🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.62 AU - 0.64 AU

Year: 189 Days

Day: 33.8 Hours

Environment

Temp: 140 °C

Axial Tilt: 13.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.86 AU - 2.7 AU

Year: 1304 Days

Day: 14.5 Hours

Environment

Temp: -82 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.4

Radius: 10.8

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.22 AU - 4.34 AU

Year: 3354 Days

Day: 13.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,728,244 km

• M1: 134,638 km (0.034 R)
• M2: 539,450 km (0.11 R)
• M3: 877,092 km (0.112 R)
• M4: 1,434,195 km (0.06 R)
• M5: 2,120,699 km (0.078 R)
• M6: 2,729,264 km (0.088 R)
• M7: 3,173,270 km (0.101 R)
• M8: 3,971,674 km (0.086 R)
• M9: 4,384,863 km (0.114 R)
• M10: 5,095,902 km (0.059 R)
• M11: 7,861,368 km (0.097 R)
• M12: 8,339,932 km (0.096 R)
• M13: 9,205,505 km (0.113 R)
• M14: 9,545,242 km (0.108 R)
• M15: 10,614,867 km (0.075 R)
• M16: 11,030,599 km (0.091 R)
• M17: 12,343,919 km (0.103 R)
• M18: 13,132,898 km (0.052 R)
• M19: 15,383,747 km (0.081 R)
• M20: 15,916,914 km (0.062 R)
• M21: 17,418,278 km (0.086 R)
• M22: 18,470,101 km (0.034 R)
• M23: 19,011,795 km (0.116 R)
• M24: 20,958,811 km (0.103 R)
• M25: 21,614,349 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.7

Radius: 13.2

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.56 AU - 5.92 AU

Year: 4543 Days

Day: 12.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,728,244 km

• M1: 164,109 km (0.104 R)
• M2: 669,899 km (0.099 R)
• M3: 1,223,860 km (0.049 R)
• M4: 2,282,116 km (0.059 R)
• M5: 3,258,541 km (0.077 R)
• M6: 3,937,266 km (0.082 R)
• M7: 5,316,409 km (0.12 R)
• M8: 5,925,422 km (0.111 R)
• M9: 8,544,282 km (0.065 R)
• M10: 9,485,702 km (0.075 R)
• M11: 12,266,128 km (0.074 R)
• M12: 14,738,532 km (0.028 R)
• M13: 15,599,468 km (0.093 R)
• M14: 16,141,909 km (0.12 R)
• M15: 16,901,717 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.9

Radius: 12

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.83 AU - 7.09 AU

Year: 6954 Days

Day: 14.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,728,244 km

• M1: 149,299 km (0.085 R)
• M2: 532,419 km (0.101 R)
• M3: 956,230 km (0.099 R)
• M4: 2,133,864 km (0.08 R)
• M5: 3,196,607 km (0.118 R)
• M6: 3,714,216 km (0.081 R)
• M7: 5,092,162 km (0.069 R)
• M8: 5,828,483 km (0.113 R)
• M9: 6,367,783 km (0.059 R)
• M10: 9,774,126 km (0.063 R)
• M11: 10,251,194 km (0.118 R)
• M12: 12,409,293 km (0.07 R)
• M13: 16,690,934 km (0.107 R)
• M14: 21,467,294 km (0.066 R)
• M15: 22,343,340 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.9

Radius: 9.7

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.75 AU - 9.41 AU

Year: 7904 Days

Day: 9.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,728,244 km

• M1: 120,875 km (0.098 R)
• M2: 451,636 km (0.077 R)
• M3: 4,849,365 km (0.073 R)
• M4: 5,336,306 km (0.105 R)
• M5: 8,558,195 km (0.108 R)
• M6: 9,930,905 km (0.107 R)
• M7: 11,004,419 km (0.103 R)
• M8: 11,444,836 km (0.12 R)
• M9: 11,999,245 km (0.086 R)
• M10: 13,714,235 km (0.075 R)
• M11: 16,393,982 km (0.102 R)
• M12: 16,969,036 km (0.118 R)
• M13: 21,227,339 km (0.062 R)
• M14: 22,608,427 km (0.103 R)
• M15: 27,287,998 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.4

Radius: 6.9

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 13.36 AU - 14.12 AU

Year: 19290 Days

Day: 23.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,728,244 km

• M1: 99,183 km (0.05 R)
• M2: 360,232 km (0.112 R)
• M3: 1,125,874 km (0.116 R)
• M4: 1,961,527 km (0.095 R)
• M5: 3,429,082 km (0.12 R)
• M6: 6,398,451 km (0.115 R)
• M7: 11,475,204 km (0.096 R)
• M8: 15,738,145 km (0.078 R)
• M9: 25,180,014 km (0.069 R)
• M10: 26,181,273 km (0.081 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 14,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit