 km (0.078 R)
• M8: 5,077,651 km (0.111 R)
• M9: 6,752,997 km (0.099 R)
• M10: 9,009,083 km (0.102 R)
• M11: 9,947,062 km (0.116 R)
• M12: 10,466,465 km (0.093 R)
• M13: 13,340,689 km (0.101 R)
• M14: 14,102,142 km (0.098 R)
• M15: 14,892,468 km (0.029 R)
• M16: 15,851,540 km (0.12 R)
• M17: 17,741,559 km (0.076 R)
• M18: 18,977,088 km (0.091 R)
• M19: 20,434,770 km (0.113 R)
• M20: 21,021,343 km (0.112 R)
• M21: 23,118,406 km (0.057 R)
• M22: 33,370,348 km (0.027 R)
• M23: 36,829,949 km (0.082 R)
• M24: 42,933,542 km (0.111 R)
• M25: 48,189,065 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.5

Radius: 14.6

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 8.24 AU - 9.92 AU

Year: 10095 Days

Day: 8.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,734,336 km

• M1: 194,776 km (0.055 R)
• M2: 976,276 km (0.108 R)
• M3: 1,619,696 km (0.07 R)
• M4: 2,217,938 km (0.12 R)
• M5: 3,052,545 km (0.096 R)
• M6: 4,005,633 km (0.11 R)
• M7: 4,766,487 km (0.107 R)
• M8: 5,833,569 km (0.089 R)
• M9: 7,259,835 km (0.115 R)
• M10: 8,122,117 km (0.102 R)
• M11: 8,907,955 km (0.064 R)
• M12: 9,542,699 km (0.101 R)
• M13: 10,471,253 km (0.069 R)
• M14: 12,270,017 km (0.078 R)
• M15: 13,431,196 km (0.097 R)
• M16: 15,274,541 km (0.108 R)
• M17: 19,865,700 km (0.112 R)
• M18: 22,787,944 km (0.097 R)
• M19: 23,884,646 km (0.114 R)
• M20: 24,729,874 km (0.097 R)
• M21: 25,498,059 km (0.051 R)
• M22: 26,084,483 km (0.086 R)
• M23: 26,580,101 km (0.05 R)
• M24: 30,884,331 km (0.111 R)
• M25: 36,489,314 km (0.038 R)
• M26: 40,317,225 km (0.118 R)
• M27: 41,515,803 km (0.088 R)
• M28: 44,545,908 km (0.072 R)
• M29: 46,840,141 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374.8

Radius: 6.6

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 14.81 AU - 19.13 AU

Year: 25793 Days

Day: 23.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,734,336 km

• M1: 92,451 km (0.119 R)
• M2: 431,291 km (0.092 R)
• M3: 744,848 km (0.103 R)
• M4: 1,037,910 km (0.062 R)
• M5: 1,361,640 km (0.064 R)
• M6: 1,787,096 km (0.097 R)
• M7: 3,002,579 km (0.051 R)
• M8: 3,605,009 km (0.064 R)
• M9: 4,384,115 km (0.115 R)
• M10: 5,422,773 km (0.116 R)
• M11: 5,978,829 km (0.113 R)
• M12: 6,398,899 km (0.11 R)
• M13: 8,641,521 km (0.073 R)
• M14: 8,853,800 km (0.116 R)
• M15: 9,455,333 km (0.112 R)
• M16: 11,360,462 km (0.103 R)
• M17: 17,130,751 km (0.055 R)
• M18: 18,236,728 km (0.084 R)
• M19: 19,845,654 km (0.09 R)
• M20: 20,969,433 km (0.062 R)
• M21: 24,594,488 km (0.069 R)
• M22: 25,128,852 km (0.117 R)
• M23: 29,326,867 km (0.107 R)
• M24: 29,927,802 km (0.051 R)
• M25: 32,669,632 km (0.104 R)
• M26: 34,366,072 km (0.093 R)
• M27: 35,710,358 km (0.095 R)
• M28: 47,750,892 km (0.063 R)
• M29: 48,749,757 km (0.097 R)
• M30: 56,319,410 km (0.115 R)
• M31: 64,433,748 km (0.105 R)
• M32: 66,474,263 km (0.065 R)
• M33: 72,198,476 km (0.117 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 11,170 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit