🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.55 AU - 0.63 AU

Year: 297 Days

Day: 19.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.9

Radius: 14.5

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.84 AU - 1.22 AU

Year: 686 Days

Day: 12.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,689,153 km

• M1: 180,265 km (0.115 R)
• M2: 666,907 km (0.102 R)
• M3: 1,233,434 km (0.056 R)
• M4: 1,938,639 km (0.071 R)
• M5: 2,659,401 km (0.103 R)
• M6: 4,626,613 km (0.117 R)
• M7: 5,314,016 km (0.108 R)
• M8: 6,105,687 km (0.071 R)

Planet 3 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.5

Radius: 6.1

Gravity: 13.32 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.83 AU - 9.37 AU

Year: 18008 Days

Day: 15.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,689,153 km

• M1: 75,846 km (0.066 R)
• M2: 356,492 km (0.067 R)
• M3: 607,966 km (0.106 R)
• M4: 911,949 km (0.057 R)
• M5: 1,105,977 km (0.065 R)
• M6: 3,194,663 km (0.07 R)
• M7: 4,301,687 km (0.085 R)
• M8: 5,834,018 km (0.027 R)
• M9: 9,333,561 km (0.066 R)
• M10: 12,296,047 km (0.074 R)
• M11: 12,746,187 km (0.028 R)
• M12: 14,872,871 km (0.063 R)
• M13: 15,163,390 km (0.074 R)
• M14: 17,384,918 km (0.104 R)
• M15: 21,801,795 km (0.06 R)
• M16: 23,819,422 km (0.043 R)
• M17: 26,273,724 km (0.035 R)
• M18: 29,801,691 km (0.111 R)
• M19: 32,038,927 km (0.075 R)
• M20: 36,449,072 km (0.084 R)
• M21: 38,320,841 km (0.029 R)
• M22: 45,376,325 km (0.09 R)
• M23: 49,127,791 km (0.041 R)
• M24: 49,610,843 km (0.03 R)
• M25: 50,096,886 km (0.102 R)
• M26: 52,407,724 km (0.084 R)
• M27: 57,063,210 km (0.084 R)
• M28: 59,036,406 km (0.058 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 11,353 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit