🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439

Radius: 11.1

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1 AU - 1.14 AU

Year: 738 Days

Day: 8.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 115.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,496,902 km

• M1: 138,079 km (0.065 R)
• M2: 517,309 km (0.117 R)
• M3: 926,908 km (0.051 R)
• M4: 1,280,109 km (0.101 R)
• M5: 1,709,904 km (0.12 R)
• M6: 2,124,290 km (0.066 R)
• M7: 2,616,467 km (0.108 R)
• M8: 4,056,795 km (0.096 R)
• M9: 4,867,915 km (0.118 R)
• M10: 5,373,107 km (0.092 R)
• M11: 5,987,655 km (0.04 R)
• M12: 6,831,536 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837

Radius: 13.6

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.18 AU - 1.34 AU

Year: 943 Days

Day: 10.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,496,902 km

• M1: 169,195 km (0.113 R)
• M2: 702,661 km (0.027 R)
• M3: 1,579,754 km (0.061 R)
• M4: 2,043,657 km (0.077 R)
• M5: 3,145,894 km (0.073 R)
• M6: 3,924,700 km (0.116 R)
• M7: 4,701,711 km (0.11 R)
• M8: 5,223,509 km (0.114 R)
• M9: 6,317,967 km (0.091 R)
• M10: 7,634,877 km (0.055 R)
• M11: 10,093,967 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.8

Radius: 9.2

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.5 AU - 1.86 AU

Year: 1452 Days

Day: 6.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,496,902 km

• M1: 114,742 km (0.06 R)
• M2: 2,533,889 km (0.085 R)
• M3: 3,093,385 km (0.03 R)
• M4: 4,129,200 km (0.063 R)
• M5: 4,805,383 km (0.114 R)
• M6: 6,377,208 km (0.091 R)
• M7: 9,400,581 km (0.113 R)
• M8: 10,703,578 km (0.088 R)
• M9: 12,994,221 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.1

Radius: 14.7

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.48 AU - 3.42 AU

Year: 3379 Days

Day: 5.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,496,902 km

• M1: 189,989 km (0.098 R)
• M2: 841,638 km (0.03 R)
• M3: 1,414,747 km (0.088 R)
• M4: 2,208,813 km (0.082 R)
• M5: 4,599,536 km (0.111 R)
• M6: 6,041,959 km (0.079 R)
• M7: 6,762,871 km (0.062 R)
• M8: 10,315,521 km (0.09 R)
• M9: 11,866,402 km (0.096 R)
• M10: 13,907,665 km (0.087 R)
• M11: 15,322,861 km (0.105 R)
• M12: 18,497,926 km (0.087 R)
• M13: 22,559,209 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.3

Radius: 11.8

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.89 AU - 5.37 AU

Year: 6644 Days

Day: 11.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,496,902 km

• M1: 147,504 km (0.113 R)
• M2: 869,313 km (0.084 R)
• M3: 1,327,083 km (0.103 R)
• M4: 1,707,660 km (0.12 R)
• M5: 2,192,357 km (0.051 R)
• M6: 4,544,634 km (0.11 R)
• M7: 4,959,917 km (0.092 R)
• M8: 6,650,673 km (0.077 R)
• M9: 8,159,666 km (0.093 R)
• M10: 8,934,583 km (0.118 R)
• M11: 9,340,143 km (0.117 R)
• M12: 10,101,147 km (0.081 R)
• M13: 10,903,142 km (0.104 R)
• M14: 11,651,131 km (0.081 R)
• M15: 13,249,584 km (0.086 R)
• M16: 15,973,761 km (0.045 R)
• M17: 16,754,812 km (0.094 R)
• M18: 17,624,424 km (0.071 R)
• M19: 20,694,472 km (0.081 R)
• M20: 21,768,136 km (0.055 R)
• M21: 22,728,404 km (0.093 R)
• M22: 27,021,714 km (0.087 R)
• M23: 28,916,072 km (0.095 R)
• M24: 29,447,593 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43.6

Radius: 3

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.66 AU - 7.22 AU

Year: 12192 Days

Day: 18.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,496,902 km

• M1: 37,399 km (0.1 R)
• M2: 275,858 km (0.109 R)
• M3: 369,956 km (0.085 R)
• M4: 585,825 km (0.05 R)
• M5: 792,719 km (0.117 R)
• M6: 1,243,158 km (0.118 R)
• M7: 1,687,614 km (0.069 R)
• M8: 2,215,395 km (0.078 R)
• M9: 2,418,698 km (0.12 R)
• M10: 3,032,947 km (0.071 R)
• M11: 5,309,677 km (0.07 R)
• M12: 6,832,883 km (0.039 R)
• M13: 9,346,725 km (0.062 R)
• M14: 10,584,648 km (0.113 R)
• M15: 11,200,991 km (0.101 R)
• M16: 13,146,062 km (0.076 R)
• M17: 19,692,017 km (0.119 R)
• M18: 20,874,737 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.5

Radius: 3

Gravity: 82.17 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 7.52 AU - 8.68 AU

Year: 15373 Days

Day: 24.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,496,902 km

• M1: 37,399 km (0.109 R)
• M2: 224,696 km (0.032 R)
• M3: 358,885 km (0.068 R)
• M4: 500,554 km (0.069 R)
• M5: 743,801 km (0.109 R)
• M6: 854,653 km (0.052 R)
• M7: 1,283,251 km (0.055 R)
• M8: 1,458,878 km (0.115 R)
• M9: 2,202,529 km (0.067 R)
• M10: 2,520,425 km (0.081 R)
• M11: 3,860,822 km (0.035 R)
• M12: 4,783,841 km (0.113 R)
• M13: 5,462,716 km (0.069 R)
• M14: 5,962,672 km (0.114 R)
• M15: 7,008,511 km (0.111 R)
• M16: 7,459,099 km (0.07 R)
• M17: 8,823,133 km (0.1 R)
• M18: 9,294,665 km (0.116 R)
• M19: 10,174,002 km (0.116 R)
• M20: 18,180,629 km (0.074 R)
• M21: 21,169,595 km (0.066 R)
• M22: 21,917,584 km (0.116 R)
• M23: 23,864,301 km (0.117 R)
• M24: 26,135,346 km (0.083 R)
• M25: 28,209,072 km (0.093 R)
• M26: 32,680,552 km (0.087 R)
• M27: 35,734,892 km (0.105 R)
• M28: 41,239,047 km (0.077 R)
• M29: 45,873,888 km (0.075 R)
• M30: 56,872,623 km (0.117 R)
• M31: 57,230,909 km (0.075 R)
• M32: 65,104,993 km (0.048 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 13,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit