🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.58 AU - 0.64 AU

Year: 179 Days

Day: 14.9 Hours

Environment

Temp: 119 °C

Axial Tilt: 13.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.63 AU - 2.91 AU

Year: 1728 Days

Day: 17.1 Hours

Environment

Temp: -109 °C

Axial Tilt: 48.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.2

Radius: 14.1

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.02 AU - 5.1 AU

Year: 4265 Days

Day: 8.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,057,888 km

• M1: 175,329 km (0.117 R)
• M2: 825,780 km (0.119 R)
• M3: 1,672,055 km (0.109 R)
• M4: 2,428,273 km (0.079 R)
• M5: 3,168,782 km (0.105 R)
• M6: 3,631,788 km (0.097 R)
• M7: 4,247,682 km (0.066 R)
• M8: 5,404,073 km (0.113 R)
• M9: 6,238,082 km (0.086 R)
• M10: 6,911,122 km (0.071 R)
• M11: 7,795,545 km (0.04 R)
• M12: 9,561,249 km (0.1 R)
• M13: 13,154,440 km (0.033 R)
• M14: 15,749,813 km (0.083 R)
• M15: 16,667,896 km (0.078 R)
• M16: 20,383,907 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.5

Radius: 5.1

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 13.19 AU - 21.75 AU

Year: 27363 Days

Day: 17.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,057,888 km

• M1: 70,311 km (0.117 R)
• M2: 254,616 km (0.083 R)
• M3: 601,234 km (0.091 R)
• M4: 839,992 km (0.081 R)
• M5: 1,127,220 km (0.088 R)
• M6: 1,526,197 km (0.07 R)
• M7: 1,897,799 km (0.108 R)
• M8: 2,438,744 km (0.102 R)
• M9: 4,782,644 km (0.101 R)
• M10: 7,174,714 km (0.091 R)
• M11: 8,311,209 km (0.096 R)
• M12: 11,897,369 km (0.096 R)
• M13: 12,569,512 km (0.08 R)
• M14: 14,285,699 km (0.088 R)
• M15: 16,314,695 km (0.058 R)
• M16: 16,808,667 km (0.077 R)
• M17: 17,740,363 km (0.059 R)
• M18: 20,266,323 km (0.098 R)
• M19: 20,455,414 km (0.098 R)
• M20: 21,418,675 km (0.117 R)
• M21: 22,311,176 km (0.09 R)
• M22: 23,958,548 km (0.108 R)
• M23: 26,241,411 km (0.108 R)
• M24: 27,033,532 km (0.115 R)
• M25: 28,075,182 km (0.102 R)
• M26: 31,995,544 km (0.101 R)
• M27: 33,291,660 km (0.088 R)
• M28: 39,265,103 km (0.076 R)
• M29: 43,673,303 km (0.037 R)
• M30: 50,973,829 km (0.072 R)
• M31: 52,383,041 km (0.114 R)
• M32: 53,817,984 km (0.114 R)
• M33: 58,662,411 km (0.104 R)
• M34: 58,854,345 km (0.099 R)
• M35: 60,014,627 km (0.078 R)
• M36: 63,992,434 km (0.107 R)
• M37: 64,399,639 km (0.096 R)
• M38: 70,716,559 km (0.084 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: 335 - 14,423 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit