🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.4

Radius: 8.2

Gravity: 13.61 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.79 AU - 1.09 AU

Year: 608 Days

Day: 11.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,172,861 km

• M1: 102,026 km (0.104 R)
• M2: 430,094 km (0.041 R)
• M3: 725,101 km (0.117 R)
• M4: 1,109,418 km (0.097 R)
• M5: 1,658,292 km (0.092 R)
• M6: 2,737,940 km (0.076 R)
• M7: 3,795,597 km (0.089 R)
• M8: 4,306,175 km (0.108 R)
• M9: 4,643,817 km (0.064 R)
• M10: 5,156,938 km (0.096 R)
• M11: 5,427,261 km (0.086 R)
• M12: 6,175,251 km (0.116 R)
• M13: 7,099,466 km (0.113 R)
• M14: 7,687,236 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.1

Radius: 10.6

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.36 AU - 4.18 AU

Year: 4881 Days

Day: 12.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,172,861 km

• M1: 132,095 km (0.065 R)
• M2: 485,295 km (0.078 R)
• M3: 952,789 km (0.102 R)
• M4: 1,301,801 km (0.042 R)
• M5: 1,973,346 km (0.08 R)
• M6: 2,584,453 km (0.081 R)
• M7: 3,042,222 km (0.079 R)
• M8: 3,498,197 km (0.118 R)
• M9: 4,121,721 km (0.105 R)
• M10: 4,910,401 km (0.092 R)
• M11: 5,439,977 km (0.097 R)
• M12: 6,873,424 km (0.112 R)
• M13: 7,916,719 km (0.097 R)
• M14: 12,103,964 km (0.057 R)
• M15: 12,581,630 km (0.107 R)
• M16: 14,716,840 km (0.108 R)
• M17: 16,337,883 km (0.112 R)
• M18: 19,221,082 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953

Radius: 10.4

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.38 AU - 4.5 AU

Year: 5215 Days

Day: 10.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,172,861 km

• M1: 129,402 km (0.109 R)
• M2: 502,200 km (0.05 R)
• M3: 954,434 km (0.111 R)
• M4: 1,475,035 km (0.068 R)
• M5: 2,115,912 km (0.115 R)
• M6: 2,933,465 km (0.107 R)
• M7: 3,447,633 km (0.117 R)
• M8: 4,118,729 km (0.062 R)
• M9: 4,577,695 km (0.096 R)
• M10: 6,695,851 km (0.052 R)
• M11: 7,295,589 km (0.097 R)
• M12: 8,807,275 km (0.095 R)
• M13: 9,702,768 km (0.103 R)
• M14: 11,086,100 km (0.11 R)
• M15: 12,701,906 km (0.116 R)
• M16: 13,346,524 km (0.112 R)
• M17: 13,844,086 km (0.104 R)
• M18: 15,112,826 km (0.103 R)
• M19: 15,593,035 km (0.097 R)
• M20: 16,773,960 km (0.109 R)
• M21: 19,524,317 km (0.087 R)
• M22: 20,310,454 km (0.098 R)
• M23: 23,031,490 km (0.094 R)
• M24: 24,726,284 km (0.105 R)
• M25: 25,646,461 km (0.105 R)
• M26: 30,497,920 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.1

Radius: 6.1

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.62 AU - 11.4 AU

Year: 19557 Days

Day: 19.5 Hours

Environment

Temp: -245 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,172,861 km

• M1: 76,744 km (0.038 R)
• M2: 658,829 km (0.077 R)
• M3: 878,439 km (0.082 R)
• M4: 1,823,000 km (0.05 R)
• M5: 2,659,401 km (0.101 R)
• M6: 4,518,604 km (0.116 R)
• M7: 6,055,123 km (0.119 R)
• M8: 6,672,065 km (0.093 R)
• M9: 7,597,178 km (0.08 R)
• M10: 10,638,952 km (0.116 R)
• M11: 12,107,404 km (0.099 R)
• M12: 14,947,819 km (0.097 R)
• M13: 19,628,437 km (0.101 R)
• M14: 21,589,815 km (0.097 R)
• M15: 23,678,201 km (0.1 R)
• M16: 26,967,111 km (0.072 R)
• M17: 29,576,845 km (0.113 R)
• M18: 30,843,790 km (0.087 R)
• M19: 31,540,766 km (0.051 R)
• M20: 33,694,676 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639

Radius: 5.6

Gravity: 20.38 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.81 AU - 11.49 AU

Year: 21564 Days

Day: 16.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,172,861 km

• M1: 69,713 km (0.069 R)
• M2: 371,900 km (0.116 R)
• M3: 556,205 km (0.076 R)
• M4: 959,222 km (0.075 R)
• M5: 1,176,587 km (0.108 R)
• M6: 1,839,904 km (0.043 R)
• M7: 2,054,428 km (0.075 R)
• M8: 2,557,675 km (0.11 R)
• M9: 3,166,538 km (0.072 R)
• M10: 4,321,583 km (0.118 R)
• M11: 5,374,154 km (0.091 R)
• M12: 5,611,715 km (0.097 R)
• M13: 6,366,437 km (0.047 R)
• M14: 6,859,810 km (0.053 R)
• M15: 10,128,374 km (0.087 R)
• M16: 10,800,069 km (0.09 R)
• M17: 11,896,023 km (0.056 R)
• M18: 12,574,150 km (0.088 R)
• M19: 13,206,350 km (0.117 R)
• M20: 16,771,866 km (0.069 R)
• M21: 17,109,209 km (0.114 R)
• M22: 20,352,641 km (0.085 R)
• M23: 21,321,287 km (0.115 R)
• M24: 28,141,903 km (0.108 R)
• M25: 29,833,107 km (0.095 R)
• M26: 36,991,365 km (0.064 R)
• M27: 39,313,423 km (0.084 R)
• M28: 41,730,775 km (0.118 R)
• M29: 49,057,630 km (0.037 R)
• M30: 52,034,777 km (0.07 R)
• M31: 53,658,512 km (0.102 R)
• M32: 57,769,462 km (0.076 R)
• M33: 61,086,196 km (0.108 R)
• M34: 74,938,211 km (0.102 R)
• M35: 76,082,934 km (0.108 R)
• M36: 76,313,315 km (0.079 R)
• M37: 77,007,150 km (0.061 R)
• M38: 77,239,325 km (0.098 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 14,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit