🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.62 AU - 0.76 AU

Year: 208 Days

Day: 37.2 Hours

Environment

Temp: 168 °C

Axial Tilt: 15 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.66 AU - 0.78 AU

Year: 222 Days

Day: 13.4 Hours

Environment

Temp: 158 °C

Axial Tilt: 44.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 5.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.2

Radius: 8.7

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 8.69 AU - 13.57 AU

Year: 13495 Days

Day: 12.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,203,857 km

• M1: 108,309 km (0.108 R)
• M2: 541,843 km (0.109 R)
• M3: 989,590 km (0.09 R)
• M4: 2,287,501 km (0.085 R)
• M5: 5,332,117 km (0.089 R)
• M6: 7,551,701 km (0.082 R)
• M7: 8,284,880 km (0.084 R)
• M8: 13,449,597 km (0.044 R)
• M9: 15,155,162 km (0.092 R)
• M10: 18,990,253 km (0.119 R)
• M11: 20,256,150 km (0.095 R)
• M12: 25,380,326 km (0.079 R)
• M13: 29,719,113 km (0.046 R)
• M14: 30,619,692 km (0.084 R)
• M15: 34,404,967 km (0.106 R)
• M16: 47,306,437 km (0.12 R)
• M17: 52,505,412 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.6

Radius: 3.5

Gravity: 33.36 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 13.33 AU - 17.03 AU

Year: 21495 Days

Day: 20.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 67,203,857 km

• M1: 43,982 km (0.094 R)
• M2: 265,686 km (0.113 R)
• M3: 403,465 km (0.083 R)
• M4: 526,285 km (0.098 R)
• M5: 711,039 km (0.031 R)
• M6: 829,071 km (0.082 R)
• M7: 1,533,677 km (0.078 R)
• M8: 1,681,480 km (0.111 R)
• M9: 2,083,300 km (0.106 R)
• M10: 4,245,737 km (0.075 R)
• M11: 4,983,853 km (0.101 R)
• M12: 6,839,764 km (0.104 R)
• M13: 6,971,859 km (0.105 R)
• M14: 8,590,658 km (0.118 R)
• M15: 10,915,409 km (0.058 R)
• M16: 18,402,483 km (0.085 R)
• M17: 19,616,320 km (0.116 R)
• M18: 20,242,836 km (0.109 R)
• M19: 21,535,810 km (0.06 R)
• M20: 22,589,428 km (0.078 R)
• M21: 22,784,653 km (0.113 R)
• M22: 24,695,467 km (0.097 R)
• M23: 29,758,607 km (0.117 R)
• M24: 32,160,401 km (0.051 R)
• M25: 37,073,644 km (0.062 R)
• M26: 39,424,724 km (0.094 R)
• M27: 40,997,895 km (0.097 R)
• M28: 44,881,605 km (0.098 R)
• M29: 45,811,356 km (0.086 R)
• M30: 45,967,686 km (0.105 R)
• M31: 50,988,041 km (0.098 R)
• M32: 51,155,740 km (0.052 R)
• M33: 51,661,231 km (0.09 R)
• M34: 54,064,371 km (0.086 R)
• M35: 57,443,488 km (0.091 R)
• M36: 57,625,100 km (0.104 R)
• M37: 62,483,440 km (0.114 R)
• M38: 63,448,047 km (0.108 R)
• M39: 65,803,316 km (0.106 R)

Kuiper Belt

Range: 30.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 17,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit