🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.59 AU - 0.83 AU

Year: 215 Days

Day: 32.9 Hours

Environment

Temp: 133 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.7 AU - 2.3 AU

Year: 1018 Days

Day: 20.4 Hours

Environment

Temp: -59 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.65 AU - 3.51 AU

Year: 1945 Days

Day: 34.4 Hours

Environment

Temp: -95 °C

Axial Tilt: 153.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.9

Radius: 8.1

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.52 AU - 5.76 AU

Year: 4820 Days

Day: 10.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,711,140 km

• M1: 101,577 km (0.036 R)
• M2: 1,941,780 km (0.074 R)
• M3: 2,280,021 km (0.113 R)
• M4: 2,861,358 km (0.117 R)
• M5: 4,089,707 km (0.097 R)
• M6: 4,576,199 km (0.06 R)
• M7: 4,896,338 km (0.106 R)
• M8: 8,489,530 km (0.119 R)
• M9: 8,974,077 km (0.099 R)
• M10: 10,454,498 km (0.093 R)
• M11: 10,881,151 km (0.069 R)
• M12: 14,045,295 km (0.1 R)
• M13: 14,459,981 km (0.086 R)
• M14: 16,888,253 km (0.117 R)
• M15: 18,444,370 km (0.105 R)
• M16: 19,067,595 km (0.045 R)
• M17: 19,512,050 km (0.04 R)
• M18: 20,159,061 km (0.111 R)
• M19: 20,553,999 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.6

Radius: 13.8

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.64 AU - 8.38 AU

Year: 6680 Days

Day: 14.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,711,140 km

• M1: 172,038 km (0.102 R)
• M2: 677,529 km (0.117 R)
• M3: 1,630,617 km (0.116 R)
• M4: 2,154,209 km (0.114 R)
• M5: 3,234,456 km (0.065 R)
• M6: 4,417,924 km (0.071 R)
• M7: 5,307,732 km (0.1 R)
• M8: 7,228,868 km (0.107 R)
• M9: 8,866,217 km (0.083 R)
• M10: 9,750,490 km (0.069 R)
• M11: 10,372,219 km (0.096 R)
• M12: 15,196,002 km (0.074 R)
• M13: 22,851,524 km (0.119 R)
• M14: 24,919,265 km (0.036 R)
• M15: 31,868,834 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.5

Radius: 12.9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.55 AU - 8.53 AU

Year: 6722 Days

Day: 5.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,711,140 km

• M1: 160,519 km (0.085 R)
• M2: 585,227 km (0.113 R)
• M3: 1,197,681 km (0.075 R)
• M4: 1,917,845 km (0.075 R)
• M5: 2,403,290 km (0.036 R)
• M6: 2,970,864 km (0.062 R)
• M7: 5,028,284 km (0.084 R)
• M8: 6,222,374 km (0.094 R)
• M9: 6,764,068 km (0.117 R)
• M10: 8,786,481 km (0.081 R)
• M11: 9,209,245 km (0.108 R)
• M12: 10,372,668 km (0.096 R)
• M13: 11,184,834 km (0.076 R)
• M14: 12,142,111 km (0.036 R)
• M15: 12,990,182 km (0.059 R)
• M16: 14,220,175 km (0.074 R)
• M17: 15,648,835 km (0.086 R)
• M18: 16,461,750 km (0.06 R)
• M19: 19,351,981 km (0.054 R)
• M20: 20,805,324 km (0.065 R)
• M21: 21,482,553 km (0.091 R)
• M22: 22,881,144 km (0.08 R)
• M23: 25,516,161 km (0.116 R)
• M24: 26,292,275 km (0.114 R)
• M25: 30,603,685 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.8

Radius: 10.6

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 8.18 AU - 8.44 AU

Year: 8621 Days

Day: 8.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,711,140 km

• M1: 133,142 km (0.093 R)
• M2: 489,933 km (0.114 R)
• M3: 879,785 km (0.073 R)
• M4: 1,219,223 km (0.082 R)
• M5: 1,870,572 km (0.101 R)
• M6: 2,378,157 km (0.116 R)
• M7: 3,161,601 km (0.117 R)
• M8: 3,695,067 km (0.108 R)
• M9: 4,392,493 km (0.05 R)
• M10: 4,857,443 km (0.11 R)
• M11: 5,854,213 km (0.098 R)
• M12: 7,127,890 km (0.111 R)
• M13: 7,693,968 km (0.111 R)
• M14: 9,001,603 km (0.1 R)
• M15: 9,528,487 km (0.084 R)
• M16: 12,157,669 km (0.118 R)
• M17: 14,393,260 km (0.101 R)
• M18: 17,556,806 km (0.069 R)
• M19: 18,379,894 km (0.077 R)
• M20: 22,805,298 km (0.034 R)
• M21: 30,456,630 km (0.044 R)
• M22: 30,947,760 km (0.076 R)
• M23: 32,148,283 km (0.094 R)
• M24: 33,797,001 km (0.108 R)
• M25: 36,374,423 km (0.08 R)

Kuiper Belt

Range: 30.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 14,286 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit