🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.53 AU - 0.69 AU

Year: 308 Days

Day: 38.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,777,814 km

• M1: 50,265 km (0.067 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.48 AU - 0.76 AU

Year: 315 Days

Day: 39.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.1

Radius: 11.3

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.65 AU - 0.91 AU

Year: 445 Days

Day: 10.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,777,814 km

• M1: 140,472 km (0.108 R)
• M2: 629,209 km (0.043 R)
• M3: 1,040,902 km (0.072 R)
• M4: 1,447,958 km (0.056 R)
• M5: 2,124,589 km (0.116 R)
• M6: 2,606,892 km (0.101 R)
• M7: 3,387,793 km (0.046 R)
• M8: 3,833,595 km (0.097 R)
• M9: 5,327,629 km (0.072 R)
• M10: 5,772,982 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619

Radius: 10.7

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.17 AU - 1.39 AU

Year: 935 Days

Day: 6 Hours

Environment

Temp: -175 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,777,814 km

• M1: 133,142 km (0.063 R)
• M2: 486,941 km (0.071 R)
• M3: 924,066 km (0.099 R)
• M4: 1,716,336 km (0.065 R)
• M5: 2,207,317 km (0.098 R)
• M6: 2,554,832 km (0.075 R)
• M7: 3,079,921 km (0.091 R)
• M8: 3,502,385 km (0.085 R)
• M9: 3,932,330 km (0.107 R)
• M10: 4,497,959 km (0.094 R)
• M11: 4,862,978 km (0.104 R)
• M12: 5,361,588 km (0.114 R)
• M13: 6,482,824 km (0.054 R)
• M14: 7,156,912 km (0.066 R)
• M15: 8,052,105 km (0.083 R)
• M16: 8,618,782 km (0.103 R)
• M17: 9,129,360 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.5

Radius: 9.1

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.89 AU - 5.71 AU

Year: 7878 Days

Day: 7.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,777,814 km

• M1: 113,844 km (0.095 R)
• M2: 415,134 km (0.076 R)
• M3: 778,956 km (0.078 R)
• M4: 1,407,267 km (0.071 R)
• M5: 1,764,806 km (0.089 R)
• M6: 2,148,225 km (0.102 R)
• M7: 2,766,364 km (0.083 R)
• M8: 3,241,187 km (0.081 R)
• M9: 4,271,019 km (0.059 R)
• M10: 5,637,147 km (0.046 R)
• M11: 6,365,838 km (0.061 R)
• M12: 6,962,135 km (0.088 R)
• M13: 8,052,405 km (0.115 R)
• M14: 9,534,620 km (0.096 R)
• M15: 16,189,182 km (0.07 R)
• M16: 18,681,932 km (0.081 R)
• M17: 19,133,717 km (0.071 R)
• M18: 20,852,298 km (0.089 R)
• M19: 21,338,341 km (0.074 R)
• M20: 22,841,949 km (0.109 R)
• M21: 24,236,650 km (0.067 R)
• M22: 27,003,463 km (0.102 R)
• M23: 28,166,736 km (0.109 R)
• M24: 28,661,306 km (0.032 R)
• M25: 34,601,838 km (0.075 R)
• M26: 36,908,039 km (0.103 R)
• M27: 41,441,153 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.5

Radius: 9

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.67 AU - 6.79 AU

Year: 8856 Days

Day: 14.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 33,777,814 km

• M1: 113,994 km (0.088 R)
• M2: 398,529 km (0.112 R)
• M3: 748,588 km (0.071 R)
• M4: 1,043,296 km (0.104 R)
• M5: 1,355,207 km (0.106 R)
• M6: 1,715,588 km (0.113 R)
• M7: 2,023,162 km (0.102 R)
• M8: 2,459,987 km (0.114 R)
• M9: 3,044,616 km (0.087 R)
• M10: 3,499,693 km (0.079 R)
• M11: 4,433,183 km (0.087 R)
• M12: 4,749,284 km (0.046 R)
• M13: 5,459,275 km (0.115 R)
• M14: 5,890,865 km (0.095 R)
• M15: 6,489,406 km (0.053 R)
• M16: 7,089,293 km (0.094 R)
• M17: 7,522,679 km (0.05 R)
• M18: 11,870,890 km (0.117 R)
• M19: 12,313,850 km (0.087 R)
• M20: 13,589,171 km (0.119 R)
• M21: 15,929,181 km (0.069 R)
• M22: 19,730,912 km (0.094 R)
• M23: 20,118,071 km (0.115 R)
• M24: 21,964,857 km (0.064 R)
• M25: 23,057,370 km (0.059 R)
• M26: 24,362,462 km (0.12 R)
• M27: 26,271,331 km (0.107 R)
• M28: 28,572,595 km (0.072 R)
• M29: 29,569,964 km (0.098 R)
• M30: 29,873,648 km (0.076 R)
• M31: 34,794,819 km (0.115 R)
• M32: 35,133,509 km (0.104 R)
• M33: 37,802,484 km (0.084 R)
• M34: 38,160,322 km (0.119 R)
• M35: 38,761,706 km (0.107 R)
• M36: 43,671,358 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.5

Radius: 5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 10.91 AU - 11.21 AU

Year: 23749 Days

Day: 17.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,777,814 km

• M1: 134,488 km (0.114 R)
• M2: 446,250 km (0.042 R)
• M3: 818,300 km (0.073 R)
• M4: 2,252,495 km (0.113 R)
• M5: 2,524,614 km (0.118 R)
• M6: 5,430,403 km (0.109 R)
• M7: 7,602,564 km (0.085 R)
• M8: 12,489,777 km (0.113 R)
• M9: 13,891,359 km (0.078 R)
• M10: 16,748,529 km (0.057 R)
• M11: 23,195,449 km (0.074 R)
• M12: 25,805,782 km (0.105 R)
• M13: 26,401,780 km (0.12 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 18,236 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit