🌌 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: 487.8

Radius: 13.8

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.47 AU - 0.61 AU

Year: 279 Days

Day: 10.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,545,428 km

• M1: 171,589 km (0.098 R)
• M2: 650,751 km (0.093 R)
• M3: 1,210,396 km (0.106 R)
• M4: 1,747,453 km (0.109 R)
• M5: 2,419,297 km (0.092 R)
• M6: 3,113,132 km (0.106 R)
• M7: 3,555,193 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.5

Radius: 14.7

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.12 AU - 1.22 AU

Year: 890 Days

Day: 6.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,545,428 km

• M1: 184,604 km (0.088 R)
• M2: 793,018 km (0.118 R)
• M3: 1,293,722 km (0.118 R)
• M4: 1,845,589 km (0.063 R)
• M5: 2,466,420 km (0.089 R)
• M6: 3,119,864 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.3

Radius: 14.5

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.34 AU - 1.44 AU

Year: 1152 Days

Day: 14.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,545,428 km

• M1: 180,265 km (0.043 R)
• M2: 679,474 km (0.078 R)
• M3: 1,170,005 km (0.105 R)
• M4: 2,134,313 km (0.077 R)
• M5: 2,776,088 km (0.104 R)
• M6: 3,308,207 km (0.053 R)
• M7: 4,395,335 km (0.108 R)
• M8: 5,427,261 km (0.029 R)
• M9: 5,966,262 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.8

Radius: 11.3

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.84 AU - 2.7 AU

Year: 2404 Days

Day: 12.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,545,428 km

• M1: 140,622 km (0.084 R)
• M2: 548,725 km (0.055 R)
• M3: 972,386 km (0.116 R)
• M4: 1,746,256 km (0.082 R)
• M5: 2,314,877 km (0.07 R)
• M6: 2,924,638 km (0.086 R)
• M7: 3,638,968 km (0.05 R)
• M8: 4,444,852 km (0.116 R)
• M9: 5,153,497 km (0.055 R)
• M10: 5,584,339 km (0.101 R)
• M11: 6,302,558 km (0.119 R)
• M12: 6,994,748 km (0.071 R)
• M13: 7,891,587 km (0.107 R)
• M14: 8,863,524 km (0.106 R)
• M15: 9,840,997 km (0.108 R)
• M16: 10,582,105 km (0.115 R)
• M17: 11,560,325 km (0.084 R)
• M18: 12,942,759 km (0.063 R)
• M19: 13,338,146 km (0.044 R)
• M20: 15,684,290 km (0.044 R)
• M21: 17,588,670 km (0.073 R)
• M22: 18,679,987 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.9

Radius: 9.9

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.54 AU - 3.48 AU

Year: 3671 Days

Day: 8.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,545,428 km

• M1: 123,119 km (0.112 R)
• M2: 836,252 km (0.064 R)
• M3: 1,246,449 km (0.102 R)
• M4: 2,012,241 km (0.06 R)
• M5: 3,047,608 km (0.116 R)
• M6: 3,406,044 km (0.043 R)
• M7: 3,934,873 km (0.093 R)
• M8: 4,562,885 km (0.068 R)
• M9: 5,828,333 km (0.045 R)
• M10: 7,632,334 km (0.107 R)
• M11: 8,229,379 km (0.075 R)
• M12: 15,968,825 km (0.09 R)
• M13: 16,290,011 km (0.058 R)
• M14: 18,192,298 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.6

Radius: 8.5

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.59 AU - 5.27 AU

Year: 7694 Days

Day: 9 Hours

Environment

Temp: -223 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,545,428 km

• M1: 105,766 km (0.094 R)
• M2: 422,464 km (0.081 R)
• M3: 1,142,629 km (0.112 R)
• M4: 3,048,356 km (0.082 R)
• M5: 3,665,597 km (0.11 R)
• M6: 4,174,678 km (0.106 R)
• M7: 4,615,244 km (0.108 R)
• M8: 5,720,323 km (0.106 R)
• M9: 6,125,135 km (0.108 R)
• M10: 6,992,504 km (0.071 R)
• M11: 7,260,284 km (0.112 R)
• M12: 9,562,894 km (0.11 R)
• M13: 12,535,853 km (0.074 R)
• M14: 13,104,175 km (0.072 R)
• M15: 14,170,359 km (0.105 R)
• M16: 14,476,586 km (0.065 R)
• M17: 33,085,215 km (0.099 R)
• M18: 34,060,443 km (0.116 R)
• M19: 37,566,568 km (0.052 R)
• M20: 38,746,896 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.2

Radius: 14.7

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.61 AU - 5.61 AU

Year: 8120 Days

Day: 10.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,545,428 km

• M1: 182,958 km (0.118 R)
• M2: 645,515 km (0.066 R)
• M3: 1,149,061 km (0.117 R)
• M4: 1,730,698 km (0.07 R)
• M5: 2,455,799 km (0.066 R)
• M6: 3,956,864 km (0.102 R)
• M7: 4,766,787 km (0.033 R)
• M8: 5,226,800 km (0.112 R)
• M9: 6,406,230 km (0.114 R)
• M10: 7,525,371 km (0.096 R)
• M11: 8,072,002 km (0.026 R)
• M12: 10,291,586 km (0.096 R)
• M13: 11,365,100 km (0.099 R)
• M14: 12,404,655 km (0.117 R)
• M15: 14,434,549 km (0.046 R)
• M16: 15,528,857 km (0.095 R)
• M17: 19,505,767 km (0.068 R)
• M18: 26,539,709 km (0.058 R)
• M19: 27,352,026 km (0.095 R)
• M20: 29,599,435 km (0.09 R)
• M21: 30,571,222 km (0.056 R)
• M22: 34,140,777 km (0.099 R)
• M23: 35,101,944 km (0.084 R)
• M24: 37,077,982 km (0.09 R)

Asteroid Belt

Center: 5.75 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521

Radius: 3.7

Gravity: 38.06 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.67 AU - 7.09 AU

Year: 11328 Days

Day: 24.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 47,545,428 km

• M1: 46,076 km (0.102 R)
• M2: 209,587 km (0.12 R)
• M3: 332,406 km (0.093 R)
• M4: 753,076 km (0.051 R)
• M5: 1,012,478 km (0.114 R)
• M6: 1,996,533 km (0.104 R)
• M7: 2,117,707 km (0.067 R)
• M8: 2,299,319 km (0.034 R)
• M9: 2,820,518 km (0.09 R)
• M10: 4,316,946 km (0.118 R)
• M11: 4,669,398 km (0.08 R)
• M12: 5,233,682 km (0.11 R)
• M13: 5,600,196 km (0.05 R)
• M14: 6,880,156 km (0.034 R)
• M15: 7,483,933 km (0.1 R)
• M16: 7,905,649 km (0.094 R)
• M17: 8,166,249 km (0.096 R)
• M18: 8,842,581 km (0.079 R)
• M19: 9,170,649 km (0.103 R)
• M20: 9,751,836 km (0.042 R)
• M21: 10,357,259 km (0.09 R)
• M22: 11,202,936 km (0.119 R)
• M23: 11,531,602 km (0.109 R)
• M24: 12,497,705 km (0.102 R)
• M25: 13,393,946 km (0.118 R)
• M26: 13,578,101 km (0.078 R)
• M27: 14,654,308 km (0.111 R)
• M28: 15,717,949 km (0.105 R)
• M29: 16,129,792 km (0.115 R)
• M30: 20,407,094 km (0.033 R)
• M31: 21,646,662 km (0.067 R)
• M32: 22,070,772 km (0.116 R)
• M33: 24,917,021 km (0.096 R)
• M34: 27,501,175 km (0.057 R)
• M35: 29,216,614 km (0.088 R)
• M36: 31,976,096 km (0.032 R)
• M37: 33,418,818 km (0.098 R)
• M38: 38,996,724 km (0.052 R)
• M39: 39,121,788 km (0.058 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 18,928 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit