🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.51 AU - 0.53 AU

Year: 141 Days

Day: 20.2 Hours

Environment

Temp: 201 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 70,136,080 km

• M1: 51,013 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.79 AU - 1.29 AU

Year: 397 Days

Day: 40.8 Hours

Environment

Temp: 25 °C

Axial Tilt: 6.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.17 AU - 1.77 AU

Year: 668 Days

Day: 39.5 Hours

Environment

Temp: -40 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.2

Radius: 14.9

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.18 AU - 6.96 AU

Year: 4926 Days

Day: 7.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,136,080 km

• M1: 185,501 km (0.028 R)
• M2: 1,035,666 km (0.086 R)
• M3: 1,691,354 km (0.097 R)
• M4: 3,063,465 km (0.101 R)
• M5: 3,634,031 km (0.118 R)
• M6: 6,188,415 km (0.082 R)
• M7: 7,351,239 km (0.091 R)
• M8: 8,828,369 km (0.075 R)
• M9: 9,918,189 km (0.039 R)
• M10: 10,417,547 km (0.074 R)
• M11: 10,974,201 km (0.098 R)
• M12: 12,147,048 km (0.096 R)
• M13: 13,034,911 km (0.105 R)
• M14: 14,692,605 km (0.109 R)
• M15: 15,495,647 km (0.077 R)
• M16: 16,222,094 km (0.095 R)
• M17: 17,520,304 km (0.041 R)
• M18: 18,481,022 km (0.047 R)
• M19: 18,945,224 km (0.066 R)
• M20: 20,693,425 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.2

Radius: 12.6

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 7.7 AU - 8.14 AU

Year: 8352 Days

Day: 6.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,136,080 km

• M1: 156,928 km (0.1 R)
• M2: 549,772 km (0.077 R)
• M3: 1,028,336 km (0.12 R)
• M4: 1,622,539 km (0.072 R)
• M5: 2,524,165 km (0.105 R)
• M6: 4,909,503 km (0.053 R)
• M7: 5,840,301 km (0.086 R)
• M8: 6,646,484 km (0.099 R)
• M9: 7,094,230 km (0.102 R)
• M10: 8,050,759 km (0.11 R)
• M11: 9,301,397 km (0.119 R)
• M12: 9,951,250 km (0.091 R)
• M13: 11,101,508 km (0.092 R)
• M14: 12,858,236 km (0.038 R)
• M15: 13,610,564 km (0.087 R)
• M16: 15,085,150 km (0.103 R)
• M17: 17,951,296 km (0.089 R)
• M18: 18,891,219 km (0.111 R)
• M19: 21,458,767 km (0.111 R)
• M20: 22,059,552 km (0.042 R)
• M21: 22,826,242 km (0.029 R)
• M22: 23,690,020 km (0.084 R)
• M23: 25,233,122 km (0.094 R)
• M24: 27,364,293 km (0.046 R)
• M25: 28,518,740 km (0.063 R)
• M26: 29,983,901 km (0.082 R)
• M27: 30,451,993 km (0.09 R)
• M28: 33,463,099 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.1

Radius: 9.3

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.01 AU - 9.23 AU

Year: 8671 Days

Day: 10.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,136,080 km

• M1: 115,938 km (0.049 R)
• M2: 680,371 km (0.115 R)
• M3: 1,066,782 km (0.1 R)
• M4: 1,942,528 km (0.064 R)
• M5: 2,374,567 km (0.082 R)
• M6: 6,395,010 km (0.096 R)
• M7: 7,841,023 km (0.037 R)
• M8: 9,100,637 km (0.053 R)
• M9: 10,740,828 km (0.031 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210

Radius: 6.9

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 12.51 AU - 14.43 AU

Year: 18526 Days

Day: 18.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,136,080 km

• M1: 86,617 km (0.118 R)
• M2: 632,799 km (0.119 R)
• M3: 971,189 km (0.064 R)
• M4: 1,453,044 km (0.086 R)
• M5: 2,491,403 km (0.103 R)
• M6: 3,200,497 km (0.086 R)
• M7: 3,489,221 km (0.056 R)
• M8: 4,639,928 km (0.108 R)
• M9: 7,496,499 km (0.077 R)
• M10: 8,360,726 km (0.094 R)
• M11: 10,285,602 km (0.107 R)
• M12: 12,312,802 km (0.107 R)
• M13: 15,455,704 km (0.112 R)
• M14: 16,423,303 km (0.086 R)
• M15: 17,138,680 km (0.084 R)
• M16: 21,365,119 km (0.078 R)
• M17: 22,915,252 km (0.065 R)
• M18: 26,820,953 km (0.108 R)
• M19: 29,033,805 km (0.11 R)
• M20: 33,933,734 km (0.1 R)
• M21: 37,123,460 km (0.09 R)
• M22: 38,105,570 km (0.088 R)
• M23: 46,312,359 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.5

Radius: 7.3

Gravity: 17.46 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 12.94 AU - 14.3 AU

Year: 18836 Days

Day: 18.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,136,080 km

• M1: 90,806 km (0.087 R)
• M2: 808,128 km (0.059 R)
• M3: 1,074,861 km (0.078 R)
• M4: 1,866,233 km (0.045 R)
• M5: 2,642,796 km (0.109 R)
• M6: 3,383,006 km (0.058 R)
• M7: 3,959,257 km (0.078 R)
• M8: 10,630,873 km (0.111 R)
• M9: 14,600,303 km (0.111 R)
• M10: 16,785,479 km (0.072 R)
• M11: 17,299,199 km (0.097 R)
• M12: 18,000,364 km (0.057 R)
• M13: 18,629,124 km (0.082 R)
• M14: 22,096,802 km (0.109 R)
• M15: 22,506,850 km (0.109 R)
• M16: 23,982,184 km (0.103 R)
• M17: 30,783,352 km (0.075 R)
• M18: 35,174,499 km (0.068 R)
• M19: 37,882,968 km (0.108 R)
• M20: 41,966,691 km (0.118 R)
• M21: 42,280,397 km (0.113 R)
• M22: 45,338,776 km (0.116 R)
• M23: 50,109,901 km (0.116 R)
• M24: 56,150,065 km (0.085 R)
• M25: 56,913,612 km (0.04 R)
• M26: 57,877,771 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220

Radius: 6.6

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 17.31 AU - 20.85 AU

Year: 31232 Days

Day: 15.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,136,080 km

• M1: 82,129 km (0.042 R)
• M2: 396,734 km (0.064 R)
• M3: 2,715,800 km (0.107 R)
• M4: 7,733,013 km (0.061 R)
• M5: 9,595,207 km (0.118 R)
• M6: 19,055,478 km (0.101 R)
• M7: 19,320,715 km (0.095 R)
• M8: 25,367,610 km (0.098 R)
• M9: 28,125,746 km (0.082 R)
• M10: 37,726,788 km (0.116 R)
• M11: 40,719,942 km (0.09 R)
• M12: 64,414,749 km (0.062 R)
• M13: 67,030,767 km (0.115 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 16,213 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit