🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.48 AU - 0.56 AU

Year: 138 Days

Day: 47.1 Hours

Environment

Temp: 177 °C

Axial Tilt: 31.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.85 AU - 4.43 AU

Year: 3092 Days

Day: 30.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 43 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.5

Radius: 13.4

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.76 AU - 9.74 AU

Year: 9501 Days

Day: 7.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,496,115 km

• M1: 166,652 km (0.03 R)
• M2: 711,936 km (0.117 R)
• M3: 1,459,327 km (0.119 R)
• M4: 2,393,267 km (0.029 R)
• M5: 3,942,652 km (0.086 R)
• M6: 4,446,049 km (0.117 R)
• M7: 5,518,815 km (0.084 R)
• M8: 5,946,366 km (0.103 R)
• M9: 7,018,683 km (0.11 R)
• M10: 7,721,644 km (0.08 R)
• M11: 12,458,810 km (0.1 R)
• M12: 14,087,931 km (0.12 R)
• M13: 14,516,529 km (0.102 R)
• M14: 17,204,952 km (0.061 R)
• M15: 18,924,131 km (0.085 R)
• M16: 20,055,390 km (0.114 R)
• M17: 21,071,758 km (0.106 R)
• M18: 23,122,595 km (0.111 R)
• M19: 26,304,990 km (0.116 R)
• M20: 32,240,136 km (0.045 R)
• M21: 38,891,856 km (0.099 R)
• M22: 41,841,028 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.4

Radius: 9.5

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 10.33 AU - 12.07 AU

Year: 13759 Days

Day: 14.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,496,115 km

• M1: 118,182 km (0.101 R)
• M2: 447,298 km (0.092 R)
• M3: 973,882 km (0.068 R)
• M4: 1,530,536 km (0.103 R)
• M5: 1,899,444 km (0.116 R)
• M6: 3,302,074 km (0.042 R)
• M7: 3,755,056 km (0.105 R)
• M8: 4,952,138 km (0.104 R)
• M9: 8,174,476 km (0.075 R)
• M10: 8,510,174 km (0.059 R)
• M11: 8,955,228 km (0.102 R)
• M12: 11,124,098 km (0.108 R)
• M13: 12,581,630 km (0.117 R)
• M14: 13,688,504 km (0.12 R)
• M15: 19,019,275 km (0.1 R)
• M16: 19,695,308 km (0.102 R)
• M17: 20,474,862 km (0.112 R)
• M18: 22,936,944 km (0.092 R)
• M19: 24,684,097 km (0.036 R)
• M20: 25,897,037 km (0.068 R)
• M21: 36,936,612 km (0.12 R)
• M22: 37,988,584 km (0.097 R)
• M23: 39,740,226 km (0.074 R)
• M24: 42,682,816 km (0.081 R)
• M25: 47,287,289 km (0.052 R)
• M26: 47,749,696 km (0.119 R)
• M27: 58,525,529 km (0.089 R)
• M28: 59,058,547 km (0.085 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 10,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit