🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.9

Radius: 10.6

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.21 AU - 1.45 AU

Year: 1040 Days

Day: 11.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,446,046 km

• M1: 132,095 km (0.109 R)
• M2: 522,545 km (0.097 R)
• M3: 896,540 km (0.109 R)
• M4: 1,454,690 km (0.081 R)
• M5: 2,148,525 km (0.091 R)
• M6: 2,813,487 km (0.071 R)
• M7: 3,160,105 km (0.031 R)
• M8: 4,587,718 km (0.103 R)
• M9: 5,711,497 km (0.103 R)
• M10: 6,138,898 km (0.042 R)
• M11: 6,541,765 km (0.066 R)
• M12: 7,010,007 km (0.117 R)
• M13: 7,831,598 km (0.09 R)
• M14: 8,632,994 km (0.102 R)
• M15: 9,283,745 km (0.095 R)
• M16: 9,665,818 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.9

Radius: 14.6

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.88 AU - 2.92 AU

Year: 3350 Days

Day: 14.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,446,046 km

• M1: 181,612 km (0.079 R)
• M2: 894,595 km (0.082 R)
• M3: 1,954,496 km (0.114 R)
• M4: 2,836,226 km (0.084 R)
• M5: 4,358,384 km (0.108 R)
• M6: 5,679,483 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.2

Radius: 14.1

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.2 AU - 4.62 AU

Year: 5244 Days

Day: 13.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,446,046 km

• M1: 175,329 km (0.048 R)
• M2: 616,493 km (0.11 R)
• M3: 1,199,326 km (0.118 R)
• M4: 1,830,928 km (0.075 R)
• M5: 2,304,406 km (0.115 R)
• M6: 2,938,102 km (0.045 R)
• M7: 3,988,728 km (0.058 R)
• M8: 5,206,455 km (0.038 R)
• M9: 6,686,875 km (0.115 R)
• M10: 7,346,153 km (0.1 R)
• M11: 7,892,036 km (0.108 R)
• M12: 9,031,523 km (0.047 R)
• M13: 9,516,968 km (0.118 R)
• M14: 10,807,698 km (0.095 R)
• M15: 11,395,319 km (0.109 R)
• M16: 12,295,748 km (0.116 R)
• M17: 13,962,268 km (0.089 R)
• M18: 14,424,975 km (0.09 R)
• M19: 16,686,446 km (0.107 R)
• M20: 17,793,919 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.6

Radius: 4.7

Gravity: 20.76 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.47 AU - 7.47 AU

Year: 11162 Days

Day: 15.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,446,046 km

• M1: 68,217 km (0.116 R)
• M2: 408,253 km (0.091 R)
• M3: 635,791 km (0.104 R)
• M4: 965,205 km (0.116 R)
• M5: 1,440,328 km (0.11 R)
• M6: 1,990,549 km (0.109 R)
• M7: 2,359,607 km (0.118 R)
• M8: 2,650,126 km (0.038 R)
• M9: 4,444,702 km (0.071 R)
• M10: 7,555,740 km (0.12 R)
• M11: 8,447,792 km (0.107 R)
• M12: 8,670,094 km (0.05 R)
• M13: 9,313,365 km (0.075 R)
• M14: 12,376,681 km (0.113 R)
• M15: 13,672,348 km (0.076 R)
• M16: 13,855,755 km (0.088 R)
• M17: 16,599,230 km (0.12 R)
• M18: 16,877,931 km (0.065 R)
• M19: 18,842,001 km (0.081 R)
• M20: 19,606,596 km (0.111 R)
• M21: 26,671,954 km (0.113 R)
• M22: 33,238,702 km (0.119 R)
• M23: 35,492,544 km (0.076 R)
• M24: 40,301,966 km (0.092 R)
• M25: 42,600,986 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.4

Radius: 5.8

Gravity: 15.53 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.63 AU - 8.87 AU

Year: 14633 Days

Day: 24.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,446,046 km

• M1: 72,705 km (0.118 R)
• M2: 374,294 km (0.029 R)
• M3: 648,208 km (0.116 R)
• M4: 891,005 km (0.088 R)
• M5: 1,145,172 km (0.048 R)
• M6: 1,418,786 km (0.096 R)
• M7: 1,767,798 km (0.117 R)
• M8: 2,229,756 km (0.051 R)
• M9: 2,950,818 km (0.057 R)
• M10: 3,546,517 km (0.109 R)
• M11: 3,816,990 km (0.095 R)
• M12: 4,491,975 km (0.091 R)
• M13: 5,209,147 km (0.091 R)
• M14: 7,953,072 km (0.106 R)
• M15: 8,276,353 km (0.106 R)
• M16: 8,512,568 km (0.113 R)
• M17: 11,591,441 km (0.109 R)
• M18: 12,617,832 km (0.092 R)
• M19: 12,867,960 km (0.1 R)
• M20: 13,121,379 km (0.089 R)
• M21: 13,835,260 km (0.101 R)
• M22: 14,302,903 km (0.098 R)
• M23: 15,340,514 km (0.065 R)
• M24: 15,986,477 km (0.111 R)
• M25: 16,800,589 km (0.055 R)
• M26: 17,103,375 km (0.098 R)
• M27: 17,719,868 km (0.118 R)
• M28: 22,731,546 km (0.115 R)
• M29: 24,721,347 km (0.043 R)
• M30: 35,431,059 km (0.085 R)
• M31: 35,679,541 km (0.029 R)
• M32: 39,147,968 km (0.093 R)
• M33: 54,440,909 km (0.062 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 14,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit