🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.6

Radius: 8.2

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.64 AU - 0.74 AU

Year: 364 Days

Day: 8.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,051,885 km

• M1: 102,026 km (0.117 R)
• M2: 394,639 km (0.114 R)
• M3: 793,467 km (0.087 R)
• M4: 1,315,564 km (0.041 R)
• M5: 1,589,178 km (0.116 R)
• M6: 1,936,245 km (0.115 R)
• M7: 2,227,662 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.6

Radius: 12.6

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.62 AU - 0.92 AU

Year: 430 Days

Day: 9.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,051,885 km

• M1: 156,629 km (0.108 R)
• M2: 580,290 km (0.109 R)
• M3: 1,243,158 km (0.029 R)
• M4: 1,812,677 km (0.103 R)
• M5: 2,352,875 km (0.064 R)
• M6: 2,895,766 km (0.068 R)
• M7: 3,556,839 km (0.111 R)
• M8: 4,090,903 km (0.098 R)
• M9: 4,564,680 km (0.102 R)
• M10: 5,431,001 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.4

Radius: 14.7

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.11 AU - 1.19 AU

Year: 784 Days

Day: 6.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,051,885 km

• M1: 192,682 km (0.108 R)
• M2: 742,305 km (0.102 R)
• M3: 1,329,027 km (0.088 R)
• M4: 1,969,306 km (0.047 R)
• M5: 2,730,760 km (0.12 R)
• M6: 3,338,576 km (0.114 R)
• M7: 4,395,933 km (0.104 R)
• M8: 5,218,123 km (0.117 R)
• M9: 6,202,029 km (0.084 R)
• M10: 6,990,858 km (0.049 R)
• M11: 7,537,638 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.3

Radius: 12.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.3 AU - 1.58 AU

Year: 1099 Days

Day: 6 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,051,885 km

• M1: 160,369 km (0.094 R)
• M2: 1,012,628 km (0.096 R)
• M3: 1,829,283 km (0.113 R)
• M4: 2,542,416 km (0.073 R)
• M5: 3,713,917 km (0.096 R)
• M6: 5,255,972 km (0.114 R)
• M7: 6,064,398 km (0.029 R)
• M8: 6,655,908 km (0.085 R)
• M9: 7,118,465 km (0.094 R)
• M10: 7,602,713 km (0.099 R)
• M11: 8,160,564 km (0.084 R)
• M12: 9,940,779 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424

Radius: 14.9

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.41 AU - 1.63 AU

Year: 1192 Days

Day: 8.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,051,885 km

• M1: 185,352 km (0.1 R)
• M2: 649,554 km (0.07 R)
• M3: 1,123,929 km (0.094 R)
• M4: 2,040,216 km (0.112 R)
• M5: 3,026,814 km (0.062 R)
• M6: 3,718,255 km (0.094 R)
• M7: 4,898,433 km (0.11 R)
• M8: 5,876,653 km (0.094 R)
• M9: 6,467,266 km (0.099 R)
• M10: 7,050,847 km (0.081 R)
• M11: 8,507,033 km (0.11 R)
• M12: 9,746,600 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.7

Radius: 13.1

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.22 AU - 3.24 AU

Year: 3691 Days

Day: 7.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,051,885 km

• M1: 162,912 km (0.056 R)
• M2: 599,738 km (0.097 R)
• M3: 1,221,766 km (0.096 R)
• M4: 1,972,448 km (0.1 R)
• M5: 2,573,831 km (0.099 R)
• M6: 2,986,273 km (0.063 R)
• M7: 4,047,071 km (0.104 R)
• M8: 4,776,959 km (0.097 R)
• M9: 6,952,411 km (0.107 R)
• M10: 7,841,472 km (0.091 R)
• M11: 8,634,191 km (0.051 R)
• M12: 9,419,729 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.9

Radius: 14.4

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.8 AU - 3.72 AU

Year: 3742 Days

Day: 10.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,051,885 km

• M1: 179,218 km (0.109 R)
• M2: 675,584 km (0.079 R)
• M3: 1,448,107 km (0.099 R)
• M4: 1,998,777 km (0.09 R)
• M5: 2,737,641 km (0.102 R)
• M6: 3,458,852 km (0.058 R)
• M7: 4,600,135 km (0.11 R)
• M8: 5,182,519 km (0.088 R)
• M9: 5,896,250 km (0.092 R)
• M10: 6,466,518 km (0.09 R)
• M11: 7,105,001 km (0.045 R)
• M12: 8,723,351 km (0.064 R)
• M13: 10,783,314 km (0.107 R)
• M14: 11,771,408 km (0.083 R)
• M15: 12,725,692 km (0.079 R)
• M16: 15,953,715 km (0.048 R)
• M17: 18,951,058 km (0.035 R)
• M18: 20,711,676 km (0.098 R)
• M19: 22,579,255 km (0.108 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 16,375 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit