🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.52 AU - 0.58 AU

Year: 268 Days

Day: 34.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.62 AU - 0.68 AU

Year: 344 Days

Day: 17.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 18,433,529 km

• M1: 719,117 km (0.109 R)

Asteroid Belt

Center: 0.91 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676

Radius: 11.2

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.95 AU - 1.37 AU

Year: 820 Days

Day: 10.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,433,529 km

• M1: 139,276 km (0.102 R)
• M2: 581,038 km (0.103 R)
• M3: 947,104 km (0.099 R)
• M4: 1,512,135 km (0.083 R)
• M5: 2,034,980 km (0.058 R)
• M6: 2,562,612 km (0.079 R)
• M7: 3,475,757 km (0.109 R)
• M8: 4,092,549 km (0.033 R)
• M9: 5,099,043 km (0.107 R)
• M10: 6,346,839 km (0.101 R)
• M11: 7,064,909 km (0.059 R)
• M12: 7,596,879 km (0.12 R)
• M13: 8,031,610 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.6

Radius: 11.1

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.18 AU - 1.5 AU

Year: 1018 Days

Day: 13.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,433,529 km

• M1: 138,079 km (0.096 R)
• M2: 982,708 km (0.105 R)
• M3: 1,715,588 km (0.054 R)
• M4: 2,458,192 km (0.101 R)
• M5: 3,015,444 km (0.1 R)
• M6: 3,716,460 km (0.09 R)
• M7: 4,130,846 km (0.09 R)
• M8: 4,487,936 km (0.071 R)
• M9: 5,284,246 km (0.076 R)
• M10: 6,042,707 km (0.034 R)
• M11: 6,618,060 km (0.102 R)
• M12: 7,037,533 km (0.042 R)
• M13: 7,524,324 km (0.102 R)
• M14: 8,403,660 km (0.109 R)
• M15: 8,924,111 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.1

Radius: 8.3

Gravity: 12.95 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.11 AU - 1.85 AU

Year: 1181 Days

Day: 9 Hours

Environment

Temp: -182 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,433,529 km

• M1: 106,364 km (0.082 R)
• M2: 371,751 km (0.044 R)
• M3: 794,365 km (0.077 R)
• M4: 1,242,111 km (0.052 R)
• M5: 2,405,534 km (0.114 R)
• M6: 2,898,309 km (0.057 R)
• M7: 3,169,081 km (0.056 R)
• M8: 3,647,495 km (0.098 R)
• M9: 4,102,722 km (0.114 R)
• M10: 5,005,246 km (0.05 R)
• M11: 5,567,883 km (0.045 R)
• M12: 7,327,154 km (0.105 R)
• M13: 8,562,234 km (0.049 R)
• M14: 9,397,589 km (0.066 R)
• M15: 9,867,027 km (0.089 R)
• M16: 11,404,145 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.2

Radius: 10.3

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.79 AU - 2.75 AU

Year: 2244 Days

Day: 13.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 18,433,529 km

• M1: 128,205 km (0.115 R)
• M2: 1,680,433 km (0.095 R)
• M3: 3,314,490 km (0.1 R)
• M4: 3,701,799 km (0.069 R)
• M5: 4,242,296 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.3

Radius: 13.7

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.12 AU - 4.2 AU

Year: 4593 Days

Day: 5.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,433,529 km

• M1: 170,392 km (0.101 R)
• M2: 719,117 km (0.114 R)
• M3: 2,042,460 km (0.075 R)
• M4: 4,949,146 km (0.12 R)
• M5: 5,573,867 km (0.12 R)
• M6: 6,825,403 km (0.079 R)
• M7: 8,616,389 km (0.116 R)
• M8: 9,062,190 km (0.108 R)
• M9: 9,641,134 km (0.077 R)
• M10: 10,368,180 km (0.074 R)
• M11: 11,131,727 km (0.113 R)
• M12: 11,978,002 km (0.106 R)
• M13: 12,487,233 km (0.087 R)
• M14: 14,881,099 km (0.119 R)
• M15: 15,524,519 km (0.115 R)
• M16: 17,744,551 km (0.062 R)
• M17: 19,149,126 km (0.097 R)
• M18: 20,299,085 km (0.116 R)
• M19: 21,024,186 km (0.098 R)
• M20: 24,098,571 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 22.8

Radius: 4.7

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.73 AU - 7.97 AU

Year: 13072 Days

Day: 17.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 18,433,529 km

• M1: 325,375 km (0.105 R)
• M2: 793,467 km (0.097 R)
• M3: 3,851,547 km (0.081 R)
• M4: 12,881,723 km (0.031 R)
• M5: 13,320,344 km (0.089 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 12,005 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit