🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.5 AU - 0.6 AU

Year: 154 Days

Day: 32.9 Hours

Environment

Temp: 194 °C

Axial Tilt: 15.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.8 AU - 0.82 AU

Year: 276 Days

Day: 30.5 Hours

Environment

Temp: 121 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.3 AU - 1.52 AU

Year: 634 Days

Day: 32.6 Hours

Environment

Temp: -45 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.22 AU - 1.96 AU

Year: 759 Days

Day: 31.1 Hours

Environment

Temp: -57 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.18 AU - 2.2 AU

Year: 1227 Days

Day: 23.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.14 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.5

Radius: 14.4

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.21 AU - 9.97 AU

Year: 8715 Days

Day: 11.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,197,178 km

• M1: 182,659 km (0.095 R)
• M2: 782,846 km (0.111 R)
• M3: 1,268,440 km (0.104 R)
• M4: 1,833,023 km (0.101 R)
• M5: 3,420,256 km (0.084 R)
• M6: 5,212,289 km (0.046 R)
• M7: 6,214,146 km (0.056 R)
• M8: 7,758,295 km (0.046 R)
• M9: 8,434,926 km (0.076 R)
• M10: 9,906,521 km (0.113 R)
• M11: 11,241,981 km (0.03 R)
• M12: 12,162,157 km (0.045 R)
• M13: 12,748,731 km (0.038 R)
• M14: 17,735,426 km (0.108 R)
• M15: 18,421,033 km (0.094 R)
• M16: 19,338,966 km (0.093 R)
• M17: 24,308,308 km (0.102 R)
• M18: 26,196,532 km (0.116 R)
• M19: 27,904,491 km (0.092 R)
• M20: 29,209,732 km (0.097 R)
• M21: 30,849,026 km (0.094 R)
• M22: 31,342,699 km (0.059 R)
• M23: 32,244,475 km (0.119 R)
• M24: 36,243,824 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.7

Radius: 3.1

Gravity: 61.88 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 16.09 AU - 17.51 AU

Year: 26080 Days

Day: 21 Hours

Environment

Temp: -201 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,197,178 km

• M1: 39,793 km (0.106 R)
• M2: 1,631,963 km (0.1 R)
• M3: 2,194,601 km (0.097 R)
• M4: 2,719,540 km (0.116 R)
• M5: 3,011,405 km (0.095 R)
• M6: 3,150,681 km (0.119 R)
• M7: 4,678,823 km (0.076 R)
• M8: 7,825,165 km (0.113 R)
• M9: 9,857,303 km (0.103 R)
• M10: 13,374,199 km (0.066 R)
• M11: 14,525,355 km (0.101 R)
• M12: 19,502,326 km (0.037 R)
• M13: 20,677,717 km (0.043 R)
• M14: 23,821,067 km (0.117 R)
• M15: 24,262,830 km (0.12 R)
• M16: 25,391,097 km (0.117 R)
• M17: 29,362,023 km (0.119 R)
• M18: 36,281,373 km (0.103 R)
• M19: 49,198,252 km (0.111 R)
• M20: 54,737,562 km (0.092 R)
• M21: 83,558,190 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.1

Radius: 3.1

Gravity: 16.97 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 15.39 AU - 22.93 AU

Year: 31764 Days

Day: 20.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,197,178 km

• M1: 39,045 km (0.077 R)
• M2: 214,673 km (0.117 R)
• M3: 1,205,759 km (0.084 R)
• M4: 1,931,458 km (0.086 R)
• M5: 3,235,952 km (0.084 R)
• M6: 3,614,883 km (0.117 R)
• M7: 3,932,928 km (0.105 R)
• M8: 5,963,270 km (0.078 R)
• M9: 13,148,456 km (0.09 R)
• M10: 17,821,295 km (0.098 R)
• M11: 19,077,020 km (0.101 R)
• M12: 24,997,355 km (0.098 R)
• M13: 40,704,833 km (0.109 R)
• M14: 42,872,655 km (0.095 R)
• M15: 43,760,818 km (0.032 R)
• M16: 44,359,808 km (0.115 R)
• M17: 44,510,303 km (0.118 R)
• M18: 44,964,183 km (0.114 R)
• M19: 53,497,994 km (0.119 R)
• M20: 58,052,800 km (0.067 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 19,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit