🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.06 AU - 1.2 AU

Year: 439 Days

Day: 39 Hours

Environment

Temp: 15 °C

Axial Tilt: 4.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.24 AU - 3.72 AU

Year: 1879 Days

Day: 12.2 Hours

Environment

Temp: -96 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.47 AU - 4.09 AU

Year: 2170 Days

Day: 32.3 Hours

Environment

Temp: -107 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,542,040 km

• M1: 37,848 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.11 AU - 5.01 AU

Year: 2988 Days

Day: 22 Hours

Environment

Temp: -119 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.5

Radius: 11.9

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.22 AU - 6.66 AU

Year: 5288 Days

Day: 11.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,542,040 km

• M1: 172,337 km (0.1 R)
• M2: 562,338 km (0.092 R)
• M3: 1,418,637 km (0.062 R)
• M4: 2,273,140 km (0.087 R)
• M5: 2,672,566 km (0.074 R)
• M6: 3,732,616 km (0.109 R)
• M7: 4,605,670 km (0.072 R)
• M8: 5,201,967 km (0.075 R)
• M9: 7,336,130 km (0.113 R)
• M10: 8,150,990 km (0.08 R)
• M11: 13,967,355 km (0.09 R)
• M12: 15,115,668 km (0.1 R)
• M13: 15,686,683 km (0.059 R)
• M14: 17,149,302 km (0.055 R)
• M15: 18,938,492 km (0.048 R)
• M16: 19,480,485 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455

Radius: 4.2

Gravity: 25.79 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 15.16 AU - 22 AU

Year: 29252 Days

Day: 18.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 85,542,040 km

• M1: 52,210 km (0.109 R)
• M2: 335,099 km (0.077 R)
• M3: 542,591 km (0.087 R)
• M4: 1,537,567 km (0.087 R)
• M5: 1,849,628 km (0.115 R)
• M6: 3,780,787 km (0.091 R)
• M7: 4,633,046 km (0.087 R)
• M8: 6,661,294 km (0.037 R)
• M9: 9,745,104 km (0.045 R)
• M10: 10,048,639 km (0.114 R)
• M11: 13,513,774 km (0.1 R)
• M12: 14,198,184 km (0.108 R)
• M13: 14,905,333 km (0.106 R)
• M14: 15,884,302 km (0.077 R)
• M15: 19,456,849 km (0.032 R)
• M16: 23,747,316 km (0.095 R)
• M17: 23,966,028 km (0.048 R)
• M18: 25,649,453 km (0.091 R)
• M19: 25,879,684 km (0.113 R)
• M20: 34,414,691 km (0.1 R)
• M21: 37,137,522 km (0.057 R)
• M22: 63,839,844 km (0.051 R)
• M23: 66,839,431 km (0.112 R)
• M24: 68,373,856 km (0.11 R)
• M25: 75,452,080 km (0.117 R)
• M26: 77,835,473 km (0.104 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 19,799 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit