🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.6

Radius: 8.8

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.71 AU - 0.89 AU

Year: 477 Days

Day: 11.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,377,787 km

• M1: 109,506 km (0.086 R)
• M2: 403,316 km (0.036 R)
• M3: 714,180 km (0.069 R)
• M4: 1,191,098 km (0.089 R)
• M5: 1,567,187 km (0.098 R)
• M6: 2,266,408 km (0.074 R)
• M7: 2,762,474 km (0.095 R)
• M8: 3,054,041 km (0.118 R)
• M9: 3,793,503 km (0.119 R)
• M10: 4,126,508 km (0.119 R)
• M11: 4,404,012 km (0.093 R)
• M12: 4,883,622 km (0.028 R)
• M13: 5,227,997 km (0.106 R)
• M14: 5,676,790 km (0.106 R)
• M15: 6,264,261 km (0.094 R)
• M16: 6,553,434 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.4

Radius: 12.2

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.46 AU - 1.7 AU

Year: 1324 Days

Day: 11.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,377,787 km

• M1: 151,991 km (0.073 R)
• M2: 752,028 km (0.101 R)
• M3: 1,235,828 km (0.085 R)
• M4: 1,736,083 km (0.048 R)
• M5: 2,200,435 km (0.117 R)
• M6: 2,686,479 km (0.092 R)
• M7: 3,582,420 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.6

Radius: 10.3

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.28 AU - 2.64 AU

Year: 2573 Days

Day: 7.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,377,787 km

• M1: 128,205 km (0.085 R)
• M2: 574,456 km (0.118 R)
• M3: 1,057,657 km (0.084 R)
• M4: 2,085,394 km (0.046 R)
• M5: 2,756,790 km (0.1 R)
• M6: 3,510,314 km (0.077 R)
• M7: 4,203,251 km (0.108 R)
• M8: 5,423,372 km (0.11 R)
• M9: 6,047,793 km (0.112 R)
• M10: 8,929,198 km (0.071 R)
• M11: 10,179,537 km (0.112 R)
• M12: 10,766,858 km (0.098 R)
• M13: 11,710,970 km (0.055 R)
• M14: 13,161,022 km (0.082 R)
• M15: 13,576,456 km (0.104 R)
• M16: 14,336,562 km (0.113 R)
• M17: 14,825,897 km (0.115 R)
• M18: 17,719,120 km (0.11 R)
• M19: 20,473,516 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.4

Radius: 10.2

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2 AU - 3.12 AU

Year: 2731 Days

Day: 13.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,377,787 km

• M1: 128,056 km (0.106 R)
• M2: 543,040 km (0.081 R)
• M3: 1,275,172 km (0.041 R)
• M4: 1,702,125 km (0.089 R)
• M5: 2,083,749 km (0.098 R)
• M6: 2,920,300 km (0.068 R)
• M7: 3,359,819 km (0.069 R)
• M8: 4,203,102 km (0.08 R)
• M9: 5,096,500 km (0.071 R)
• M10: 6,990,559 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.3

Radius: 14.9

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.2 AU - 4.18 AU

Year: 4727 Days

Day: 13.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,377,787 km

• M1: 186,549 km (0.05 R)
• M2: 846,275 km (0.044 R)
• M3: 1,735,634 km (0.076 R)
• M4: 2,431,713 km (0.108 R)
• M5: 3,007,815 km (0.109 R)
• M6: 3,738,152 km (0.089 R)
• M7: 4,487,487 km (0.077 R)
• M8: 5,041,448 km (0.044 R)
• M9: 5,612,763 km (0.081 R)
• M10: 6,257,529 km (0.099 R)
• M11: 7,216,452 km (0.066 R)
• M12: 7,696,362 km (0.097 R)
• M13: 9,670,006 km (0.095 R)
• M14: 10,512,691 km (0.072 R)
• M15: 12,784,784 km (0.086 R)
• M16: 13,438,975 km (0.103 R)
• M17: 17,353,353 km (0.104 R)
• M18: 18,281,757 km (0.104 R)
• M19: 18,854,568 km (0.116 R)
• M20: 20,919,617 km (0.067 R)
• M21: 23,502,723 km (0.119 R)
• M22: 25,417,277 km (0.1 R)
• M23: 26,452,943 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.4

Radius: 8.3

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.16 AU - 5.08 AU

Year: 5577 Days

Day: 6 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,377,787 km

• M1: 103,223 km (0.029 R)
• M2: 432,487 km (0.112 R)
• M3: 1,012,478 km (0.066 R)
• M4: 1,472,342 km (0.076 R)
• M5: 1,762,113 km (0.059 R)
• M6: 2,042,310 km (0.066 R)
• M7: 2,512,496 km (0.098 R)
• M8: 2,884,845 km (0.1 R)
• M9: 3,704,642 km (0.093 R)
• M10: 4,465,945 km (0.04 R)
• M11: 5,701,773 km (0.067 R)
• M12: 6,555,229 km (0.106 R)
• M13: 7,095,726 km (0.036 R)
• M14: 8,451,233 km (0.093 R)
• M15: 10,577,168 km (0.119 R)
• M16: 11,131,578 km (0.095 R)
• M17: 12,500,548 km (0.058 R)
• M18: 13,373,900 km (0.09 R)
• M19: 13,717,078 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.1

Radius: 11.2

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.19 AU - 6.51 AU

Year: 8252 Days

Day: 8.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,377,787 km

• M1: 139,724 km (0.109 R)
• M2: 494,571 km (0.101 R)
• M3: 864,077 km (0.097 R)
• M4: 1,703,621 km (0.035 R)
• M5: 2,111,873 km (0.032 R)
• M6: 2,548,101 km (0.072 R)
• M7: 3,194,513 km (0.096 R)
• M8: 3,676,218 km (0.083 R)
• M9: 4,503,345 km (0.047 R)
• M10: 6,209,508 km (0.113 R)
• M11: 8,913,789 km (0.111 R)
• M12: 10,899,102 km (0.083 R)
• M13: 11,621,959 km (0.109 R)
• M14: 11,995,206 km (0.107 R)
• M15: 15,339,915 km (0.099 R)
• M16: 16,181,702 km (0.077 R)
• M17: 16,580,530 km (0.099 R)
• M18: 17,191,189 km (0.072 R)
• M19: 19,558,874 km (0.112 R)
• M20: 22,876,806 km (0.112 R)
• M21: 27,014,982 km (0.062 R)
• M22: 31,215,391 km (0.083 R)
• M23: 33,096,285 km (0.118 R)
• M24: 35,719,932 km (0.079 R)
• M25: 39,790,341 km (0.071 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: 188 - 14,498 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit