🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.7

Radius: 9.2

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.54 AU - 0.64 AU

Year: 307 Days

Day: 8.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,465,616 km

• M1: 114,442 km (0.065 R)
• M2: 555,307 km (0.098 R)
• M3: 983,606 km (0.109 R)
• M4: 1,690,606 km (0.098 R)
• M5: 2,279,124 km (0.108 R)
• M6: 2,892,026 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.6

Radius: 12.7

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.55 AU - 0.69 AU

Year: 331 Days

Day: 14.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 20,465,616 km

• M1: 158,275 km (0.111 R)
• M2: 569,369 km (0.12 R)
• M3: 1,425,369 km (0.107 R)
• M4: 2,262,219 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.2

Radius: 10.8

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.56 AU - 2.32 AU

Year: 1833 Days

Day: 12.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,465,616 km

• M1: 134,339 km (0.031 R)
• M2: 477,666 km (0.111 R)
• M3: 946,356 km (0.108 R)
• M4: 1,571,825 km (0.085 R)
• M5: 3,260,635 km (0.11 R)
• M6: 3,602,616 km (0.091 R)
• M7: 5,183,117 km (0.053 R)
• M8: 6,168,519 km (0.098 R)
• M9: 7,025,266 km (0.06 R)
• M10: 8,355,490 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.1

Radius: 12.5

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.29 AU - 2.95 AU

Year: 2876 Days

Day: 8.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,465,616 km

• M1: 155,432 km (0.042 R)
• M2: 575,353 km (0.08 R)
• M3: 1,127,669 km (0.093 R)
• M4: 1,760,318 km (0.1 R)
• M5: 2,537,329 km (0.081 R)
• M6: 2,928,678 km (0.112 R)
• M7: 3,601,569 km (0.092 R)
• M8: 4,275,208 km (0.043 R)
• M9: 4,727,293 km (0.112 R)
• M10: 5,583,890 km (0.103 R)
• M11: 6,948,223 km (0.067 R)
• M12: 7,723,588 km (0.118 R)
• M13: 8,428,793 km (0.101 R)
• M14: 8,878,783 km (0.106 R)
• M15: 10,618,756 km (0.115 R)
• M16: 11,805,815 km (0.102 R)
• M17: 12,247,727 km (0.097 R)
• M18: 12,868,110 km (0.102 R)
• M19: 14,533,732 km (0.032 R)
• M20: 15,229,362 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.6

Radius: 14.7

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.15 AU - 3.43 AU

Year: 3161 Days

Day: 6 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,465,616 km

• M1: 182,809 km (0.103 R)
• M2: 664,514 km (0.072 R)
• M3: 1,436,289 km (0.098 R)
• M4: 1,990,250 km (0.063 R)
• M5: 3,148,138 km (0.099 R)
• M6: 3,662,455 km (0.097 R)
• M7: 4,188,740 km (0.098 R)
• M8: 4,717,718 km (0.077 R)
• M9: 5,291,127 km (0.034 R)
• M10: 5,995,434 km (0.106 R)
• M11: 6,761,674 km (0.113 R)
• M12: 10,251,493 km (0.043 R)
• M13: 10,960,587 km (0.052 R)
• M14: 11,791,454 km (0.114 R)
• M15: 13,481,012 km (0.114 R)
• M16: 15,759,088 km (0.109 R)
• M17: 16,818,241 km (0.1 R)
• M18: 17,569,821 km (0.083 R)
• M19: 19,390,128 km (0.106 R)
• M20: 21,872,705 km (0.098 R)
• M21: 23,049,142 km (0.096 R)
• M22: 23,545,807 km (0.1 R)
• M23: 24,122,058 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.2

Radius: 12.1

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.58 AU - 3.1 AU

Year: 3246 Days

Day: 11.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,465,616 km

• M1: 150,495 km (0.092 R)
• M2: 594,053 km (0.098 R)
• M3: 1,252,882 km (0.096 R)
• M4: 1,755,381 km (0.092 R)
• M5: 2,262,518 km (0.081 R)
• M6: 2,691,714 km (0.084 R)
• M7: 3,143,650 km (0.045 R)
• M8: 4,124,862 km (0.085 R)
• M9: 4,729,088 km (0.051 R)
• M10: 5,119,538 km (0.114 R)
• M11: 7,012,699 km (0.085 R)
• M12: 7,756,500 km (0.118 R)
• M13: 8,426,399 km (0.075 R)
• M14: 10,092,471 km (0.094 R)
• M15: 10,780,023 km (0.067 R)
• M16: 13,456,328 km (0.11 R)
• M17: 14,741,673 km (0.078 R)
• M18: 15,865,901 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.3

Radius: 14.1

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.85 AU - 3.47 AU

Year: 3810 Days

Day: 9.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,465,616 km

• M1: 175,329 km (0.101 R)
• M2: 616,044 km (0.11 R)
• M3: 1,090,868 km (0.079 R)
• M4: 1,822,551 km (0.081 R)
• M5: 2,322,507 km (0.064 R)
• M6: 3,077,976 km (0.09 R)
• M7: 5,444,615 km (0.062 R)
• M8: 6,840,811 km (0.092 R)
• M9: 7,499,042 km (0.084 R)
• M10: 8,166,249 km (0.056 R)
• M11: 10,141,240 km (0.116 R)
• M12: 11,321,866 km (0.097 R)
• M13: 13,861,739 km (0.115 R)
• M14: 15,065,852 km (0.085 R)
• M15: 16,496,008 km (0.048 R)
• M16: 16,974,422 km (0.067 R)
• M17: 17,847,774 km (0.103 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: 319 - 18,000 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit