🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.9

Radius: 10.7

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.61 AU - 0.65 AU

Year: 351 Days

Day: 14.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,198,697 km

• M1: 133,142 km (0.028 R)
• M2: 551,418 km (0.113 R)
• M3: 905,516 km (0.117 R)
• M4: 1,248,394 km (0.08 R)
• M5: 1,648,120 km (0.067 R)
• M6: 2,141,045 km (0.066 R)
• M7: 2,525,810 km (0.108 R)
• M8: 2,995,847 km (0.049 R)
• M9: 3,372,684 km (0.108 R)
• M10: 3,724,239 km (0.048 R)
• M11: 4,088,211 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.3

Radius: 15

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.06 AU - 1.54 AU

Year: 1042 Days

Day: 8.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,198,697 km

• M1: 186,698 km (0.104 R)
• M2: 795,861 km (0.115 R)
• M3: 1,372,860 km (0.103 R)
• M4: 1,886,130 km (0.088 R)
• M5: 3,248,069 km (0.077 R)
• M6: 4,036,151 km (0.077 R)
• M7: 4,589,363 km (0.086 R)
• M8: 5,098,295 km (0.104 R)
• M9: 5,849,726 km (0.104 R)
• M10: 6,926,830 km (0.085 R)
• M11: 7,901,012 km (0.06 R)
• M12: 9,445,161 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.8

Radius: 14.3

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.47 AU - 1.75 AU

Year: 1436 Days

Day: 13.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,198,697 km

• M1: 178,171 km (0.072 R)
• M2: 737,069 km (0.111 R)
• M3: 1,257,071 km (0.107 R)
• M4: 1,891,665 km (0.111 R)
• M5: 2,877,216 km (0.092 R)
• M6: 4,167,049 km (0.088 R)
• M7: 6,400,545 km (0.112 R)
• M8: 7,957,260 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.8

Radius: 13

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.66 AU - 1.78 AU

Year: 1586 Days

Day: 9 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,198,697 km

• M1: 162,912 km (0.073 R)
• M2: 885,021 km (0.089 R)
• M3: 1,370,466 km (0.113 R)
• M4: 2,592,681 km (0.101 R)
• M5: 3,346,355 km (0.089 R)
• M6: 3,815,045 km (0.076 R)
• M7: 4,761,401 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.2

Radius: 11.1

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.61 AU - 2.99 AU

Year: 3293 Days

Day: 9.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,198,697 km

• M1: 138,079 km (0.115 R)
• M2: 549,024 km (0.118 R)
• M3: 1,025,045 km (0.04 R)
• M4: 2,036,326 km (0.032 R)
• M5: 2,772,797 km (0.097 R)
• M6: 3,167,436 km (0.051 R)
• M7: 3,881,616 km (0.056 R)
• M8: 4,514,116 km (0.09 R)
• M9: 5,846,734 km (0.05 R)
• M10: 6,325,297 km (0.093 R)
• M11: 7,265,669 km (0.108 R)
• M12: 8,436,422 km (0.103 R)
• M13: 9,845,634 km (0.12 R)
• M14: 10,524,509 km (0.1 R)
• M15: 12,983,450 km (0.089 R)
• M16: 13,702,267 km (0.119 R)
• M17: 14,497,978 km (0.099 R)
• M18: 15,062,710 km (0.06 R)
• M19: 20,955,221 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.2

Radius: 7.3

Gravity: 12.91 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.99 AU - 7.99 AU

Year: 15876 Days

Day: 23.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 25,198,697 km

• M1: 90,956 km (0.119 R)
• M2: 348,114 km (0.054 R)
• M3: 677,828 km (0.1 R)
• M4: 981,512 km (0.118 R)
• M5: 1,304,942 km (0.12 R)
• M6: 1,553,873 km (0.099 R)
• M7: 1,817,315 km (0.096 R)
• M8: 2,289,296 km (0.112 R)
• M9: 2,840,265 km (0.108 R)
• M10: 3,237,298 km (0.097 R)
• M11: 5,460,921 km (0.054 R)
• M12: 7,082,861 km (0.116 R)
• M13: 8,003,785 km (0.078 R)
• M14: 12,820,238 km (0.073 R)
• M15: 14,609,878 km (0.044 R)
• M16: 15,045,507 km (0.045 R)
• M17: 15,790,654 km (0.093 R)
• M18: 20,424,298 km (0.117 R)
• M19: 24,340,621 km (0.075 R)
• M20: 33,244,536 km (0.091 R)
• M21: 33,619,728 km (0.102 R)
• M22: 36,062,811 km (0.095 R)
• M23: 39,314,620 km (0.115 R)
• M24: 41,732,869 km (0.082 R)
• M25: 49,579,726 km (0.083 R)
• M26: 51,559,056 km (0.041 R)
• M27: 54,279,194 km (0.026 R)
• M28: 64,164,920 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.8

Radius: 4.5

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.7 AU - 8.66 AU

Year: 16445 Days

Day: 17.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,198,697 km

• M1: 82,578 km (0.098 R)
• M2: 529,128 km (0.08 R)
• M3: 951,293 km (0.109 R)
• M4: 1,360,742 km (0.109 R)
• M5: 2,068,939 km (0.103 R)
• M6: 5,762,959 km (0.098 R)
• M7: 8,387,653 km (0.028 R)
• M8: 11,669,083 km (0.118 R)
• M9: 11,850,395 km (0.052 R)
• M10: 14,071,625 km (0.069 R)
• M11: 21,072,655 km (0.059 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: 232 - 13,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit