🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.93 AU - 0.93 AU

Year: 343 Days

Day: 31.9 Hours

Environment

Temp: 26 °C

Axial Tilt: 114 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.87 AU - 2.89 AU

Year: 1871 Days

Day: 17.6 Hours

Environment

Temp: -112 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.5

Radius: 8.2

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.58 AU - 5.2 AU

Year: 4140 Days

Day: 7.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,054,477 km

• M1: 110,403 km (0.064 R)
• M2: 545,434 km (0.069 R)
• M3: 896,989 km (0.108 R)
• M4: 1,164,320 km (0.096 R)
• M5: 1,598,752 km (0.069 R)
• M6: 1,986,510 km (0.107 R)
• M7: 2,310,689 km (0.115 R)
• M8: 2,839,966 km (0.106 R)
• M9: 3,236,101 km (0.119 R)
• M10: 3,918,716 km (0.111 R)
• M11: 4,561,688 km (0.112 R)
• M12: 5,248,940 km (0.09 R)
• M13: 7,119,512 km (0.108 R)
• M14: 8,467,389 km (0.067 R)
• M15: 10,314,923 km (0.108 R)
• M16: 12,330,604 km (0.055 R)
• M17: 13,161,172 km (0.072 R)
• M18: 14,310,084 km (0.098 R)
• M19: 15,177,751 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.8

Radius: 10

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.23 AU - 8.37 AU

Year: 7552 Days

Day: 6.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,054,477 km

• M1: 132,245 km (0.105 R)
• M2: 625,618 km (0.076 R)
• M3: 1,414,149 km (0.116 R)
• M4: 2,212,403 km (0.083 R)
• M5: 3,120,163 km (0.046 R)
• M6: 3,480,095 km (0.065 R)
• M7: 4,309,765 km (0.038 R)
• M8: 4,923,416 km (0.094 R)
• M9: 5,533,476 km (0.102 R)
• M10: 7,897,870 km (0.119 R)
• M11: 9,895,301 km (0.075 R)
• M12: 11,699,301 km (0.108 R)
• M13: 12,208,383 km (0.117 R)
• M14: 14,107,378 km (0.102 R)
• M15: 14,684,377 km (0.069 R)
• M16: 15,216,946 km (0.078 R)
• M17: 16,700,508 km (0.112 R)
• M18: 17,150,797 km (0.084 R)
• M19: 17,741,709 km (0.113 R)
• M20: 18,414,002 km (0.109 R)
• M21: 19,666,884 km (0.064 R)
• M22: 23,125,886 km (0.086 R)
• M23: 23,685,681 km (0.101 R)
• M24: 29,044,277 km (0.101 R)
• M25: 29,602,127 km (0.075 R)
• M26: 33,101,072 km (0.046 R)
• M27: 34,949,803 km (0.117 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 11,895 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit