🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.1

Radius: 14.6

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.64 AU - 0.86 AU

Year: 441 Days

Day: 5.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,227,026 km

• M1: 182,061 km (0.064 R)
• M2: 646,712 km (0.049 R)
• M3: 1,215,632 km (0.066 R)
• M4: 1,849,179 km (0.072 R)
• M5: 2,353,175 km (0.093 R)
• M6: 2,949,771 km (0.106 R)
• M7: 3,523,179 km (0.111 R)
• M8: 4,088,959 km (0.111 R)
• M9: 4,670,745 km (0.071 R)
• M10: 5,131,057 km (0.118 R)
• M11: 6,072,477 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.3

Radius: 8.6

Gravity: 11.43 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.87 AU - 1.29 AU

Year: 761 Days

Day: 9.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,227,026 km

• M1: 107,112 km (0.09 R)
• M2: 386,860 km (0.06 R)
• M3: 656,735 km (0.06 R)
• M4: 972,386 km (0.041 R)
• M5: 1,405,322 km (0.102 R)
• M6: 2,049,192 km (0.089 R)
• M7: 2,346,143 km (0.066 R)
• M8: 3,318,978 km (0.095 R)
• M9: 3,628,646 km (0.072 R)
• M10: 3,896,426 km (0.105 R)
• M11: 4,177,371 km (0.089 R)
• M12: 4,522,344 km (0.106 R)
• M13: 6,850,236 km (0.085 R)
• M14: 7,982,393 km (0.034 R)

Asteroid Belt

Center: 1.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.5

Radius: 12.2

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.19 AU - 3.17 AU

Year: 2976 Days

Day: 14.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,227,026 km

• M1: 151,692 km (0.068 R)
• M2: 682,166 km (0.117 R)
• M3: 1,066,782 km (0.113 R)
• M4: 1,948,063 km (0.062 R)
• M5: 2,372,323 km (0.077 R)
• M6: 2,891,128 km (0.095 R)
• M7: 3,284,421 km (0.117 R)
• M8: 3,694,020 km (0.103 R)
• M9: 4,243,942 km (0.116 R)
• M10: 5,257,019 km (0.107 R)
• M11: 6,117,805 km (0.073 R)
• M12: 7,070,444 km (0.068 R)
• M13: 11,090,289 km (0.12 R)
• M14: 11,633,628 km (0.116 R)
• M15: 12,638,477 km (0.094 R)
• M16: 14,083,293 km (0.088 R)
• M17: 14,522,662 km (0.084 R)
• M18: 16,106,754 km (0.049 R)
• M19: 18,958,987 km (0.112 R)
• M20: 20,848,558 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.3

Radius: 12.3

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.48 AU - 4.5 AU

Year: 5406 Days

Day: 13.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 25,227,026 km

• M1: 153,039 km (0.107 R)
• M2: 566,228 km (0.098 R)
• M3: 1,484,011 km (0.107 R)
• M4: 1,883,437 km (0.09 R)
• M5: 2,725,972 km (0.089 R)
• M6: 3,234,156 km (0.078 R)
• M7: 5,402,877 km (0.052 R)
• M8: 6,336,218 km (0.084 R)
• M9: 6,725,322 km (0.08 R)
• M10: 7,164,840 km (0.118 R)
• M11: 8,367,607 km (0.108 R)
• M12: 9,828,431 km (0.042 R)
• M13: 10,984,672 km (0.026 R)
• M14: 12,835,049 km (0.071 R)
• M15: 13,726,951 km (0.086 R)
• M16: 14,380,993 km (0.051 R)
• M17: 16,958,564 km (0.111 R)
• M18: 19,488,414 km (0.066 R)
• M19: 20,175,666 km (0.076 R)
• M20: 24,248,020 km (0.118 R)
• M21: 24,962,798 km (0.096 R)
• M22: 27,963,582 km (0.051 R)
• M23: 28,573,941 km (0.084 R)
• M24: 29,371,448 km (0.06 R)
• M25: 30,002,152 km (0.1 R)
• M26: 30,918,589 km (0.04 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113

Radius: 6.2

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.44 AU - 7.1 AU

Year: 9401 Days

Day: 23.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,227,026 km

• M1: 77,342 km (0.078 R)
• M2: 387,159 km (0.055 R)
• M3: 647,160 km (0.071 R)
• M4: 1,289,982 km (0.091 R)
• M5: 1,523,505 km (0.058 R)
• M6: 1,760,169 km (0.076 R)
• M7: 2,353,623 km (0.047 R)
• M8: 2,841,163 km (0.097 R)
• M9: 3,335,434 km (0.119 R)
• M10: 6,070,981 km (0.058 R)
• M11: 7,675,119 km (0.095 R)
• M12: 7,880,816 km (0.035 R)
• M13: 8,125,408 km (0.035 R)
• M14: 10,022,609 km (0.088 R)
• M15: 12,857,488 km (0.099 R)
• M16: 13,196,776 km (0.034 R)
• M17: 17,099,485 km (0.064 R)
• M18: 18,107,476 km (0.079 R)
• M19: 18,533,830 km (0.1 R)
• M20: 20,371,939 km (0.115 R)
• M21: 21,844,879 km (0.12 R)
• M22: 24,628,297 km (0.111 R)
• M23: 24,851,647 km (0.065 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 17,262 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit