🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634

Radius: 14

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.43 AU - 0.71 AU

Year: 292 Days

Day: 13.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 9,498,785 km

• M1: 174,132 km (0.099 R)
• M2: 627,114 km (0.112 R)
• M3: 1,253,181 km (0.078 R)
• M4: 1,990,400 km (0.096 R)
• M5: 2,985,226 km (0.043 R)
• M6: 4,020,892 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.1

Radius: 13.5

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.66 AU - 0.7 AU

Year: 380 Days

Day: 8.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 9,498,785 km

• M1: 167,849 km (0.091 R)
• M2: 593,305 km (0.069 R)
• M3: 1,224,309 km (0.101 R)
• M4: 1,652,308 km (0.107 R)
• M5: 2,158,697 km (0.103 R)
• M6: 3,126,296 km (0.097 R)
• M7: 3,640,315 km (0.097 R)
• M8: 4,352,400 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.1

Radius: 9.3

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.73 AU - 2.29 AU

Year: 1933 Days

Day: 11.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 9,498,785 km

• M1: 115,789 km (0.107 R)
• M2: 547,977 km (0.05 R)
• M3: 966,552 km (0.085 R)
• M4: 1,528,591 km (0.085 R)
• M5: 2,071,332 km (0.084 R)
• M6: 2,407,329 km (0.11 R)
• M7: 2,807,802 km (0.077 R)
• M8: 3,557,737 km (0.105 R)
• M9: 3,989,027 km (0.088 R)
• M10: 4,358,833 km (0.118 R)
• M11: 4,751,528 km (0.104 R)
• M12: 5,253,728 km (0.119 R)
• M13: 5,884,133 km (0.101 R)
• M14: 7,935,868 km (0.101 R)
• M15: 9,138,485 km (0.057 R)
• M16: 10,150,964 km (0.068 R)
• M17: 10,949,367 km (0.085 R)
• M18: 12,014,803 km (0.072 R)
• M19: 13,027,581 km (0.056 R)
• M20: 13,678,481 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.4

Radius: 12.8

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.09 AU - 2.15 AU

Year: 2094 Days

Day: 6.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 9,498,785 km

• M1: 159,172 km (0.095 R)
• M2: 707,149 km (0.06 R)
• M3: 1,151,754 km (0.092 R)
• M4: 1,979,180 km (0.076 R)
• M5: 2,553,636 km (0.107 R)
• M6: 3,270,808 km (0.096 R)
• M7: 3,926,645 km (0.071 R)
• M8: 4,377,533 km (0.089 R)
• M9: 4,841,137 km (0.071 R)
• M10: 5,622,486 km (0.109 R)
• M11: 6,593,676 km (0.113 R)
• M12: 8,445,847 km (0.107 R)
• M13: 10,074,070 km (0.085 R)
• M14: 10,773,291 km (0.116 R)
• M15: 12,351,099 km (0.104 R)
• M16: 13,238,664 km (0.069 R)
• M17: 14,487,806 km (0.077 R)
• M18: 17,219,762 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.5

Radius: 12.2

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.68 AU - 2.7 AU

Year: 2198 Days

Day: 7.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 9,498,785 km

• M1: 151,692 km (0.071 R)
• M2: 550,221 km (0.082 R)
• M3: 1,192,744 km (0.063 R)
• M4: 1,602,642 km (0.119 R)
• M5: 2,455,799 km (0.083 R)
• M6: 3,150,531 km (0.084 R)
• M7: 3,702,697 km (0.115 R)
• M8: 4,360,628 km (0.065 R)
• M9: 4,818,996 km (0.078 R)
• M10: 7,101,860 km (0.038 R)
• M11: 7,491,861 km (0.073 R)
• M12: 8,647,056 km (0.1 R)
• M13: 9,303,043 km (0.079 R)
• M14: 12,651,492 km (0.102 R)
• M15: 13,092,207 km (0.099 R)
• M16: 13,911,106 km (0.098 R)
• M17: 16,783,684 km (0.111 R)
• M18: 19,096,318 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.2

Radius: 8.1

Gravity: 14.99 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.84 AU - 2.62 AU

Year: 2259 Days

Day: 12.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 9,498,785 km

• M1: 103,821 km (0.057 R)
• M2: 408,701 km (0.059 R)
• M3: 1,086,978 km (0.096 R)
• M4: 1,416,393 km (0.112 R)
• M5: 1,754,484 km (0.11 R)
• M6: 2,198,790 km (0.094 R)
• M7: 2,491,553 km (0.05 R)
• M8: 3,087,999 km (0.099 R)
• M9: 3,530,211 km (0.095 R)
• M10: 3,953,573 km (0.117 R)
• M11: 4,855,947 km (0.096 R)
• M12: 6,155,653 km (0.108 R)
• M13: 6,856,818 km (0.081 R)
• M14: 9,138,934 km (0.114 R)
• M15: 10,050,583 km (0.115 R)
• M16: 11,675,067 km (0.081 R)
• M17: 12,053,848 km (0.098 R)
• M18: 13,284,889 km (0.101 R)
• M19: 14,549,291 km (0.078 R)
• M20: 15,485,923 km (0.113 R)
• M21: 18,198,431 km (0.062 R)
• M22: 18,822,404 km (0.111 R)
• M23: 19,933,617 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.6

Radius: 8

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.62 AU - 5.66 AU

Year: 6779 Days

Day: 5.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 9,498,785 km

• M1: 104,868 km (0.06 R)
• M2: 527,183 km (0.118 R)
• M3: 815,907 km (0.096 R)
• M4: 1,075,309 km (0.04 R)
• M5: 1,546,842 km (0.074 R)
• M6: 2,139,848 km (0.081 R)
• M7: 4,663,714 km (0.092 R)
• M8: 5,244,153 km (0.104 R)
• M9: 6,078,012 km (0.117 R)
• M10: 6,548,647 km (0.044 R)
• M11: 8,731,130 km (0.048 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 19,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit