🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.7

Radius: 12.3

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.14 AU - 1.22 AU

Year: 828 Days

Day: 5.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,404,304 km

• M1: 153,039 km (0.103 R)
• M2: 635,791 km (0.033 R)
• M3: 1,038,508 km (0.102 R)
• M4: 1,684,771 km (0.11 R)
• M5: 2,530,897 km (0.079 R)
• M6: 2,994,201 km (0.114 R)
• M7: 3,671,431 km (0.107 R)
• M8: 5,201,668 km (0.093 R)
• M9: 5,619,046 km (0.106 R)
• M10: 6,287,299 km (0.041 R)
• M11: 6,872,825 km (0.1 R)
• M12: 7,283,172 km (0.042 R)
• M13: 7,929,585 km (0.053 R)
• M14: 8,458,563 km (0.066 R)
• M15: 8,984,100 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.4

Radius: 10.8

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.79 AU - 2.63 AU

Year: 2121 Days

Day: 10.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,404,304 km

• M1: 134,339 km (0.045 R)
• M2: 713,582 km (0.089 R)
• M3: 1,459,477 km (0.052 R)
• M4: 3,164,444 km (0.044 R)
• M5: 3,559,233 km (0.109 R)
• M6: 4,968,444 km (0.068 R)
• M7: 6,052,580 km (0.087 R)
• M8: 8,042,681 km (0.063 R)
• M9: 8,782,592 km (0.119 R)
• M10: 10,067,338 km (0.116 R)
• M11: 11,794,147 km (0.082 R)
• M12: 13,399,332 km (0.096 R)
• M13: 14,025,848 km (0.108 R)
• M14: 17,934,391 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.4

Radius: 12

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.66 AU - 2.82 AU

Year: 2928 Days

Day: 10 Hours

Environment

Temp: -205 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,404,304 km

• M1: 149,299 km (0.054 R)
• M2: 561,590 km (0.102 R)
• M3: 1,315,713 km (0.103 R)
• M4: 2,747,963 km (0.101 R)
• M5: 3,144,547 km (0.089 R)
• M6: 4,265,185 km (0.071 R)
• M7: 5,430,552 km (0.078 R)
• M8: 6,768,107 km (0.067 R)
• M9: 7,817,835 km (0.106 R)
• M10: 9,629,166 km (0.052 R)
• M11: 10,277,823 km (0.1 R)
• M12: 12,667,948 km (0.06 R)
• M13: 16,189,033 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.1

Radius: 12.8

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.24 AU - 3.48 AU

Year: 3123 Days

Day: 8.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,404,304 km

• M1: 160,219 km (0.101 R)
• M2: 578,645 km (0.075 R)
• M3: 1,069,475 km (0.078 R)
• M4: 1,830,629 km (0.087 R)
• M5: 2,679,298 km (0.104 R)
• M6: 3,633,882 km (0.03 R)
• M7: 4,113,792 km (0.116 R)
• M8: 5,305,040 km (0.097 R)
• M9: 6,009,646 km (0.067 R)
• M10: 6,563,158 km (0.106 R)
• M11: 6,961,387 km (0.044 R)
• M12: 8,466,791 km (0.117 R)
• M13: 9,088,669 km (0.026 R)
• M14: 9,584,736 km (0.064 R)
• M15: 11,182,142 km (0.06 R)
• M16: 12,203,745 km (0.081 R)
• M17: 13,190,044 km (0.113 R)
• M18: 14,950,961 km (0.115 R)
• M19: 15,643,449 km (0.075 R)
• M20: 17,614,252 km (0.064 R)
• M21: 18,812,231 km (0.102 R)
• M22: 19,936,011 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.4

Radius: 8.4

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.75 AU - 5.15 AU

Year: 7111 Days

Day: 6.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,404,304 km

• M1: 104,569 km (0.114 R)
• M2: 415,732 km (0.117 R)
• M3: 776,862 km (0.118 R)
• M4: 1,266,496 km (0.108 R)
• M5: 1,832,873 km (0.116 R)
• M6: 2,705,777 km (0.11 R)
• M7: 3,508,220 km (0.1 R)
• M8: 3,904,056 km (0.091 R)
• M9: 5,303,394 km (0.05 R)
• M10: 6,656,357 km (0.099 R)
• M11: 8,306,123 km (0.079 R)
• M12: 8,799,796 km (0.061 R)
• M13: 11,516,343 km (0.111 R)
• M14: 12,658,523 km (0.119 R)
• M15: 17,450,592 km (0.076 R)
• M16: 18,260,365 km (0.105 R)
• M17: 19,236,491 km (0.117 R)
• M18: 20,616,382 km (0.09 R)
• M19: 23,248,407 km (0.031 R)
• M20: 23,898,858 km (0.102 R)
• M21: 24,644,903 km (0.093 R)
• M22: 29,735,270 km (0.03 R)
• M23: 32,676,663 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.3

Radius: 9.5

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.21 AU - 5.75 AU

Year: 7176 Days

Day: 11.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,404,304 km

• M1: 118,182 km (0.086 R)
• M2: 459,864 km (0.118 R)
• M3: 891,753 km (0.088 R)
• M4: 1,512,883 km (0.057 R)
• M5: 2,316,373 km (0.117 R)
• M6: 4,170,190 km (0.114 R)
• M7: 5,793,626 km (0.084 R)
• M8: 6,440,338 km (0.08 R)
• M9: 6,991,905 km (0.096 R)
• M10: 7,954,867 km (0.089 R)
• M11: 10,096,959 km (0.094 R)
• M12: 11,924,596 km (0.105 R)
• M13: 12,440,110 km (0.114 R)
• M14: 13,024,290 km (0.102 R)
• M15: 13,850,070 km (0.118 R)
• M16: 16,348,504 km (0.116 R)
• M17: 16,920,417 km (0.104 R)
• M18: 17,770,282 km (0.088 R)
• M19: 19,625,745 km (0.067 R)
• M20: 23,396,658 km (0.088 R)
• M21: 31,548,695 km (0.117 R)
• M22: 32,534,994 km (0.084 R)
• M23: 33,541,638 km (0.074 R)
• M24: 34,052,664 km (0.057 R)
• M25: 34,361,883 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.1

Radius: 10.1

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.6 AU - 7.22 AU

Year: 9277 Days

Day: 8.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,404,304 km

• M1: 125,662 km (0.096 R)
• M2: 486,343 km (0.111 R)
• M3: 825,780 km (0.119 R)
• M4: 1,210,097 km (0.068 R)
• M5: 1,790,387 km (0.09 R)
• M6: 2,430,517 km (0.079 R)
• M7: 3,580,475 km (0.031 R)
• M8: 4,965,602 km (0.085 R)
• M9: 5,623,384 km (0.065 R)
• M10: 6,117,506 km (0.077 R)
• M11: 6,525,908 km (0.068 R)
• M12: 9,517,417 km (0.09 R)
• M13: 11,505,273 km (0.095 R)
• M14: 16,567,216 km (0.112 R)
• M15: 17,216,172 km (0.065 R)
• M16: 20,388,993 km (0.112 R)
• M17: 20,800,836 km (0.038 R)
• M18: 23,121,548 km (0.072 R)
• M19: 25,705,103 km (0.088 R)
• M20: 29,302,034 km (0.073 R)
• M21: 30,464,709 km (0.098 R)
• M22: 33,791,765 km (0.117 R)
• M23: 37,108,799 km (0.069 R)
• M24: 37,476,511 km (0.088 R)
• M25: 43,289,435 km (0.117 R)
• M26: 46,338,389 km (0.108 R)
• M27: 47,337,853 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.4

Radius: 5.6

Gravity: 14.11 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.56 AU - 9.48 AU

Year: 14665 Days

Day: 16.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 34,404,304 km

• M1: 69,713 km (0.082 R)
• M2: 309,518 km (0.12 R)
• M3: 523,144 km (0.115 R)
• M4: 789,727 km (0.115 R)
• M5: 1,454,839 km (0.109 R)
• M6: 1,787,246 km (0.025 R)
• M7: 4,713,081 km (0.108 R)
• M8: 8,907,506 km (0.045 R)
• M9: 9,754,080 km (0.116 R)
• M10: 11,094,926 km (0.108 R)
• M11: 11,780,234 km (0.062 R)
• M12: 13,424,763 km (0.081 R)
• M13: 13,874,903 km (0.107 R)
• M14: 16,061,725 km (0.078 R)
• M15: 17,539,303 km (0.108 R)
• M16: 22,243,558 km (0.09 R)
• M17: 28,035,688 km (0.113 R)
• M18: 28,349,245 km (0.053 R)
• M19: 29,410,941 km (0.112 R)
• M20: 30,830,326 km (0.068 R)
• M21: 31,613,321 km (0.026 R)
• M22: 32,639,413 km (0.049 R)
• M23: 33,569,912 km (0.05 R)
• M24: 35,728,011 km (0.11 R)
• M25: 36,591,639 km (0.069 R)
• M26: 41,254,306 km (0.117 R)
• M27: 43,308,584 km (0.093 R)
• M28: 44,149,024 km (0.062 R)
• M29: 48,816,029 km (0.071 R)
• M30: 49,573,742 km (0.112 R)
• M31: 50,802,240 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.5

Radius: 7

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 8.67 AU - 12.89 AU

Year: 22853 Days

Day: 23 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,404,304 km

• M1: 98,286 km (0.12 R)
• M2: 322,383 km (0.03 R)
• M3: 567,425 km (0.114 R)
• M4: 1,276,070 km (0.064 R)
• M5: 5,796,618 km (0.105 R)
• M6: 8,586,469 km (0.052 R)
• M7: 18,257,223 km (0.088 R)
• M8: 22,607,230 km (0.119 R)
• M9: 25,523,641 km (0.045 R)
• M10: 26,809,434 km (0.044 R)
• M11: 30,070,818 km (0.061 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 11,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit