🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.49 AU - 0.63 AU

Year: 156 Days

Day: 19.2 Hours

Environment

Temp: 172 °C

Axial Tilt: 33.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.63 AU - 0.65 AU

Year: 191 Days

Day: 45.2 Hours

Environment

Temp: 138 °C

Axial Tilt: 23.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.74 AU - 1.02 AU

Year: 308 Days

Day: 19.3 Hours

Environment

Temp: 101 °C

Axial Tilt: 29.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.35 AU - 1.73 AU

Year: 712 Days

Day: 20.5 Hours

Environment

Temp: -52 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.52 AU - 1.94 AU

Year: 848 Days

Day: 13.3 Hours

Environment

Temp: -61 °C

Axial Tilt: 142.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.4

Radius: 8.2

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.38 AU - 8.24 AU

Year: 6625 Days

Day: 7 Hours

Environment

Temp: -157 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 90,401,404 km

• M1: 102,026 km (0.033 R)
• M2: 375,491 km (0.11 R)
• M3: 839,394 km (0.114 R)
• M4: 1,144,125 km (0.078 R)
• M5: 1,908,869 km (0.069 R)
• M6: 2,703,084 km (0.05 R)
• M7: 3,207,229 km (0.094 R)
• M8: 3,470,671 km (0.114 R)
• M9: 4,193,827 km (0.089 R)
• M10: 4,482,850 km (0.036 R)
• M11: 5,554,419 km (0.095 R)
• M12: 7,187,430 km (0.091 R)
• M13: 7,449,824 km (0.117 R)
• M14: 9,031,074 km (0.104 R)
• M15: 9,559,603 km (0.118 R)
• M16: 10,015,727 km (0.036 R)
• M17: 10,296,223 km (0.064 R)
• M18: 11,830,349 km (0.085 R)
• M19: 12,409,742 km (0.098 R)
• M20: 15,781,528 km (0.111 R)
• M21: 18,364,186 km (0.092 R)
• M22: 21,292,714 km (0.102 R)
• M23: 22,149,610 km (0.098 R)
• M24: 23,601,009 km (0.03 R)
• M25: 24,182,346 km (0.067 R)
• M26: 25,895,541 km (0.108 R)
• M27: 26,159,432 km (0.057 R)
• M28: 30,334,858 km (0.119 R)
• M29: 33,352,696 km (0.084 R)
• M30: 34,613,806 km (0.104 R)
• M31: 37,343,069 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.3

Radius: 3.7

Gravity: 58.02 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 13.36 AU - 19.88 AU

Year: 25258 Days

Day: 17.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 90,401,404 km

• M1: 46,076 km (0.056 R)
• M2: 428,448 km (0.04 R)
• M3: 666,309 km (0.107 R)
• M4: 1,067,381 km (0.116 R)
• M5: 1,288,636 km (0.103 R)
• M6: 1,435,691 km (0.088 R)
• M7: 2,229,906 km (0.11 R)
• M8: 3,462,144 km (0.059 R)
• M9: 7,836,535 km (0.108 R)
• M10: 9,553,619 km (0.117 R)
• M11: 11,997,151 km (0.039 R)
• M12: 14,181,130 km (0.119 R)
• M13: 16,352,244 km (0.094 R)
• M14: 19,610,934 km (0.113 R)
• M15: 20,109,095 km (0.103 R)
• M16: 23,948,226 km (0.088 R)
• M17: 27,498,632 km (0.119 R)
• M18: 27,871,878 km (0.074 R)
• M19: 28,374,677 km (0.082 R)
• M20: 33,035,548 km (0.092 R)
• M21: 45,897,076 km (0.118 R)
• M22: 48,201,032 km (0.066 R)
• M23: 53,422,746 km (0.097 R)
• M24: 54,393,337 km (0.09 R)
• M25: 54,588,712 km (0.092 R)
• M26: 63,879,039 km (0.098 R)
• M27: 71,558,496 km (0.103 R)
• M28: 75,133,436 km (0.05 R)
• M29: 77,334,470 km (0.095 R)
• M30: 90,624,296 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.6

Radius: 5.2

Gravity: 16.78 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 17.74 AU - 21.04 AU

Year: 31829 Days

Day: 22.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,401,404 km

• M1: 89,460 km (0.078 R)
• M2: 369,507 km (0.051 R)
• M3: 1,707,959 km (0.08 R)
• M4: 3,108,793 km (0.106 R)
• M5: 3,774,205 km (0.113 R)
• M6: 4,072,204 km (0.097 R)
• M7: 4,244,391 km (0.048 R)
• M8: 4,982,656 km (0.026 R)
• M9: 31,450,260 km (0.058 R)
• M10: 32,124,647 km (0.048 R)
• M11: 36,523,123 km (0.12 R)
• M12: 37,118,373 km (0.063 R)
• M13: 41,145,847 km (0.071 R)
• M14: 41,790,315 km (0.113 R)
• M15: 45,455,313 km (0.038 R)
• M16: 67,468,789 km (0.113 R)
• M17: 71,794,113 km (0.104 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: 442 - 19,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit