🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.46 AU - 0.68 AU

Year: 156 Days

Day: 38.9 Hours

Environment

Temp: 249 °C

Axial Tilt: 0.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.53 AU - 0.69 AU

Year: 172 Days

Day: 46.4 Hours

Environment

Temp: 172 °C

Axial Tilt: 21.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.14 AU - 1.78 AU

Year: 638 Days

Day: 22.7 Hours

Environment

Temp: -27 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.5

Radius: 10.4

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.09 AU - 6.23 AU

Year: 4870 Days

Day: 5.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,800,394 km

• M1: 130,300 km (0.1 R)
• M2: 1,175,091 km (0.1 R)
• M3: 1,627,176 km (0.081 R)
• M4: 2,267,605 km (0.117 R)
• M5: 4,207,141 km (0.112 R)
• M6: 4,910,999 km (0.102 R)
• M7: 5,663,327 km (0.082 R)
• M8: 7,498,444 km (0.095 R)
• M9: 8,682,660 km (0.051 R)
• M10: 9,339,245 km (0.094 R)
• M11: 9,945,865 km (0.1 R)
• M12: 10,970,909 km (0.101 R)
• M13: 11,327,850 km (0.114 R)
• M14: 12,932,138 km (0.082 R)
• M15: 14,575,620 km (0.089 R)
• M16: 16,586,066 km (0.075 R)
• M17: 16,938,219 km (0.087 R)
• M18: 20,944,450 km (0.058 R)
• M19: 22,912,260 km (0.07 R)
• M20: 24,694,420 km (0.116 R)
• M21: 25,697,473 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.1

Radius: 10.6

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.02 AU - 7.6 AU

Year: 6427 Days

Day: 8.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,800,394 km

• M1: 283,638 km (0.053 R)
• M2: 695,481 km (0.074 R)
• M3: 1,736,831 km (0.097 R)
• M4: 3,204,386 km (0.112 R)
• M5: 4,329,512 km (0.112 R)
• M6: 5,053,117 km (0.032 R)
• M7: 6,671,766 km (0.114 R)
• M8: 7,197,004 km (0.048 R)
• M9: 9,798,810 km (0.099 R)
• M10: 10,853,475 km (0.12 R)
• M11: 14,128,472 km (0.104 R)
• M12: 14,644,734 km (0.108 R)
• M13: 16,456,813 km (0.103 R)
• M14: 16,964,399 km (0.084 R)
• M15: 18,211,446 km (0.069 R)
• M16: 19,030,046 km (0.085 R)
• M17: 20,376,128 km (0.084 R)
• M18: 21,407,754 km (0.077 R)
• M19: 28,251,109 km (0.114 R)
• M20: 29,071,055 km (0.111 R)
• M21: 33,309,163 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.7

Radius: 10.5

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.08 AU - 9.82 AU

Year: 9683 Days

Day: 8.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,800,394 km

• M1: 130,599 km (0.099 R)
• M2: 519,105 km (0.117 R)
• M3: 978,370 km (0.089 R)
• M4: 3,262,131 km (0.088 R)
• M5: 4,483,747 km (0.099 R)
• M6: 5,311,472 km (0.099 R)
• M7: 7,845,960 km (0.032 R)
• M8: 8,678,172 km (0.072 R)
• M9: 11,257,090 km (0.045 R)
• M10: 13,016,960 km (0.059 R)
• M11: 14,056,366 km (0.107 R)
• M12: 15,415,612 km (0.059 R)
• M13: 29,285,728 km (0.091 R)
• M14: 33,139,818 km (0.078 R)
• M15: 37,561,333 km (0.112 R)
• M16: 39,035,470 km (0.118 R)
• M17: 40,420,297 km (0.057 R)
• M18: 41,447,885 km (0.037 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.2

Radius: 10.8

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 11.9 AU - 12.34 AU

Year: 15260 Days

Day: 13 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,800,394 km

• M1: 135,386 km (0.079 R)
• M2: 512,971 km (0.071 R)
• M3: 1,353,412 km (0.115 R)
• M4: 1,749,248 km (0.11 R)
• M5: 2,611,979 km (0.112 R)
• M6: 3,479,796 km (0.1 R)
• M7: 4,775,314 km (0.059 R)
• M8: 6,368,381 km (0.089 R)
• M9: 6,876,865 km (0.107 R)
• M10: 7,328,052 km (0.038 R)
• M11: 8,896,585 km (0.077 R)
• M12: 9,235,425 km (0.087 R)
• M13: 9,887,671 km (0.115 R)
• M14: 11,005,915 km (0.051 R)
• M15: 11,913,077 km (0.059 R)
• M16: 12,930,642 km (0.115 R)
• M17: 15,483,080 km (0.108 R)
• M18: 16,694,225 km (0.104 R)
• M19: 20,791,112 km (0.077 R)
• M20: 24,084,509 km (0.092 R)
• M21: 24,744,535 km (0.057 R)
• M22: 26,298,408 km (0.11 R)
• M23: 27,200,633 km (0.064 R)
• M24: 28,539,983 km (0.039 R)
• M25: 41,011,209 km (0.056 R)
• M26: 42,770,480 km (0.087 R)
• M27: 44,017,677 km (0.04 R)
• M28: 49,703,145 km (0.113 R)
• M29: 50,927,005 km (0.073 R)
• M30: 52,170,911 km (0.082 R)

Kuiper Belt

Range: 30.3 - 55.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 14,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit