🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.7

Radius: 10.1

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.5 AU - 0.58 AU

Year: 265 Days

Day: 9.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,400,001 km

• M1: 125,662 km (0.107 R)
• M2: 522,695 km (0.081 R)
• M3: 869,313 km (0.059 R)
• M4: 1,280,259 km (0.1 R)
• M5: 1,670,260 km (0.1 R)
• M6: 2,116,062 km (0.071 R)
• M7: 2,453,555 km (0.114 R)
• M8: 3,063,465 km (0.117 R)
• M9: 3,724,837 km (0.114 R)
• M10: 4,046,922 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885

Radius: 14.6

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.69 AU - 0.91 AU

Year: 477 Days

Day: 10.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,400,001 km

• M1: 181,612 km (0.105 R)
• M2: 739,612 km (0.078 R)
• M3: 1,368,372 km (0.077 R)
• M4: 1,901,688 km (0.07 R)
• M5: 2,378,157 km (0.098 R)
• M6: 2,946,330 km (0.105 R)
• M7: 3,403,651 km (0.069 R)
• M8: 5,253,578 km (0.038 R)
• M9: 5,950,555 km (0.083 R)
• M10: 6,474,745 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.8

Radius: 12.1

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.82 AU - 1.18 AU

Year: 667 Days

Day: 5.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,400,001 km

• M1: 150,495 km (0.114 R)
• M2: 575,653 km (0.058 R)
• M3: 1,024,446 km (0.098 R)
• M4: 1,555,668 km (0.118 R)
• M5: 2,075,371 km (0.078 R)
• M6: 2,632,025 km (0.101 R)
• M7: 3,365,952 km (0.112 R)
• M8: 3,844,067 km (0.12 R)
• M9: 4,519,202 km (0.049 R)
• M10: 5,210,195 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.5

Radius: 11.6

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.46 AU - 1.7 AU

Year: 1324 Days

Day: 9.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,400,001 km

• M1: 144,362 km (0.094 R)
• M2: 807,230 km (0.074 R)
• M3: 1,282,951 km (0.045 R)
• M4: 2,067,293 km (0.098 R)
• M5: 2,693,360 km (0.116 R)
• M6: 3,456,160 km (0.043 R)
• M7: 4,134,287 km (0.051 R)
• M8: 5,059,550 km (0.114 R)
• M9: 6,056,470 km (0.116 R)
• M10: 6,494,492 km (0.048 R)
• M11: 7,791,356 km (0.098 R)
• M12: 8,159,816 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.9

Radius: 11.4

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.89 AU - 3.61 AU

Year: 3907 Days

Day: 7.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 121 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,400,001 km

• M1: 146,157 km (0.08 R)
• M2: 610,509 km (0.09 R)
• M3: 3,532,604 km (0.105 R)
• M4: 4,538,351 km (0.114 R)
• M5: 6,198,139 km (0.074 R)
• M6: 8,576,446 km (0.092 R)
• M7: 10,417,098 km (0.094 R)
• M8: 12,839,536 km (0.101 R)
• M9: 13,783,050 km (0.098 R)
• M10: 15,283,966 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.4

Radius: 4.6

Gravity: 43.31 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.41 AU - 7.33 AU

Year: 9484 Days

Day: 23.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 33,400,001 km

• M1: 60,438 km (0.089 R)
• M2: 325,525 km (0.119 R)
• M3: 592,108 km (0.101 R)
• M4: 815,308 km (0.047 R)
• M5: 1,070,822 km (0.027 R)
• M6: 2,006,257 km (0.066 R)
• M7: 2,203,427 km (0.111 R)
• M8: 2,574,430 km (0.084 R)
• M9: 3,966,588 km (0.095 R)
• M10: 4,728,789 km (0.062 R)
• M11: 5,549,483 km (0.106 R)
• M12: 6,196,493 km (0.064 R)
• M13: 6,461,132 km (0.102 R)
• M14: 12,018,843 km (0.096 R)
• M15: 13,220,113 km (0.035 R)
• M16: 16,354,039 km (0.078 R)
• M17: 17,153,041 km (0.114 R)
• M18: 19,463,730 km (0.047 R)
• M19: 20,113,284 km (0.116 R)
• M20: 22,856,460 km (0.073 R)
• M21: 28,965,738 km (0.096 R)
• M22: 29,811,864 km (0.096 R)
• M23: 32,110,884 km (0.094 R)
• M24: 40,624,349 km (0.085 R)
• M25: 41,019,437 km (0.044 R)
• M26: 41,951,432 km (0.051 R)
• M27: 44,552,041 km (0.085 R)
• M28: 45,395,025 km (0.064 R)
• M29: 47,257,967 km (0.055 R)
• M30: 48,134,760 km (0.096 R)
• M31: 49,022,325 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.4

Radius: 7.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.9 AU - 8.72 AU

Year: 14555 Days

Day: 24.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,400,001 km

• M1: 93,947 km (0.109 R)
• M2: 415,134 km (0.046 R)
• M3: 1,268,590 km (0.099 R)
• M4: 1,647,222 km (0.1 R)
• M5: 3,008,563 km (0.098 R)
• M6: 3,662,754 km (0.114 R)
• M7: 3,987,830 km (0.091 R)
• M8: 5,544,546 km (0.106 R)
• M9: 5,818,011 km (0.065 R)
• M10: 8,865,469 km (0.12 R)
• M11: 9,155,988 km (0.08 R)
• M12: 9,843,989 km (0.067 R)
• M13: 16,577,239 km (0.074 R)
• M14: 18,190,054 km (0.117 R)
• M15: 23,415,508 km (0.088 R)
• M16: 25,109,554 km (0.081 R)
• M17: 26,453,990 km (0.07 R)
• M18: 32,508,814 km (0.112 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: 221 - 15,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit