🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.2

Radius: 9.7

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.75 AU - 1.21 AU

Year: 670 Days

Day: 11.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,910,029 km

• M1: 120,576 km (0.115 R)
• M2: 542,741 km (0.083 R)
• M3: 895,792 km (0.1 R)
• M4: 1,284,148 km (0.118 R)
• M5: 1,834,519 km (0.102 R)
• M6: 2,340,309 km (0.099 R)
• M7: 2,936,905 km (0.12 R)
• M8: 3,537,541 km (0.104 R)
• M9: 3,967,784 km (0.11 R)
• M10: 5,489,344 km (0.108 R)
• M11: 6,125,584 km (0.103 R)
• M12: 6,542,513 km (0.07 R)
• M13: 6,872,825 km (0.089 R)
• M14: 7,589,549 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.7

Radius: 12.2

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.93 AU - 3.11 AU

Year: 2761 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,910,029 km

• M1: 168,298 km (0.114 R)
• M2: 564,732 km (0.077 R)
• M3: 1,053,319 km (0.102 R)
• M4: 1,450,501 km (0.115 R)
• M5: 1,996,533 km (0.049 R)
• M6: 2,398,802 km (0.09 R)
• M7: 2,795,236 km (0.061 R)
• M8: 3,319,427 km (0.115 R)
• M9: 3,908,544 km (0.12 R)
• M10: 4,845,625 km (0.103 R)
• M11: 6,002,615 km (0.116 R)
• M12: 7,133,874 km (0.086 R)
• M13: 7,660,309 km (0.097 R)
• M14: 8,498,356 km (0.094 R)
• M15: 9,639,638 km (0.064 R)
• M16: 10,880,552 km (0.114 R)
• M17: 11,421,349 km (0.06 R)
• M18: 13,238,963 km (0.104 R)
• M19: 16,266,225 km (0.068 R)
• M20: 17,335,700 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.3

Radius: 8.5

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.32 AU - 2.78 AU

Year: 2811 Days

Day: 6.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,910,029 km

• M1: 145,260 km (0.081 R)
• M2: 460,612 km (0.104 R)
• M3: 988,244 km (0.079 R)
• M4: 1,404,275 km (0.031 R)
• M5: 4,710,687 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.8

Radius: 9.9

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.71 AU - 3.53 AU

Year: 3804 Days

Day: 12.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,910,029 km

• M1: 123,119 km (0.116 R)
• M2: 433,834 km (0.091 R)
• M3: 874,250 km (0.088 R)
• M4: 1,716,187 km (0.091 R)
• M5: 2,542,715 km (0.088 R)
• M6: 4,137,578 km (0.113 R)
• M7: 4,513,667 km (0.07 R)
• M8: 6,043,455 km (0.099 R)
• M9: 7,139,259 km (0.059 R)
• M10: 9,043,490 km (0.119 R)
• M11: 10,516,132 km (0.071 R)
• M12: 11,400,255 km (0.099 R)
• M13: 13,215,326 km (0.059 R)
• M14: 15,326,003 km (0.029 R)
• M15: 18,206,360 km (0.11 R)
• M16: 21,708,147 km (0.04 R)
• M17: 22,703,122 km (0.1 R)
• M18: 24,026,764 km (0.08 R)
• M19: 24,631,140 km (0.11 R)
• M20: 25,713,480 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.2

Radius: 14.4

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.93 AU - 3.57 AU

Year: 4044 Days

Day: 5.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,910,029 km

• M1: 179,069 km (0.076 R)
• M2: 925,861 km (0.098 R)
• M3: 1,609,075 km (0.116 R)
• M4: 2,176,350 km (0.119 R)
• M5: 4,643,668 km (0.119 R)
• M6: 8,195,869 km (0.097 R)
• M7: 10,541,264 km (0.08 R)
• M8: 13,577,802 km (0.111 R)
• M9: 14,229,749 km (0.095 R)
• M10: 15,396,014 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.8

Radius: 6.9

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 8.84 AU - 11.1 AU

Year: 21730 Days

Day: 18.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,910,029 km

• M1: 93,349 km (0.102 R)
• M2: 433,983 km (0.099 R)
• M3: 1,006,046 km (0.063 R)
• M4: 2,000,722 km (0.027 R)
• M5: 4,236,013 km (0.099 R)
• M6: 6,894,667 km (0.119 R)
• M7: 7,447,580 km (0.097 R)
• M8: 10,334,819 km (0.106 R)
• M9: 11,403,846 km (0.082 R)
• M10: 12,055,494 km (0.073 R)
• M11: 12,794,507 km (0.08 R)
• M12: 14,294,525 km (0.044 R)
• M13: 24,638,470 km (0.113 R)
• M14: 25,030,267 km (0.069 R)
• M15: 26,129,213 km (0.042 R)
• M16: 28,637,670 km (0.025 R)
• M17: 30,734,135 km (0.119 R)
• M18: 31,074,171 km (0.094 R)
• M19: 32,930,680 km (0.092 R)
• M20: 35,852,326 km (0.088 R)
• M21: 36,608,693 km (0.108 R)
• M22: 39,473,792 km (0.118 R)
• M23: 44,334,077 km (0.095 R)
• M24: 46,088,262 km (0.12 R)
• M25: 52,592,029 km (0.084 R)
• M26: 53,404,794 km (0.09 R)
• M27: 55,557,059 km (0.104 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: 487 - 16,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit