🌌 Stone's Star System Generator

Asteroid Belt

Center: 1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.2

Radius: 12.2

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.63 AU - 2.35 AU

Year: 1842 Days

Day: 14.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,402,875 km

• M1: 161,117 km (0.114 R)
• M2: 756,068 km (0.071 R)
• M3: 1,157,439 km (0.06 R)
• M4: 1,866,084 km (0.096 R)
• M5: 4,832,909 km (0.112 R)
• M6: 5,324,936 km (0.096 R)
• M7: 7,847,456 km (0.119 R)
• M8: 9,309,625 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.1

Radius: 12.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.39 AU - 4.41 AU

Year: 5052 Days

Day: 14.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,402,875 km

• M1: 154,385 km (0.12 R)
• M2: 700,417 km (0.079 R)
• M3: 1,672,504 km (0.087 R)
• M4: 2,436,949 km (0.115 R)
• M5: 2,908,332 km (0.117 R)
• M6: 5,641,485 km (0.111 R)
• M7: 6,279,071 km (0.073 R)
• M8: 7,417,511 km (0.083 R)
• M9: 8,052,554 km (0.117 R)
• M10: 9,987,004 km (0.117 R)
• M11: 10,761,921 km (0.102 R)
• M12: 12,170,834 km (0.109 R)
• M13: 14,172,304 km (0.112 R)
• M14: 15,001,525 km (0.054 R)
• M15: 17,080,038 km (0.085 R)
• M16: 17,850,916 km (0.079 R)
• M17: 20,242,537 km (0.091 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.2

Radius: 4.7

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.36 AU - 7.24 AU

Year: 11632 Days

Day: 20.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,402,875 km

• M1: 58,493 km (0.114 R)
• M2: 210,484 km (0.071 R)
• M3: 453,581 km (0.091 R)
• M4: 1,098,946 km (0.096 R)
• M5: 1,318,256 km (0.118 R)
• M6: 1,735,186 km (0.085 R)
• M7: 2,018,823 km (0.116 R)
• M8: 2,283,761 km (0.062 R)
• M9: 2,450,114 km (0.115 R)
• M10: 2,807,503 km (0.105 R)
• M11: 3,715,114 km (0.087 R)
• M12: 5,627,274 km (0.119 R)
• M13: 5,932,154 km (0.11 R)
• M14: 6,947,325 km (0.091 R)
• M15: 7,550,653 km (0.064 R)
• M16: 9,960,077 km (0.08 R)
• M17: 11,725,481 km (0.12 R)
• M18: 12,323,723 km (0.102 R)
• M19: 13,258,710 km (0.055 R)
• M20: 24,292,151 km (0.086 R)
• M21: 30,971,098 km (0.114 R)
• M22: 32,015,141 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.1

Radius: 6.7

Gravity: 13.9 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.07 AU - 10.05 AU

Year: 16429 Days

Day: 17.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,402,875 km

• M1: 83,476 km (0.082 R)
• M2: 384,317 km (0.115 R)
• M3: 1,033,572 km (0.054 R)
• M4: 3,886,852 km (0.045 R)
• M5: 4,504,242 km (0.096 R)
• M6: 5,625,179 km (0.061 R)
• M7: 9,064,434 km (0.044 R)
• M8: 9,380,235 km (0.085 R)
• M9: 9,978,028 km (0.101 R)
• M10: 10,201,677 km (0.112 R)
• M11: 10,833,878 km (0.099 R)
• M12: 12,176,219 km (0.072 R)
• M13: 12,953,380 km (0.088 R)
• M14: 13,286,834 km (0.054 R)
• M15: 17,584,033 km (0.078 R)
• M16: 17,910,605 km (0.069 R)
• M17: 24,503,982 km (0.116 R)
• M18: 29,813,210 km (0.044 R)
• M19: 38,381,578 km (0.101 R)
• M20: 50,728,040 km (0.072 R)
• M21: 62,970,531 km (0.025 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492.6

Radius: 6.7

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.26 AU - 11.18 AU

Year: 18366 Days

Day: 16.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,402,875 km

• M1: 83,625 km (0.115 R)
• M2: 296,054 km (0.112 R)
• M3: 545,733 km (0.08 R)
• M4: 876,195 km (0.091 R)
• M5: 1,100,442 km (0.112 R)
• M6: 1,635,853 km (0.044 R)
• M7: 2,055,624 km (0.11 R)
• M8: 2,353,025 km (0.113 R)
• M9: 2,770,702 km (0.047 R)
• M10: 3,502,385 km (0.071 R)
• M11: 3,725,286 km (0.064 R)
• M12: 4,230,777 km (0.112 R)
• M13: 4,780,849 km (0.108 R)
• M14: 5,866,630 km (0.08 R)
• M15: 6,102,097 km (0.094 R)
• M16: 6,592,180 km (0.064 R)
• M17: 8,075,143 km (0.027 R)
• M18: 9,659,086 km (0.034 R)
• M19: 10,784,510 km (0.059 R)
• M20: 13,159,377 km (0.095 R)
• M21: 15,264,668 km (0.115 R)
• M22: 15,861,862 km (0.047 R)
• M23: 16,166,294 km (0.083 R)
• M24: 21,489,734 km (0.032 R)
• M25: 23,006,806 km (0.111 R)
• M26: 26,041,698 km (0.099 R)
• M27: 29,219,157 km (0.11 R)
• M28: 30,723,812 km (0.085 R)
• M29: 40,143,841 km (0.11 R)
• M30: 41,856,437 km (0.095 R)
• M31: 42,146,507 km (0.086 R)
• M32: 42,730,687 km (0.09 R)
• M33: 44,969,569 km (0.063 R)
• M34: 46,816,205 km (0.088 R)
• M35: 48,873,026 km (0.048 R)
• M36: 55,055,308 km (0.054 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 15,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit