🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.86 AU - 0.88 AU

Year: 289 Days

Day: 37.8 Hours

Environment

Temp: 114 °C

Axial Tilt: 46.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.09 AU - 1.21 AU

Year: 440 Days

Day: 32 Hours

Environment

Temp: 32 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 57,547,141 km

• M1: 36,053 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 12.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.7

Radius: 10.7

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 9.52 AU - 15.22 AU

Year: 15508 Days

Day: 10.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,547,141 km

• M1: 137,032 km (0.031 R)
• M2: 553,811 km (0.101 R)
• M3: 1,011,282 km (0.072 R)
• M4: 2,182,035 km (0.106 R)
• M5: 2,616,018 km (0.072 R)
• M6: 3,298,932 km (0.105 R)
• M7: 3,730,223 km (0.108 R)
• M8: 4,514,714 km (0.063 R)
• M9: 5,018,859 km (0.073 R)
• M10: 9,087,173 km (0.103 R)
• M11: 10,503,416 km (0.119 R)
• M12: 14,830,385 km (0.097 R)
• M13: 16,786,227 km (0.109 R)
• M14: 18,695,545 km (0.1 R)
• M15: 19,775,941 km (0.106 R)
• M16: 20,973,621 km (0.062 R)
• M17: 24,011,206 km (0.104 R)
• M18: 24,516,249 km (0.083 R)
• M19: 29,673,785 km (0.048 R)
• M20: 35,186,766 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.4

Radius: 4.3

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 18.37 AU - 18.71 AU

Year: 28455 Days

Day: 21.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,547,141 km

• M1: 57,745 km (0.083 R)
• M2: 191,784 km (0.114 R)
• M3: 649,105 km (0.103 R)
• M4: 1,147,864 km (0.112 R)
• M5: 1,590,375 km (0.113 R)
• M6: 2,273,588 km (0.054 R)
• M7: 2,455,649 km (0.101 R)
• M8: 4,133,090 km (0.096 R)
• M9: 4,688,696 km (0.086 R)
• M10: 6,332,627 km (0.07 R)
• M11: 8,372,993 km (0.087 R)
• M12: 8,808,173 km (0.108 R)
• M13: 9,056,505 km (0.059 R)
• M14: 9,618,993 km (0.097 R)
• M15: 9,776,370 km (0.032 R)
• M16: 15,625,049 km (0.099 R)
• M17: 16,884,962 km (0.048 R)
• M18: 17,814,114 km (0.101 R)
• M19: 19,521,325 km (0.088 R)
• M20: 21,068,915 km (0.099 R)
• M21: 21,963,062 km (0.102 R)
• M22: 24,895,479 km (0.12 R)
• M23: 25,491,627 km (0.114 R)
• M24: 25,995,622 km (0.097 R)
• M25: 33,645,758 km (0.113 R)
• M26: 37,913,187 km (0.11 R)
• M27: 39,367,577 km (0.112 R)
• M28: 39,501,617 km (0.113 R)
• M29: 40,312,138 km (0.1 R)
• M30: 40,584,706 km (0.072 R)
• M31: 40,995,950 km (0.114 R)
• M32: 42,810,273 km (0.055 R)
• M33: 43,952,902 km (0.091 R)
• M34: 46,597,942 km (0.056 R)
• M35: 53,670,630 km (0.104 R)
• M36: 56,689,066 km (0.118 R)

Kuiper Belt

Range: 30.8 - 57.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 14,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit