🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.8

Radius: 8.1

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.75 AU - 0.93 AU

Year: 489 Days

Day: 11.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 12,265,661 km

• M1: 100,829 km (0.103 R)
• M2: 393,143 km (0.092 R)
• M3: 672,592 km (0.115 R)
• M4: 1,127,220 km (0.09 R)
• M5: 1,388,717 km (0.059 R)
• M6: 1,762,113 km (0.095 R)
• M7: 2,829,045 km (0.119 R)
• M8: 3,259,588 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.7

Radius: 8

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.74 AU - 1 AU

Year: 516 Days

Day: 9.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 63.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 12,265,661 km

• M1: 113,844 km (0.119 R)
• M2: 408,103 km (0.095 R)
• M3: 701,464 km (0.098 R)
• M4: 969,095 km (0.1 R)
• M5: 1,353,113 km (0.095 R)
• M6: 2,115,015 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.3

Radius: 10.2

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.84 AU - 0.96 AU

Year: 543 Days

Day: 10 Hours

Environment

Temp: -151 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 12,265,661 km

• M1: 126,859 km (0.067 R)
• M2: 448,195 km (0.077 R)
• M3: 824,434 km (0.084 R)
• M4: 1,263,204 km (0.12 R)
• M5: 1,614,909 km (0.086 R)
• M6: 2,334,325 km (0.108 R)
• M7: 2,784,016 km (0.034 R)
• M8: 3,146,941 km (0.064 R)
• M9: 3,606,057 km (0.089 R)
• M10: 4,415,830 km (0.083 R)
• M11: 4,992,829 km (0.071 R)
• M12: 6,335,769 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.5

Radius: 12.2

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.81 AU - 1.31 AU

Year: 694 Days

Day: 14.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 12,265,661 km

• M1: 151,842 km (0.032 R)
• M2: 553,213 km (0.111 R)
• M3: 1,068,578 km (0.116 R)
• M4: 1,663,678 km (0.103 R)
• M5: 2,174,255 km (0.093 R)
• M6: 2,637,859 km (0.101 R)
• M7: 3,388,541 km (0.071 R)
• M8: 3,932,030 km (0.118 R)
• M9: 4,456,820 km (0.081 R)
• M10: 4,896,937 km (0.057 R)
• M11: 5,314,464 km (0.066 R)
• M12: 6,317,668 km (0.073 R)
• M13: 6,957,049 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.9

Radius: 11.1

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.48 AU - 1.66 AU

Year: 1251 Days

Day: 10.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 12,265,661 km

• M1: 138,079 km (0.054 R)
• M2: 502,948 km (0.101 R)
• M3: 901,327 km (0.102 R)
• M4: 1,262,456 km (0.086 R)
• M5: 1,978,133 km (0.096 R)
• M6: 2,351,679 km (0.088 R)
• M7: 2,892,475 km (0.113 R)
• M8: 3,561,477 km (0.089 R)
• M9: 4,604,473 km (0.09 R)
• M10: 5,106,823 km (0.069 R)
• M11: 6,595,321 km (0.086 R)
• M12: 6,959,293 km (0.113 R)
• M13: 7,413,921 km (0.108 R)
• M14: 8,354,891 km (0.093 R)
• M15: 8,752,822 km (0.118 R)
• M16: 10,769,401 km (0.1 R)
• M17: 11,413,270 km (0.1 R)
• M18: 11,868,347 km (0.092 R)

Asteroid Belt

Center: 2.62 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.6

Radius: 13.5

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.26 AU - 4.08 AU

Year: 4470 Days

Day: 10.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 12,265,661 km

• M1: 178,620 km (0.119 R)
• M2: 679,474 km (0.111 R)
• M3: 1,211,743 km (0.101 R)
• M4: 1,831,826 km (0.037 R)
• M5: 2,408,077 km (0.116 R)
• M6: 2,961,888 km (0.06 R)
• M7: 3,422,500 km (0.049 R)
• M8: 4,305,876 km (0.109 R)
• M9: 5,362,485 km (0.074 R)
• M10: 5,853,465 km (0.081 R)
• M11: 6,646,484 km (0.094 R)
• M12: 10,935,754 km (0.086 R)
• M13: 11,460,244 km (0.027 R)
• M14: 12,093,342 km (0.041 R)
• M15: 14,442,777 km (0.052 R)
• M16: 15,181,940 km (0.043 R)
• M17: 15,670,377 km (0.114 R)
• M18: 16,337,733 km (0.083 R)
• M19: 20,616,382 km (0.099 R)
• M20: 21,485,994 km (0.068 R)
• M21: 21,964,259 km (0.114 R)
• M22: 23,441,837 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.6

Radius: 10.3

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.09 AU - 4.33 AU

Year: 4544 Days

Day: 10.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 12,265,661 km

• M1: 132,394 km (0.12 R)
• M2: 465,698 km (0.079 R)
• M3: 864,825 km (0.068 R)
• M4: 1,487,302 km (0.044 R)
• M5: 2,294,083 km (0.101 R)
• M6: 3,192,119 km (0.089 R)
• M7: 3,554,595 km (0.071 R)
• M8: 4,399,225 km (0.097 R)
• M9: 4,811,068 km (0.117 R)
• M10: 5,456,134 km (0.076 R)
• M11: 6,771,548 km (0.074 R)
• M12: 9,922,528 km (0.075 R)
• M13: 11,869,544 km (0.081 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: 285 - 16,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit