🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.1

Radius: 11.5

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.86 AU - 1.02 AU

Year: 588 Days

Day: 13.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 69,300,339 km

• M1: 168,896 km (0.049 R)
• M2: 2,285,257 km (0.05 R)
• M3: 2,911,175 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.8

Radius: 13.3

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.03 AU - 1.41 AU

Year: 870 Days

Day: 6.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,300,339 km

• M1: 165,455 km (0.093 R)
• M2: 617,540 km (0.086 R)
• M3: 1,090,718 km (0.055 R)
• M4: 1,747,902 km (0.098 R)
• M5: 2,281,667 km (0.086 R)
• M6: 2,876,468 km (0.119 R)
• M7: 3,372,834 km (0.062 R)
• M8: 4,540,146 km (0.104 R)
• M9: 5,041,747 km (0.102 R)
• M10: 5,960,877 km (0.113 R)
• M11: 6,752,848 km (0.084 R)
• M12: 7,341,516 km (0.109 R)
• M13: 8,155,328 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.4

Radius: 9.2

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.79 AU - 2.97 AU

Year: 3156 Days

Day: 6 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,300,339 km

• M1: 114,592 km (0.104 R)
• M2: 682,017 km (0.091 R)
• M3: 988,842 km (0.033 R)
• M4: 1,431,502 km (0.102 R)
• M5: 2,526,259 km (0.054 R)
• M6: 3,083,511 km (0.087 R)
• M7: 5,360,241 km (0.106 R)
• M8: 5,711,048 km (0.039 R)
• M9: 6,369,429 km (0.101 R)
• M10: 7,467,178 km (0.058 R)
• M11: 9,635,300 km (0.056 R)
• M12: 10,114,611 km (0.106 R)
• M13: 10,401,390 km (0.059 R)
• M14: 11,120,807 km (0.088 R)
• M15: 11,782,927 km (0.115 R)
• M16: 13,331,564 km (0.074 R)
• M17: 16,770,968 km (0.096 R)
• M18: 19,725,377 km (0.044 R)
• M19: 20,109,544 km (0.073 R)
• M20: 21,968,298 km (0.11 R)
• M21: 23,293,136 km (0.098 R)
• M22: 23,794,439 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177

Radius: 8.6

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.14 AU - 3.68 AU

Year: 4066 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,300,339 km

• M1: 107,112 km (0.11 R)
• M2: 409,749 km (0.069 R)
• M3: 1,196,633 km (0.075 R)
• M4: 1,505,852 km (0.064 R)
• M5: 2,289,595 km (0.073 R)
• M6: 3,422,949 km (0.112 R)
• M7: 3,812,053 km (0.112 R)
• M8: 5,915,848 km (0.06 R)
• M9: 6,557,024 km (0.086 R)
• M10: 7,415,267 km (0.089 R)
• M11: 8,253,165 km (0.109 R)
• M12: 10,116,257 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225

Radius: 13.2

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.43 AU - 3.93 AU

Year: 4558 Days

Day: 14 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,300,339 km

• M1: 164,258 km (0.085 R)
• M2: 968,796 km (0.118 R)
• M3: 1,444,966 km (0.081 R)
• M4: 1,898,995 km (0.05 R)
• M5: 2,926,882 km (0.099 R)
• M6: 3,431,177 km (0.114 R)
• M7: 10,183,875 km (0.054 R)
• M8: 11,150,427 km (0.111 R)
• M9: 14,657,001 km (0.107 R)
• M10: 16,092,093 km (0.103 R)
• M11: 18,056,762 km (0.063 R)

Asteroid Belt

Center: 4.17 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232

Radius: 9.4

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.05 AU - 5.25 AU

Year: 6474 Days

Day: 14.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,300,339 km

• M1: 117,285 km (0.117 R)
• M2: 730,187 km (0.117 R)
• M3: 1,450,501 km (0.088 R)
• M4: 2,251,448 km (0.108 R)
• M5: 4,605,819 km (0.119 R)
• M6: 5,254,476 km (0.039 R)
• M7: 6,519,625 km (0.088 R)
• M8: 12,764,289 km (0.065 R)
• M9: 14,710,707 km (0.104 R)
• M10: 15,186,577 km (0.107 R)
• M11: 16,169,136 km (0.081 R)
• M12: 20,007,070 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688

Radius: 7.7

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.77 AU - 9.17 AU

Year: 17346 Days

Day: 15.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,300,339 km

• M1: 115,639 km (0.047 R)
• M2: 390,002 km (0.035 R)
• M3: 632,949 km (0.12 R)
• M4: 1,028,785 km (0.102 R)
• M5: 1,326,185 km (0.113 R)
• M6: 1,927,120 km (0.049 R)
• M7: 2,471,357 km (0.056 R)
• M8: 2,768,009 km (0.111 R)
• M9: 3,062,867 km (0.086 R)
• M10: 3,803,975 km (0.09 R)
• M11: 4,935,533 km (0.096 R)
• M12: 5,223,060 km (0.119 R)
• M13: 7,053,839 km (0.098 R)
• M14: 7,419,306 km (0.097 R)
• M15: 9,008,485 km (0.088 R)
• M16: 10,282,460 km (0.066 R)
• M17: 11,547,011 km (0.052 R)
• M18: 12,844,623 km (0.073 R)
• M19: 15,649,882 km (0.101 R)
• M20: 16,036,742 km (0.08 R)
• M21: 21,003,242 km (0.072 R)
• M22: 25,180,164 km (0.095 R)
• M23: 29,643,267 km (0.112 R)
• M24: 37,559,238 km (0.11 R)
• M25: 42,147,554 km (0.086 R)
• M26: 43,350,471 km (0.116 R)
• M27: 44,575,977 km (0.076 R)
• M28: 50,210,281 km (0.108 R)
• M29: 55,224,054 km (0.079 R)
• M30: 57,209,816 km (0.077 R)
• M31: 58,128,048 km (0.057 R)
• M32: 60,182,625 km (0.066 R)
• M33: 68,473,189 km (0.109 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 11,272 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit