🌌 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: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.3

Radius: 14.5

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.56 AU - 0.82 AU

Year: 370 Days

Day: 7.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,503,254 km

• M1: 180,415 km (0.108 R)
• M2: 651,948 km (0.026 R)
• M3: 1,111,512 km (0.105 R)
• M4: 1,660,088 km (0.063 R)
• M5: 2,319,814 km (0.04 R)
• M6: 2,991,209 km (0.096 R)
• M7: 3,631,638 km (0.087 R)
• M8: 4,187,544 km (0.06 R)
• M9: 4,947,650 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.7

Radius: 8.4

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.74 AU - 0.86 AU

Year: 462 Days

Day: 7.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,503,254 km

• M1: 104,569 km (0.109 R)
• M2: 392,545 km (0.119 R)
• M3: 653,743 km (0.117 R)
• M4: 1,053,468 km (0.057 R)
• M5: 1,489,845 km (0.104 R)
• M6: 1,784,403 km (0.039 R)
• M7: 2,059,514 km (0.057 R)
• M8: 2,372,173 km (0.107 R)
• M9: 2,953,960 km (0.052 R)
• M10: 3,307,459 km (0.097 R)
• M11: 3,738,750 km (0.096 R)
• M12: 4,220,754 km (0.032 R)
• M13: 4,728,789 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.8

Radius: 8.8

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.49 AU - 1.83 AU

Year: 1381 Days

Day: 13.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,503,254 km

• M1: 127,906 km (0.084 R)
• M2: 602,131 km (0.116 R)
• M3: 958,324 km (0.097 R)
• M4: 1,325,886 km (0.102 R)
• M5: 2,694,856 km (0.11 R)
• M6: 3,332,891 km (0.076 R)
• M7: 4,050,961 km (0.106 R)
• M8: 6,352,823 km (0.045 R)
• M9: 7,741,241 km (0.065 R)
• M10: 9,872,263 km (0.103 R)
• M11: 10,412,161 km (0.111 R)
• M12: 10,738,883 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.7

Radius: 12.3

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.33 AU - 2.21 AU

Year: 1520 Days

Day: 14.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,503,254 km

• M1: 154,086 km (0.11 R)
• M2: 626,067 km (0.102 R)
• M3: 1,307,785 km (0.114 R)
• M4: 2,411,667 km (0.108 R)
• M5: 3,273,052 km (0.04 R)
• M6: 4,202,055 km (0.04 R)
• M7: 4,907,409 km (0.082 R)
• M8: 5,535,869 km (0.098 R)
• M9: 6,360,303 km (0.109 R)
• M10: 6,903,343 km (0.075 R)
• M11: 7,423,645 km (0.115 R)
• M12: 7,942,151 km (0.065 R)
• M13: 8,397,527 km (0.101 R)
• M14: 9,772,331 km (0.085 R)
• M15: 10,564,452 km (0.1 R)
• M16: 11,011,002 km (0.104 R)
• M17: 12,164,551 km (0.106 R)
• M18: 12,579,087 km (0.065 R)
• M19: 13,199,020 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.4

Radius: 10.3

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.69 AU - 2.77 AU

Year: 2150 Days

Day: 9.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,503,254 km

• M1: 128,056 km (0.093 R)
• M2: 507,885 km (0.119 R)
• M3: 945,159 km (0.099 R)
• M4: 1,313,769 km (0.048 R)
• M5: 1,925,474 km (0.078 R)
• M6: 2,279,423 km (0.056 R)
• M7: 2,829,195 km (0.118 R)
• M8: 3,353,087 km (0.078 R)
• M9: 4,363,171 km (0.052 R)
• M10: 4,959,768 km (0.091 R)
• M11: 5,409,160 km (0.114 R)
• M12: 5,885,479 km (0.042 R)
• M13: 6,488,957 km (0.034 R)
• M14: 7,240,088 km (0.108 R)
• M15: 10,451,206 km (0.111 R)
• M16: 12,386,704 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.1

Radius: 3.5

Gravity: 24.09 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.3 AU - 7.26 AU

Year: 11399 Days

Day: 15.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,503,254 km

• M1: 47,871 km (0.107 R)
• M2: 289,322 km (0.113 R)
• M3: 499,058 km (0.098 R)
• M4: 645,365 km (0.098 R)
• M5: 1,513,781 km (0.097 R)
• M6: 1,823,897 km (0.075 R)
• M7: 2,091,229 km (0.062 R)
• M8: 2,243,070 km (0.042 R)
• M9: 2,402,243 km (0.115 R)
• M10: 2,763,073 km (0.113 R)
• M11: 2,966,975 km (0.06 R)
• M12: 4,166,600 km (0.09 R)
• M13: 5,559,954 km (0.099 R)
• M14: 8,272,014 km (0.102 R)
• M15: 10,147,074 km (0.098 R)
• M16: 10,339,307 km (0.111 R)
• M17: 10,484,866 km (0.03 R)
• M18: 11,081,462 km (0.112 R)
• M19: 11,543,420 km (0.108 R)
• M20: 12,671,239 km (0.089 R)
• M21: 13,988,298 km (0.09 R)
• M22: 19,424,984 km (0.117 R)
• M23: 23,767,212 km (0.093 R)
• M24: 25,142,166 km (0.034 R)
• M25: 27,581,060 km (0.103 R)
• M26: 28,809,708 km (0.11 R)
• M27: 30,870,717 km (0.095 R)
• M28: 36,504,723 km (0.088 R)
• M29: 37,639,273 km (0.113 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 18,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit