🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.77 AU - 0.81 AU

Year: 255 Days

Day: 43.4 Hours

Environment

Temp: 126 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.92 AU - 1.08 AU

Year: 363 Days

Day: 25.1 Hours

Environment

Temp: 45 °C

Axial Tilt: 17.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.25 AU - 4.73 AU

Year: 2897 Days

Day: 15.2 Hours

Environment

Temp: -122 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 103,475,591 km

• M1: 172,636 km (0.071 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.5

Radius: 7.4

Gravity: 15.57 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 15.11 AU - 21.13 AU

Year: 28033 Days

Day: 20.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 141.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 103,475,591 km

• M1: 92,152 km (0.09 R)
• M2: 430,842 km (0.077 R)
• M3: 911,350 km (0.118 R)
• M4: 1,338,153 km (0.026 R)
• M5: 2,589,838 km (0.109 R)
• M6: 2,997,792 km (0.086 R)
• M7: 5,321,795 km (0.106 R)
• M8: 7,571,747 km (0.094 R)
• M9: 9,300,500 km (0.119 R)
• M10: 10,724,821 km (0.117 R)
• M11: 10,998,735 km (0.091 R)
• M12: 11,489,116 km (0.116 R)
• M13: 11,848,151 km (0.09 R)
• M14: 12,438,315 km (0.088 R)
• M15: 12,893,691 km (0.045 R)
• M16: 14,658,946 km (0.05 R)
• M17: 16,488,677 km (0.104 R)
• M18: 19,663,443 km (0.077 R)
• M19: 19,970,867 km (0.066 R)
• M20: 21,773,820 km (0.083 R)
• M21: 24,264,475 km (0.085 R)
• M22: 29,938,723 km (0.112 R)
• M23: 37,213,368 km (0.056 R)
• M24: 39,932,459 km (0.084 R)
• M25: 40,756,743 km (0.054 R)
• M26: 45,226,727 km (0.113 R)
• M27: 47,029,382 km (0.062 R)
• M28: 50,585,772 km (0.081 R)
• M29: 51,356,650 km (0.082 R)
• M30: 52,331,130 km (0.058 R)
• M31: 64,327,832 km (0.116 R)
• M32: 65,459,989 km (0.118 R)
• M33: 73,760,277 km (0.052 R)
• M34: 77,267,599 km (0.083 R)
• M35: 80,884,726 km (0.092 R)
• M36: 88,454,229 km (0.1 R)
• M37: 92,697,273 km (0.09 R)
• M38: 96,187,691 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.7

Radius: 3.5

Gravity: 65.44 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 17.64 AU - 19.7 AU

Year: 29319 Days

Day: 17.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 103,475,591 km

• M1: 102,624 km (0.089 R)
• M2: 321,336 km (0.103 R)
• M3: 569,818 km (0.032 R)
• M4: 730,786 km (0.119 R)
• M5: 1,318,406 km (0.084 R)
• M6: 1,491,341 km (0.081 R)
• M7: 1,640,341 km (0.096 R)
• M8: 1,925,175 km (0.097 R)
• M9: 3,369,692 km (0.119 R)
• M10: 4,402,516 km (0.065 R)
• M11: 4,789,226 km (0.059 R)
• M12: 5,156,190 km (0.058 R)
• M13: 5,946,067 km (0.085 R)
• M14: 7,120,111 km (0.055 R)
• M15: 7,706,534 km (0.109 R)
• M16: 12,895,187 km (0.059 R)
• M17: 14,419,739 km (0.101 R)
• M18: 15,182,239 km (0.085 R)
• M19: 18,997,434 km (0.116 R)
• M20: 29,779,850 km (0.065 R)
• M21: 31,995,394 km (0.077 R)
• M22: 43,504,557 km (0.114 R)
• M23: 43,678,988 km (0.114 R)
• M24: 48,189,513 km (0.102 R)
• M25: 51,039,502 km (0.038 R)
• M26: 52,407,276 km (0.086 R)
• M27: 57,700,946 km (0.064 R)
• M28: 61,129,430 km (0.066 R)
• M29: 74,694,067 km (0.105 R)
• M30: 75,445,497 km (0.099 R)
• M31: 79,019,241 km (0.064 R)
• M32: 88,443,907 km (0.049 R)
• M33: 98,289,691 km (0.118 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 20,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit