🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.5

Radius: 9.1

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.59 AU - 0.73 AU

Year: 364 Days

Day: 5.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 15,446,205 km

• M1: 113,246 km (0.093 R)
• M2: 598,990 km (0.076 R)
• M3: 929,302 km (0.119 R)
• M4: 1,443,021 km (0.107 R)
• M5: 1,830,779 km (0.085 R)
• M6: 2,203,726 km (0.117 R)
• M7: 2,618,561 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.4

Radius: 13.9

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.54 AU - 0.84 AU

Year: 389 Days

Day: 8.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 62.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 15,446,205 km

• M1: 172,935 km (0.117 R)
• M2: 643,720 km (0.067 R)
• M3: 1,079,049 km (0.115 R)
• M4: 1,541,905 km (0.069 R)
• M5: 2,043,956 km (0.085 R)
• M6: 2,542,416 km (0.12 R)
• M7: 3,005,870 km (0.102 R)
• M8: 4,054,701 km (0.063 R)
• M9: 4,593,851 km (0.119 R)
• M10: 5,366,225 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.2

Radius: 9.7

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.91 AU - 1.31 AU

Year: 793 Days

Day: 5.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,446,205 km

• M1: 120,576 km (0.119 R)
• M2: 422,764 km (0.1 R)
• M3: 927,656 km (0.026 R)
• M4: 1,443,919 km (0.03 R)
• M5: 1,817,465 km (0.098 R)
• M6: 2,126,983 km (0.113 R)
• M7: 2,813,487 km (0.118 R)
• M8: 3,153,224 km (0.105 R)
• M9: 3,520,487 km (0.083 R)
• M10: 4,178,418 km (0.059 R)
• M11: 4,738,662 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.9

Radius: 9

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.51 AU - 1.69 AU

Year: 1373 Days

Day: 7.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 15,446,205 km

• M1: 111,899 km (0.119 R)
• M2: 506,389 km (0.079 R)
• M3: 799,601 km (0.098 R)
• M4: 1,176,886 km (0.097 R)
• M5: 1,458,729 km (0.118 R)
• M6: 2,205,073 km (0.117 R)
• M7: 2,748,562 km (0.102 R)
• M8: 3,132,131 km (0.074 R)
• M9: 4,944,210 km (0.087 R)
• M10: 6,297,023 km (0.08 R)
• M11: 6,693,158 km (0.119 R)
• M12: 8,237,906 km (0.094 R)
• M13: 8,819,991 km (0.106 R)
• M14: 9,802,251 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.9

Radius: 8.7

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.65 AU - 2.99 AU

Year: 3212 Days

Day: 10.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 15,446,205 km

• M1: 116,238 km (0.091 R)
• M2: 588,069 km (0.095 R)
• M3: 948,002 km (0.057 R)
• M4: 1,423,125 km (0.111 R)
• M5: 1,798,914 km (0.1 R)
• M6: 2,325,349 km (0.072 R)
• M7: 3,340,670 km (0.116 R)
• M8: 3,625,654 km (0.083 R)
• M9: 4,789,974 km (0.107 R)
• M10: 5,178,629 km (0.11 R)
• M11: 5,854,961 km (0.071 R)
• M12: 6,736,991 km (0.093 R)
• M13: 7,382,954 km (0.117 R)
• M14: 8,480,853 km (0.073 R)
• M15: 9,160,326 km (0.065 R)
• M16: 10,187,765 km (0.064 R)
• M17: 11,038,528 km (0.1 R)
• M18: 13,253,923 km (0.065 R)
• M19: 17,788,084 km (0.076 R)
• M20: 19,079,862 km (0.083 R)
• M21: 19,687,229 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.7

Radius: 13.8

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.11 AU - 5.37 AU

Year: 6999 Days

Day: 9.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 15,446,205 km

• M1: 171,589 km (0.118 R)
• M2: 828,922 km (0.052 R)
• M3: 1,590,824 km (0.102 R)
• M4: 2,097,063 km (0.113 R)
• M5: 2,542,416 km (0.1 R)
• M6: 3,072,591 km (0.114 R)
• M7: 4,859,537 km (0.081 R)
• M8: 5,398,838 km (0.053 R)
• M9: 7,261,331 km (0.079 R)
• M10: 13,274,417 km (0.106 R)
• M11: 21,344,475 km (0.083 R)
• M12: 35,190,506 km (0.11 R)
• M13: 38,606,573 km (0.108 R)
• M14: 40,394,866 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.5

Radius: 6.7

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.86 AU - 9.74 AU

Year: 14775 Days

Day: 18.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 15,446,205 km

• M1: 83,326 km (0.109 R)
• M2: 477,666 km (0.104 R)
• M3: 2,913,419 km (0.029 R)
• M4: 4,520,249 km (0.073 R)
• M5: 6,035,227 km (0.07 R)
• M6: 7,657,765 km (0.109 R)
• M7: 8,678,472 km (0.081 R)
• M8: 9,418,532 km (0.09 R)
• M9: 10,410,516 km (0.088 R)
• M10: 10,696,098 km (0.113 R)
• M11: 12,600,629 km (0.096 R)
• M12: 13,846,031 km (0.033 R)
• M13: 14,899,798 km (0.093 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 11,839 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit