🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.1

Radius: 8.1

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.67 AU - 0.73 AU

Year: 391 Days

Day: 11.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,811,176 km

• M1: 100,829 km (0.075 R)
• M2: 524,490 km (0.057 R)
• M3: 838,047 km (0.084 R)
• M4: 1,331,571 km (0.104 R)
• M5: 1,613,114 km (0.091 R)
• M6: 1,903,035 km (0.104 R)
• M7: 2,184,129 km (0.098 R)
• M8: 2,936,008 km (0.116 R)
• M9: 3,550,556 km (0.083 R)
• M10: 3,824,470 km (0.08 R)
• M11: 4,289,420 km (0.103 R)
• M12: 4,866,419 km (0.068 R)
• M13: 5,268,538 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.9

Radius: 8.9

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.1 AU - 2.5 AU

Year: 2326 Days

Day: 11.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,811,176 km

• M1: 112,946 km (0.086 R)
• M2: 478,115 km (0.112 R)
• M3: 1,013,376 km (0.058 R)
• M4: 1,575,415 km (0.104 R)
• M5: 2,716,398 km (0.084 R)
• M6: 3,997,554 km (0.06 R)
• M7: 5,392,854 km (0.061 R)
• M8: 5,851,820 km (0.046 R)
• M9: 6,563,607 km (0.118 R)
• M10: 7,168,132 km (0.113 R)
• M11: 7,723,588 km (0.118 R)
• M12: 9,563,343 km (0.061 R)
• M13: 10,065,394 km (0.094 R)
• M14: 10,941,289 km (0.116 R)
• M15: 11,677,759 km (0.096 R)
• M16: 12,724,047 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.4

Radius: 13.7

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.85 AU - 3.25 AU

Year: 3552 Days

Day: 12.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,811,176 km

• M1: 170,542 km (0.112 R)
• M2: 600,336 km (0.099 R)
• M3: 1,168,509 km (0.084 R)
• M4: 2,237,386 km (0.043 R)
• M5: 3,529,014 km (0.091 R)
• M6: 4,100,627 km (0.094 R)
• M7: 4,563,483 km (0.053 R)
• M8: 5,270,483 km (0.117 R)
• M9: 6,436,748 km (0.058 R)
• M10: 8,335,444 km (0.107 R)
• M11: 9,276,714 km (0.099 R)
• M12: 10,841,657 km (0.098 R)
• M13: 12,056,242 km (0.108 R)
• M14: 12,817,845 km (0.114 R)
• M15: 14,331,925 km (0.087 R)
• M16: 19,783,870 km (0.095 R)
• M17: 20,375,529 km (0.071 R)
• M18: 21,250,976 km (0.051 R)
• M19: 22,789,440 km (0.086 R)
• M20: 23,732,805 km (0.072 R)
• M21: 24,176,811 km (0.117 R)
• M22: 26,087,325 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.4

Radius: 12.3

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.77 AU - 4.17 AU

Year: 4310 Days

Day: 8.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,811,176 km

• M1: 153,637 km (0.026 R)
• M2: 576,700 km (0.119 R)
• M3: 1,028,785 km (0.058 R)
• M4: 1,784,852 km (0.069 R)
• M5: 2,332,530 km (0.095 R)
• M6: 3,063,166 km (0.04 R)
• M7: 4,162,561 km (0.051 R)
• M8: 4,803,288 km (0.062 R)
• M9: 5,400,034 km (0.096 R)
• M10: 6,463,825 km (0.106 R)
• M11: 7,225,428 km (0.073 R)
• M12: 8,152,785 km (0.105 R)
• M13: 8,701,360 km (0.058 R)
• M14: 9,832,021 km (0.057 R)
• M15: 15,130,179 km (0.054 R)
• M16: 15,735,751 km (0.109 R)
• M17: 16,300,334 km (0.094 R)
• M18: 16,936,873 km (0.113 R)
• M19: 20,438,061 km (0.076 R)
• M20: 20,839,731 km (0.113 R)
• M21: 21,452,185 km (0.104 R)
• M22: 22,570,579 km (0.092 R)
• M23: 23,144,137 km (0.043 R)
• M24: 24,171,126 km (0.074 R)
• M25: 25,151,890 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.3

Radius: 14.7

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.73 AU - 5.45 AU

Year: 6558 Days

Day: 6.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,811,176 km

• M1: 182,809 km (0.093 R)
• M2: 1,102,536 km (0.119 R)
• M3: 1,789,041 km (0.049 R)
• M4: 2,317,271 km (0.081 R)
• M5: 2,791,347 km (0.084 R)
• M6: 4,246,186 km (0.066 R)
• M7: 4,878,087 km (0.093 R)
• M8: 5,796,319 km (0.057 R)
• M9: 6,400,844 km (0.037 R)
• M10: 7,196,854 km (0.108 R)
• M11: 8,057,940 km (0.09 R)
• M12: 8,812,811 km (0.082 R)
• M13: 9,660,432 km (0.042 R)
• M14: 10,223,219 km (0.031 R)
• M15: 13,662,624 km (0.103 R)
• M16: 14,554,377 km (0.083 R)
• M17: 18,729,653 km (0.083 R)
• M18: 23,059,614 km (0.05 R)
• M19: 34,069,269 km (0.085 R)
• M20: 39,857,061 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 263.8

Radius: 7.5

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.41 AU - 10.53 AU

Year: 17915 Days

Day: 21.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,811,176 km

• M1: 102,774 km (0.068 R)
• M2: 485,894 km (0.09 R)
• M3: 830,119 km (0.118 R)
• M4: 1,115,252 km (0.06 R)
• M5: 1,791,584 km (0.085 R)
• M6: 2,040,964 km (0.084 R)
• M7: 2,529,102 km (0.035 R)
• M8: 4,119,028 km (0.1 R)
• M9: 5,289,332 km (0.077 R)
• M10: 6,208,461 km (0.08 R)
• M11: 7,313,092 km (0.106 R)
• M12: 8,451,233 km (0.104 R)
• M13: 10,373,116 km (0.087 R)
• M14: 10,909,275 km (0.111 R)
• M15: 12,993,772 km (0.07 R)
• M16: 13,427,905 km (0.034 R)
• M17: 14,194,594 km (0.105 R)
• M18: 14,588,635 km (0.116 R)
• M19: 15,885,050 km (0.076 R)
• M20: 16,381,416 km (0.111 R)
• M21: 20,732,171 km (0.069 R)
• M22: 22,901,489 km (0.092 R)
• M23: 25,217,713 km (0.075 R)
• M24: 27,787,655 km (0.03 R)
• M25: 29,135,831 km (0.1 R)
• M26: 31,738,385 km (0.114 R)
• M27: 32,525,868 km (0.104 R)
• M28: 34,022,445 km (0.037 R)
• M29: 37,276,498 km (0.094 R)
• M30: 40,469,366 km (0.118 R)
• M31: 48,421,091 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.4

Radius: 7.7

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 8.9 AU - 11.08 AU

Year: 21056 Days

Day: 16.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,811,176 km

• M1: 96,790 km (0.116 R)
• M2: 482,603 km (0.053 R)
• M3: 828,024 km (0.111 R)
• M4: 1,077,853 km (0.109 R)
• M5: 2,732,256 km (0.088 R)
• M6: 3,819,234 km (0.055 R)
• M7: 10,301,160 km (0.039 R)
• M8: 12,124,159 km (0.097 R)
• M9: 13,643,326 km (0.093 R)
• M10: 17,222,156 km (0.104 R)
• M11: 19,681,993 km (0.096 R)
• M12: 24,962,050 km (0.088 R)
• M13: 31,616,313 km (0.097 R)
• M14: 44,697,001 km (0.103 R)
• M15: 47,123,329 km (0.099 R)
• M16: 70,417,363 km (0.115 R)
• M17: 71,499,106 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 12,412 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit