🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.9

Radius: 9.8

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.71 AU - 0.73 AU

Year: 394 Days

Day: 10.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 43,973,982 km

• M1: 139,425 km (0.115 R)
• M2: 454,478 km (0.087 R)
• M3: 1,568,085 km (0.087 R)
• M4: 2,028,697 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.6

Radius: 10.9

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.78 AU - 1.02 AU

Year: 551 Days

Day: 7.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 43,973,982 km

• M1: 135,536 km (0.12 R)
• M2: 1,412,802 km (0.117 R)
• M3: 2,014,485 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.9

Radius: 8.7

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.79 AU - 2.71 AU

Year: 2179 Days

Day: 9.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,973,982 km

• M1: 108,309 km (0.096 R)
• M2: 423,063 km (0.116 R)
• M3: 827,127 km (0.099 R)
• M4: 1,332,468 km (0.066 R)
• M5: 1,640,490 km (0.114 R)
• M6: 3,101,014 km (0.11 R)
• M7: 3,419,059 km (0.03 R)
• M8: 3,908,544 km (0.114 R)
• M9: 5,141,230 km (0.103 R)
• M10: 5,612,912 km (0.094 R)
• M11: 6,061,706 km (0.111 R)
• M12: 7,289,007 km (0.074 R)
• M13: 8,609,208 km (0.106 R)
• M14: 9,071,615 km (0.074 R)
• M15: 9,343,285 km (0.061 R)
• M16: 9,760,812 km (0.105 R)
• M17: 10,521,517 km (0.111 R)
• M18: 11,012,049 km (0.098 R)
• M19: 11,756,149 km (0.056 R)
• M20: 12,998,559 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.7

Radius: 9.7

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.27 AU - 4.89 AU

Year: 5321 Days

Day: 14.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,973,982 km

• M1: 120,725 km (0.12 R)
• M2: 439,219 km (0.069 R)
• M3: 826,379 km (0.096 R)
• M4: 1,139,337 km (0.063 R)
• M5: 1,651,560 km (0.118 R)
• M6: 2,205,671 km (0.086 R)
• M7: 2,618,412 km (0.062 R)
• M8: 2,933,913 km (0.118 R)
• M9: 4,293,010 km (0.093 R)
• M10: 4,608,811 km (0.12 R)
• M11: 5,178,929 km (0.11 R)
• M12: 5,565,789 km (0.094 R)
• M13: 7,107,544 km (0.109 R)
• M14: 7,412,724 km (0.091 R)
• M15: 8,085,915 km (0.056 R)
• M16: 11,102,107 km (0.033 R)
• M17: 11,560,325 km (0.067 R)
• M18: 12,661,964 km (0.116 R)
• M19: 13,263,946 km (0.109 R)
• M20: 22,627,426 km (0.06 R)
• M21: 27,623,995 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.5

Radius: 7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.26 AU - 8.3 AU

Year: 12683 Days

Day: 19.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 154.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,973,982 km

• M1: 87,964 km (0.095 R)
• M2: 316,250 km (0.11 R)
• M3: 658,530 km (0.093 R)
• M4: 1,391,260 km (0.113 R)
• M5: 1,764,058 km (0.08 R)
• M6: 2,866,445 km (0.112 R)
• M7: 3,762,985 km (0.119 R)
• M8: 4,512,769 km (0.119 R)
• M9: 6,124,836 km (0.039 R)
• M10: 6,457,392 km (0.111 R)
• M11: 6,675,207 km (0.086 R)
• M12: 7,596,430 km (0.102 R)
• M13: 8,267,975 km (0.114 R)
• M14: 9,607,624 km (0.076 R)
• M15: 10,778,975 km (0.072 R)
• M16: 12,230,972 km (0.086 R)
• M17: 13,053,312 km (0.097 R)
• M18: 14,434,100 km (0.097 R)
• M19: 15,241,929 km (0.041 R)
• M20: 17,243,548 km (0.078 R)
• M21: 19,738,392 km (0.09 R)
• M22: 21,414,337 km (0.094 R)
• M23: 22,040,254 km (0.112 R)
• M24: 23,037,922 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.9

Radius: 6

Gravity: 16.33 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.27 AU - 7.43 AU

Year: 12866 Days

Day: 15.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,973,982 km

• M1: 74,649 km (0.088 R)
• M2: 303,384 km (0.092 R)
• M3: 505,042 km (0.104 R)
• M4: 704,008 km (0.1 R)
• M5: 1,307,186 km (0.045 R)
• M6: 1,693,298 km (0.11 R)
• M7: 2,669,873 km (0.057 R)
• M8: 3,365,802 km (0.09 R)
• M9: 4,323,079 km (0.057 R)
• M10: 5,076,753 km (0.088 R)
• M11: 5,769,092 km (0.05 R)
• M12: 5,988,552 km (0.111 R)
• M13: 11,014,143 km (0.068 R)
• M14: 12,961,309 km (0.041 R)
• M15: 13,211,886 km (0.069 R)
• M16: 14,048,886 km (0.105 R)
• M17: 14,784,159 km (0.116 R)
• M18: 14,989,108 km (0.066 R)
• M19: 16,258,745 km (0.115 R)
• M20: 20,580,628 km (0.115 R)
• M21: 22,685,171 km (0.112 R)
• M22: 25,512,421 km (0.071 R)
• M23: 25,906,312 km (0.053 R)
• M24: 30,400,083 km (0.109 R)
• M25: 31,177,543 km (0.069 R)
• M26: 32,541,277 km (0.087 R)
• M27: 33,354,790 km (0.097 R)
• M28: 34,420,675 km (0.055 R)
• M29: 41,161,705 km (0.111 R)
• M30: 44,626,242 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.8

Radius: 3.5

Gravity: 13.7 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 7.29 AU - 10.93 AU

Year: 17754 Days

Day: 17.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 130.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,973,982 km

• M1: 43,533 km (0.11 R)
• M2: 197,768 km (0.107 R)
• M3: 433,235 km (0.066 R)
• M4: 666,159 km (0.101 R)
• M5: 917,783 km (0.052 R)
• M6: 1,103,883 km (0.046 R)
• M7: 1,469,649 km (0.11 R)
• M8: 2,232,898 km (0.076 R)
• M9: 2,709,965 km (0.061 R)
• M10: 3,760,292 km (0.106 R)
• M11: 4,208,936 km (0.053 R)
• M12: 5,371,760 km (0.092 R)
• M13: 9,771,733 km (0.072 R)
• M14: 12,501,894 km (0.076 R)
• M15: 13,554,165 km (0.09 R)
• M16: 14,664,182 km (0.081 R)
• M17: 16,440,507 km (0.107 R)
• M18: 19,025,109 km (0.099 R)
• M19: 20,971,078 km (0.08 R)
• M20: 27,791,245 km (0.083 R)
• M21: 32,175,660 km (0.101 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 11,150 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit