🌌 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: 321.5

Radius: 10.4

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.67 AU - 0.95 AU

Year: 494 Days

Day: 5.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,301,610 km

• M1: 129,402 km (0.086 R)
• M2: 663,317 km (0.083 R)
• M3: 1,619,547 km (0.12 R)
• M4: 1,961,677 km (0.084 R)
• M5: 2,689,171 km (0.092 R)
• M6: 3,195,710 km (0.027 R)
• M7: 3,541,131 km (0.085 R)
• M8: 4,281,341 km (0.112 R)
• M9: 4,844,278 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.9

Radius: 9.3

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.08 AU - 1.12 AU

Year: 782 Days

Day: 6.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,301,610 km

• M1: 115,639 km (0.076 R)
• M2: 417,228 km (0.066 R)
• M3: 709,991 km (0.097 R)
• M4: 1,226,254 km (0.041 R)
• M5: 1,877,603 km (0.099 R)
• M6: 3,162,948 km (0.103 R)
• M7: 3,595,734 km (0.115 R)
• M8: 3,961,052 km (0.087 R)
• M9: 4,514,116 km (0.087 R)
• M10: 6,153,708 km (0.088 R)
• M11: 6,528,451 km (0.116 R)
• M12: 7,164,092 km (0.114 R)
• M13: 7,462,241 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.7

Radius: 12.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.2 AU - 1.92 AU

Year: 1322 Days

Day: 5.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,301,610 km

• M1: 152,889 km (0.083 R)
• M2: 686,804 km (0.073 R)
• M3: 1,171,501 km (0.087 R)
• M4: 1,788,293 km (0.119 R)
• M5: 2,218,088 km (0.08 R)
• M6: 2,648,032 km (0.115 R)
• M7: 3,344,709 km (0.068 R)
• M8: 3,780,787 km (0.111 R)
• M9: 4,319,040 km (0.097 R)
• M10: 4,837,995 km (0.119 R)
• M11: 5,645,973 km (0.066 R)
• M12: 6,184,974 km (0.117 R)
• M13: 7,459,847 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.6

Radius: 5.2

Gravity: 13.34 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.59 AU - 8.35 AU

Year: 15261 Days

Day: 17.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,301,610 km

• M1: 74,649 km (0.112 R)
• M2: 836,701 km (0.062 R)
• M3: 1,576,313 km (0.045 R)
• M4: 1,839,755 km (0.108 R)
• M5: 2,150,469 km (0.056 R)
• M6: 2,395,959 km (0.056 R)
• M7: 3,343,812 km (0.1 R)
• M8: 5,283,049 km (0.113 R)
• M9: 9,805,243 km (0.063 R)
• M10: 12,158,118 km (0.088 R)
• M11: 13,749,540 km (0.119 R)
• M12: 16,175,270 km (0.112 R)
• M13: 23,638,708 km (0.106 R)
• M14: 27,294,132 km (0.067 R)
• M15: 31,088,382 km (0.044 R)
• M16: 32,540,678 km (0.094 R)
• M17: 35,100,448 km (0.104 R)
• M18: 38,930,452 km (0.102 R)
• M19: 39,315,218 km (0.059 R)
• M20: 40,616,271 km (0.089 R)
• M21: 40,879,862 km (0.069 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 13,445 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit