🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445

Radius: 14.5

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.74 AU - 1.06 AU

Year: 589 Days

Day: 5.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,001,561 km

• M1: 181,313 km (0.088 R)
• M2: 707,598 km (0.109 R)
• M3: 1,270,086 km (0.089 R)
• M4: 1,857,407 km (0.085 R)
• M5: 2,384,440 km (0.082 R)
• M6: 3,735,459 km (0.102 R)
• M7: 4,229,281 km (0.088 R)
• M8: 5,788,241 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.6

Radius: 12.7

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.99 AU - 2.17 AU

Year: 2071 Days

Day: 12.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,001,561 km

• M1: 158,125 km (0.113 R)
• M2: 938,128 km (0.107 R)
• M3: 1,665,922 km (0.041 R)
• M4: 2,217,788 km (0.095 R)
• M5: 2,719,839 km (0.081 R)
• M6: 3,743,088 km (0.099 R)
• M7: 5,186,708 km (0.084 R)
• M8: 5,880,094 km (0.084 R)
• M9: 6,754,344 km (0.057 R)
• M10: 8,088,757 km (0.115 R)
• M11: 8,618,034 km (0.067 R)
• M12: 9,715,035 km (0.119 R)
• M13: 10,345,590 km (0.093 R)
• M14: 11,688,979 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.2

Radius: 8.6

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.41 AU - 3.39 AU

Year: 3409 Days

Day: 7.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,001,561 km

• M1: 107,112 km (0.094 R)
• M2: 392,994 km (0.038 R)
• M3: 915,689 km (0.094 R)
• M4: 1,206,208 km (0.088 R)
• M5: 1,529,638 km (0.116 R)
• M6: 1,854,415 km (0.101 R)
• M7: 2,341,805 km (0.049 R)
• M8: 2,851,335 km (0.071 R)
• M9: 3,263,926 km (0.075 R)
• M10: 3,789,164 km (0.085 R)
• M11: 4,471,929 km (0.072 R)
• M12: 5,007,938 km (0.11 R)
• M13: 5,303,245 km (0.074 R)
• M14: 5,929,162 km (0.08 R)
• M15: 6,469,809 km (0.104 R)
• M16: 7,127,591 km (0.088 R)
• M17: 8,227,883 km (0.097 R)
• M18: 8,933,686 km (0.117 R)
• M19: 9,714,138 km (0.109 R)
• M20: 13,424,763 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.2

Radius: 12.2

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.79 AU - 4.21 AU

Year: 4520 Days

Day: 6.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,001,561 km

• M1: 151,842 km (0.097 R)
• M2: 890,407 km (0.074 R)
• M3: 1,646,474 km (0.054 R)
• M4: 2,200,585 km (0.061 R)
• M5: 3,079,771 km (0.03 R)
• M6: 4,646,211 km (0.084 R)
• M7: 5,048,779 km (0.046 R)
• M8: 6,749,557 km (0.116 R)
• M9: 7,977,905 km (0.12 R)
• M10: 9,056,356 km (0.03 R)
• M11: 10,548,146 km (0.105 R)
• M12: 11,846,356 km (0.047 R)
• M13: 12,556,647 km (0.114 R)
• M14: 18,940,437 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553

Radius: 8.1

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.99 AU - 5.45 AU

Year: 7078 Days

Day: 11.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,001,561 km

• M1: 107,262 km (0.075 R)
• M2: 508,782 km (0.095 R)
• M3: 901,926 km (0.11 R)
• M4: 1,194,988 km (0.066 R)
• M5: 1,514,678 km (0.096 R)
• M6: 2,055,624 km (0.063 R)
• M7: 2,572,784 km (0.096 R)
• M8: 2,833,384 km (0.116 R)
• M9: 4,817,201 km (0.093 R)
• M10: 7,177,407 km (0.04 R)
• M11: 8,203,050 km (0.064 R)
• M12: 9,629,914 km (0.112 R)
• M13: 11,117,366 km (0.11 R)
• M14: 12,592,251 km (0.12 R)
• M15: 14,540,763 km (0.085 R)
• M16: 23,862,057 km (0.111 R)
• M17: 30,311,221 km (0.063 R)
• M18: 33,778,601 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.9

Radius: 4.7

Gravity: 40.92 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.84 AU - 10.02 AU

Year: 18420 Days

Day: 16.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 79,001,561 km

• M1: 58,493 km (0.103 R)
• M2: 220,208 km (0.027 R)
• M3: 419,622 km (0.045 R)
• M4: 582,983 km (0.032 R)
• M5: 810,671 km (0.119 R)
• M6: 981,811 km (0.117 R)
• M7: 1,248,095 km (0.049 R)
• M8: 1,414,149 km (0.098 R)
• M9: 1,682,378 km (0.119 R)
• M10: 1,924,726 km (0.103 R)
• M11: 3,741,592 km (0.118 R)
• M12: 3,928,889 km (0.03 R)
• M13: 4,528,477 km (0.119 R)
• M14: 5,420,080 km (0.029 R)
• M15: 5,907,171 km (0.102 R)
• M16: 6,921,594 km (0.048 R)
• M17: 9,120,384 km (0.054 R)
• M18: 10,841,358 km (0.118 R)
• M19: 11,094,627 km (0.101 R)
• M20: 12,420,214 km (0.105 R)
• M21: 15,381,653 km (0.095 R)
• M22: 35,400,990 km (0.065 R)
• M23: 35,818,517 km (0.109 R)
• M24: 37,233,564 km (0.087 R)
• M25: 40,781,277 km (0.083 R)
• M26: 44,064,651 km (0.098 R)
• M27: 50,798,051 km (0.082 R)
• M28: 59,156,384 km (0.034 R)
• M29: 63,761,904 km (0.103 R)
• M30: 65,418,251 km (0.108 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 18,932 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit