🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.9

Radius: 9.9

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.55 AU - 0.75 AU

Year: 362 Days

Day: 7.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,215,996 km

• M1: 123,119 km (0.114 R)
• M2: 470,037 km (0.112 R)
• M3: 919,129 km (0.111 R)
• M4: 1,252,433 km (0.077 R)
• M5: 1,607,728 km (0.093 R)
• M6: 1,923,829 km (0.118 R)
• M7: 2,393,716 km (0.119 R)
• M8: 3,611,143 km (0.085 R)
• M9: 4,238,257 km (0.085 R)
• M10: 4,681,665 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.5

Radius: 8.1

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.28 AU - 1.56 AU

Year: 1168 Days

Day: 11.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,215,996 km

• M1: 100,679 km (0.097 R)
• M2: 461,509 km (0.119 R)
• M3: 906,413 km (0.075 R)
• M4: 1,168,359 km (0.083 R)
• M5: 1,834,818 km (0.102 R)
• M6: 2,357,363 km (0.061 R)
• M7: 2,975,502 km (0.09 R)
• M8: 3,453,018 km (0.115 R)
• M9: 4,092,549 km (0.114 R)
• M10: 4,485,692 km (0.043 R)
• M11: 5,553,372 km (0.086 R)
• M12: 6,240,176 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490

Radius: 10.5

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.85 AU - 2.39 AU

Year: 2131 Days

Day: 10.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,215,996 km

• M1: 138,677 km (0.071 R)
• M2: 481,556 km (0.093 R)
• M3: 826,229 km (0.116 R)
• M4: 1,262,008 km (0.103 R)
• M5: 2,037,224 km (0.076 R)
• M6: 2,836,226 km (0.116 R)
• M7: 3,606,057 km (0.056 R)
• M8: 4,180,213 km (0.108 R)
• M9: 4,793,565 km (0.113 R)
• M10: 6,552,686 km (0.075 R)
• M11: 6,945,231 km (0.096 R)
• M12: 9,909,662 km (0.113 R)
• M13: 11,518,587 km (0.11 R)
• M14: 13,671,001 km (0.079 R)
• M15: 14,576,368 km (0.049 R)
• M16: 15,156,508 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.8

Radius: 14.8

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.68 AU - 3.46 AU

Year: 3713 Days

Day: 11.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,215,996 km

• M1: 184,005 km (0.053 R)
• M2: 683,662 km (0.082 R)
• M3: 1,271,881 km (0.054 R)
• M4: 2,030,641 km (0.076 R)
• M5: 2,938,252 km (0.067 R)
• M6: 4,064,275 km (0.094 R)
• M7: 4,610,158 km (0.057 R)
• M8: 5,850,773 km (0.095 R)
• M9: 6,389,624 km (0.101 R)
• M10: 7,717,455 km (0.103 R)
• M11: 9,671,054 km (0.06 R)
• M12: 10,763,268 km (0.12 R)
• M13: 13,410,851 km (0.107 R)
• M14: 14,351,971 km (0.09 R)
• M15: 15,241,181 km (0.1 R)
• M16: 16,923,708 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.7

Radius: 3.4

Gravity: 51.96 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.23 AU - 7.73 AU

Year: 11386 Days

Day: 16.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,215,996 km

• M1: 42,785 km (0.11 R)
• M2: 173,683 km (0.114 R)
• M3: 292,165 km (0.107 R)
• M4: 424,409 km (0.109 R)
• M5: 962,064 km (0.115 R)
• M6: 1,711,100 km (0.08 R)
• M7: 2,872,578 km (0.06 R)
• M8: 4,971,287 km (0.096 R)
• M9: 7,316,682 km (0.111 R)
• M10: 7,956,961 km (0.081 R)
• M11: 12,128,797 km (0.093 R)
• M12: 14,874,815 km (0.112 R)
• M13: 23,399,650 km (0.067 R)
• M14: 33,413,432 km (0.08 R)
• M15: 33,873,745 km (0.06 R)
• M16: 41,426,493 km (0.075 R)
• M17: 42,493,275 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.1

Radius: 6.7

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.45 AU - 7.29 AU

Year: 12429 Days

Day: 24.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,215,996 km

• M1: 83,326 km (0.04 R)
• M2: 388,206 km (0.097 R)
• M3: 627,862 km (0.042 R)
• M4: 885,919 km (0.09 R)
• M5: 1,415,046 km (0.079 R)
• M6: 1,808,189 km (0.09 R)
• M7: 2,038,869 km (0.105 R)
• M8: 3,017,389 km (0.088 R)
• M9: 3,232,511 km (0.115 R)
• M10: 4,171,836 km (0.063 R)
• M11: 4,718,766 km (0.106 R)
• M12: 5,069,124 km (0.117 R)
• M13: 10,490,401 km (0.097 R)
• M14: 14,359,152 km (0.092 R)
• M15: 15,283,218 km (0.026 R)
• M16: 18,222,068 km (0.075 R)
• M17: 18,721,874 km (0.115 R)
• M18: 19,230,956 km (0.102 R)
• M19: 19,451,762 km (0.114 R)
• M20: 21,675,684 km (0.093 R)
• M21: 23,640,054 km (0.069 R)
• M22: 24,752,015 km (0.104 R)
• M23: 27,264,960 km (0.119 R)
• M24: 30,839,751 km (0.118 R)
• M25: 32,686,686 km (0.099 R)
• M26: 33,530,867 km (0.12 R)
• M27: 36,599,568 km (0.081 R)
• M28: 38,085,972 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.3

Radius: 3.2

Gravity: 26.01 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.9 AU - 9.52 AU

Year: 19293 Days

Day: 16.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,215,996 km

• M1: 44,730 km (0.119 R)
• M2: 330,163 km (0.101 R)
• M3: 435,330 km (0.054 R)
• M4: 548,725 km (0.059 R)
• M5: 742,903 km (0.078 R)
• M6: 938,128 km (0.059 R)
• M7: 1,047,933 km (0.054 R)
• M8: 1,178,831 km (0.096 R)
• M9: 1,782,010 km (0.12 R)
• M10: 1,882,390 km (0.091 R)
• M11: 2,058,317 km (0.078 R)
• M12: 3,533,203 km (0.112 R)
• M13: 3,968,233 km (0.112 R)
• M14: 4,623,322 km (0.059 R)
• M15: 4,749,732 km (0.064 R)
• M16: 5,772,982 km (0.052 R)
• M17: 5,882,637 km (0.084 R)
• M18: 6,258,726 km (0.075 R)
• M19: 7,226,325 km (0.094 R)
• M20: 8,476,215 km (0.112 R)
• M21: 9,053,364 km (0.063 R)
• M22: 9,401,927 km (0.062 R)
• M23: 9,759,316 km (0.027 R)
• M24: 11,394,271 km (0.045 R)
• M25: 14,375,308 km (0.098 R)
• M26: 16,775,606 km (0.09 R)
• M27: 21,028,823 km (0.047 R)
• M28: 21,463,554 km (0.045 R)
• M29: 27,882,201 km (0.03 R)
• M30: 31,921,493 km (0.105 R)
• M31: 32,150,228 km (0.114 R)
• M32: 32,380,160 km (0.108 R)
• M33: 40,462,933 km (0.04 R)
• M34: 45,181,399 km (0.079 R)
• M35: 46,050,413 km (0.062 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: 256 - 15,846 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit