🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.2

Radius: 10.3

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.81 AU - 1.01 AU

Year: 569 Days

Day: 7 Hours

Environment

Temp: -155 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,092,477 km

• M1: 128,056 km (0.084 R)
• M2: 521,947 km (0.077 R)
• M3: 939,175 km (0.056 R)
• M4: 1,586,037 km (0.066 R)
• M5: 2,118,007 km (0.083 R)
• M6: 2,527,157 km (0.025 R)
• M7: 3,954,470 km (0.119 R)
• M8: 4,372,895 km (0.111 R)
• M9: 4,763,196 km (0.108 R)
• M10: 5,146,466 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.5

Radius: 8.2

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.69 AU - 2.81 AU

Year: 2214 Days

Day: 12.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,092,477 km

• M1: 102,026 km (0.109 R)
• M2: 455,825 km (0.084 R)
• M3: 880,533 km (0.09 R)
• M4: 1,404,126 km (0.117 R)
• M5: 1,998,179 km (0.066 R)
• M6: 2,446,972 km (0.116 R)
• M7: 2,736,444 km (0.106 R)
• M8: 3,385,101 km (0.092 R)
• M9: 3,762,835 km (0.081 R)
• M10: 4,042,134 km (0.069 R)
• M11: 4,564,381 km (0.053 R)
• M12: 4,943,761 km (0.057 R)
• M13: 5,497,123 km (0.108 R)
• M14: 5,788,839 km (0.067 R)
• M15: 6,330,383 km (0.071 R)
• M16: 6,854,126 km (0.025 R)
• M17: 7,298,880 km (0.075 R)
• M18: 8,130,644 km (0.114 R)
• M19: 9,024,043 km (0.054 R)
• M20: 10,114,162 km (0.069 R)
• M21: 11,040,472 km (0.084 R)
• M22: 11,361,509 km (0.112 R)
• M23: 12,172,480 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.4

Radius: 13.3

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.14 AU - 2.74 AU

Year: 2500 Days

Day: 11.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,092,477 km

• M1: 168,148 km (0.109 R)
• M2: 719,566 km (0.093 R)
• M3: 1,268,440 km (0.116 R)
• M4: 1,763,908 km (0.099 R)
• M5: 3,175,813 km (0.109 R)
• M6: 5,428,757 km (0.106 R)
• M7: 6,330,683 km (0.096 R)
• M8: 7,506,672 km (0.119 R)
• M9: 8,178,216 km (0.085 R)
• M10: 9,090,614 km (0.064 R)
• M11: 10,178,789 km (0.085 R)
• M12: 11,509,761 km (0.105 R)
• M13: 12,320,731 km (0.117 R)
• M14: 15,656,464 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.6

Radius: 14.5

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.53 AU - 2.93 AU

Year: 2959 Days

Day: 8.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,092,477 km

• M1: 180,265 km (0.087 R)
• M2: 706,700 km (0.03 R)
• M3: 1,225,506 km (0.097 R)
• M4: 1,993,840 km (0.1 R)
• M5: 3,085,905 km (0.04 R)
• M6: 3,688,336 km (0.104 R)
• M7: 4,175,277 km (0.117 R)
• M8: 4,915,636 km (0.115 R)
• M9: 5,848,529 km (0.118 R)
• M10: 6,457,242 km (0.082 R)
• M11: 7,355,578 km (0.114 R)
• M12: 11,759,889 km (0.085 R)
• M13: 12,239,799 km (0.066 R)
• M14: 15,765,222 km (0.077 R)
• M15: 16,948,392 km (0.099 R)
• M16: 18,247,799 km (0.041 R)
• M17: 20,289,062 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.3

Radius: 11.8

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.73 AU - 3.99 AU

Year: 4975 Days

Day: 10.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 83,092,477 km

• M1: 148,850 km (0.073 R)
• M2: 603,627 km (0.11 R)
• M3: 999,314 km (0.08 R)
• M4: 1,905,727 km (0.071 R)
• M5: 2,398,353 km (0.065 R)
• M6: 2,804,062 km (0.053 R)
• M7: 3,276,642 km (0.059 R)
• M8: 3,802,179 km (0.051 R)
• M9: 4,669,249 km (0.073 R)
• M10: 5,221,414 km (0.092 R)
• M11: 5,633,407 km (0.091 R)
• M12: 7,250,410 km (0.103 R)
• M13: 8,501,348 km (0.093 R)
• M14: 11,427,033 km (0.066 R)
• M15: 12,124,608 km (0.077 R)
• M16: 13,714,983 km (0.026 R)
• M17: 15,202,285 km (0.047 R)
• M18: 19,109,632 km (0.109 R)
• M19: 20,379,718 km (0.051 R)
• M20: 25,352,950 km (0.099 R)
• M21: 26,026,589 km (0.083 R)
• M22: 28,388,440 km (0.1 R)
• M23: 29,667,801 km (0.076 R)
• M24: 30,040,300 km (0.103 R)
• M25: 30,985,309 km (0.071 R)
• M26: 31,561,710 km (0.073 R)
• M27: 33,034,052 km (0.093 R)
• M28: 33,434,227 km (0.045 R)

Asteroid Belt

Center: 4.66 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.9

Radius: 14.1

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.1 AU - 5.82 AU

Year: 8369 Days

Day: 6 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,092,477 km

• M1: 175,329 km (0.111 R)
• M2: 635,342 km (0.037 R)
• M3: 1,076,207 km (0.099 R)
• M4: 2,617,065 km (0.104 R)
• M5: 3,427,586 km (0.055 R)
• M6: 5,581,497 km (0.092 R)
• M7: 7,228,569 km (0.107 R)
• M8: 7,776,995 km (0.119 R)
• M9: 8,651,694 km (0.117 R)
• M10: 10,013,932 km (0.111 R)
• M11: 13,743,407 km (0.116 R)
• M12: 16,048,710 km (0.1 R)
• M13: 17,535,862 km (0.049 R)
• M14: 21,334,601 km (0.086 R)
• M15: 22,466,459 km (0.061 R)
• M16: 24,152,277 km (0.117 R)
• M17: 26,285,094 km (0.093 R)
• M18: 31,848,938 km (0.06 R)
• M19: 36,646,990 km (0.097 R)
• M20: 39,098,451 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749

Radius: 9.4

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.42 AU - 6.56 AU

Year: 8439 Days

Day: 5.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,092,477 km

• M1: 121,473 km (0.085 R)
• M2: 418,575 km (0.102 R)
• M3: 880,982 km (0.053 R)
• M4: 1,414,448 km (0.062 R)
• M5: 1,785,151 km (0.101 R)
• M6: 2,118,007 km (0.093 R)
• M7: 2,530,149 km (0.111 R)
• M8: 4,741,654 km (0.102 R)
• M9: 5,647,469 km (0.101 R)
• M10: 6,444,676 km (0.046 R)
• M11: 6,813,884 km (0.102 R)
• M12: 7,474,059 km (0.112 R)
• M13: 7,923,601 km (0.088 R)
• M14: 8,876,689 km (0.046 R)
• M15: 11,377,965 km (0.098 R)
• M16: 12,589,409 km (0.103 R)
• M17: 14,690,810 km (0.108 R)
• M18: 18,229,249 km (0.059 R)
• M19: 24,633,234 km (0.119 R)
• M20: 26,184,115 km (0.116 R)
• M21: 27,509,253 km (0.077 R)
• M22: 30,498,667 km (0.083 R)
• M23: 32,178,352 km (0.077 R)
• M24: 34,812,322 km (0.079 R)
• M25: 36,762,779 km (0.111 R)
• M26: 39,027,691 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.8

Radius: 4

Gravity: 38.86 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9.72 AU - 10.14 AU

Year: 20527 Days

Day: 15.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 77.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 83,092,477 km

• M1: 50,564 km (0.095 R)
• M2: 218,114 km (0.044 R)
• M3: 404,961 km (0.088 R)
• M4: 622,477 km (0.109 R)
• M5: 1,381,686 km (0.11 R)
• M6: 1,876,855 km (0.105 R)
• M7: 2,481,529 km (0.103 R)
• M8: 2,968,171 km (0.067 R)
• M9: 3,429,681 km (0.032 R)
• M10: 4,989,388 km (0.096 R)
• M11: 5,560,254 km (0.083 R)
• M12: 7,630,539 km (0.086 R)
• M13: 7,977,306 km (0.101 R)
• M14: 9,301,846 km (0.091 R)
• M15: 10,951,911 km (0.111 R)
• M16: 11,265,767 km (0.102 R)
• M17: 14,291,234 km (0.08 R)
• M18: 14,440,383 km (0.042 R)
• M19: 14,590,580 km (0.074 R)
• M20: 17,221,258 km (0.096 R)
• M21: 19,595,675 km (0.028 R)
• M22: 20,151,432 km (0.064 R)
• M23: 23,813,139 km (0.104 R)
• M24: 25,525,137 km (0.107 R)
• M25: 26,076,554 km (0.067 R)
• M26: 26,975,189 km (0.079 R)
• M27: 29,673,635 km (0.101 R)
• M28: 31,025,551 km (0.062 R)
• M29: 36,704,735 km (0.063 R)
• M30: 37,690,286 km (0.077 R)
• M31: 40,603,106 km (0.082 R)
• M32: 43,976,688 km (0.096 R)
• M33: 44,134,214 km (0.068 R)
• M34: 47,036,563 km (0.087 R)
• M35: 53,038,878 km (0.087 R)
• M36: 56,315,670 km (0.043 R)
• M37: 66,950,732 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.5

Radius: 5.1

Gravity: 29.43 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 8.61 AU - 11.93 AU

Year: 21591 Days

Day: 20.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,092,477 km

• M1: 996,621 km (0.084 R)
• M2: 1,661,584 km (0.084 R)
• M3: 2,993,304 km (0.061 R)
• M4: 3,653,928 km (0.083 R)
• M5: 4,269,074 km (0.117 R)
• M6: 5,377,295 km (0.11 R)
• M7: 6,347,587 km (0.113 R)
• M8: 7,479,146 km (0.106 R)
• M9: 8,905,711 km (0.034 R)
• M10: 9,951,849 km (0.083 R)
• M11: 11,012,647 km (0.107 R)
• M12: 11,537,137 km (0.114 R)
• M13: 16,179,758 km (0.114 R)
• M14: 20,923,656 km (0.085 R)
• M15: 22,446,861 km (0.09 R)
• M16: 22,760,269 km (0.041 R)
• M17: 24,042,622 km (0.113 R)
• M18: 26,055,461 km (0.058 R)
• M19: 30,032,221 km (0.114 R)
• M20: 36,081,211 km (0.1 R)
• M21: 45,342,367 km (0.067 R)
• M22: 47,538,314 km (0.11 R)
• M23: 52,690,614 km (0.028 R)
• M24: 82,595,228 km (0.103 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: 407 - 17,299 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit