🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.44 AU - 0.66 AU

Year: 268 Days

Day: 13.4 Hours

Environment

Temp: -120 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 7,504,557 km

• M1: 328,966 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.5 AU - 0.76 AU

Year: 328 Days

Day: 16.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 7,504,557 km

• M1: 49,517 km (0.075 R)
• M2: 89,011 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355

Radius: 9.7

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.73 AU - 0.79 AU

Year: 435 Days

Day: 14.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 7,504,557 km

• M1: 120,576 km (0.103 R)
• M2: 442,660 km (0.11 R)
• M3: 913,744 km (0.096 R)
• M4: 1,231,639 km (0.116 R)
• M5: 1,598,603 km (0.06 R)
• M6: 1,940,135 km (0.115 R)
• M7: 2,531,495 km (0.093 R)
• M8: 3,196,458 km (0.094 R)
• M9: 3,985,886 km (0.062 R)
• M10: 4,473,425 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.1

Radius: 13.4

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.66 AU - 0.86 AU

Year: 435 Days

Day: 8.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 7,504,557 km

• M1: 166,652 km (0.092 R)
• M2: 669,750 km (0.051 R)
• M3: 1,257,968 km (0.037 R)
• M4: 2,107,834 km (0.07 R)
• M5: 2,753,349 km (0.071 R)
• M6: 3,174,766 km (0.104 R)
• M7: 3,651,983 km (0.104 R)
• M8: 4,218,660 km (0.106 R)
• M9: 5,596,756 km (0.076 R)
• M10: 6,028,495 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.9

Radius: 12.3

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.12 AU - 1.74 AU

Year: 1122 Days

Day: 9.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 7,504,557 km

• M1: 153,188 km (0.069 R)
• M2: 616,493 km (0.053 R)
• M3: 1,409,810 km (0.07 R)
• M4: 1,879,697 km (0.071 R)
• M5: 2,474,798 km (0.052 R)
• M6: 3,095,928 km (0.08 R)
• M7: 3,682,052 km (0.095 R)
• M8: 4,731,781 km (0.112 R)
• M9: 5,283,348 km (0.111 R)
• M10: 5,711,198 km (0.101 R)
• M11: 6,376,759 km (0.04 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 15,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit