🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.1 AU - 1.4 AU

Year: 619 Days

Day: 40.6 Hours

Environment

Temp: -95 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.25 AU - 1.33 AU

Year: 649 Days

Day: 14.7 Hours

Environment

Temp: -91 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.22 AU - 1.54 AU

Year: 718 Days

Day: 27.4 Hours

Environment

Temp: -85 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.08 AU - 1.76 AU

Year: 749 Days

Day: 22.6 Hours

Environment

Temp: -104 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,568,590 km

• M1: 1,049,728 km (0.103 R)

Asteroid Belt

Center: 2.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.4

Radius: 10.8

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.05 AU - 4.25 AU

Year: 3745 Days

Day: 13.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,568,590 km

• M1: 134,339 km (0.116 R)
• M2: 490,831 km (0.113 R)
• M3: 833,559 km (0.1 R)
• M4: 1,520,363 km (0.073 R)
• M5: 1,875,209 km (0.087 R)
• M6: 2,798,827 km (0.112 R)
• M7: 3,228,920 km (0.074 R)
• M8: 4,020,293 km (0.101 R)
• M9: 4,394,288 km (0.105 R)
• M10: 4,915,487 km (0.115 R)
• M11: 8,223,395 km (0.079 R)
• M12: 9,367,071 km (0.093 R)
• M13: 9,960,525 km (0.098 R)
• M14: 10,790,494 km (0.095 R)
• M15: 13,434,038 km (0.064 R)
• M16: 13,808,183 km (0.028 R)
• M17: 14,446,966 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.2

Radius: 8.3

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.19 AU - 6.83 AU

Year: 6526 Days

Day: 10.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,568,590 km

• M1: 108,907 km (0.049 R)
• M2: 613,650 km (0.116 R)
• M3: 1,087,726 km (0.073 R)
• M4: 1,561,951 km (0.068 R)
• M5: 2,561,714 km (0.038 R)
• M6: 2,863,154 km (0.09 R)
• M7: 5,655,996 km (0.088 R)
• M8: 6,170,164 km (0.098 R)
• M9: 6,576,023 km (0.06 R)
• M10: 9,091,661 km (0.058 R)
• M11: 12,880,825 km (0.112 R)
• M12: 15,487,120 km (0.089 R)
• M13: 19,410,773 km (0.094 R)
• M14: 21,948,850 km (0.116 R)
• M15: 26,686,465 km (0.109 R)
• M16: 29,245,636 km (0.078 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 12,925 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit