🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.81 AU - 1.11 AU

Year: 347 Days

Day: 22.4 Hours

Environment

Temp: 18 °C

Axial Tilt: 47.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.55 AU - 1.83 AU

Year: 811 Days

Day: 22.6 Hours

Environment

Temp: -43 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.1 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.46 AU - 4.56 AU

Year: 3534 Days

Day: 21.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 47.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.53 AU - 4.69 AU

Year: 3652 Days

Day: 33.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.2

Radius: 12.1

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.4 AU - 5.34 AU

Year: 3965 Days

Day: 13.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,487,518 km

• M1: 150,645 km (0.1 R)
• M2: 582,684 km (0.075 R)
• M3: 1,021,604 km (0.105 R)
• M4: 1,838,857 km (0.112 R)
• M5: 2,245,314 km (0.119 R)
• M6: 2,942,291 km (0.078 R)
• M7: 4,206,692 km (0.112 R)
• M8: 4,641,872 km (0.098 R)
• M9: 5,351,116 km (0.07 R)
• M10: 6,501,972 km (0.084 R)
• M11: 7,152,873 km (0.117 R)
• M12: 10,286,499 km (0.091 R)
• M13: 10,722,727 km (0.092 R)
• M14: 11,262,476 km (0.071 R)
• M15: 16,255,903 km (0.077 R)
• M16: 19,102,900 km (0.106 R)
• M17: 22,122,683 km (0.064 R)
• M18: 23,221,180 km (0.081 R)
• M19: 27,145,880 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.2

Radius: 10.7

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.91 AU - 5.17 AU

Year: 4175 Days

Day: 10.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,487,518 km

• M1: 133,142 km (0.054 R)
• M2: 546,481 km (0.107 R)
• M3: 989,141 km (0.107 R)
• M4: 1,353,262 km (0.093 R)
• M5: 2,023,610 km (0.093 R)
• M6: 2,540,770 km (0.053 R)
• M7: 3,087,700 km (0.12 R)
• M8: 4,442,309 km (0.069 R)
• M9: 6,097,609 km (0.108 R)
• M10: 7,047,705 km (0.026 R)
• M11: 7,419,905 km (0.08 R)
• M12: 8,807,874 km (0.117 R)
• M13: 10,405,130 km (0.053 R)
• M14: 11,113,327 km (0.117 R)
• M15: 11,665,193 km (0.1 R)
• M16: 12,478,407 km (0.114 R)
• M17: 12,974,175 km (0.103 R)
• M18: 13,952,245 km (0.101 R)
• M19: 14,868,532 km (0.109 R)
• M20: 15,425,934 km (0.109 R)
• M21: 18,108,373 km (0.12 R)
• M22: 18,808,641 km (0.045 R)
• M23: 20,128,094 km (0.085 R)
• M24: 21,649,505 km (0.088 R)
• M25: 25,786,634 km (0.12 R)
• M26: 27,746,515 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.7

Radius: 10.2

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 9.32 AU - 14.86 AU

Year: 15510 Days

Day: 12.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,487,518 km

• M1: 203,154 km (0.109 R)
• M2: 1,428,360 km (0.047 R)
• M3: 2,654,764 km (0.062 R)
• M4: 2,984,178 km (0.071 R)
• M5: 3,845,114 km (0.113 R)
• M6: 5,360,541 km (0.066 R)
• M7: 5,699,679 km (0.101 R)
• M8: 6,319,612 km (0.11 R)
• M9: 9,478,371 km (0.105 R)
• M10: 10,348,732 km (0.116 R)
• M11: 12,622,171 km (0.118 R)
• M12: 19,981,189 km (0.112 R)
• M13: 20,350,696 km (0.089 R)
• M14: 20,800,088 km (0.104 R)
• M15: 21,641,127 km (0.106 R)
• M16: 22,346,032 km (0.049 R)
• M17: 23,967,374 km (0.114 R)
• M18: 26,633,059 km (0.045 R)
• M19: 29,873,348 km (0.12 R)
• M20: 35,374,212 km (0.079 R)
• M21: 36,792,699 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.3

Radius: 4.5

Gravity: 27.52 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 13.73 AU - 13.89 AU

Year: 18935 Days

Day: 17.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,487,518 km

• M1: 56,099 km (0.11 R)
• M2: 517,908 km (0.079 R)
• M3: 784,641 km (0.08 R)
• M4: 1,623,436 km (0.039 R)
• M5: 3,607,253 km (0.055 R)
• M6: 3,811,006 km (0.107 R)
• M7: 9,789,385 km (0.082 R)
• M8: 12,997,661 km (0.111 R)
• M9: 13,685,961 km (0.091 R)
• M10: 14,110,370 km (0.075 R)
• M11: 14,911,168 km (0.085 R)
• M12: 17,743,803 km (0.091 R)
• M13: 21,195,625 km (0.101 R)
• M14: 25,279,946 km (0.036 R)
• M15: 26,567,684 km (0.071 R)
• M16: 29,977,319 km (0.094 R)
• M17: 36,423,342 km (0.068 R)
• M18: 42,527,982 km (0.071 R)
• M19: 44,345,895 km (0.105 R)
• M20: 45,899,768 km (0.111 R)
• M21: 51,964,765 km (0.084 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 14,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit