🌌 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: 231.1

Radius: 12.2

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.63 AU - 0.67 AU

Year: 368 Days

Day: 8.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 66.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,289,748 km

• M1: 153,039 km (0.102 R)
• M2: 821,741 km (0.102 R)
• M3: 1,285,345 km (0.102 R)
• M4: 1,670,260 km (0.092 R)
• M5: 2,892,325 km (0.064 R)
• M6: 3,455,412 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.6

Radius: 9

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.81 AU - 1.19 AU

Year: 703 Days

Day: 11.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,289,748 km

• M1: 111,899 km (0.068 R)
• M2: 475,572 km (0.117 R)
• M3: 762,650 km (0.082 R)
• M4: 1,386,024 km (0.098 R)
• M5: 1,715,289 km (0.082 R)
• M6: 2,245,015 km (0.117 R)
• M7: 2,703,383 km (0.099 R)
• M8: 3,042,821 km (0.077 R)
• M9: 3,531,707 km (0.095 R)
• M10: 4,390,847 km (0.082 R)
• M11: 4,923,266 km (0.107 R)
• M12: 5,448,504 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.2

Radius: 9.6

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.95 AU - 1.35 AU

Year: 867 Days

Day: 8.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,289,748 km

• M1: 119,529 km (0.09 R)
• M2: 528,230 km (0.054 R)
• M3: 839,992 km (0.082 R)
• M4: 1,178,083 km (0.12 R)
• M5: 1,761,964 km (0.12 R)
• M6: 2,151,217 km (0.116 R)
• M7: 2,715,650 km (0.073 R)
• M8: 3,736,955 km (0.057 R)
• M9: 4,285,829 km (0.089 R)
• M10: 4,798,202 km (0.098 R)
• M11: 5,370,115 km (0.116 R)
• M12: 6,069,784 km (0.063 R)
• M13: 6,539,970 km (0.053 R)
• M14: 6,965,426 km (0.084 R)
• M15: 7,505,026 km (0.101 R)
• M16: 8,122,865 km (0.105 R)
• M17: 8,747,586 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.2

Radius: 14.4

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.26 AU - 1.32 AU

Year: 1030 Days

Day: 9.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,289,748 km

• M1: 179,069 km (0.076 R)
• M2: 661,821 km (0.099 R)
• M3: 1,297,612 km (0.088 R)
• M4: 2,324,601 km (0.094 R)
• M5: 2,907,883 km (0.119 R)
• M6: 3,538,887 km (0.108 R)
• M7: 4,875,993 km (0.038 R)
• M8: 5,467,204 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.3

Radius: 10

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.76 AU - 2.72 AU

Year: 2357 Days

Day: 7.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,289,748 km

• M1: 124,316 km (0.091 R)
• M2: 539,450 km (0.083 R)
• M3: 874,998 km (0.119 R)
• M4: 1,292,825 km (0.1 R)
• M5: 2,066,395 km (0.112 R)
• M6: 2,389,527 km (0.107 R)
• M7: 3,041,624 km (0.101 R)
• M8: 4,443,206 km (0.103 R)
• M9: 5,477,526 km (0.048 R)
• M10: 6,234,042 km (0.06 R)
• M11: 6,610,132 km (0.04 R)
• M12: 7,408,087 km (0.081 R)
• M13: 8,823,432 km (0.047 R)
• M14: 9,402,376 km (0.102 R)
• M15: 9,826,187 km (0.104 R)
• M16: 10,373,864 km (0.08 R)
• M17: 10,788,400 km (0.113 R)
• M18: 11,135,617 km (0.088 R)
• M19: 12,642,666 km (0.11 R)
• M20: 13,072,311 km (0.101 R)
• M21: 13,915,444 km (0.055 R)
• M22: 14,373,663 km (0.061 R)
• M23: 17,867,670 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63

Radius: 11.1

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.13 AU - 2.77 AU

Year: 2696 Days

Day: 5.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,289,748 km

• M1: 138,079 km (0.086 R)
• M2: 484,398 km (0.088 R)
• M3: 1,031,926 km (0.085 R)
• M4: 1,691,054 km (0.103 R)
• M5: 2,277,478 km (0.076 R)
• M6: 3,770,016 km (0.081 R)
• M7: 4,897,984 km (0.112 R)
• M8: 6,012,787 km (0.037 R)
• M9: 6,837,670 km (0.074 R)
• M10: 7,266,268 km (0.105 R)
• M11: 8,869,508 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.6

Radius: 13.1

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.41 AU - 4.69 AU

Year: 5729 Days

Day: 5.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,289,748 km

• M1: 163,361 km (0.081 R)
• M2: 771,327 km (0.094 R)
• M3: 1,485,058 km (0.106 R)
• M4: 2,216,292 km (0.091 R)
• M5: 2,778,332 km (0.073 R)
• M6: 3,968,532 km (0.119 R)
• M7: 4,859,687 km (0.116 R)
• M8: 6,306,298 km (0.052 R)
• M9: 7,074,783 km (0.103 R)
• M10: 7,595,832 km (0.081 R)
• M11: 10,171,758 km (0.106 R)
• M12: 10,885,339 km (0.029 R)
• M13: 13,117,040 km (0.035 R)
• M14: 13,847,976 km (0.101 R)
• M15: 14,844,597 km (0.107 R)
• M16: 15,391,377 km (0.062 R)
• M17: 19,386,538 km (0.096 R)
• M18: 21,468,342 km (0.044 R)
• M19: 21,933,142 km (0.109 R)
• M20: 23,942,840 km (0.061 R)
• M21: 27,228,308 km (0.071 R)
• M22: 28,697,659 km (0.067 R)
• M23: 33,422,707 km (0.072 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 15,056 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit