🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.83 AU - 0.97 AU

Year: 317 Days

Day: 19.8 Hours

Environment

Temp: 40 °C

Axial Tilt: 39.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 115,634,114 km

• M1: 42,486 km (0.091 R)
• M2: 80,484 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.11 AU - 1.43 AU

Year: 531 Days

Day: 33.2 Hours

Environment

Temp: -9 °C

Axial Tilt: 47.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.18 AU - 2.64 AU

Year: 1387 Days

Day: 29.5 Hours

Environment

Temp: -95 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 19.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.4

Radius: 3.6

Gravity: 72.1 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 15.26 AU - 23.86 AU

Year: 32082 Days

Day: 21.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 115,634,114 km

• M1: 44,730 km (0.105 R)
• M2: 281,543 km (0.112 R)
• M3: 592,856 km (0.077 R)
• M4: 741,557 km (0.109 R)
• M5: 1,070,074 km (0.039 R)
• M6: 1,414,747 km (0.087 R)
• M7: 1,872,666 km (0.075 R)
• M8: 2,099,905 km (0.097 R)
• M9: 2,220,332 km (0.077 R)
• M10: 2,422,588 km (0.094 R)
• M11: 3,292,200 km (0.109 R)
• M12: 3,623,260 km (0.099 R)
• M13: 3,903,906 km (0.091 R)
• M14: 4,313,056 km (0.063 R)
• M15: 4,508,132 km (0.081 R)
• M16: 6,437,645 km (0.061 R)
• M17: 9,043,939 km (0.035 R)
• M18: 10,162,183 km (0.025 R)
• M19: 10,577,916 km (0.115 R)
• M20: 12,432,630 km (0.081 R)
• M21: 13,069,169 km (0.115 R)
• M22: 14,842,951 km (0.119 R)
• M23: 15,019,925 km (0.09 R)
• M24: 16,962,753 km (0.096 R)
• M25: 17,645,966 km (0.106 R)
• M26: 20,453,021 km (0.095 R)
• M27: 26,410,606 km (0.114 R)
• M28: 38,182,313 km (0.086 R)
• M29: 40,203,829 km (0.113 R)
• M30: 46,505,640 km (0.119 R)
• M31: 47,074,560 km (0.112 R)
• M32: 57,468,770 km (0.097 R)
• M33: 66,137,219 km (0.094 R)
• M34: 72,037,957 km (0.078 R)
• M35: 76,160,725 km (0.072 R)
• M36: 96,973,529 km (0.08 R)
• M37: 100,090,101 km (0.071 R)
• M38: 102,630,722 km (0.089 R)
• M39: 104,240,395 km (0.073 R)
• M40: 111,522,669 km (0.09 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 13,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit