🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.3

Radius: 12

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.51 AU - 0.53 AU

Year: 259 Days

Day: 6.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,707,964 km

• M1: 149,299 km (0.098 R)
• M2: 766,390 km (0.06 R)
• M3: 1,146,668 km (0.036 R)
• M4: 2,012,241 km (0.075 R)
• M5: 3,537,541 km (0.057 R)
• M6: 3,932,479 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.4

Radius: 14.4

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.65 AU - 2.45 AU

Year: 2026 Days

Day: 8.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,707,964 km

• M1: 179,069 km (0.03 R)
• M2: 673,938 km (0.108 R)
• M3: 1,922,632 km (0.071 R)
• M4: 2,550,344 km (0.096 R)
• M5: 3,240,589 km (0.036 R)
• M6: 4,418,373 km (0.119 R)
• M7: 5,523,602 km (0.075 R)
• M8: 6,927,279 km (0.051 R)
• M9: 7,925,097 km (0.078 R)
• M10: 8,472,924 km (0.089 R)
• M11: 9,402,376 km (0.103 R)
• M12: 12,023,630 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.1

Radius: 14.8

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.34 AU - 3.76 AU

Year: 3677 Days

Day: 11.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,707,964 km

• M1: 184,005 km (0.103 R)
• M2: 685,906 km (0.097 R)
• M3: 1,352,215 km (0.07 R)
• M4: 1,900,940 km (0.102 R)
• M5: 2,497,536 km (0.113 R)
• M6: 3,270,359 km (0.051 R)
• M7: 4,116,485 km (0.113 R)
• M8: 5,667,964 km (0.107 R)
• M9: 6,354,918 km (0.099 R)
• M10: 7,613,036 km (0.097 R)
• M11: 8,384,213 km (0.086 R)
• M12: 9,171,845 km (0.112 R)
• M13: 10,425,924 km (0.095 R)
• M14: 11,749,866 km (0.093 R)
• M15: 12,387,452 km (0.087 R)
• M16: 13,410,103 km (0.118 R)
• M17: 14,296,769 km (0.059 R)
• M18: 15,321,814 km (0.099 R)
• M19: 17,959,673 km (0.093 R)
• M20: 19,503,822 km (0.076 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.3

Radius: 6.7

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 8.07 AU - 10.29 AU

Year: 19199 Days

Day: 23.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,707,964 km

• M1: 83,326 km (0.087 R)
• M2: 713,731 km (0.082 R)
• M3: 962,214 km (0.111 R)
• M4: 1,403,228 km (0.098 R)
• M5: 2,408,675 km (0.092 R)
• M6: 2,908,482 km (0.113 R)
• M7: 3,371,786 km (0.08 R)
• M8: 3,661,707 km (0.104 R)
• M9: 3,939,810 km (0.106 R)
• M10: 4,633,046 km (0.088 R)
• M11: 7,954,268 km (0.098 R)
• M12: 10,587,341 km (0.1 R)
• M13: 14,423,628 km (0.082 R)
• M14: 15,118,510 km (0.067 R)
• M15: 15,762,828 km (0.119 R)
• M16: 16,128,595 km (0.08 R)
• M17: 17,726,899 km (0.108 R)
• M18: 31,623,793 km (0.057 R)
• M19: 34,851,218 km (0.073 R)
• M20: 38,687,356 km (0.091 R)
• M21: 42,513,172 km (0.062 R)
• M22: 44,662,893 km (0.066 R)
• M23: 51,385,223 km (0.106 R)
• M24: 54,651,842 km (0.093 R)
• M25: 56,847,939 km (0.101 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 16,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit