🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.64 AU - 0.66 AU

Year: 333 Days

Day: 21.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,439,823 km

• M1: 253,718 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.6

Radius: 8.9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.01 AU - 1.05 AU

Year: 665 Days

Day: 14.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,439,823 km

• M1: 110,702 km (0.097 R)
• M2: 525,687 km (0.085 R)
• M3: 878,439 km (0.12 R)
• M4: 1,965,716 km (0.108 R)
• M5: 2,334,624 km (0.088 R)
• M6: 3,463,789 km (0.067 R)
• M7: 4,698,121 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.4

Radius: 11.3

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.93 AU - 1.13 AU

Year: 665 Days

Day: 9 Hours

Environment

Temp: -167 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,439,823 km

• M1: 140,622 km (0.046 R)
• M2: 498,909 km (0.041 R)
• M3: 1,114,205 km (0.058 R)
• M4: 1,466,209 km (0.039 R)
• M5: 1,847,534 km (0.108 R)
• M6: 2,278,076 km (0.108 R)
• M7: 2,684,384 km (0.074 R)
• M8: 3,391,384 km (0.084 R)
• M9: 3,859,924 km (0.12 R)
• M10: 4,232,423 km (0.088 R)
• M11: 5,286,789 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.6

Radius: 14

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.26 AU - 6.24 AU

Year: 8767 Days

Day: 11.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,439,823 km

• M1: 174,132 km (0.097 R)
• M2: 703,110 km (0.088 R)
• M3: 1,276,070 km (0.104 R)
• M4: 1,772,735 km (0.112 R)
• M5: 2,367,087 km (0.111 R)
• M6: 2,955,904 km (0.059 R)
• M7: 3,509,416 km (0.087 R)
• M8: 4,107,509 km (0.103 R)
• M9: 4,827,224 km (0.076 R)
• M10: 6,159,543 km (0.117 R)
• M11: 10,948,320 km (0.115 R)
• M12: 11,479,692 km (0.097 R)
• M13: 12,542,136 km (0.119 R)
• M14: 13,504,050 km (0.025 R)
• M15: 16,186,041 km (0.117 R)
• M16: 18,998,032 km (0.092 R)
• M17: 22,660,487 km (0.033 R)
• M18: 25,237,161 km (0.088 R)
• M19: 31,641,296 km (0.055 R)
• M20: 33,422,109 km (0.075 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 19,575 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit