🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.76 AU - 0.88 AU

Year: 277 Days

Day: 19.5 Hours

Environment

Temp: 140 °C

Axial Tilt: 31.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 72,327,102 km

• M1: 58,343 km (0.099 R)
• M2: 530,624 km (0.034 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.14 AU - 1.86 AU

Year: 685 Days

Day: 21.9 Hours

Environment

Temp: -46 °C

Axial Tilt: 41.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.63 AU - 1.77 AU

Year: 826 Days

Day: 37.8 Hours

Environment

Temp: -63 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,327,102 km

• M1: 63,280 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.58 AU - 3.9 AU

Year: 2174 Days

Day: 24.5 Hours

Environment

Temp: -112 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.2

Radius: 10

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 8.16 AU - 11.5 AU

Year: 11489 Days

Day: 13.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,327,102 km

• M1: 124,465 km (0.1 R)
• M2: 699,220 km (0.087 R)
• M3: 1,433,896 km (0.077 R)
• M4: 2,184,877 km (0.101 R)
• M5: 3,765,528 km (0.112 R)
• M6: 4,085,219 km (0.05 R)
• M7: 6,300,015 km (0.109 R)
• M8: 6,716,944 km (0.052 R)
• M9: 9,304,838 km (0.094 R)
• M10: 10,125,083 km (0.112 R)
• M11: 11,753,157 km (0.109 R)
• M12: 14,602,248 km (0.11 R)
• M13: 15,835,533 km (0.079 R)
• M14: 23,885,394 km (0.12 R)
• M15: 25,419,670 km (0.095 R)
• M16: 28,778,142 km (0.086 R)
• M17: 32,013,496 km (0.089 R)
• M18: 34,300,398 km (0.085 R)
• M19: 37,365,808 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18

Radius: 14.2

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 9.02 AU - 10.72 AU

Year: 11559 Days

Day: 14 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,327,102 km

• M1: 190,737 km (0.117 R)
• M2: 760,107 km (0.063 R)
• M3: 1,301,950 km (0.076 R)
• M4: 2,887,389 km (0.062 R)
• M5: 10,466,615 km (0.074 R)
• M6: 12,539,144 km (0.091 R)
• M7: 13,440,321 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.1

Radius: 3.5

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 13.1 AU - 14.06 AU

Year: 18655 Days

Day: 25 Hours

Environment

Temp: -194 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,327,102 km

• M1: 111,600 km (0.062 R)
• M2: 354,697 km (0.07 R)
• M3: 2,353,922 km (0.083 R)
• M4: 2,466,719 km (0.119 R)
• M5: 3,587,806 km (0.079 R)
• M6: 6,577,818 km (0.053 R)
• M7: 7,334,784 km (0.106 R)
• M8: 14,647,277 km (0.118 R)
• M9: 17,899,086 km (0.044 R)
• M10: 20,225,333 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 235.2

Radius: 7

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 15.54 AU - 23.08 AU

Year: 31632 Days

Day: 23.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,327,102 km

• M1: 87,066 km (0.117 R)
• M2: 423,512 km (0.083 R)
• M3: 898,934 km (0.036 R)
• M4: 1,229,395 km (0.089 R)
• M5: 1,741,768 km (0.083 R)
• M6: 2,116,660 km (0.074 R)
• M7: 3,401,556 km (0.062 R)
• M8: 3,628,796 km (0.032 R)
• M9: 4,372,297 km (0.099 R)
• M10: 4,993,427 km (0.099 R)
• M11: 5,250,287 km (0.068 R)
• M12: 6,582,606 km (0.083 R)
• M13: 6,802,514 km (0.045 R)
• M14: 7,210,767 km (0.055 R)
• M15: 7,587,305 km (0.108 R)
• M16: 8,026,375 km (0.075 R)
• M17: 10,781,219 km (0.093 R)
• M18: 14,923,584 km (0.084 R)
• M19: 17,387,312 km (0.03 R)
• M20: 18,496,730 km (0.076 R)
• M21: 19,925,988 km (0.118 R)
• M22: 23,715,601 km (0.101 R)
• M23: 24,443,095 km (0.068 R)
• M24: 26,382,033 km (0.099 R)
• M25: 31,176,944 km (0.081 R)
• M26: 35,032,231 km (0.055 R)
• M27: 37,212,770 km (0.074 R)
• M28: 38,194,730 km (0.101 R)
• M29: 64,200,375 km (0.083 R)
• M30: 69,124,838 km (0.062 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 15,171 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit