🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.1

Radius: 10

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.68 AU - 0.76 AU

Year: 414 Days

Day: 12.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,801,089 km

• M1: 124,316 km (0.116 R)
• M2: 440,416 km (0.047 R)
• M3: 825,780 km (0.11 R)
• M4: 1,204,712 km (0.106 R)
• M5: 1,523,355 km (0.081 R)
• M6: 2,189,664 km (0.086 R)
• M7: 2,528,802 km (0.051 R)
• M8: 2,976,100 km (0.113 R)
• M9: 3,417,414 km (0.078 R)
• M10: 4,056,346 km (0.104 R)
• M11: 4,875,694 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.3

Radius: 9.1

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.03 AU - 1.23 AU

Year: 815 Days

Day: 9.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,801,089 km

• M1: 113,246 km (0.032 R)
• M2: 459,265 km (0.081 R)
• M3: 746,045 km (0.082 R)
• M4: 1,052,720 km (0.026 R)
• M5: 1,363,136 km (0.099 R)
• M6: 1,728,005 km (0.087 R)
• M7: 2,089,733 km (0.116 R)
• M8: 2,426,328 km (0.053 R)
• M9: 3,109,242 km (0.077 R)
• M10: 3,394,974 km (0.034 R)
• M11: 4,401,917 km (0.045 R)
• M12: 4,704,404 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.2

Radius: 13.4

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.51 AU - 2.09 AU

Year: 1638 Days

Day: 12.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,801,089 km

• M1: 227,389 km (0.118 R)
• M2: 707,448 km (0.118 R)
• M3: 1,691,952 km (0.113 R)
• M4: 2,306,949 km (0.056 R)
• M5: 3,245,227 km (0.114 R)
• M6: 4,072,652 km (0.111 R)
• M7: 5,265,845 km (0.049 R)
• M8: 5,829,081 km (0.111 R)
• M9: 6,749,108 km (0.101 R)
• M10: 7,588,053 km (0.085 R)
• M11: 10,156,499 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.3

Radius: 9.4

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.62 AU - 2.28 AU

Year: 1847 Days

Day: 5.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,801,089 km

• M1: 117,434 km (0.063 R)
• M2: 423,960 km (0.105 R)
• M3: 720,015 km (0.082 R)
• M4: 1,069,326 km (0.104 R)
• M5: 2,646,985 km (0.108 R)
• M6: 3,151,578 km (0.054 R)
• M7: 4,027,923 km (0.119 R)
• M8: 4,846,971 km (0.115 R)
• M9: 5,837,309 km (0.113 R)
• M10: 9,526,542 km (0.058 R)
• M11: 10,107,431 km (0.038 R)
• M12: 10,582,553 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.3

Radius: 11.4

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.55 AU - 4.33 AU

Year: 5304 Days

Day: 8.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,801,089 km

• M1: 141,819 km (0.117 R)
• M2: 692,937 km (0.034 R)
• M3: 1,230,442 km (0.082 R)
• M4: 2,051,735 km (0.083 R)
• M5: 2,939,299 km (0.042 R)
• M6: 3,347,701 km (0.114 R)
• M7: 3,951,329 km (0.074 R)
• M8: 5,127,317 km (0.09 R)
• M9: 5,722,567 km (0.113 R)
• M10: 6,332,029 km (0.089 R)
• M11: 7,935,269 km (0.113 R)
• M12: 9,583,539 km (0.116 R)
• M13: 10,224,117 km (0.112 R)
• M14: 11,638,714 km (0.062 R)
• M15: 13,387,962 km (0.074 R)
• M16: 14,740,477 km (0.115 R)
• M17: 16,182,002 km (0.079 R)
• M18: 17,905,818 km (0.047 R)
• M19: 18,355,210 km (0.084 R)
• M20: 18,944,177 km (0.115 R)
• M21: 20,022,179 km (0.12 R)
• M22: 22,970,903 km (0.072 R)
• M23: 28,742,239 km (0.074 R)
• M24: 29,894,292 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.3

Radius: 11.9

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.49 AU - 4.81 AU

Year: 5734 Days

Day: 6.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,801,089 km

• M1: 149,897 km (0.096 R)
• M2: 612,005 km (0.119 R)
• M3: 1,072,318 km (0.115 R)
• M4: 1,650,813 km (0.092 R)
• M5: 2,028,398 km (0.106 R)
• M6: 2,869,138 km (0.042 R)
• M7: 3,929,338 km (0.064 R)
• M8: 4,335,795 km (0.026 R)
• M9: 4,717,868 km (0.112 R)
• M10: 5,818,310 km (0.091 R)
• M11: 6,945,081 km (0.062 R)
• M12: 8,059,884 km (0.114 R)
• M13: 10,016,325 km (0.06 R)
• M14: 11,152,072 km (0.111 R)
• M15: 11,533,098 km (0.078 R)
• M16: 12,473,171 km (0.112 R)
• M17: 14,449,658 km (0.116 R)
• M18: 16,199,056 km (0.104 R)
• M19: 18,150,859 km (0.118 R)
• M20: 19,490,508 km (0.071 R)
• M21: 24,539,586 km (0.117 R)
• M22: 25,185,699 km (0.104 R)
• M23: 26,259,662 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.5

Radius: 12

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.65 AU - 4.69 AU

Year: 5776 Days

Day: 14.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,801,089 km

• M1: 153,338 km (0.118 R)
• M2: 545,733 km (0.077 R)
• M3: 1,092,064 km (0.092 R)
• M4: 1,470,248 km (0.106 R)
• M5: 1,924,128 km (0.118 R)
• M6: 2,488,112 km (0.078 R)
• M7: 3,240,140 km (0.11 R)
• M8: 5,742,913 km (0.096 R)
• M9: 7,021,825 km (0.083 R)
• M10: 7,619,618 km (0.106 R)
• M11: 8,251,220 km (0.089 R)
• M12: 8,917,230 km (0.107 R)
• M13: 9,661,330 km (0.095 R)
• M14: 11,273,396 km (0.066 R)
• M15: 12,393,136 km (0.119 R)
• M16: 18,927,422 km (0.06 R)
• M17: 20,932,781 km (0.069 R)
• M18: 21,582,934 km (0.033 R)
• M19: 24,161,402 km (0.074 R)
• M20: 24,636,974 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.1

Radius: 3.7

Gravity: 34.85 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.59 AU - 8.59 AU

Year: 12804 Days

Day: 21.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,801,089 km

• M1: 46,525 km (0.082 R)
• M2: 186,399 km (0.059 R)
• M3: 362,924 km (0.11 R)
• M4: 671,096 km (0.094 R)
• M5: 977,472 km (0.079 R)
• M6: 1,168,509 km (0.103 R)
• M7: 1,411,007 km (0.101 R)
• M8: 1,625,530 km (0.081 R)
• M9: 2,440,240 km (0.072 R)
• M10: 3,395,872 km (0.095 R)
• M11: 3,649,590 km (0.113 R)
• M12: 3,970,477 km (0.11 R)
• M13: 6,228,059 km (0.035 R)
• M14: 6,454,251 km (0.085 R)
• M15: 8,883,720 km (0.098 R)
• M16: 10,118,650 km (0.064 R)
• M17: 11,576,033 km (0.082 R)
• M18: 12,862,425 km (0.089 R)
• M19: 13,855,904 km (0.107 R)
• M20: 13,983,661 km (0.104 R)
• M21: 18,496,430 km (0.085 R)
• M22: 19,120,852 km (0.055 R)
• M23: 22,631,764 km (0.043 R)
• M24: 23,708,420 km (0.07 R)
• M25: 24,818,885 km (0.117 R)
• M26: 26,647,270 km (0.095 R)
• M27: 27,043,405 km (0.074 R)
• M28: 31,331,778 km (0.048 R)
• M29: 32,218,145 km (0.054 R)
• M30: 35,214,441 km (0.112 R)
• M31: 37,641,816 km (0.113 R)
• M32: 39,533,930 km (0.053 R)
• M33: 41,488,426 km (0.094 R)
• M34: 43,917,596 km (0.077 R)
• M35: 49,651,832 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.4

Radius: 6.1

Gravity: 16.51 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.81 AU - 11.21 AU

Year: 23110 Days

Day: 23.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 80,801,089 km

• M1: 75,846 km (0.071 R)
• M2: 419,024 km (0.102 R)
• M3: 683,662 km (0.095 R)
• M4: 1,164,171 km (0.113 R)
• M5: 3,003,327 km (0.111 R)
• M6: 3,248,667 km (0.056 R)
• M7: 3,478,001 km (0.055 R)
• M8: 4,827,673 km (0.116 R)
• M9: 7,285,865 km (0.104 R)
• M10: 13,506,593 km (0.116 R)
• M11: 13,950,899 km (0.078 R)
• M12: 16,994,617 km (0.089 R)
• M13: 18,219,375 km (0.072 R)
• M14: 18,670,562 km (0.072 R)
• M15: 21,838,297 km (0.106 R)
• M16: 23,815,532 km (0.087 R)
• M17: 24,138,215 km (0.082 R)
• M18: 27,410,070 km (0.082 R)
• M19: 28,241,984 km (0.111 R)
• M20: 29,582,979 km (0.045 R)
• M21: 31,350,478 km (0.117 R)
• M22: 34,404,967 km (0.098 R)
• M23: 38,827,828 km (0.089 R)
• M24: 45,239,742 km (0.081 R)
• M25: 49,476,504 km (0.057 R)
• M26: 58,338,083 km (0.097 R)
• M27: 61,309,995 km (0.109 R)
• M28: 63,552,616 km (0.098 R)
• M29: 66,911,238 km (0.107 R)
• M30: 70,607,353 km (0.04 R)
• M31: 74,437,357 km (0.058 R)
• M32: 78,166,383 km (0.099 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 18,232 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit