🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126

Radius: 10

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.73 AU - 0.89 AU

Year: 486 Days

Day: 10.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,729,372 km

• M1: 125,064 km (0.074 R)
• M2: 454,628 km (0.039 R)
• M3: 780,602 km (0.105 R)
• M4: 1,178,981 km (0.08 R)
• M5: 2,072,080 km (0.119 R)
• M6: 3,305,066 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.8

Radius: 12.9

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.16 AU - 2.8 AU

Year: 2604 Days

Day: 11.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,729,372 km

• M1: 160,369 km (0.099 R)
• M2: 579,841 km (0.117 R)
• M3: 1,007,542 km (0.119 R)
• M4: 1,478,625 km (0.069 R)
• M5: 2,632,324 km (0.109 R)
• M6: 3,515,700 km (0.105 R)
• M7: 4,215,070 km (0.096 R)
• M8: 5,448,354 km (0.082 R)
• M9: 5,968,506 km (0.08 R)
• M10: 6,467,565 km (0.085 R)
• M11: 7,137,763 km (0.093 R)
• M12: 8,166,249 km (0.072 R)
• M13: 8,815,952 km (0.119 R)
• M14: 9,534,919 km (0.107 R)
• M15: 10,973,901 km (0.068 R)
• M16: 13,024,589 km (0.071 R)
• M17: 13,912,602 km (0.117 R)
• M18: 14,651,615 km (0.09 R)
• M19: 15,612,034 km (0.08 R)
• M20: 16,974,721 km (0.102 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741

Radius: 8

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.72 AU - 6.94 AU

Year: 10620 Days

Day: 23.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,729,372 km

• M1: 99,483 km (0.106 R)
• M2: 621,878 km (0.074 R)
• M3: 879,187 km (0.099 R)
• M4: 1,425,219 km (0.087 R)
• M5: 1,712,596 km (0.113 R)
• M6: 2,144,336 km (0.068 R)
• M7: 3,886,852 km (0.09 R)
• M8: 4,483,897 km (0.065 R)
• M9: 7,538,985 km (0.106 R)
• M10: 8,650,946 km (0.09 R)
• M11: 11,419,703 km (0.099 R)
• M12: 13,126,914 km (0.102 R)
• M13: 13,816,710 km (0.052 R)
• M14: 15,612,483 km (0.056 R)
• M15: 16,102,416 km (0.103 R)
• M16: 21,322,334 km (0.099 R)
• M17: 23,255,887 km (0.087 R)
• M18: 39,646,727 km (0.091 R)
• M19: 44,764,021 km (0.05 R)
• M20: 50,608,212 km (0.054 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.5

Radius: 3.1

Gravity: 74.56 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.33 AU - 7.85 AU

Year: 12589 Days

Day: 21.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,729,372 km

• M1: 38,596 km (0.106 R)
• M2: 178,021 km (0.099 R)
• M3: 284,086 km (0.075 R)
• M4: 439,818 km (0.093 R)
• M5: 601,982 km (0.113 R)
• M6: 882,478 km (0.077 R)
• M7: 1,421,180 km (0.119 R)
• M8: 1,584,541 km (0.07 R)
• M9: 3,223,535 km (0.116 R)
• M10: 3,558,933 km (0.111 R)
• M11: 3,917,220 km (0.105 R)
• M12: 8,009,769 km (0.098 R)
• M13: 10,047,741 km (0.12 R)
• M14: 12,406,600 km (0.111 R)
• M15: 15,969,274 km (0.092 R)
• M16: 17,785,392 km (0.108 R)
• M17: 19,234,546 km (0.075 R)
• M18: 19,987,772 km (0.108 R)
• M19: 24,924,501 km (0.055 R)
• M20: 34,121,778 km (0.095 R)
• M21: 42,058,843 km (0.118 R)
• M22: 45,198,304 km (0.102 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 16,072 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit