🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.96 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.72 AU - 2.12 AU

Year: 948 Days

Day: 24.3 Hours

Environment

Temp: -55 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.01 AU - 4.71 AU

Year: 3245 Days

Day: 33.1 Hours

Environment

Temp: -122 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.1

Radius: 9.3

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.65 AU - 11.91 AU

Year: 12616 Days

Day: 5.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,662,954 km

• M1: 115,639 km (0.11 R)
• M2: 677,828 km (0.105 R)
• M3: 1,362,687 km (0.107 R)
• M4: 3,354,583 km (0.118 R)
• M5: 3,852,594 km (0.075 R)
• M6: 4,339,535 km (0.111 R)
• M7: 4,997,167 km (0.056 R)
• M8: 5,719,575 km (0.112 R)
• M9: 6,315,573 km (0.09 R)
• M10: 6,829,741 km (0.079 R)
• M11: 10,092,471 km (0.075 R)
• M12: 10,413,209 km (0.059 R)
• M13: 12,977,017 km (0.106 R)
• M14: 13,678,332 km (0.098 R)
• M15: 14,005,353 km (0.108 R)
• M16: 17,493,077 km (0.106 R)
• M17: 18,907,675 km (0.094 R)
• M18: 26,126,520 km (0.045 R)
• M19: 28,818,833 km (0.07 R)
• M20: 35,235,534 km (0.082 R)
• M21: 38,905,021 km (0.049 R)
• M22: 40,227,316 km (0.062 R)
• M23: 40,629,734 km (0.099 R)
• M24: 48,492,748 km (0.086 R)
• M25: 49,869,049 km (0.077 R)
• M26: 50,644,714 km (0.091 R)
• M27: 54,809,069 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.6

Radius: 5

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 16.56 AU - 18.78 AU

Year: 26476 Days

Day: 19.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,662,954 km

• M1: 62,532 km (0.063 R)
• M2: 302,786 km (0.053 R)
• M3: 669,301 km (0.032 R)
• M4: 1,052,122 km (0.094 R)
• M5: 1,584,092 km (0.112 R)
• M6: 1,802,056 km (0.108 R)
• M7: 3,110,888 km (0.09 R)
• M8: 3,530,659 km (0.101 R)
• M9: 4,391,894 km (0.119 R)
• M10: 4,760,204 km (0.096 R)
• M11: 5,915,848 km (0.078 R)
• M12: 6,519,625 km (0.074 R)
• M13: 6,957,947 km (0.091 R)
• M14: 9,854,909 km (0.05 R)
• M15: 10,166,821 km (0.115 R)
• M16: 11,826,310 km (0.081 R)
• M17: 14,979,384 km (0.101 R)
• M18: 15,184,633 km (0.111 R)
• M19: 17,720,317 km (0.045 R)
• M20: 20,190,177 km (0.115 R)
• M21: 27,809,795 km (0.114 R)
• M22: 32,365,649 km (0.112 R)
• M23: 36,399,107 km (0.115 R)
• M24: 40,622,404 km (0.051 R)
• M25: 43,058,007 km (0.113 R)
• M26: 43,612,267 km (0.096 R)
• M27: 44,452,409 km (0.109 R)
• M28: 45,589,353 km (0.108 R)
• M29: 49,721,246 km (0.098 R)
• M30: 50,638,131 km (0.096 R)

Kuiper Belt

Range: 30.8 - 49.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 15,230 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit