🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.6

Radius: 11.1

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.61 AU - 0.85 AU

Year: 431 Days

Day: 12.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,782,862 km

• M1: 138,079 km (0.064 R)
• M2: 534,364 km (0.093 R)
• M3: 1,000,660 km (0.07 R)
• M4: 1,522,607 km (0.109 R)
• M5: 2,491,553 km (0.08 R)
• M6: 3,010,657 km (0.03 R)
• M7: 3,452,420 km (0.106 R)
• M8: 4,099,730 km (0.109 R)
• M9: 5,302,197 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721

Radius: 9.2

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.62 AU - 0.94 AU

Year: 476 Days

Day: 10.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,782,862 km

• M1: 114,891 km (0.116 R)
• M2: 487,240 km (0.069 R)
• M3: 876,793 km (0.093 R)
• M4: 1,438,384 km (0.116 R)
• M5: 1,946,119 km (0.081 R)
• M6: 2,307,398 km (0.039 R)
• M7: 2,950,369 km (0.104 R)
• M8: 3,344,560 km (0.062 R)
• M9: 4,028,970 km (0.094 R)
• M10: 4,485,842 km (0.043 R)
• M11: 4,850,711 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613

Radius: 12.1

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.96 AU - 1.42 AU

Year: 896 Days

Day: 12.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 101.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,782,862 km

• M1: 150,495 km (0.051 R)
• M2: 578,495 km (0.109 R)
• M3: 1,053,618 km (0.026 R)
• M4: 2,961,290 km (0.034 R)
• M5: 3,778,094 km (0.04 R)
• M6: 7,235,600 km (0.036 R)
• M7: 7,731,966 km (0.12 R)
• M8: 8,200,506 km (0.043 R)
• M9: 8,714,226 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.9

Radius: 3

Gravity: 109.21 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.6 AU - 8.72 AU

Year: 17591 Days

Day: 15.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,782,862 km

• M1: 45,478 km (0.045 R)
• M2: 142,118 km (0.088 R)
• M3: 303,085 km (0.034 R)
• M4: 667,207 km (0.1 R)
• M5: 1,153,400 km (0.117 R)
• M6: 2,184,727 km (0.116 R)
• M7: 2,315,775 km (0.106 R)
• M8: 2,617,664 km (0.111 R)
• M9: 2,765,466 km (0.091 R)
• M10: 2,918,954 km (0.113 R)
• M11: 3,327,505 km (0.053 R)
• M12: 3,620,119 km (0.068 R)
• M13: 5,153,048 km (0.066 R)
• M14: 8,005,880 km (0.088 R)
• M15: 8,212,923 km (0.111 R)
• M16: 9,132,501 km (0.095 R)
• M17: 9,415,540 km (0.073 R)
• M18: 9,880,491 km (0.072 R)
• M19: 14,543,755 km (0.117 R)
• M20: 18,443,622 km (0.06 R)
• M21: 23,404,288 km (0.091 R)
• M22: 23,827,201 km (0.045 R)
• M23: 24,797,493 km (0.06 R)
• M24: 35,568,689 km (0.117 R)
• M25: 37,406,200 km (0.106 R)
• M26: 38,129,356 km (0.062 R)
• M27: 38,275,214 km (0.046 R)
• M28: 40,203,979 km (0.031 R)
• M29: 42,041,041 km (0.045 R)
• M30: 44,576,575 km (0.087 R)
• M31: 48,567,846 km (0.026 R)
• M32: 50,474,172 km (0.042 R)
• M33: 54,066,914 km (0.103 R)
• M34: 59,573,462 km (0.07 R)
• M35: 60,757,679 km (0.083 R)
• M36: 63,786,438 km (0.114 R)
• M37: 67,979,068 km (0.1 R)
• M38: 70,361,563 km (0.112 R)
• M39: 76,675,790 km (0.111 R)
• M40: 77,373,963 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 19,717 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit