🌌 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: 33.2

Radius: 8.7

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.57 AU - 0.73 AU

Year: 362 Days

Day: 6.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 21,396,348 km

• M1: 109,805 km (0.09 R)
• M2: 385,813 km (0.097 R)
• M3: 657,931 km (0.056 R)
• M4: 934,687 km (0.064 R)
• M5: 1,507,797 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.9

Radius: 12.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.25 AU - 1.67 AU

Year: 1218 Days

Day: 9.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,396,348 km

• M1: 154,535 km (0.092 R)
• M2: 578,495 km (0.062 R)
• M3: 1,050,027 km (0.12 R)
• M4: 1,602,642 km (0.093 R)
• M5: 2,075,222 km (0.048 R)
• M6: 3,607,253 km (0.118 R)
• M7: 4,180,812 km (0.05 R)
• M8: 4,814,658 km (0.103 R)
• M9: 5,355,454 km (0.043 R)
• M10: 7,489,767 km (0.063 R)
• M11: 8,964,952 km (0.098 R)
• M12: 9,785,945 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.7

Radius: 11.2

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.92 AU - 2.16 AU

Year: 2011 Days

Day: 6.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,396,348 km

• M1: 140,173 km (0.108 R)
• M2: 501,452 km (0.085 R)
• M3: 964,009 km (0.088 R)
• M4: 1,598,902 km (0.097 R)
• M5: 1,963,921 km (0.077 R)
• M6: 2,598,964 km (0.112 R)
• M7: 3,507,920 km (0.11 R)
• M8: 4,115,886 km (0.108 R)
• M9: 4,483,299 km (0.096 R)
• M10: 5,263,601 km (0.077 R)
• M11: 6,369,578 km (0.078 R)
• M12: 9,951,101 km (0.115 R)
• M13: 10,380,447 km (0.114 R)
• M14: 12,909,399 km (0.112 R)
• M15: 13,261,851 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.3

Radius: 12.1

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.9 AU - 2.52 AU

Year: 2268 Days

Day: 6.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,396,348 km

• M1: 150,795 km (0.117 R)
• M2: 651,948 km (0.058 R)
• M3: 1,206,208 km (0.11 R)
• M4: 1,727,706 km (0.077 R)
• M5: 2,384,889 km (0.101 R)
• M6: 3,062,568 km (0.076 R)
• M7: 4,048,866 km (0.119 R)
• M8: 4,994,475 km (0.082 R)
• M9: 5,934,847 km (0.117 R)
• M10: 8,409,495 km (0.078 R)
• M11: 9,875,404 km (0.075 R)
• M12: 11,929,533 km (0.11 R)
• M13: 12,484,690 km (0.116 R)
• M14: 13,732,486 km (0.089 R)
• M15: 15,899,411 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.1

Radius: 14.8

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.58 AU - 4.2 AU

Year: 5296 Days

Day: 11.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 21,396,348 km

• M1: 184,155 km (0.054 R)
• M2: 666,608 km (0.046 R)
• M3: 1,317,508 km (0.067 R)
• M4: 1,995,486 km (0.041 R)
• M5: 3,206,331 km (0.115 R)
• M6: 3,749,671 km (0.058 R)
• M7: 4,329,961 km (0.097 R)
• M8: 5,050,873 km (0.081 R)
• M9: 5,614,109 km (0.06 R)
• M10: 6,219,232 km (0.109 R)
• M11: 7,596,729 km (0.101 R)
• M12: 8,531,716 km (0.117 R)
• M13: 9,087,921 km (0.117 R)
• M14: 11,370,186 km (0.073 R)
• M15: 13,741,911 km (0.104 R)
• M16: 15,476,648 km (0.104 R)
• M17: 17,227,990 km (0.029 R)
• M18: 18,576,316 km (0.089 R)
• M19: 22,365,929 km (0.107 R)
• M20: 22,892,364 km (0.085 R)
• M21: 23,813,887 km (0.103 R)
• M22: 24,759,944 km (0.116 R)
• M23: 25,485,942 km (0.038 R)
• M24: 26,559,456 km (0.088 R)
• M25: 30,417,885 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.9

Radius: 5.4

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.72 AU - 7.64 AU

Year: 11917 Days

Day: 17.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,396,348 km

• M1: 67,169 km (0.055 R)
• M2: 384,616 km (0.105 R)
• M3: 660,475 km (0.077 R)
• M4: 1,104,331 km (0.09 R)
• M5: 1,411,905 km (0.106 R)
• M6: 1,591,572 km (0.108 R)
• M7: 2,396,558 km (0.097 R)
• M8: 3,296,838 km (0.073 R)
• M9: 3,975,713 km (0.107 R)
• M10: 6,339,659 km (0.116 R)
• M11: 6,922,791 km (0.089 R)
• M12: 7,668,836 km (0.077 R)
• M13: 9,804,644 km (0.112 R)
• M14: 10,583,301 km (0.109 R)
• M15: 11,698,853 km (0.057 R)
• M16: 13,586,479 km (0.091 R)
• M17: 15,307,153 km (0.118 R)
• M18: 15,772,104 km (0.055 R)
• M19: 16,513,959 km (0.069 R)
• M20: 17,726,300 km (0.057 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 18,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit