🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.6 AU - 0.62 AU

Year: 171 Days

Day: 17.9 Hours

Environment

Temp: 241 °C

Axial Tilt: 2.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.72 AU - 1 AU

Year: 287 Days

Day: 15.4 Hours

Environment

Temp: 153 °C

Axial Tilt: 38.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 109,899,970 km

• M1: 40,092 km (0.113 R)
• M2: 299,046 km (0.065 R)

Asteroid Belt

Center: 1.2 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.48 AU - 1.6 AU

Year: 688 Days

Day: 32.6 Hours

Environment

Temp: -36 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 109,899,970 km

• M1: 49,966 km (0.069 R)
• M2: 273,615 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.8 AU - 4.04 AU

Year: 2276 Days

Day: 19.7 Hours

Environment

Temp: -115 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.08 AU - 3.78 AU

Year: 2286 Days

Day: 21.8 Hours

Environment

Temp: -113 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.4

Radius: 8.3

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 9.96 AU - 12.32 AU

Year: 13381 Days

Day: 13.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 109,899,970 km

• M1: 103,522 km (0.099 R)
• M2: 427,850 km (0.109 R)
• M3: 951,891 km (0.098 R)
• M4: 1,233,883 km (0.042 R)
• M5: 1,780,065 km (0.091 R)
• M6: 3,494,457 km (0.06 R)
• M7: 4,524,737 km (0.062 R)
• M8: 4,951,241 km (0.064 R)
• M9: 5,371,312 km (0.1 R)
• M10: 5,779,863 km (0.038 R)
• M11: 6,099,704 km (0.078 R)
• M12: 6,431,362 km (0.103 R)
• M13: 7,541,079 km (0.059 R)
• M14: 9,982,816 km (0.09 R)
• M15: 15,941,149 km (0.058 R)
• M16: 17,146,160 km (0.119 R)
• M17: 17,957,579 km (0.103 R)
• M18: 22,143,327 km (0.082 R)
• M19: 22,840,154 km (0.107 R)
• M20: 24,831,900 km (0.045 R)
• M21: 25,489,233 km (0.092 R)
• M22: 26,545,544 km (0.067 R)
• M23: 27,035,178 km (0.091 R)
• M24: 27,630,727 km (0.08 R)
• M25: 32,490,563 km (0.052 R)
• M26: 33,503,790 km (0.113 R)
• M27: 34,190,893 km (0.062 R)
• M28: 40,673,716 km (0.116 R)
• M29: 42,114,643 km (0.067 R)
• M30: 45,515,751 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.5

Radius: 12.5

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 9.73 AU - 12.97 AU

Year: 13761 Days

Day: 7.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 109,899,970 km

• M1: 158,723 km (0.117 R)
• M2: 762,500 km (0.071 R)
• M3: 1,774,979 km (0.067 R)
• M4: 2,631,127 km (0.088 R)
• M5: 3,204,835 km (0.111 R)
• M6: 5,960,578 km (0.109 R)
• M7: 6,782,468 km (0.091 R)
• M8: 7,493,208 km (0.06 R)
• M9: 11,177,205 km (0.109 R)
• M10: 11,666,240 km (0.11 R)
• M11: 17,635,794 km (0.108 R)
• M12: 19,889,486 km (0.108 R)
• M13: 24,386,547 km (0.098 R)
• M14: 24,796,296 km (0.119 R)
• M15: 26,567,834 km (0.061 R)
• M16: 32,982,441 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.6

Radius: 7.4

Gravity: 16.81 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 16.2 AU - 21.92 AU

Year: 29947 Days

Day: 15.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 109,899,970 km

• M1: 104,120 km (0.085 R)
• M2: 533,466 km (0.111 R)
• M3: 1,153,100 km (0.074 R)
• M4: 1,629,121 km (0.092 R)
• M5: 2,400,747 km (0.03 R)
• M6: 9,255,919 km (0.079 R)
• M7: 11,712,316 km (0.111 R)
• M8: 14,318,162 km (0.112 R)
• M9: 14,916,703 km (0.12 R)
• M10: 25,262,293 km (0.032 R)
• M11: 25,509,878 km (0.093 R)
• M12: 37,594,992 km (0.097 R)
• M13: 60,415,399 km (0.082 R)
• M14: 70,424,394 km (0.092 R)
• M15: 72,900,688 km (0.07 R)
• M16: 81,483,567 km (0.104 R)
• M17: 96,335,194 km (0.113 R)
• M18: 101,868,520 km (0.068 R)
• M19: 104,076,435 km (0.105 R)

Kuiper Belt

Range: 30.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 13,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit