🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.4

Radius: 9.6

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.77 AU - 0.89 AU

Year: 532 Days

Day: 7.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 163.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,830,584 km

• M1: 119,678 km (0.068 R)
• M2: 482,453 km (0.073 R)
• M3: 1,565,392 km (0.095 R)
• M4: 1,944,024 km (0.067 R)
• M5: 2,326,247 km (0.119 R)
• M6: 2,869,886 km (0.09 R)
• M7: 3,807,715 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.4

Radius: 12.4

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.79 AU - 1.23 AU

Year: 713 Days

Day: 5.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,830,584 km

• M1: 154,235 km (0.075 R)
• M2: 664,364 km (0.112 R)
• M3: 1,121,236 km (0.034 R)
• M4: 1,529,189 km (0.09 R)
• M5: 1,972,298 km (0.099 R)
• M6: 2,534,786 km (0.104 R)
• M7: 3,255,698 km (0.106 R)
• M8: 3,789,464 km (0.066 R)
• M9: 4,717,120 km (0.117 R)
• M10: 5,253,428 km (0.076 R)
• M11: 6,321,557 km (0.034 R)
• M12: 7,202,539 km (0.031 R)
• M13: 7,842,070 km (0.102 R)
• M14: 8,340,081 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.5

Radius: 9.6

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.92 AU - 4.56 AU

Year: 6137 Days

Day: 8 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,830,584 km

• M1: 119,379 km (0.081 R)
• M2: 454,179 km (0.051 R)
• M3: 1,054,665 km (0.104 R)
• M4: 1,433,297 km (0.059 R)
• M5: 1,831,676 km (0.099 R)
• M6: 2,142,690 km (0.087 R)
• M7: 2,506,662 km (0.087 R)
• M8: 3,878,774 km (0.08 R)
• M9: 4,194,575 km (0.06 R)
• M10: 4,741,355 km (0.098 R)
• M11: 5,573,717 km (0.119 R)
• M12: 5,977,183 km (0.078 R)
• M13: 10,398,099 km (0.067 R)
• M14: 11,059,023 km (0.087 R)
• M15: 13,048,225 km (0.113 R)
• M16: 13,539,206 km (0.034 R)
• M17: 16,939,565 km (0.109 R)
• M18: 19,288,102 km (0.044 R)
• M19: 21,018,800 km (0.05 R)
• M20: 22,305,641 km (0.048 R)
• M21: 23,324,702 km (0.099 R)
• M22: 23,885,993 km (0.1 R)
• M23: 26,050,375 km (0.032 R)
• M24: 28,615,230 km (0.105 R)
• M25: 28,981,745 km (0.089 R)
• M26: 30,289,230 km (0.114 R)
• M27: 32,422,646 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.4

Radius: 13.9

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.6 AU - 5 AU

Year: 6268 Days

Day: 12.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,830,584 km

• M1: 175,179 km (0.114 R)
• M2: 699,520 km (0.101 R)
• M3: 1,232,238 km (0.058 R)
• M4: 2,323,554 km (0.119 R)
• M5: 3,055,387 km (0.103 R)
• M6: 3,543,226 km (0.095 R)
• M7: 7,065,358 km (0.099 R)
• M8: 7,581,171 km (0.103 R)
• M9: 9,456,081 km (0.112 R)
• M10: 9,992,240 km (0.1 R)
• M11: 11,126,042 km (0.06 R)
• M12: 12,876,936 km (0.116 R)
• M13: 13,761,658 km (0.085 R)
• M14: 14,568,738 km (0.071 R)
• M15: 16,025,373 km (0.112 R)
• M16: 19,298,125 km (0.092 R)
• M17: 20,089,947 km (0.117 R)
• M18: 20,828,512 km (0.113 R)
• M19: 21,970,093 km (0.095 R)
• M20: 26,252,332 km (0.088 R)
• M21: 32,450,321 km (0.109 R)
• M22: 34,505,646 km (0.106 R)
• M23: 35,032,680 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.5

Radius: 11.7

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.91 AU - 5.15 AU

Year: 6777 Days

Day: 9.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,830,584 km

• M1: 145,559 km (0.082 R)
• M2: 590,912 km (0.099 R)
• M3: 997,070 km (0.069 R)
• M4: 1,384,379 km (0.106 R)
• M5: 2,407,329 km (0.106 R)
• M6: 3,209,622 km (0.072 R)
• M7: 3,953,273 km (0.103 R)
• M8: 4,528,776 km (0.059 R)
• M9: 5,590,921 km (0.074 R)
• M10: 6,352,075 km (0.032 R)
• M11: 8,966,148 km (0.1 R)
• M12: 11,385,744 km (0.101 R)
• M13: 12,066,265 km (0.084 R)
• M14: 12,996,913 km (0.03 R)
• M15: 13,624,177 km (0.114 R)
• M16: 14,033,776 km (0.087 R)
• M17: 16,076,685 km (0.038 R)
• M18: 17,407,358 km (0.109 R)
• M19: 18,954,499 km (0.066 R)
• M20: 19,318,471 km (0.079 R)
• M21: 20,514,954 km (0.051 R)
• M22: 21,839,494 km (0.073 R)
• M23: 23,805,659 km (0.074 R)
• M24: 26,607,028 km (0.083 R)
• M25: 37,335,739 km (0.109 R)
• M26: 38,603,431 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.3

Radius: 7.6

Gravity: 14.1 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.94 AU - 7.1 AU

Year: 10383 Days

Day: 20.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,830,584 km

• M1: 94,695 km (0.075 R)
• M2: 363,523 km (0.118 R)
• M3: 906,563 km (0.083 R)
• M4: 1,627,774 km (0.07 R)
• M5: 2,322,657 km (0.096 R)
• M6: 5,490,092 km (0.06 R)
• M7: 6,708,268 km (0.108 R)
• M8: 8,007,974 km (0.08 R)
• M9: 10,445,522 km (0.079 R)
• M10: 12,480,202 km (0.039 R)
• M11: 12,904,462 km (0.097 R)
• M12: 14,832,629 km (0.112 R)
• M13: 19,250,404 km (0.095 R)
• M14: 19,980,890 km (0.115 R)
• M15: 20,561,629 km (0.092 R)
• M16: 21,410,746 km (0.067 R)
• M17: 25,620,131 km (0.087 R)
• M18: 26,305,439 km (0.099 R)
• M19: 28,227,622 km (0.113 R)
• M20: 29,169,939 km (0.096 R)
• M21: 38,106,318 km (0.116 R)
• M22: 40,959,299 km (0.086 R)
• M23: 45,501,090 km (0.079 R)
• M24: 46,795,560 km (0.083 R)
• M25: 48,262,517 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.9

Radius: 6.6

Gravity: 19.01 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.87 AU - 6.89 AU

Year: 12685 Days

Day: 17.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,830,584 km

• M1: 82,279 km (0.114 R)
• M2: 1,168,958 km (0.063 R)
• M3: 2,095,567 km (0.118 R)
• M4: 2,409,723 km (0.114 R)
• M5: 2,987,469 km (0.097 R)
• M6: 3,599,175 km (0.073 R)
• M7: 4,291,065 km (0.11 R)
• M8: 4,604,323 km (0.038 R)
• M9: 5,206,455 km (0.103 R)
• M10: 6,050,785 km (0.115 R)
• M11: 6,648,578 km (0.067 R)
• M12: 9,078,347 km (0.112 R)
• M13: 9,648,015 km (0.082 R)
• M14: 10,131,516 km (0.118 R)
• M15: 11,679,555 km (0.118 R)
• M16: 12,290,811 km (0.045 R)
• M17: 13,710,645 km (0.073 R)
• M18: 15,093,228 km (0.102 R)
• M19: 16,949,140 km (0.116 R)
• M20: 17,732,284 km (0.104 R)
• M21: 19,202,383 km (0.064 R)
• M22: 23,229,857 km (0.091 R)
• M23: 26,103,781 km (0.101 R)
• M24: 30,558,806 km (0.103 R)
• M25: 33,388,450 km (0.12 R)
• M26: 35,748,805 km (0.089 R)
• M27: 40,246,315 km (0.119 R)
• M28: 42,061,087 km (0.091 R)
• M29: 43,784,155 km (0.099 R)
• M30: 45,853,094 km (0.088 R)
• M31: 49,549,956 km (0.077 R)
• M32: 50,184,850 km (0.1 R)
• M33: 50,825,129 km (0.07 R)
• M34: 51,633,107 km (0.12 R)
• M35: 58,408,095 km (0.103 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 20,285 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit