🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.3

Radius: 9

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.74 AU - 0.86 AU

Year: 477 Days

Day: 5.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,216,454 km

• M1: 111,899 km (0.109 R)
• M2: 436,078 km (0.047 R)
• M3: 800,797 km (0.116 R)
• M4: 1,084,435 km (0.101 R)
• M5: 1,409,661 km (0.074 R)
• M6: 1,923,679 km (0.062 R)
• M7: 2,271,943 km (0.045 R)
• M8: 2,879,609 km (0.12 R)
• M9: 3,191,970 km (0.11 R)
• M10: 3,899,268 km (0.095 R)
• M11: 4,446,348 km (0.079 R)
• M12: 4,946,005 km (0.093 R)
• M13: 5,552,475 km (0.104 R)
• M14: 6,321,707 km (0.116 R)
• M15: 6,672,364 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.6

Radius: 8.7

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.19 AU - 1.25 AU

Year: 899 Days

Day: 9.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,216,454 km

• M1: 108,608 km (0.12 R)
• M2: 636,389 km (0.108 R)
• M3: 1,123,929 km (0.093 R)
• M4: 1,418,188 km (0.116 R)
• M5: 1,915,302 km (0.058 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.7

Radius: 5.9

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.47 AU - 6.03 AU

Year: 9195 Days

Day: 20.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,216,454 km

• M1: 139,276 km (0.091 R)
• M2: 947,703 km (0.114 R)
• M3: 1,230,592 km (0.096 R)
• M4: 1,494,034 km (0.073 R)
• M5: 2,753,648 km (0.09 R)
• M6: 3,848,256 km (0.116 R)
• M7: 7,032,147 km (0.118 R)
• M8: 7,538,386 km (0.118 R)
• M9: 11,244,225 km (0.111 R)
• M10: 12,343,769 km (0.086 R)
• M11: 17,528,083 km (0.066 R)
• M12: 18,524,704 km (0.088 R)
• M13: 18,728,457 km (0.097 R)
• M14: 21,740,311 km (0.048 R)
• M15: 23,598,765 km (0.12 R)
• M16: 28,431,823 km (0.09 R)
• M17: 30,461,118 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.4

Radius: 5

Gravity: 15.58 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.47 AU - 8.83 AU

Year: 15516 Days

Day: 16 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,216,454 km

• M1: 62,233 km (0.046 R)
• M2: 230,979 km (0.091 R)
• M3: 1,040,154 km (0.119 R)
• M4: 1,771,538 km (0.099 R)
• M5: 2,188,467 km (0.118 R)
• M6: 2,400,298 km (0.118 R)
• M7: 3,215,307 km (0.072 R)
• M8: 3,672,329 km (0.083 R)
• M9: 4,714,726 km (0.102 R)
• M10: 6,509,153 km (0.069 R)
• M11: 9,051,270 km (0.106 R)
• M12: 10,486,960 km (0.096 R)
• M13: 13,996,227 km (0.096 R)
• M14: 14,525,355 km (0.119 R)
• M15: 15,136,313 km (0.113 R)
• M16: 18,450,803 km (0.069 R)
• M17: 19,737,045 km (0.113 R)
• M18: 20,402,008 km (0.062 R)
• M19: 21,340,735 km (0.114 R)
• M20: 22,756,828 km (0.12 R)
• M21: 24,423,498 km (0.087 R)
• M22: 24,709,080 km (0.101 R)
• M23: 32,246,868 km (0.066 R)
• M24: 33,635,884 km (0.105 R)
• M25: 35,064,395 km (0.045 R)
• M26: 36,408,980 km (0.101 R)
• M27: 43,930,013 km (0.059 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 14,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit