🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.4

Radius: 13.2

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.64 AU - 0.66 AU

Year: 362 Days

Day: 9.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,248,851 km

• M1: 164,109 km (0.09 R)
• M2: 802,742 km (0.116 R)
• M3: 1,307,934 km (0.044 R)
• M4: 1,802,954 km (0.115 R)
• M5: 2,244,866 km (0.108 R)
• M6: 2,660,449 km (0.062 R)
• M7: 3,812,352 km (0.104 R)
• M8: 4,244,989 km (0.049 R)
• M9: 4,828,570 km (0.093 R)
• M10: 5,257,468 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.9

Radius: 14.1

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.63 AU - 0.79 AU

Year: 413 Days

Day: 7.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 87,248,851 km

• M1: 175,329 km (0.115 R)
• M2: 655,388 km (0.108 R)
• M3: 1,259,016 km (0.094 R)
• M4: 1,732,194 km (0.12 R)
• M5: 2,759,482 km (0.093 R)
• M6: 4,437,222 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.2

Radius: 14.1

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.21 AU - 1.81 AU

Year: 1281 Days

Day: 10.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,248,851 km

• M1: 175,329 km (0.105 R)
• M2: 738,265 km (0.095 R)
• M3: 1,189,602 km (0.093 R)
• M4: 1,630,617 km (0.085 R)
• M5: 2,075,222 km (0.043 R)
• M6: 3,663,353 km (0.087 R)
• M7: 4,408,500 km (0.066 R)
• M8: 6,522,168 km (0.041 R)
• M9: 7,056,232 km (0.104 R)
• M10: 7,838,629 km (0.1 R)
• M11: 8,469,184 km (0.098 R)
• M12: 9,160,775 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.2

Radius: 12.6

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.97 AU - 1.99 AU

Year: 1923 Days

Day: 11.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,248,851 km

• M1: 180,714 km (0.087 R)
• M2: 598,242 km (0.104 R)
• M3: 1,091,915 km (0.084 R)
• M4: 1,514,529 km (0.057 R)
• M5: 1,925,474 km (0.113 R)
• M6: 2,335,821 km (0.114 R)
• M7: 2,891,727 km (0.11 R)
• M8: 3,402,454 km (0.116 R)
• M9: 4,667,603 km (0.087 R)
• M10: 5,218,423 km (0.102 R)
• M11: 7,384,749 km (0.119 R)
• M12: 7,782,530 km (0.114 R)
• M13: 8,559,541 km (0.106 R)
• M14: 9,923,126 km (0.104 R)
• M15: 10,373,266 km (0.073 R)
• M16: 10,873,372 km (0.073 R)
• M17: 11,806,264 km (0.049 R)
• M18: 12,791,964 km (0.067 R)
• M19: 13,831,670 km (0.094 R)
• M20: 14,394,158 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.6

Radius: 11.5

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.29 AU - 3.79 AU

Year: 3659 Days

Day: 8.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,248,851 km

• M1: 143,165 km (0.107 R)
• M2: 521,498 km (0.108 R)
• M3: 1,126,921 km (0.11 R)
• M4: 2,002,517 km (0.102 R)
• M5: 3,040,278 km (0.071 R)
• M6: 3,711,074 km (0.041 R)
• M7: 5,002,702 km (0.092 R)
• M8: 5,997,678 km (0.114 R)
• M9: 6,605,045 km (0.067 R)
• M10: 8,827,770 km (0.09 R)
• M11: 10,490,102 km (0.083 R)
• M12: 12,690,836 km (0.084 R)
• M13: 13,795,916 km (0.073 R)
• M14: 19,770,855 km (0.078 R)
• M15: 20,842,424 km (0.072 R)
• M16: 23,616,268 km (0.101 R)
• M17: 23,988,916 km (0.03 R)
• M18: 24,593,142 km (0.053 R)
• M19: 26,627,523 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.5

Radius: 3.8

Gravity: 51.28 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.36 AU - 12.72 AU

Year: 23620 Days

Day: 19 Hours

Environment

Temp: -242 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 87,248,851 km

• M1: 49,218 km (0.056 R)
• M2: 179,817 km (0.102 R)
• M3: 468,092 km (0.052 R)
• M4: 683,961 km (0.067 R)
• M5: 2,497,088 km (0.114 R)
• M6: 3,209,622 km (0.058 R)
• M7: 3,384,652 km (0.073 R)
• M8: 4,428,546 km (0.109 R)
• M9: 4,908,157 km (0.071 R)
• M10: 5,340,195 km (0.054 R)
• M11: 6,461,880 km (0.119 R)
• M12: 7,274,645 km (0.115 R)
• M13: 7,475,406 km (0.102 R)
• M14: 12,237,854 km (0.119 R)
• M15: 14,874,217 km (0.034 R)
• M16: 22,164,720 km (0.055 R)
• M17: 26,865,833 km (0.088 R)
• M18: 30,214,581 km (0.083 R)
• M19: 30,733,087 km (0.056 R)
• M20: 31,522,216 km (0.089 R)
• M21: 34,530,929 km (0.109 R)
• M22: 37,278,593 km (0.114 R)
• M23: 42,553,114 km (0.086 R)
• M24: 47,427,312 km (0.116 R)
• M25: 48,303,507 km (0.115 R)
• M26: 50,632,297 km (0.096 R)
• M27: 78,166,084 km (0.081 R)
• M28: 82,624,250 km (0.209 R)
• M29: 84,915,491 km (0.076 R)
• M30: 86,466,372 km (0.079 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: 356 - 19,332 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit