🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.49 AU - 0.65 AU

Year: 157 Days

Day: 18 Hours

Environment

Temp: 165 °C

Axial Tilt: 49.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.54 AU - 1.88 AU

Year: 817 Days

Day: 38.4 Hours

Environment

Temp: -53 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.75 AU - 3.55 AU

Year: 2042 Days

Day: 20.2 Hours

Environment

Temp: -102 °C

Axial Tilt: 41.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,685,236 km

• M1: 62,083 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.17 AU - 4.34 AU

Year: 2652 Days

Day: 32.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 11.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.7

Radius: 10.8

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 8.77 AU - 13.89 AU

Year: 13929 Days

Day: 8.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,685,236 km

• M1: 135,536 km (0.08 R)
• M2: 1,369,120 km (0.082 R)
• M3: 2,067,742 km (0.08 R)
• M4: 2,701,588 km (0.112 R)
• M5: 4,384,714 km (0.056 R)
• M6: 6,530,845 km (0.097 R)
• M7: 7,249,363 km (0.115 R)
• M8: 11,764,676 km (0.047 R)
• M9: 15,535,589 km (0.082 R)
• M10: 15,998,894 km (0.078 R)
• M11: 16,471,324 km (0.085 R)
• M12: 24,280,034 km (0.065 R)
• M13: 35,033,877 km (0.096 R)
• M14: 41,123,707 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.2

Radius: 6.6

Gravity: 13.3 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 11.99 AU - 19.95 AU

Year: 23310 Days

Day: 24.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,685,236 km

• M1: 96,790 km (0.069 R)
• M2: 345,421 km (0.095 R)
• M3: 895,493 km (0.06 R)
• M4: 1,648,868 km (0.118 R)
• M5: 2,274,636 km (0.095 R)
• M6: 4,114,241 km (0.032 R)
• M7: 7,679,756 km (0.108 R)
• M8: 8,452,728 km (0.035 R)
• M9: 9,854,461 km (0.119 R)
• M10: 10,333,922 km (0.108 R)
• M11: 12,271,813 km (0.099 R)
• M12: 13,110,458 km (0.105 R)
• M13: 13,470,989 km (0.095 R)
• M14: 19,423,339 km (0.117 R)
• M15: 23,703,633 km (0.069 R)
• M16: 28,213,261 km (0.09 R)
• M17: 33,396,677 km (0.119 R)
• M18: 34,750,837 km (0.098 R)
• M19: 37,857,985 km (0.037 R)
• M20: 39,778,373 km (0.117 R)
• M21: 41,607,805 km (0.096 R)
• M22: 53,776,545 km (0.1 R)
• M23: 55,822,296 km (0.105 R)
• M24: 57,151,024 km (0.119 R)
• M25: 60,465,066 km (0.103 R)
• M26: 64,525,451 km (0.082 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 16,509 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit