🌌 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: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772

Radius: 13.5

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.54 AU - 0.62 AU

Year: 295 Days

Day: 9.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,797,885 km

• M1: 167,849 km (0.106 R)
• M2: 662,868 km (0.114 R)
• M3: 1,204,562 km (0.116 R)
• M4: 1,688,810 km (0.099 R)
• M5: 2,135,360 km (0.038 R)
• M6: 3,138,414 km (0.103 R)
• M7: 3,637,921 km (0.105 R)
• M8: 4,369,754 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.4

Radius: 14

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.62 AU - 0.74 AU

Year: 374 Days

Day: 7.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 78,797,885 km

• M1: 174,132 km (0.114 R)
• M2: 981,661 km (0.099 R)
• M3: 1,500,167 km (0.08 R)
• M4: 3,251,510 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.6

Radius: 10.3

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.82 AU - 1.04 AU

Year: 598 Days

Day: 8.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,797,885 km

• M1: 128,505 km (0.109 R)
• M2: 476,320 km (0.034 R)
• M3: 913,445 km (0.082 R)
• M4: 1,541,008 km (0.095 R)
• M5: 2,083,001 km (0.086 R)
• M6: 2,667,928 km (0.074 R)
• M7: 3,086,952 km (0.09 R)
• M8: 4,179,316 km (0.105 R)
• M9: 4,836,499 km (0.042 R)
• M10: 5,594,512 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.1

Radius: 10.5

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.77 AU - 2.91 AU

Year: 2387 Days

Day: 5.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,797,885 km

• M1: 130,599 km (0.104 R)
• M2: 521,498 km (0.095 R)
• M3: 990,637 km (0.069 R)
• M4: 1,489,696 km (0.088 R)
• M5: 1,950,158 km (0.094 R)
• M6: 2,435,453 km (0.068 R)
• M7: 2,987,170 km (0.12 R)
• M8: 3,399,761 km (0.097 R)
• M9: 4,374,990 km (0.098 R)
• M10: 4,890,803 km (0.036 R)
• M11: 5,689,207 km (0.064 R)
• M12: 6,238,979 km (0.05 R)
• M13: 7,034,840 km (0.098 R)
• M14: 7,519,238 km (0.083 R)
• M15: 8,717,966 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97

Radius: 4.4

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8.29 AU - 12.39 AU

Year: 22172 Days

Day: 22.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,797,885 km

• M1: 54,902 km (0.071 R)
• M2: 225,294 km (0.118 R)
• M3: 733,628 km (0.109 R)
• M4: 889,808 km (0.106 R)
• M5: 1,812,079 km (0.07 R)
• M6: 2,084,048 km (0.053 R)
• M7: 4,265,634 km (0.105 R)
• M8: 5,390,011 km (0.116 R)
• M9: 5,649,713 km (0.057 R)
• M10: 6,264,411 km (0.057 R)
• M11: 8,946,701 km (0.078 R)
• M12: 11,333,834 km (0.084 R)
• M13: 17,953,540 km (0.08 R)
• M14: 23,191,709 km (0.068 R)
• M15: 23,533,241 km (0.119 R)
• M16: 25,201,257 km (0.045 R)
• M17: 25,835,253 km (0.057 R)
• M18: 26,946,616 km (0.107 R)
• M19: 27,704,927 km (0.102 R)
• M20: 29,165,002 km (0.089 R)
• M21: 30,983,963 km (0.072 R)
• M22: 37,240,445 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.1

Radius: 4.1

Gravity: 31.18 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 10.21 AU - 11.65 AU

Year: 24097 Days

Day: 16.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,797,885 km

• M1: 51,761 km (0.099 R)
• M2: 306,227 km (0.106 R)
• M3: 510,278 km (0.092 R)
• M4: 739,313 km (0.034 R)
• M5: 1,266,645 km (0.109 R)
• M6: 1,549,834 km (0.108 R)
• M7: 4,722,206 km (0.112 R)
• M8: 5,166,811 km (0.092 R)
• M9: 6,443,928 km (0.069 R)
• M10: 10,744,568 km (0.045 R)
• M11: 10,932,912 km (0.068 R)
• M12: 14,405,377 km (0.077 R)
• M13: 14,788,348 km (0.098 R)
• M14: 15,099,811 km (0.115 R)
• M15: 19,368,736 km (0.055 R)
• M16: 20,213,963 km (0.067 R)
• M17: 21,877,043 km (0.089 R)
• M18: 24,485,282 km (0.073 R)
• M19: 27,997,840 km (0.068 R)
• M20: 33,007,274 km (0.097 R)
• M21: 33,139,668 km (0.075 R)
• M22: 38,143,717 km (0.047 R)
• M23: 40,369,434 km (0.04 R)
• M24: 41,745,585 km (0.084 R)
• M25: 50,488,683 km (0.117 R)
• M26: 52,085,042 km (0.073 R)
• M27: 54,265,431 km (0.097 R)
• M28: 57,075,627 km (0.087 R)
• M29: 58,226,334 km (0.07 R)
• M30: 68,208,252 km (0.063 R)
• M31: 72,143,723 km (0.096 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 19,271 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit