🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.53 AU - 0.61 AU

Year: 278 Days

Day: 20.2 Hours

Environment

Temp: -126 °C

Axial Tilt: 65.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.52 AU - 0.64 AU

Year: 285 Days

Day: 39.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.8

Radius: 13

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.81 AU - 0.95 AU

Year: 533 Days

Day: 7.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,276,096 km

• M1: 163,062 km (0.085 R)
• M2: 576,550 km (0.083 R)
• M3: 1,288,187 km (0.114 R)
• M4: 2,629,781 km (0.068 R)
• M5: 3,432,523 km (0.103 R)
• M6: 4,063,228 km (0.079 R)
• M7: 4,695,877 km (0.115 R)
• M8: 5,106,374 km (0.101 R)
• M9: 5,557,561 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.3

Radius: 8.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.19 AU - 2.49 AU

Year: 2311 Days

Day: 10 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,276,096 km

• M1: 104,419 km (0.11 R)
• M2: 495,019 km (0.117 R)
• M3: 839,094 km (0.038 R)
• M4: 1,146,518 km (0.115 R)
• M5: 1,537,417 km (0.096 R)
• M6: 1,940,135 km (0.098 R)
• M7: 2,233,047 km (0.107 R)
• M8: 2,884,696 km (0.108 R)
• M9: 4,186,347 km (0.083 R)
• M10: 5,587,331 km (0.068 R)
• M11: 6,144,583 km (0.092 R)
• M12: 8,620,278 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.1

Radius: 9.5

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.78 AU - 3.94 AU

Year: 3977 Days

Day: 8.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 18,276,096 km

• M1: 119,080 km (0.063 R)
• M2: 415,732 km (0.07 R)
• M3: 972,386 km (0.089 R)
• M4: 1,473,090 km (0.112 R)
• M5: 2,429,021 km (0.081 R)
• M6: 2,836,824 km (0.102 R)
• M7: 5,291,127 km (0.077 R)
• M8: 7,446,384 km (0.117 R)
• M9: 7,963,843 km (0.072 R)
• M10: 8,735,020 km (0.108 R)
• M11: 9,732,389 km (0.108 R)
• M12: 10,996,191 km (0.092 R)
• M13: 11,992,962 km (0.076 R)
• M14: 12,534,506 km (0.101 R)
• M15: 13,891,808 km (0.114 R)
• M16: 14,303,651 km (0.108 R)
• M17: 14,818,118 km (0.056 R)
• M18: 15,686,384 km (0.034 R)
• M19: 16,690,485 km (0.112 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 11,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit