🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.1

Radius: 13

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.55 AU - 0.89 AU

Year: 394 Days

Day: 6.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,541,906 km

• M1: 161,715 km (0.047 R)
• M2: 643,720 km (0.089 R)
• M3: 1,094,757 km (0.054 R)
• M4: 1,614,610 km (0.11 R)
• M5: 2,101,102 km (0.109 R)
• M6: 2,762,474 km (0.057 R)
• M7: 3,266,769 km (0.111 R)
• M8: 3,771,961 km (0.115 R)
• M9: 4,449,639 km (0.094 R)
• M10: 4,854,002 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389

Radius: 13.2

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.52 AU - 1.54 AU

Year: 1222 Days

Day: 7.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,541,906 km

• M1: 164,109 km (0.047 R)
• M2: 594,053 km (0.051 R)
• M3: 1,022,501 km (0.112 R)
• M4: 1,476,830 km (0.039 R)
• M5: 2,000,722 km (0.091 R)
• M6: 2,421,391 km (0.052 R)
• M7: 3,348,748 km (0.113 R)
• M8: 3,948,935 km (0.076 R)
• M9: 4,517,407 km (0.111 R)
• M10: 5,177,433 km (0.115 R)
• M11: 9,602,388 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.9

Radius: 10.1

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.06 AU - 2.48 AU

Year: 2208 Days

Day: 11 Hours

Environment

Temp: -194 °C

Axial Tilt: 91.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,541,906 km

• M1: 125,662 km (0.054 R)
• M2: 544,237 km (0.117 R)
• M3: 1,105,229 km (0.062 R)
• M4: 1,456,634 km (0.092 R)
• M5: 1,838,408 km (0.117 R)
• M6: 2,196,695 km (0.052 R)
• M7: 2,961,290 km (0.06 R)
• M8: 3,970,477 km (0.119 R)
• M9: 4,596,694 km (0.077 R)
• M10: 5,057,306 km (0.11 R)
• M11: 5,719,426 km (0.045 R)
• M12: 6,071,579 km (0.038 R)
• M13: 9,784,598 km (0.062 R)
• M14: 10,812,037 km (0.054 R)
• M15: 11,829,152 km (0.064 R)
• M16: 12,402,561 km (0.088 R)
• M17: 13,080,539 km (0.12 R)
• M18: 13,962,568 km (0.115 R)
• M19: 14,418,243 km (0.112 R)
• M20: 15,844,958 km (0.094 R)
• M21: 16,541,934 km (0.071 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.4

Radius: 6.7

Gravity: 16.69 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.94 AU - 10.06 AU

Year: 17433 Days

Day: 20.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,541,906 km

• M1: 83,476 km (0.095 R)
• M2: 387,159 km (0.034 R)
• M3: 654,939 km (0.119 R)
• M4: 1,160,131 km (0.071 R)
• M5: 1,413,101 km (0.055 R)
• M6: 2,536,432 km (0.103 R)
• M7: 4,193,079 km (0.036 R)
• M8: 6,858,913 km (0.111 R)
• M9: 7,408,087 km (0.07 R)
• M10: 7,936,765 km (0.066 R)
• M11: 13,109,112 km (0.095 R)
• M12: 15,211,710 km (0.103 R)
• M13: 17,279,302 km (0.106 R)
• M14: 21,097,788 km (0.04 R)
• M15: 25,659,176 km (0.106 R)
• M16: 29,750,080 km (0.058 R)
• M17: 36,670,178 km (0.059 R)
• M18: 50,799,847 km (0.102 R)
• M19: 54,110,148 km (0.08 R)
• M20: 65,503,522 km (0.117 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 18,622 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit