🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.59 AU - 0.85 AU

Year: 221 Days

Day: 12.6 Hours

Environment

Temp: 159 °C

Axial Tilt: 3.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.73 AU - 1.17 AU

Year: 335 Days

Day: 17.3 Hours

Environment

Temp: 83 °C

Axial Tilt: 38.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.94 AU - 1.38 AU

Year: 452 Days

Day: 32.6 Hours

Environment

Temp: 5 °C

Axial Tilt: 27.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 68,829,067 km

• M1: 59,091 km (0.092 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.77 AU - 1.79 AU

Year: 859 Days

Day: 20.4 Hours

Environment

Temp: -41 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,829,067 km

• M1: 78,240 km (0.072 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.38 AU - 5.04 AU

Year: 3124 Days

Day: 47.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.36 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739

Radius: 14.9

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 10.06 AU - 10.94 AU

Year: 12305 Days

Day: 5.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,829,067 km

• M1: 189,840 km (0.102 R)
• M2: 768,185 km (0.091 R)
• M3: 1,256,323 km (0.102 R)
• M4: 2,921,347 km (0.077 R)
• M5: 3,471,867 km (0.102 R)
• M6: 4,658,777 km (0.051 R)
• M7: 6,407,726 km (0.104 R)
• M8: 7,825,913 km (0.059 R)
• M9: 10,119,398 km (0.11 R)
• M10: 11,334,582 km (0.094 R)
• M11: 12,277,946 km (0.085 R)
• M12: 21,186,200 km (0.087 R)
• M13: 30,981,719 km (0.107 R)
• M14: 39,716,888 km (0.12 R)
• M15: 42,445,404 km (0.107 R)
• M16: 54,779,299 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.6

Radius: 8.6

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 8.3 AU - 13.32 AU

Year: 12854 Days

Day: 8.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,829,067 km

• M1: 107,112 km (0.044 R)
• M2: 375,341 km (0.108 R)
• M3: 676,332 km (0.086 R)
• M4: 964,308 km (0.119 R)
• M5: 1,270,086 km (0.054 R)
• M6: 1,785,750 km (0.114 R)
• M7: 2,065,049 km (0.072 R)
• M8: 2,414,360 km (0.103 R)
• M9: 2,965,179 km (0.047 R)
• M10: 3,411,879 km (0.106 R)
• M11: 3,960,005 km (0.069 R)
• M12: 6,966,324 km (0.108 R)
• M13: 10,212,299 km (0.059 R)
• M14: 12,630,847 km (0.102 R)
• M15: 13,871,463 km (0.087 R)
• M16: 14,211,050 km (0.086 R)
• M17: 14,906,829 km (0.12 R)
• M18: 15,263,172 km (0.087 R)
• M19: 15,625,049 km (0.103 R)
• M20: 17,679,776 km (0.086 R)
• M21: 19,566,953 km (0.06 R)
• M22: 19,994,354 km (0.116 R)
• M23: 23,067,393 km (0.11 R)
• M24: 23,930,723 km (0.102 R)
• M25: 27,600,508 km (0.101 R)
• M26: 28,573,193 km (0.078 R)
• M27: 33,417,172 km (0.093 R)
• M28: 33,905,161 km (0.104 R)
• M29: 38,114,845 km (0.097 R)
• M30: 46,335,098 km (0.078 R)
• M31: 49,422,798 km (0.109 R)
• M32: 51,178,180 km (0.08 R)
• M33: 56,693,404 km (0.116 R)
• M34: 58,793,310 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.5

Radius: 15

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 10.75 AU - 13.77 AU

Year: 15525 Days

Day: 8.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,829,067 km

• M1: 186,549 km (0.119 R)
• M2: 822,190 km (0.116 R)
• M3: 1,522,607 km (0.12 R)
• M4: 2,478,238 km (0.099 R)
• M5: 3,720,200 km (0.094 R)
• M6: 4,417,027 km (0.117 R)
• M7: 5,606,180 km (0.055 R)
• M8: 6,358,508 km (0.069 R)
• M9: 7,088,246 km (0.105 R)
• M10: 13,168,203 km (0.086 R)
• M11: 16,466,986 km (0.058 R)
• M12: 18,180,779 km (0.062 R)
• M13: 20,739,351 km (0.097 R)
• M14: 21,485,545 km (0.1 R)
• M15: 23,329,638 km (0.038 R)
• M16: 27,553,534 km (0.063 R)
• M17: 29,261,044 km (0.111 R)
• M18: 29,963,556 km (0.058 R)
• M19: 30,917,542 km (0.106 R)
• M20: 31,891,872 km (0.119 R)
• M21: 33,264,732 km (0.109 R)
• M22: 39,011,385 km (0.073 R)
• M23: 42,639,881 km (0.046 R)
• M24: 44,152,316 km (0.059 R)
• M25: 45,700,354 km (0.1 R)
• M26: 47,444,516 km (0.104 R)
• M27: 55,935,691 km (0.089 R)
• M28: 60,161,083 km (0.084 R)
• M29: 64,200,824 km (0.116 R)

Kuiper Belt

Range: 30.3 - 51.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 14,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit