🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.42 AU - 0.62 AU

Year: 139 Days

Day: 16.2 Hours

Environment

Temp: 214 °C

Axial Tilt: 32.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,712,249 km

• M1: 96,939 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.48 AU - 0.66 AU

Year: 160 Days

Day: 37.2 Hours

Environment

Temp: 144 °C

Axial Tilt: 10.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.62 AU - 0.68 AU

Year: 194 Days

Day: 31.2 Hours

Environment

Temp: 125 °C

Axial Tilt: 37.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.73 AU - 0.97 AU

Year: 291 Days

Day: 39.5 Hours

Environment

Temp: 124 °C

Axial Tilt: 8.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.77 AU - 1.13 AU

Year: 343 Days

Day: 25.8 Hours

Environment

Temp: 31 °C

Axial Tilt: 46 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.8

Radius: 12.4

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.36 AU - 5.18 AU

Year: 3864 Days

Day: 14.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,712,249 km

• M1: 154,385 km (0.074 R)
• M2: 609,163 km (0.108 R)
• M3: 1,105,379 km (0.078 R)
• M4: 2,052,184 km (0.102 R)
• M5: 2,461,184 km (0.086 R)
• M6: 4,998,514 km (0.104 R)
• M7: 6,945,979 km (0.086 R)
• M8: 8,000,045 km (0.077 R)
• M9: 9,422,422 km (0.114 R)
• M10: 10,749,654 km (0.083 R)
• M11: 12,197,762 km (0.076 R)
• M12: 12,927,500 km (0.117 R)
• M13: 15,712,713 km (0.073 R)

Asteroid Belt

Center: 7.06 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.3

Radius: 13.4

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.35 AU - 9.35 AU

Year: 10603 Days

Day: 6.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,712,249 km

• M1: 167,550 km (0.076 R)
• M2: 654,042 km (0.077 R)
• M3: 1,145,471 km (0.105 R)
• M4: 1,563,747 km (0.044 R)
• M5: 2,895,467 km (0.057 R)
• M6: 3,824,769 km (0.094 R)
• M7: 4,431,687 km (0.086 R)
• M8: 6,533,238 km (0.104 R)
• M9: 8,084,568 km (0.09 R)
• M10: 11,398,909 km (0.031 R)
• M11: 12,542,285 km (0.085 R)
• M12: 14,463,721 km (0.105 R)
• M13: 15,528,857 km (0.062 R)
• M14: 16,933,133 km (0.116 R)
• M15: 21,230,331 km (0.045 R)
• M16: 25,342,777 km (0.114 R)
• M17: 27,286,053 km (0.093 R)
• M18: 27,787,056 km (0.111 R)
• M19: 28,498,694 km (0.101 R)
• M20: 31,358,107 km (0.092 R)
• M21: 33,367,356 km (0.072 R)
• M22: 35,342,647 km (0.116 R)
• M23: 36,540,327 km (0.056 R)
• M24: 44,164,134 km (0.111 R)
• M25: 46,258,803 km (0.116 R)
• M26: 46,828,472 km (0.098 R)
• M27: 48,127,281 km (0.101 R)
• M28: 49,747,126 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.5

Radius: 4.3

Gravity: 39.56 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 11.88 AU - 14.82 AU

Year: 18089 Days

Day: 15.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,712,249 km

• M1: 56,398 km (0.118 R)
• M2: 232,325 km (0.105 R)
• M3: 404,363 km (0.081 R)
• M4: 838,047 km (0.107 R)
• M5: 1,484,160 km (0.038 R)
• M6: 1,753,885 km (0.057 R)
• M7: 2,480,183 km (0.09 R)
• M8: 2,641,898 km (0.107 R)
• M9: 2,885,145 km (0.106 R)
• M10: 4,331,906 km (0.045 R)
• M11: 4,532,965 km (0.065 R)
• M12: 4,917,731 km (0.096 R)
• M13: 5,633,108 km (0.113 R)
• M14: 6,160,889 km (0.077 R)
• M15: 6,415,355 km (0.075 R)
• M16: 7,942,001 km (0.077 R)
• M17: 8,709,887 km (0.063 R)
• M18: 9,248,440 km (0.049 R)
• M19: 22,012,130 km (0.059 R)
• M20: 23,517,982 km (0.055 R)
• M21: 26,732,990 km (0.074 R)
• M22: 27,637,309 km (0.086 R)
• M23: 28,796,244 km (0.061 R)
• M24: 31,458,936 km (0.118 R)
• M25: 33,236,159 km (0.081 R)
• M26: 40,718,446 km (0.117 R)
• M27: 50,948,846 km (0.109 R)
• M28: 51,813,372 km (0.111 R)
• M29: 51,987,504 km (0.103 R)
• M30: 72,737,626 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 235.2

Radius: 6.6

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 17.43 AU - 21.53 AU

Year: 31885 Days

Day: 16.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,712,249 km

• M1: 97,837 km (0.052 R)
• M2: 754,721 km (0.105 R)
• M3: 1,946,717 km (0.115 R)
• M4: 3,973,768 km (0.117 R)
• M5: 7,622,760 km (0.068 R)
• M6: 9,547,486 km (0.1 R)
• M7: 11,646,194 km (0.07 R)
• M8: 17,814,114 km (0.085 R)
• M9: 35,620,300 km (0.085 R)
• M10: 37,829,262 km (0.072 R)
• M11: 38,395,490 km (0.093 R)
• M12: 43,130,263 km (0.114 R)
• M13: 52,677,300 km (0.051 R)
• M14: 62,945,249 km (0.071 R)
• M15: 70,982,993 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 13,978 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit