🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.43 AU - 0.63 AU

Year: 142 Days

Day: 22.4 Hours

Environment

Temp: 246 °C

Axial Tilt: 34 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.14 AU - 3.56 AU

Year: 2262 Days

Day: 19.9 Hours

Environment

Temp: -114 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.5

Radius: 14

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.12 AU - 7.18 AU

Year: 5627 Days

Day: 11.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,977,863 km

• M1: 179,069 km (0.095 R)
• M2: 461,958 km (0.066 R)
• M3: 940,372 km (0.118 R)
• M4: 1,295,368 km (0.043 R)
• M5: 1,910,514 km (0.04 R)
• M6: 2,981,186 km (0.107 R)
• M7: 3,542,926 km (0.115 R)
• M8: 3,861,121 km (0.093 R)
• M9: 4,599,536 km (0.1 R)
• M10: 4,983,853 km (0.11 R)
• M11: 5,319,700 km (0.116 R)
• M12: 6,025,653 km (0.071 R)
• M13: 6,825,403 km (0.076 R)
• M14: 7,144,794 km (0.087 R)
• M15: 12,237,255 km (0.093 R)
• M16: 12,699,214 km (0.09 R)
• M17: 13,305,983 km (0.058 R)
• M18: 13,649,310 km (0.096 R)
• M19: 15,322,113 km (0.066 R)
• M20: 17,209,290 km (0.092 R)
• M21: 18,475,038 km (0.085 R)
• M22: 19,125,041 km (0.043 R)
• M23: 22,057,757 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.7

Radius: 15

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.35 AU - 7.23 AU

Year: 6528 Days

Day: 7.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,977,863 km

• M1: 195,674 km (0.118 R)
• M2: 831,465 km (0.106 R)
• M3: 2,100,653 km (0.088 R)
• M4: 2,961,439 km (0.113 R)
• M5: 6,539,821 km (0.027 R)
• M6: 6,843,953 km (0.054 R)
• M7: 11,127,838 km (0.056 R)
• M8: 11,931,029 km (0.045 R)
• M9: 13,827,780 km (0.115 R)
• M10: 14,152,707 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.2

Radius: 11.4

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.61 AU - 10.01 AU

Year: 8839 Days

Day: 10.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,977,863 km

• M1: 452,085 km (0.11 R)
• M2: 742,604 km (0.094 R)
• M3: 966,851 km (0.114 R)
• M4: 1,290,581 km (0.038 R)
• M5: 1,521,859 km (0.106 R)
• M6: 1,743,563 km (0.108 R)
• M7: 2,658,953 km (0.114 R)
• M8: 3,311,349 km (0.095 R)
• M9: 4,257,107 km (0.118 R)
• M10: 5,719,276 km (0.102 R)
• M11: 6,067,839 km (0.102 R)
• M12: 7,017,038 km (0.08 R)
• M13: 7,338,374 km (0.09 R)
• M14: 8,276,801 km (0.119 R)
• M15: 9,199,671 km (0.115 R)
• M16: 9,679,730 km (0.067 R)
• M17: 9,943,322 km (0.09 R)
• M18: 11,600,567 km (0.043 R)
• M19: 13,786,790 km (0.051 R)
• M20: 15,635,072 km (0.111 R)
• M21: 16,067,111 km (0.113 R)
• M22: 16,652,337 km (0.048 R)
• M23: 16,998,656 km (0.099 R)
• M24: 18,836,167 km (0.09 R)
• M25: 21,434,233 km (0.112 R)
• M26: 23,435,254 km (0.049 R)
• M27: 25,404,112 km (0.066 R)
• M28: 26,078,050 km (0.079 R)
• M29: 27,897,609 km (0.08 R)
• M30: 29,450,136 km (0.089 R)
• M31: 30,709,152 km (0.118 R)
• M32: 31,179,637 km (0.107 R)
• M33: 34,716,131 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.8

Radius: 10.5

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.66 AU - 11.32 AU

Year: 11650 Days

Day: 10.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,977,863 km

• M1: 154,684 km (0.101 R)
• M2: 659,128 km (0.074 R)
• M3: 1,554,920 km (0.085 R)
• M4: 2,007,304 km (0.11 R)
• M5: 2,331,034 km (0.104 R)
• M6: 2,775,340 km (0.083 R)
• M7: 3,948,785 km (0.094 R)
• M8: 6,132,615 km (0.104 R)
• M9: 10,573,278 km (0.114 R)
• M10: 17,194,031 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.7

Radius: 6.1

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 16.65 AU - 17.15 AU

Year: 25633 Days

Day: 17.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 128 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,977,863 km

• M1: 83,775 km (0.094 R)
• M2: 686,505 km (0.073 R)
• M3: 1,172,698 km (0.088 R)
• M4: 1,635,105 km (0.07 R)
• M5: 3,971,674 km (0.054 R)
• M6: 4,842,333 km (0.096 R)
• M7: 6,721,881 km (0.117 R)
• M8: 7,981,046 km (0.102 R)
• M9: 10,932,762 km (0.071 R)
• M10: 12,300,535 km (0.092 R)
• M11: 15,978,549 km (0.066 R)
• M12: 17,625,322 km (0.086 R)
• M13: 23,052,733 km (0.103 R)
• M14: 23,753,150 km (0.092 R)
• M15: 28,176,161 km (0.074 R)
• M16: 29,998,412 km (0.048 R)
• M17: 44,356,965 km (0.048 R)
• M18: 45,870,746 km (0.096 R)
• M19: 46,198,366 km (0.119 R)
• M20: 50,564,679 km (0.087 R)
• M21: 52,413,110 km (0.084 R)
• M22: 61,142,146 km (0.083 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 19,830 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit