🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.5

Radius: 8.1

Gravity: 12.78 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.66 AU - 0.8 AU

Year: 423 Days

Day: 11.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,963,188 km

• M1: 100,679 km (0.082 R)
• M2: 370,105 km (0.058 R)
• M3: 752,926 km (0.092 R)
• M4: 1,246,898 km (0.082 R)
• M5: 1,782,608 km (0.093 R)
• M6: 2,156,753 km (0.106 R)
• M7: 2,512,795 km (0.081 R)
• M8: 2,821,266 km (0.094 R)
• M9: 3,120,312 km (0.108 R)
• M10: 4,317,245 km (0.104 R)
• M11: 4,595,347 km (0.117 R)
• M12: 5,122,979 km (0.1 R)
• M13: 5,742,464 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.3

Radius: 12.6

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.68 AU - 1.06 AU

Year: 550 Days

Day: 12.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,963,188 km

• M1: 156,779 km (0.045 R)
• M2: 625,319 km (0.106 R)
• M3: 1,100,292 km (0.085 R)
• M4: 1,585,588 km (0.109 R)
• M5: 2,044,704 km (0.032 R)
• M6: 2,760,829 km (0.111 R)
• M7: 3,334,985 km (0.06 R)
• M8: 3,850,948 km (0.038 R)
• M9: 4,995,372 km (0.084 R)
• M10: 5,943,374 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.4

Radius: 10.7

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.69 AU - 1.75 AU

Year: 1530 Days

Day: 7.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,963,188 km

• M1: 133,591 km (0.088 R)
• M2: 600,187 km (0.079 R)
• M3: 1,091,616 km (0.088 R)
• M4: 2,206,269 km (0.075 R)
• M5: 2,840,265 km (0.09 R)
• M6: 4,590,710 km (0.117 R)
• M7: 5,331,070 km (0.106 R)
• M8: 5,788,839 km (0.062 R)
• M9: 6,347,587 km (0.079 R)
• M10: 6,941,940 km (0.112 R)
• M11: 8,514,213 km (0.116 R)
• M12: 9,205,355 km (0.082 R)
• M13: 9,899,489 km (0.054 R)
• M14: 11,097,020 km (0.09 R)
• M15: 12,231,720 km (0.067 R)
• M16: 14,292,132 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.5

Radius: 5

Gravity: 23.78 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.49 AU - 6.81 AU

Year: 9109 Days

Day: 15.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,963,188 km

• M1: 62,981 km (0.087 R)
• M2: 670,198 km (0.103 R)
• M3: 1,076,357 km (0.082 R)
• M4: 1,267,393 km (0.11 R)
• M5: 1,854,714 km (0.112 R)
• M6: 2,148,375 km (0.046 R)
• M7: 4,986,845 km (0.113 R)
• M8: 5,653,154 km (0.076 R)
• M9: 6,930,720 km (0.107 R)
• M10: 7,199,846 km (0.061 R)
• M11: 13,139,331 km (0.073 R)
• M12: 15,809,503 km (0.06 R)
• M13: 22,946,069 km (0.026 R)
• M14: 33,468,634 km (0.078 R)
• M15: 33,906,357 km (0.081 R)
• M16: 40,687,928 km (0.079 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: 166 - 12,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit