🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.2

Radius: 10.4

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.6 AU - 0.64 AU

Year: 326 Days

Day: 5.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 34,345,066 km

• M1: 138,827 km (0.046 R)
• M2: 500,255 km (0.118 R)
• M3: 844,480 km (0.098 R)
• M4: 1,191,697 km (0.099 R)
• M5: 1,776,026 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99

Radius: 14.2

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.21 AU - 2.85 AU

Year: 2684 Days

Day: 11.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,345,066 km

• M1: 179,817 km (0.066 R)
• M2: 652,696 km (0.087 R)
• M3: 1,211,144 km (0.106 R)
• M4: 2,012,690 km (0.083 R)
• M5: 2,911,773 km (0.068 R)
• M6: 4,032,859 km (0.041 R)
• M7: 5,040,401 km (0.038 R)
• M8: 6,145,032 km (0.071 R)
• M9: 7,116,670 km (0.082 R)
• M10: 7,777,593 km (0.041 R)
• M11: 9,451,145 km (0.095 R)
• M12: 9,979,375 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.7

Radius: 9.1

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.82 AU - 2.86 AU

Year: 3192 Days

Day: 5.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,345,066 km

• M1: 113,694 km (0.086 R)
• M2: 444,605 km (0.114 R)
• M3: 792,420 km (0.037 R)
• M4: 1,633,160 km (0.114 R)
• M5: 2,002,667 km (0.027 R)
• M6: 2,501,725 km (0.102 R)
• M7: 2,797,331 km (0.116 R)
• M8: 3,348,748 km (0.119 R)
• M9: 4,464,300 km (0.087 R)
• M10: 4,902,173 km (0.098 R)
• M11: 5,444,764 km (0.083 R)
• M12: 5,783,753 km (0.057 R)
• M13: 6,946,876 km (0.113 R)
• M14: 7,504,128 km (0.096 R)
• M15: 8,191,381 km (0.119 R)
• M16: 8,637,631 km (0.052 R)
• M17: 9,503,803 km (0.065 R)
• M18: 9,805,093 km (0.113 R)
• M19: 10,268,996 km (0.058 R)
• M20: 13,272,772 km (0.086 R)
• M21: 13,697,181 km (0.117 R)
• M22: 14,424,825 km (0.089 R)
• M23: 16,169,136 km (0.076 R)
• M24: 17,426,058 km (0.113 R)
• M25: 18,280,112 km (0.108 R)
• M26: 20,381,364 km (0.08 R)
• M27: 20,946,694 km (0.118 R)
• M28: 21,651,749 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.3

Radius: 7.3

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.52 AU - 8.18 AU

Year: 11955 Days

Day: 22.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,345,066 km

• M1: 92,152 km (0.061 R)
• M2: 352,602 km (0.116 R)
• M3: 1,401,732 km (0.118 R)
• M4: 2,169,917 km (0.098 R)
• M5: 2,468,963 km (0.119 R)
• M6: 3,048,655 km (0.116 R)
• M7: 4,372,596 km (0.092 R)
• M8: 4,769,629 km (0.078 R)
• M9: 7,563,968 km (0.045 R)
• M10: 8,294,155 km (0.1 R)
• M11: 9,239,763 km (0.107 R)
• M12: 11,100,760 km (0.118 R)
• M13: 15,546,959 km (0.096 R)
• M14: 18,908,423 km (0.087 R)
• M15: 20,248,820 km (0.097 R)
• M16: 22,725,263 km (0.115 R)
• M17: 23,914,865 km (0.054 R)
• M18: 28,360,615 km (0.061 R)
• M19: 32,826,560 km (0.091 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 16,898 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit