🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.1

Radius: 12.2

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.49 AU - 0.63 AU

Year: 289 Days

Day: 10.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,428,788 km

• M1: 151,991 km (0.052 R)
• M2: 615,296 km (0.1 R)
• M3: 1,048,531 km (0.076 R)
• M4: 1,537,268 km (0.07 R)
• M5: 2,313,082 km (0.067 R)
• M6: 3,168,632 km (0.097 R)
• M7: 3,686,241 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.5

Radius: 13.9

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.71 AU - 1.05 AU

Year: 570 Days

Day: 5.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,428,788 km

• M1: 172,935 km (0.045 R)
• M2: 640,728 km (0.097 R)
• M3: 1,283,999 km (0.104 R)
• M4: 1,828,086 km (0.055 R)
• M5: 2,556,628 km (0.11 R)
• M6: 3,511,511 km (0.1 R)
• M7: 4,232,573 km (0.087 R)
• M8: 5,953,247 km (0.116 R)
• M9: 7,149,881 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.2

Radius: 14.2

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.17 AU - 1.67 AU

Year: 1168 Days

Day: 12.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 62,428,788 km

• M1: 176,675 km (0.083 R)
• M2: 690,693 km (0.119 R)
• M3: 1,606,083 km (0.104 R)
• M4: 2,083,001 km (0.108 R)
• M5: 3,431,177 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.1

Radius: 14.8

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.89 AU - 4.35 AU

Year: 4754 Days

Day: 12.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,428,788 km

• M1: 184,305 km (0.113 R)
• M2: 664,663 km (0.09 R)
• M3: 1,229,694 km (0.076 R)
• M4: 2,357,812 km (0.118 R)
• M5: 3,031,152 km (0.107 R)
• M6: 3,660,361 km (0.095 R)
• M7: 5,210,344 km (0.073 R)
• M8: 6,331,131 km (0.106 R)
• M9: 7,264,473 km (0.101 R)
• M10: 9,048,427 km (0.072 R)
• M11: 9,608,222 km (0.086 R)
• M12: 10,665,281 km (0.11 R)
• M13: 11,940,004 km (0.046 R)
• M14: 12,911,044 km (0.118 R)
• M15: 13,518,711 km (0.071 R)
• M16: 14,358,404 km (0.116 R)
• M17: 19,153,913 km (0.103 R)
• M18: 20,552,803 km (0.079 R)
• M19: 22,378,046 km (0.108 R)
• M20: 22,887,277 km (0.088 R)
• M21: 24,004,923 km (0.118 R)
• M22: 26,429,605 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.3

Radius: 5.9

Gravity: 13.28 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.37 AU - 6.07 AU

Year: 9443 Days

Day: 15.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,428,788 km

• M1: 78,389 km (0.095 R)
• M2: 354,846 km (0.079 R)
• M3: 552,166 km (0.051 R)
• M4: 941,270 km (0.028 R)
• M5: 1,372,411 km (0.109 R)
• M6: 1,911,262 km (0.105 R)
• M7: 2,119,503 km (0.056 R)
• M8: 3,002,429 km (0.094 R)
• M9: 3,240,439 km (0.115 R)
• M10: 3,585,263 km (0.107 R)
• M11: 4,913,692 km (0.11 R)
• M12: 8,582,280 km (0.1 R)
• M13: 9,840,997 km (0.082 R)
• M14: 10,416,350 km (0.077 R)
• M15: 10,662,588 km (0.076 R)
• M16: 11,013,994 km (0.115 R)
• M17: 13,285,787 km (0.09 R)
• M18: 18,659,043 km (0.09 R)
• M19: 19,390,726 km (0.116 R)
• M20: 20,989,180 km (0.092 R)
• M21: 24,968,483 km (0.094 R)
• M22: 25,946,404 km (0.118 R)
• M23: 27,883,846 km (0.061 R)
• M24: 28,358,969 km (0.059 R)
• M25: 28,550,604 km (0.093 R)
• M26: 33,092,246 km (0.116 R)
• M27: 33,731,926 km (0.092 R)
• M28: 37,283,829 km (0.067 R)
• M29: 39,506,554 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.2

Radius: 7.7

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.19 AU - 8.67 AU

Year: 16895 Days

Day: 23.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,428,788 km

• M1: 95,743 km (0.07 R)
• M2: 375,790 km (0.082 R)
• M3: 864,077 km (0.063 R)
• M4: 1,242,710 km (0.058 R)
• M5: 1,615,956 km (0.079 R)
• M6: 2,376,811 km (0.067 R)
• M7: 2,979,840 km (0.075 R)
• M8: 3,850,500 km (0.097 R)
• M9: 5,156,190 km (0.117 R)
• M10: 6,084,145 km (0.089 R)
• M11: 6,818,372 km (0.073 R)
• M12: 7,207,027 km (0.089 R)
• M13: 7,747,973 km (0.057 R)
• M14: 10,523,013 km (0.079 R)
• M15: 11,278,632 km (0.112 R)
• M16: 12,383,861 km (0.119 R)
• M17: 12,897,580 km (0.048 R)
• M18: 16,589,656 km (0.042 R)
• M19: 21,111,551 km (0.038 R)
• M20: 21,752,129 km (0.057 R)
• M21: 23,751,355 km (0.107 R)
• M22: 29,789,873 km (0.084 R)
• M23: 33,839,338 km (0.108 R)
• M24: 37,172,827 km (0.084 R)
• M25: 40,159,399 km (0.085 R)
• M26: 41,997,358 km (0.057 R)
• M27: 50,557,947 km (0.093 R)
• M28: 61,683,840 km (0.075 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 12,984 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit