🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.3

Radius: 13.5

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.84 AU - 1.24 AU

Year: 685 Days

Day: 7.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,448,525 km

• M1: 168,148 km (0.074 R)
• M2: 785,239 km (0.104 R)
• M3: 1,332,319 km (0.076 R)
• M4: 1,781,112 km (0.054 R)
• M5: 2,577,422 km (0.113 R)
• M6: 3,341,717 km (0.109 R)
• M7: 3,991,720 km (0.083 R)
• M8: 5,286,490 km (0.113 R)
• M9: 5,736,779 km (0.119 R)
• M10: 6,172,109 km (0.09 R)
• M11: 7,065,059 km (0.114 R)
• M12: 8,164,453 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.3

Radius: 9.3

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.94 AU - 1.54 AU

Year: 892 Days

Day: 7.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 58,448,525 km

• M1: 115,639 km (0.081 R)
• M2: 869,313 km (0.108 R)
• M3: 1,764,507 km (0.085 R)
• M4: 2,376,661 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.7

Radius: 11.4

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3 AU - 3.18 AU

Year: 3507 Days

Day: 10.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,448,525 km

• M1: 141,819 km (0.086 R)
• M2: 680,222 km (0.116 R)
• M3: 1,452,595 km (0.042 R)
• M4: 1,826,740 km (0.054 R)
• M5: 2,726,421 km (0.095 R)
• M6: 3,085,456 km (0.088 R)
• M7: 3,775,551 km (0.085 R)
• M8: 4,313,355 km (0.036 R)
• M9: 5,357,997 km (0.1 R)
• M10: 5,732,291 km (0.08 R)
• M11: 6,776,335 km (0.062 R)
• M12: 7,606,005 km (0.054 R)
• M13: 8,828,369 km (0.097 R)
• M14: 11,050,196 km (0.035 R)
• M15: 11,439,300 km (0.118 R)
• M16: 16,123,808 km (0.071 R)
• M17: 17,483,354 km (0.051 R)
• M18: 18,012,332 km (0.118 R)
• M19: 21,816,605 km (0.112 R)
• M20: 23,691,216 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.8

Radius: 8.1

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.79 AU - 4.45 AU

Year: 4447 Days

Day: 9.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 134.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,448,525 km

• M1: 100,679 km (0.101 R)
• M2: 391,647 km (0.097 R)
• M3: 736,620 km (0.115 R)
• M4: 1,146,368 km (0.07 R)
• M5: 1,524,253 km (0.079 R)
• M6: 2,156,603 km (0.069 R)
• M7: 2,487,364 km (0.105 R)
• M8: 3,380,912 km (0.107 R)
• M9: 3,728,577 km (0.062 R)
• M10: 4,845,325 km (0.095 R)
• M11: 7,147,487 km (0.105 R)
• M12: 7,495,003 km (0.117 R)
• M13: 9,255,919 km (0.117 R)
• M14: 9,593,113 km (0.082 R)
• M15: 10,983,176 km (0.106 R)
• M16: 11,835,136 km (0.109 R)
• M17: 13,670,403 km (0.11 R)
• M18: 14,256,079 km (0.045 R)
• M19: 16,059,930 km (0.097 R)
• M20: 22,377,448 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761

Radius: 10.4

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.52 AU - 5.72 AU

Year: 6412 Days

Day: 12.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,448,525 km

• M1: 131,048 km (0.117 R)
• M2: 455,675 km (0.087 R)
• M3: 861,385 km (0.104 R)
• M4: 1,225,207 km (0.111 R)
• M5: 1,613,712 km (0.101 R)
• M6: 2,053,680 km (0.106 R)
• M7: 2,720,587 km (0.083 R)
• M8: 3,178,057 km (0.045 R)
• M9: 4,021,939 km (0.105 R)
• M10: 5,301,449 km (0.069 R)
• M11: 5,636,698 km (0.071 R)
• M12: 6,417,749 km (0.084 R)
• M13: 7,085,853 km (0.089 R)
• M14: 9,066,828 km (0.076 R)
• M15: 9,414,942 km (0.117 R)
• M16: 10,466,017 km (0.096 R)
• M17: 11,291,946 km (0.088 R)
• M18: 13,073,508 km (0.07 R)
• M19: 15,217,095 km (0.08 R)
• M20: 17,719,868 km (0.054 R)
• M21: 18,542,207 km (0.026 R)
• M22: 24,603,165 km (0.044 R)
• M23: 25,282,190 km (0.099 R)
• M24: 27,575,525 km (0.113 R)
• M25: 30,293,120 km (0.061 R)
• M26: 30,681,626 km (0.076 R)
• M27: 31,468,211 km (0.11 R)
• M28: 34,856,304 km (0.115 R)
• M29: 36,037,529 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.5

Radius: 7.9

Gravity: 15.33 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.06 AU - 8.04 AU

Year: 10824 Days

Day: 20.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,448,525 km

• M1: 142,118 km (0.083 R)
• M2: 877,691 km (0.097 R)
• M3: 1,309,580 km (0.087 R)
• M4: 2,557,226 km (0.046 R)
• M5: 2,930,921 km (0.082 R)
• M6: 3,927,393 km (0.079 R)
• M7: 4,580,836 km (0.111 R)
• M8: 5,657,941 km (0.095 R)
• M9: 5,914,501 km (0.107 R)
• M10: 7,980,149 km (0.114 R)
• M11: 9,376,495 km (0.07 R)
• M12: 13,995,479 km (0.112 R)
• M13: 16,903,961 km (0.104 R)
• M14: 17,825,933 km (0.057 R)
• M15: 21,761,853 km (0.053 R)
• M16: 24,750,220 km (0.095 R)
• M17: 25,837,647 km (0.074 R)
• M18: 27,895,964 km (0.104 R)
• M19: 28,641,410 km (0.113 R)
• M20: 33,158,218 km (0.069 R)
• M21: 33,994,770 km (0.083 R)
• M22: 41,611,845 km (0.109 R)
• M23: 42,026,979 km (0.109 R)
• M24: 42,584,829 km (0.112 R)
• M25: 44,000,923 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.4

Radius: 4.5

Gravity: 22.34 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.97 AU - 9.43 AU

Year: 16569 Days

Day: 21.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,448,525 km

• M1: 57,446 km (0.104 R)
• M2: 304,282 km (0.064 R)
• M3: 628,161 km (0.062 R)
• M4: 946,655 km (0.066 R)
• M5: 1,244,056 km (0.112 R)
• M6: 1,585,737 km (0.066 R)
• M7: 1,762,113 km (0.061 R)
• M8: 1,951,504 km (0.116 R)
• M9: 3,336,631 km (0.119 R)
• M10: 3,906,300 km (0.118 R)
• M11: 4,570,215 km (0.066 R)
• M12: 5,484,108 km (0.067 R)
• M13: 6,842,008 km (0.108 R)
• M14: 7,224,380 km (0.073 R)
• M15: 7,801,828 km (0.092 R)
• M16: 8,457,366 km (0.094 R)
• M17: 8,798,599 km (0.041 R)
• M18: 9,665,369 km (0.057 R)
• M19: 12,356,036 km (0.103 R)
• M20: 12,986,741 km (0.061 R)
• M21: 13,244,947 km (0.109 R)
• M22: 14,866,438 km (0.052 R)
• M23: 15,435,060 km (0.103 R)
• M24: 16,540,139 km (0.078 R)
• M25: 17,150,648 km (0.087 R)
• M26: 17,305,631 km (0.11 R)
• M27: 21,132,345 km (0.092 R)
• M28: 21,399,975 km (0.071 R)
• M29: 27,766,262 km (0.041 R)
• M30: 28,194,711 km (0.114 R)
• M31: 31,550,191 km (0.05 R)
• M32: 35,412,359 km (0.114 R)
• M33: 36,681,099 km (0.097 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: 448 - 13,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit