🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.2

Radius: 12

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.98 AU - 1.22 AU

Year: 757 Days

Day: 12.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,862,018 km

• M1: 149,299 km (0.044 R)
• M2: 523,144 km (0.046 R)
• M3: 925,263 km (0.032 R)
• M4: 1,401,134 km (0.114 R)
• M5: 1,776,026 km (0.093 R)
• M6: 2,389,377 km (0.11 R)
• M7: 2,855,524 km (0.093 R)
• M8: 3,419,359 km (0.084 R)
• M9: 4,851,010 km (0.068 R)
• M10: 5,311,024 km (0.118 R)
• M11: 6,037,321 km (0.091 R)
• M12: 6,453,652 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.7

Radius: 8.6

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.2 AU - 2.86 AU

Year: 2640 Days

Day: 11.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,862,018 km

• M1: 106,962 km (0.082 R)
• M2: 734,526 km (0.11 R)
• M3: 1,306,289 km (0.114 R)
• M4: 1,577,809 km (0.085 R)
• M5: 2,212,403 km (0.084 R)
• M6: 2,674,660 km (0.039 R)
• M7: 3,470,521 km (0.105 R)
• M8: 3,774,504 km (0.108 R)
• M9: 5,499,517 km (0.113 R)
• M10: 5,814,869 km (0.084 R)
• M11: 6,642,594 km (0.103 R)
• M12: 7,141,503 km (0.109 R)
• M13: 7,997,801 km (0.056 R)
• M14: 8,434,926 km (0.107 R)
• M15: 8,789,473 km (0.087 R)
• M16: 9,357,048 km (0.066 R)
• M17: 10,091,573 km (0.057 R)
• M18: 10,381,344 km (0.082 R)
• M19: 11,322,764 km (0.058 R)
• M20: 14,351,821 km (0.077 R)
• M21: 16,899,623 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.7

Radius: 10.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.29 AU - 3.83 AU

Year: 4406 Days

Day: 7 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,862,018 km

• M1: 131,796 km (0.101 R)
• M2: 529,576 km (0.041 R)
• M3: 1,484,460 km (0.084 R)
• M4: 1,817,465 km (0.088 R)
• M5: 2,639,206 km (0.032 R)
• M6: 3,387,045 km (0.096 R)
• M7: 4,491,377 km (0.113 R)
• M8: 5,402,428 km (0.114 R)
• M9: 5,983,616 km (0.074 R)
• M10: 6,902,895 km (0.095 R)
• M11: 7,365,152 km (0.054 R)
• M12: 7,847,904 km (0.062 R)
• M13: 8,524,386 km (0.115 R)
• M14: 8,948,645 km (0.115 R)
• M15: 10,188,662 km (0.084 R)
• M16: 10,545,902 km (0.053 R)
• M17: 11,412,074 km (0.1 R)
• M18: 11,754,353 km (0.109 R)
• M19: 13,954,041 km (0.084 R)
• M20: 14,694,400 km (0.082 R)
• M21: 15,253,747 km (0.027 R)
• M22: 17,521,202 km (0.065 R)
• M23: 17,977,326 km (0.076 R)
• M24: 18,735,338 km (0.113 R)
• M25: 20,818,788 km (0.086 R)
• M26: 22,048,033 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.4

Radius: 8.7

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.95 AU - 5.47 AU

Year: 7801 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,862,018 km

• M1: 108,309 km (0.075 R)
• M2: 437,275 km (0.104 R)
• M3: 1,158,785 km (0.094 R)
• M4: 2,189,664 km (0.065 R)
• M5: 3,136,768 km (0.082 R)
• M6: 3,763,882 km (0.096 R)
• M7: 4,962,012 km (0.118 R)
• M8: 7,133,126 km (0.094 R)
• M9: 8,555,801 km (0.113 R)
• M10: 9,265,643 km (0.093 R)
• M11: 11,898,715 km (0.093 R)
• M12: 14,433,951 km (0.087 R)
• M13: 15,246,865 km (0.069 R)
• M14: 17,587,623 km (0.095 R)
• M15: 19,624,847 km (0.069 R)
• M16: 20,622,216 km (0.095 R)
• M17: 23,220,881 km (0.078 R)
• M18: 24,598,677 km (0.107 R)
• M19: 26,030,179 km (0.049 R)
• M20: 32,313,589 km (0.088 R)
• M21: 32,843,315 km (0.118 R)
• M22: 35,243,014 km (0.119 R)
• M23: 38,226,744 km (0.11 R)
• M24: 38,819,301 km (0.094 R)
• M25: 41,623,962 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 201.8

Radius: 8

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.16 AU - 7.28 AU

Year: 11428 Days

Day: 24.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,862,018 km

• M1: 99,483 km (0.117 R)
• M2: 484,996 km (0.088 R)
• M3: 1,206,806 km (0.107 R)
• M4: 1,776,026 km (0.066 R)
• M5: 2,114,416 km (0.073 R)
• M6: 2,730,610 km (0.102 R)
• M7: 3,778,244 km (0.079 R)
• M8: 4,470,882 km (0.085 R)
• M9: 7,202,689 km (0.052 R)
• M10: 9,734,483 km (0.115 R)
• M11: 10,415,004 km (0.1 R)
• M12: 13,074,555 km (0.081 R)
• M13: 14,882,595 km (0.069 R)
• M14: 18,505,406 km (0.102 R)
• M15: 20,483,389 km (0.035 R)
• M16: 21,073,553 km (0.115 R)
• M17: 22,598,254 km (0.112 R)
• M18: 23,228,361 km (0.116 R)
• M19: 24,032,300 km (0.115 R)
• M20: 26,904,728 km (0.103 R)
• M21: 28,423,296 km (0.104 R)
• M22: 32,717,653 km (0.098 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: 484 - 15,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit