🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.2

Radius: 13.7

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.66 AU - 1.86 AU

Year: 1508 Days

Day: 14.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,072,628 km

• M1: 170,392 km (0.115 R)
• M2: 707,448 km (0.107 R)
• M3: 1,176,737 km (0.097 R)
• M4: 2,339,860 km (0.04 R)
• M5: 2,814,086 km (0.096 R)
• M6: 3,269,761 km (0.086 R)
• M7: 5,261,956 km (0.118 R)
• M8: 6,320,660 km (0.07 R)
• M9: 7,664,198 km (0.109 R)
• M10: 8,377,481 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.4

Radius: 13.8

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.75 AU - 1.95 AU

Year: 1625 Days

Day: 12 Hours

Environment

Temp: -182 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,072,628 km

• M1: 171,589 km (0.108 R)
• M2: 799,002 km (0.025 R)
• M3: 2,127,282 km (0.102 R)
• M4: 2,890,680 km (0.064 R)
• M5: 3,486,977 km (0.042 R)
• M6: 4,640,526 km (0.103 R)
• M7: 8,817,448 km (0.059 R)
• M8: 9,723,862 km (0.114 R)

Asteroid Belt

Center: 2.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.2

Radius: 13.1

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.69 AU - 4.41 AU

Year: 4319 Days

Day: 10.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,072,628 km

• M1: 162,912 km (0.099 R)
• M2: 626,067 km (0.086 R)
• M3: 1,880,146 km (0.112 R)
• M4: 2,582,957 km (0.087 R)
• M5: 3,233,708 km (0.1 R)
• M6: 4,118,579 km (0.069 R)
• M7: 5,727,803 km (0.119 R)
• M8: 6,425,079 km (0.104 R)
• M9: 8,192,877 km (0.047 R)
• M10: 8,788,725 km (0.115 R)
• M11: 10,067,488 km (0.118 R)
• M12: 11,902,156 km (0.074 R)
• M13: 13,322,139 km (0.114 R)
• M14: 18,142,332 km (0.102 R)
• M15: 18,734,441 km (0.07 R)
• M16: 21,625,419 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146

Radius: 6.4

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 11.02 AU - 11.58 AU

Year: 24526 Days

Day: 20.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,072,628 km

• M1: 83,775 km (0.082 R)
• M2: 292,613 km (0.074 R)
• M3: 648,507 km (0.081 R)
• M4: 1,172,698 km (0.113 R)
• M5: 1,483,412 km (0.08 R)
• M6: 2,123,093 km (0.036 R)
• M7: 4,242,296 km (0.115 R)
• M8: 4,912,794 km (0.098 R)
• M9: 5,206,754 km (0.053 R)
• M10: 5,829,679 km (0.076 R)
• M11: 6,462,478 km (0.116 R)
• M12: 7,689,480 km (0.091 R)
• M13: 8,041,334 km (0.116 R)
• M14: 8,449,886 km (0.082 R)
• M15: 8,824,629 km (0.083 R)
• M16: 9,064,434 km (0.102 R)
• M17: 13,142,323 km (0.096 R)
• M18: 14,161,383 km (0.113 R)
• M19: 16,284,027 km (0.08 R)
• M20: 17,533,768 km (0.117 R)
• M21: 19,164,235 km (0.082 R)
• M22: 22,903,284 km (0.09 R)
• M23: 23,174,655 km (0.084 R)
• M24: 25,811,617 km (0.084 R)
• M25: 27,000,620 km (0.054 R)
• M26: 36,856,727 km (0.11 R)
• M27: 42,035,655 km (0.074 R)
• M28: 45,507,074 km (0.066 R)
• M29: 46,367,860 km (0.101 R)
• M30: 50,988,340 km (0.078 R)
• M31: 52,072,625 km (0.119 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 10,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit