🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.4 AU - 0.62 AU

Year: 232 Days

Day: 19.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.44 AU - 0.68 AU

Year: 266 Days

Day: 18.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,456,469 km

• M1: 55,800 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.62 AU - 0.68 AU

Year: 333 Days

Day: 15.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.13 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.2

Radius: 9.5

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.31 AU - 1.89 AU

Year: 1287 Days

Day: 10.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,456,469 km

• M1: 118,182 km (0.117 R)
• M2: 536,608 km (0.087 R)
• M3: 877,242 km (0.106 R)
• M4: 1,534,725 km (0.101 R)
• M5: 1,897,948 km (0.115 R)
• M6: 2,218,686 km (0.1 R)
• M7: 2,575,776 km (0.103 R)
• M8: 3,233,259 km (0.074 R)
• M9: 4,657,730 km (0.111 R)
• M10: 5,287,238 km (0.098 R)
• M11: 6,125,135 km (0.065 R)
• M12: 6,529,947 km (0.087 R)
• M13: 6,857,118 km (0.095 R)
• M14: 7,443,541 km (0.094 R)
• M15: 8,089,505 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.2

Radius: 11.3

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.23 AU - 1.99 AU

Year: 1299 Days

Day: 13.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 119.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,456,469 km

• M1: 140,921 km (0.094 R)
• M2: 504,145 km (0.064 R)
• M3: 928,853 km (0.062 R)
• M4: 1,356,553 km (0.043 R)
• M5: 1,743,264 km (0.107 R)
• M6: 2,101,700 km (0.119 R)
• M7: 2,487,065 km (0.074 R)
• M8: 2,958,447 km (0.084 R)
• M9: 3,333,041 km (0.108 R)
• M10: 4,445,750 km (0.107 R)
• M11: 5,750,093 km (0.098 R)
• M12: 6,827,497 km (0.036 R)
• M13: 7,246,820 km (0.09 R)
• M14: 8,851,706 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.2

Radius: 12.4

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.55 AU - 1.75 AU

Year: 1348 Days

Day: 11.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,456,469 km

• M1: 154,235 km (0.111 R)
• M2: 574,157 km (0.052 R)
• M3: 1,126,322 km (0.105 R)
• M4: 1,676,394 km (0.032 R)
• M5: 2,515,339 km (0.119 R)
• M6: 2,902,199 km (0.092 R)
• M7: 3,385,250 km (0.073 R)
• M8: 4,395,185 km (0.077 R)
• M9: 5,881,440 km (0.055 R)
• M10: 6,503,767 km (0.084 R)
• M11: 9,131,753 km (0.094 R)
• M12: 9,937,787 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236

Radius: 14.1

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.49 AU - 1.93 AU

Year: 1422 Days

Day: 7.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,456,469 km

• M1: 175,329 km (0.056 R)
• M2: 679,773 km (0.103 R)
• M3: 1,225,207 km (0.111 R)
• M4: 1,752,090 km (0.056 R)
• M5: 2,213,300 km (0.077 R)
• M6: 2,675,259 km (0.113 R)
• M7: 3,268,115 km (0.073 R)
• M8: 4,085,518 km (0.104 R)
• M9: 4,601,930 km (0.097 R)
• M10: 5,235,177 km (0.109 R)
• M11: 5,905,974 km (0.08 R)
• M12: 7,212,263 km (0.118 R)
• M13: 8,193,475 km (0.096 R)
• M14: 8,755,664 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.1

Radius: 7.1

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.66 AU - 11.02 AU

Year: 16711 Days

Day: 17.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,456,469 km

• M1: 89,011 km (0.067 R)
• M2: 563,834 km (0.063 R)
• M3: 1,485,806 km (0.12 R)
• M4: 1,919,939 km (0.054 R)
• M5: 2,388,031 km (0.049 R)
• M6: 3,327,954 km (0.062 R)
• M7: 3,958,659 km (0.118 R)
• M8: 4,185,898 km (0.109 R)
• M9: 4,445,899 km (0.117 R)
• M10: 5,911,659 km (0.103 R)
• M11: 6,361,649 km (0.091 R)
• M12: 10,910,921 km (0.099 R)
• M13: 11,866,701 km (0.063 R)
• M14: 14,100,796 km (0.093 R)
• M15: 14,365,136 km (0.062 R)
• M16: 15,178,200 km (0.112 R)
• M17: 16,836,492 km (0.115 R)
• M18: 21,748,987 km (0.109 R)
• M19: 22,892,513 km (0.119 R)
• M20: 23,184,528 km (0.119 R)
• M21: 24,682,153 km (0.037 R)
• M22: 27,456,445 km (0.11 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: 494 - 10,720 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit