🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.52 AU - 0.58 AU

Year: 146 Days

Day: 25.9 Hours

Environment

Temp: 177 °C

Axial Tilt: 18.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.66 AU - 1.08 AU

Year: 291 Days

Day: 44.5 Hours

Environment

Temp: 137 °C

Axial Tilt: 17.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 40,297,056 km

• M1: 36,203 km (0.105 R)
• M2: 248,632 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.06 AU - 1.1 AU

Year: 402 Days

Day: 46.6 Hours

Environment

Temp: 28 °C

Axial Tilt: 1.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 40,297,056 km

• M1: 391,198 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.01 AU - 1.35 AU

Year: 459 Days

Day: 36.9 Hours

Environment

Temp: 11 °C

Axial Tilt: 129.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.5 AU - 1.72 AU

Year: 732 Days

Day: 26.4 Hours

Environment

Temp: -40 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.5

Radius: 11.2

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.62 AU - 6.12 AU

Year: 5094 Days

Day: 10.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,297,056 km

• M1: 140,323 km (0.061 R)
• M2: 1,141,282 km (0.118 R)
• M3: 1,917,845 km (0.082 R)
• M4: 2,582,358 km (0.08 R)
• M5: 4,160,766 km (0.097 R)
• M6: 4,830,814 km (0.094 R)
• M7: 5,647,170 km (0.112 R)
• M8: 7,866,006 km (0.111 R)
• M9: 8,652,442 km (0.075 R)
• M10: 9,134,745 km (0.082 R)
• M11: 9,966,360 km (0.12 R)
• M12: 11,531,752 km (0.109 R)
• M13: 17,694,885 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.8

Radius: 8.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.58 AU - 12.58 AU

Year: 11462 Days

Day: 11.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,297,056 km

• M1: 108,159 km (0.118 R)
• M2: 670,797 km (0.082 R)
• M3: 953,088 km (0.045 R)
• M4: 1,282,503 km (0.053 R)
• M5: 1,660,088 km (0.074 R)
• M6: 2,127,431 km (0.068 R)
• M7: 2,492,151 km (0.114 R)
• M8: 5,012,127 km (0.089 R)
• M9: 5,345,730 km (0.057 R)
• M10: 5,857,505 km (0.118 R)
• M11: 8,573,753 km (0.088 R)
• M12: 9,967,108 km (0.032 R)
• M13: 13,025,636 km (0.1 R)
• M14: 16,726,089 km (0.057 R)
• M15: 18,030,134 km (0.034 R)
• M16: 20,301,478 km (0.108 R)
• M17: 22,674,848 km (0.109 R)
• M18: 24,963,845 km (0.091 R)
• M19: 26,209,397 km (0.078 R)
• M20: 26,572,621 km (0.091 R)
• M21: 27,216,640 km (0.073 R)
• M22: 27,495,789 km (0.058 R)
• M23: 29,896,835 km (0.067 R)
• M24: 33,382,017 km (0.11 R)
• M25: 34,131,652 km (0.045 R)

Kuiper Belt

Range: 30.6 - 54.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 12,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit