🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.6

Radius: 8.5

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.84 AU - 0.9 AU

Year: 560 Days

Day: 8.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,080,480 km

• M1: 106,663 km (0.102 R)
• M2: 395,387 km (0.112 R)
• M3: 692,937 km (0.1 R)
• M4: 1,168,808 km (0.093 R)
• M5: 1,488,499 km (0.096 R)
• M6: 2,096,614 km (0.112 R)
• M7: 2,374,866 km (0.072 R)
• M8: 2,894,270 km (0.087 R)
• M9: 3,169,530 km (0.119 R)
• M10: 3,576,735 km (0.082 R)
• M11: 4,274,460 km (0.08 R)
• M12: 4,803,887 km (0.111 R)
• M13: 5,158,434 km (0.052 R)
• M14: 5,461,519 km (0.075 R)
• M15: 5,812,326 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.2

Radius: 13.4

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.84 AU - 1.06 AU

Year: 639 Days

Day: 11.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,080,480 km

• M1: 166,652 km (0.088 R)
• M2: 620,233 km (0.103 R)
• M3: 1,087,277 km (0.088 R)
• M4: 1,677,740 km (0.081 R)
• M5: 2,355,568 km (0.042 R)
• M6: 2,850,737 km (0.077 R)
• M7: 3,273,800 km (0.088 R)
• M8: 3,894,332 km (0.036 R)
• M9: 4,481,204 km (0.111 R)
• M10: 5,463,015 km (0.11 R)
• M11: 6,102,396 km (0.103 R)
• M12: 7,089,892 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.8

Radius: 11.9

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.25 AU - 1.65 AU

Year: 1205 Days

Day: 5.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,080,480 km

• M1: 148,102 km (0.085 R)
• M2: 858,393 km (0.117 R)
• M3: 1,310,029 km (0.081 R)
• M4: 1,938,340 km (0.108 R)
• M5: 2,422,588 km (0.094 R)
• M6: 2,917,757 km (0.087 R)
• M7: 3,532,155 km (0.038 R)
• M8: 4,231,226 km (0.12 R)
• M9: 5,087,674 km (0.045 R)
• M10: 5,468,401 km (0.039 R)
• M11: 6,544,757 km (0.086 R)
• M12: 7,122,803 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.7

Radius: 9.7

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.14 AU - 3.26 AU

Year: 3062 Days

Day: 10.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,080,480 km

• M1: 120,576 km (0.073 R)
• M2: 432,188 km (0.036 R)
• M3: 766,839 km (0.108 R)
• M4: 1,947,315 km (0.097 R)
• M5: 2,456,696 km (0.104 R)
• M6: 2,918,505 km (0.049 R)
• M7: 3,588,105 km (0.075 R)
• M8: 5,016,615 km (0.079 R)
• M9: 6,152,063 km (0.026 R)
• M10: 6,581,558 km (0.098 R)
• M11: 8,044,625 km (0.096 R)
• M12: 8,641,970 km (0.097 R)
• M13: 9,356,599 km (0.031 R)
• M14: 9,803,896 km (0.1 R)
• M15: 10,549,193 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.5

Radius: 13.7

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.2 AU - 3.64 AU

Year: 3444 Days

Day: 6.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,080,480 km

• M1: 170,392 km (0.045 R)
• M2: 1,083,837 km (0.11 R)
• M3: 1,675,047 km (0.12 R)
• M4: 2,642,946 km (0.087 R)
• M5: 3,253,155 km (0.036 R)
• M6: 3,875,482 km (0.04 R)
• M7: 4,420,916 km (0.051 R)
• M8: 5,693,545 km (0.106 R)
• M9: 6,177,494 km (0.075 R)
• M10: 6,835,875 km (0.118 R)
• M11: 7,509,065 km (0.052 R)
• M12: 8,776,009 km (0.111 R)
• M13: 9,204,458 km (0.089 R)
• M14: 10,376,557 km (0.11 R)
• M15: 11,476,401 km (0.046 R)
• M16: 11,989,671 km (0.102 R)
• M17: 12,970,285 km (0.058 R)
• M18: 13,480,414 km (0.094 R)
• M19: 14,393,110 km (0.04 R)
• M20: 14,839,510 km (0.115 R)
• M21: 15,708,225 km (0.049 R)
• M22: 16,395,179 km (0.083 R)
• M23: 16,992,074 km (0.095 R)
• M24: 19,889,785 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.3

Radius: 9.2

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.46 AU - 5.7 AU

Year: 7903 Days

Day: 14.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,080,480 km

• M1: 114,742 km (0.109 R)
• M2: 501,751 km (0.047 R)
• M3: 1,002,306 km (0.067 R)
• M4: 1,309,131 km (0.056 R)
• M5: 2,119,503 km (0.114 R)
• M6: 2,618,561 km (0.089 R)
• M7: 3,175,813 km (0.119 R)
• M8: 5,793,926 km (0.108 R)
• M9: 6,108,380 km (0.049 R)
• M10: 8,676,377 km (0.081 R)
• M11: 9,632,607 km (0.036 R)
• M12: 9,952,896 km (0.077 R)
• M13: 10,404,981 km (0.04 R)
• M14: 10,827,894 km (0.035 R)
• M15: 12,635,036 km (0.066 R)
• M16: 13,312,565 km (0.107 R)
• M17: 14,530,142 km (0.093 R)
• M18: 14,952,008 km (0.083 R)
• M19: 16,379,920 km (0.09 R)
• M20: 17,361,431 km (0.112 R)
• M21: 18,937,594 km (0.119 R)
• M22: 22,582,247 km (0.113 R)
• M23: 24,383,555 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.5

Radius: 6.9

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.6 AU - 7.06 AU

Year: 10993 Days

Day: 23.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,080,480 km

• M1: 85,869 km (0.064 R)
• M2: 400,473 km (0.114 R)
• M3: 618,288 km (0.108 R)
• M4: 1,201,869 km (0.087 R)
• M5: 1,652,757 km (0.1 R)
• M6: 2,135,061 km (0.081 R)
• M7: 2,401,345 km (0.077 R)
• M8: 3,566,712 km (0.104 R)
• M9: 4,082,376 km (0.045 R)
• M10: 4,776,062 km (0.1 R)
• M11: 5,720,772 km (0.09 R)
• M12: 7,363,357 km (0.113 R)
• M13: 9,420,926 km (0.034 R)
• M14: 10,054,323 km (0.117 R)
• M15: 10,315,521 km (0.103 R)
• M16: 12,520,893 km (0.12 R)
• M17: 14,245,158 km (0.094 R)
• M18: 15,364,001 km (0.118 R)
• M19: 16,240,644 km (0.11 R)
• M20: 22,360,693 km (0.113 R)
• M21: 23,868,639 km (0.1 R)
• M22: 25,362,823 km (0.096 R)
• M23: 28,710,375 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.8

Radius: 3.2

Gravity: 13.16 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.44 AU - 7.22 AU

Year: 10993 Days

Day: 21.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,080,480 km

• M1: 39,793 km (0.043 R)
• M2: 165,904 km (0.026 R)
• M3: 676,930 km (0.074 R)
• M4: 1,542,055 km (0.072 R)
• M5: 2,600,759 km (0.06 R)
• M6: 2,945,432 km (0.083 R)
• M7: 9,282,847 km (0.117 R)
• M8: 16,094,487 km (0.042 R)
• M9: 16,212,968 km (0.11 R)
• M10: 16,391,738 km (0.085 R)
• M11: 16,753,316 km (0.09 R)
• M12: 21,731,933 km (0.109 R)
• M13: 23,284,310 km (0.061 R)
• M14: 26,033,321 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.1

Radius: 4

Gravity: 35.63 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.35 AU - 8.17 AU

Year: 13503 Days

Day: 21.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,080,480 km

• M1: 50,115 km (0.107 R)
• M2: 242,947 km (0.091 R)
• M3: 370,704 km (0.079 R)
• M4: 503,397 km (0.098 R)
• M5: 660,026 km (0.109 R)
• M6: 930,349 km (0.051 R)
• M7: 1,270,834 km (0.092 R)
• M8: 1,836,164 km (0.093 R)
• M9: 2,118,605 km (0.06 R)
• M10: 2,409,124 km (0.071 R)
• M11: 2,681,991 km (0.097 R)
• M12: 3,022,027 km (0.102 R)
• M13: 3,732,616 km (0.068 R)
• M14: 5,799,760 km (0.088 R)
• M15: 6,405,930 km (0.105 R)
• M16: 7,654,325 km (0.066 R)
• M17: 8,763,294 km (0.104 R)
• M18: 9,559,603 km (0.117 R)
• M19: 11,817,933 km (0.099 R)
• M20: 13,292,369 km (0.113 R)
• M21: 13,549,528 km (0.067 R)
• M22: 14,611,374 km (0.05 R)
• M23: 19,662,695 km (0.096 R)
• M24: 20,675,623 km (0.062 R)
• M25: 24,494,108 km (0.032 R)
• M26: 29,403,761 km (0.1 R)
• M27: 30,950,303 km (0.101 R)
• M28: 33,017,447 km (0.075 R)
• M29: 34,084,678 km (0.04 R)
• M30: 36,789,856 km (0.119 R)
• M31: 40,435,257 km (0.105 R)
• M32: 45,466,234 km (0.104 R)
• M33: 46,934,387 km (0.111 R)
• M34: 48,131,320 km (0.095 R)
• M35: 49,042,371 km (0.039 R)
• M36: 50,742,251 km (0.118 R)
• M37: 53,284,368 km (0.097 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 14,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit