🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.5

Radius: 13

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.29 AU - 1.47 AU

Year: 1031 Days

Day: 14.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,082,275 km

• M1: 161,715 km (0.109 R)
• M2: 587,022 km (0.05 R)
• M3: 1,152,053 km (0.12 R)
• M4: 1,626,727 km (0.052 R)
• M5: 2,065,498 km (0.12 R)
• M6: 3,578,979 km (0.086 R)
• M7: 4,472,827 km (0.062 R)
• M8: 5,020,205 km (0.102 R)
• M9: 5,550,829 km (0.079 R)
• M10: 5,967,908 km (0.107 R)
• M11: 6,725,322 km (0.056 R)
• M12: 8,006,628 km (0.117 R)
• M13: 8,486,238 km (0.073 R)
• M14: 10,318,364 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.8

Radius: 9.2

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.69 AU - 1.99 AU

Year: 1587 Days

Day: 5.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,082,275 km

• M1: 114,442 km (0.081 R)
• M2: 469,887 km (0.074 R)
• M3: 761,603 km (0.054 R)
• M4: 1,174,343 km (0.049 R)
• M5: 1,576,612 km (0.074 R)
• M6: 1,883,288 km (0.109 R)
• M7: 2,819,471 km (0.089 R)
• M8: 3,951,628 km (0.039 R)
• M9: 4,261,744 km (0.093 R)
• M10: 5,239,067 km (0.114 R)
• M11: 5,577,906 km (0.067 R)
• M12: 6,479,233 km (0.1 R)
• M13: 7,586,407 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.2

Radius: 14.4

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.06 AU - 3.36 AU

Year: 2837 Days

Day: 6.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,082,275 km

• M1: 180,116 km (0.073 R)
• M2: 662,868 km (0.115 R)
• M3: 1,166,863 km (0.073 R)
• M4: 1,633,908 km (0.101 R)
• M5: 2,120,251 km (0.115 R)
• M6: 2,746,916 km (0.063 R)
• M7: 3,200,048 km (0.097 R)
• M8: 4,125,311 km (0.098 R)
• M9: 4,724,301 km (0.112 R)
• M10: 5,803,799 km (0.085 R)
• M11: 6,480,131 km (0.038 R)
• M12: 7,607,351 km (0.081 R)
• M13: 8,481,002 km (0.101 R)
• M14: 8,958,668 km (0.028 R)
• M15: 11,739,543 km (0.074 R)
• M16: 12,293,803 km (0.037 R)
• M17: 13,073,807 km (0.073 R)
• M18: 13,712,739 km (0.097 R)
• M19: 15,191,963 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.3

Radius: 11.8

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.72 AU - 4.06 AU

Year: 3969 Days

Day: 9.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,082,275 km

• M1: 153,487 km (0.115 R)
• M2: 614,548 km (0.114 R)
• M3: 1,515,426 km (0.1 R)
• M4: 1,916,498 km (0.063 R)
• M5: 2,435,753 km (0.098 R)
• M6: 3,511,212 km (0.037 R)
• M7: 4,225,242 km (0.097 R)
• M8: 4,803,588 km (0.046 R)
• M9: 5,942,925 km (0.108 R)
• M10: 6,360,303 km (0.089 R)
• M11: 7,662,253 km (0.085 R)
• M12: 8,157,721 km (0.093 R)
• M13: 8,636,734 km (0.106 R)
• M14: 9,732,688 km (0.116 R)
• M15: 12,246,979 km (0.111 R)
• M16: 15,002,123 km (0.072 R)
• M17: 16,177,364 km (0.041 R)
• M18: 18,146,820 km (0.086 R)
• M19: 19,350,634 km (0.107 R)
• M20: 20,472,169 km (0.113 R)
• M21: 21,358,836 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.4

Radius: 10.7

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.78 AU - 4.22 AU

Year: 4163 Days

Day: 9.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,082,275 km

• M1: 134,189 km (0.079 R)
• M2: 605,123 km (0.11 R)
• M3: 1,162,525 km (0.118 R)
• M4: 1,548,338 km (0.065 R)
• M5: 2,259,825 km (0.092 R)
• M6: 4,209,534 km (0.087 R)
• M7: 5,521,657 km (0.12 R)
• M8: 6,606,242 km (0.113 R)
• M9: 8,429,990 km (0.058 R)
• M10: 8,901,821 km (0.068 R)
• M11: 11,455,008 km (0.061 R)
• M12: 11,995,356 km (0.104 R)
• M13: 12,552,458 km (0.091 R)
• M14: 13,891,060 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.1

Radius: 6.2

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.89 AU - 7.69 AU

Year: 11250 Days

Day: 18.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,082,275 km

• M1: 77,342 km (0.11 R)
• M2: 274,662 km (0.066 R)
• M3: 1,040,154 km (0.091 R)
• M4: 1,283,550 km (0.032 R)
• M5: 1,671,756 km (0.095 R)
• M6: 2,135,659 km (0.101 R)
• M7: 3,207,827 km (0.082 R)
• M8: 4,599,686 km (0.098 R)
• M9: 5,413,049 km (0.09 R)
• M10: 6,149,968 km (0.083 R)
• M11: 6,490,453 km (0.097 R)
• M12: 10,237,730 km (0.039 R)
• M13: 10,862,601 km (0.08 R)
• M14: 15,279,179 km (0.066 R)
• M15: 17,811,571 km (0.088 R)
• M16: 22,312,373 km (0.108 R)
• M17: 25,729,787 km (0.084 R)
• M18: 27,791,844 km (0.064 R)
• M19: 30,058,401 km (0.112 R)
• M20: 37,592,150 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.5

Radius: 7.1

Gravity: 15.54 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.01 AU - 9.29 AU

Year: 14793 Days

Day: 18.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,082,275 km

• M1: 88,263 km (0.11 R)
• M2: 364,570 km (0.092 R)
• M3: 656,435 km (0.076 R)
• M4: 899,831 km (0.106 R)
• M5: 1,153,400 km (0.082 R)
• M6: 1,577,061 km (0.029 R)
• M7: 2,218,088 km (0.119 R)
• M8: 3,095,479 km (0.107 R)
• M9: 6,414,607 km (0.098 R)
• M10: 7,876,029 km (0.059 R)
• M11: 8,212,474 km (0.075 R)
• M12: 8,558,494 km (0.099 R)
• M13: 8,811,614 km (0.116 R)
• M14: 9,709,799 km (0.09 R)
• M15: 12,508,776 km (0.115 R)
• M16: 12,769,375 km (0.115 R)
• M17: 15,879,964 km (0.036 R)
• M18: 20,524,529 km (0.1 R)
• M19: 23,056,772 km (0.109 R)
• M20: 23,448,718 km (0.079 R)
• M21: 25,164,755 km (0.073 R)
• M22: 28,844,863 km (0.047 R)
• M23: 31,169,165 km (0.063 R)
• M24: 31,769,202 km (0.111 R)
• M25: 35,272,336 km (0.113 R)
• M26: 36,982,987 km (0.044 R)
• M27: 38,748,242 km (0.061 R)
• M28: 39,024,699 km (0.113 R)
• M29: 41,428,138 km (0.094 R)
• M30: 43,480,023 km (0.102 R)
• M31: 48,422,886 km (0.091 R)
• M32: 53,385,047 km (0.09 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 11,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit