🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.2

Radius: 12.9

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.85 AU - 0.95 AU

Year: 551 Days

Day: 7.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 63.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,202,080 km

• M1: 162,762 km (0.03 R)
• M2: 590,463 km (0.111 R)
• M3: 1,025,045 km (0.042 R)
• M4: 1,597,855 km (0.112 R)
• M5: 2,137,006 km (0.054 R)
• M6: 2,838,769 km (0.096 R)
• M7: 3,320,923 km (0.111 R)
• M8: 3,923,803 km (0.109 R)
• M9: 4,365,565 km (0.086 R)
• M10: 4,902,322 km (0.104 R)
• M11: 5,383,130 km (0.096 R)
• M12: 6,181,833 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.1

Radius: 12.2

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.6 AU - 1.62 AU

Year: 1319 Days

Day: 6.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,202,080 km

• M1: 151,842 km (0.101 R)
• M2: 563,685 km (0.089 R)
• M3: 1,000,211 km (0.111 R)
• M4: 2,056,372 km (0.045 R)
• M5: 2,923,741 km (0.089 R)
• M6: 4,109,753 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.7

Radius: 11

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.58 AU - 2.74 AU

Year: 2801 Days

Day: 10.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,202,080 km

• M1: 138,827 km (0.111 R)
• M2: 547,379 km (0.085 R)
• M3: 947,553 km (0.112 R)
• M4: 1,621,791 km (0.083 R)
• M5: 2,418,100 km (0.034 R)
• M6: 3,403,052 km (0.028 R)
• M7: 3,837,485 km (0.08 R)
• M8: 6,067,091 km (0.113 R)
• M9: 7,303,368 km (0.11 R)
• M10: 8,095,489 km (0.113 R)
• M11: 9,371,708 km (0.065 R)
• M12: 10,306,994 km (0.079 R)
• M13: 12,016,898 km (0.074 R)
• M14: 13,120,332 km (0.106 R)
• M15: 14,678,693 km (0.109 R)
• M16: 18,501,068 km (0.092 R)
• M17: 18,846,938 km (0.085 R)
• M18: 20,456,611 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.2

Radius: 14.5

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.73 AU - 3.47 AU

Year: 3524 Days

Day: 14.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,202,080 km

• M1: 181,013 km (0.092 R)
• M2: 634,445 km (0.074 R)
• M3: 1,102,237 km (0.116 R)
• M4: 1,582,895 km (0.068 R)
• M5: 2,123,991 km (0.075 R)
• M6: 2,872,728 km (0.084 R)
• M7: 3,960,454 km (0.072 R)
• M8: 5,386,122 km (0.104 R)
• M9: 6,101,349 km (0.119 R)
• M10: 7,488,869 km (0.094 R)
• M11: 8,274,857 km (0.099 R)
• M12: 9,343,883 km (0.102 R)
• M13: 10,967,020 km (0.043 R)
• M14: 11,577,529 km (0.051 R)
• M15: 15,403,644 km (0.102 R)
• M16: 17,720,317 km (0.046 R)
• M17: 18,930,863 km (0.105 R)
• M18: 21,924,017 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.1

Radius: 8

Gravity: 11.7 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.52 AU - 5.08 AU

Year: 5757 Days

Day: 11.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,202,080 km

• M1: 99,782 km (0.116 R)
• M2: 388,805 km (0.054 R)
• M3: 939,175 km (0.059 R)
• M4: 1,415,345 km (0.101 R)
• M5: 1,867,879 km (0.114 R)
• M6: 2,329,837 km (0.06 R)
• M7: 6,278,323 km (0.1 R)
• M8: 6,679,844 km (0.076 R)
• M9: 7,758,445 km (0.049 R)
• M10: 8,299,839 km (0.041 R)
• M11: 8,907,506 km (0.073 R)
• M12: 11,294,190 km (0.115 R)
• M13: 11,838,128 km (0.116 R)
• M14: 12,091,098 km (0.098 R)
• M15: 14,591,028 km (0.119 R)
• M16: 15,176,854 km (0.109 R)
• M17: 15,535,888 km (0.077 R)
• M18: 16,084,913 km (0.106 R)
• M19: 16,900,819 km (0.118 R)
• M20: 17,157,380 km (0.076 R)
• M21: 17,612,457 km (0.101 R)
• M22: 18,546,845 km (0.062 R)
• M23: 23,164,033 km (0.062 R)
• M24: 24,858,977 km (0.057 R)
• M25: 26,634,854 km (0.067 R)
• M26: 29,780,149 km (0.115 R)
• M27: 30,154,592 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.4

Radius: 10.6

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.47 AU - 4.97 AU

Year: 6621 Days

Day: 11.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,202,080 km

• M1: 131,945 km (0.115 R)
• M2: 596,596 km (0.096 R)
• M3: 1,196,334 km (0.101 R)
• M4: 1,847,384 km (0.084 R)
• M5: 2,326,396 km (0.089 R)
• M6: 2,702,934 km (0.104 R)
• M7: 3,344,560 km (0.067 R)
• M8: 4,355,093 km (0.096 R)
• M9: 4,849,963 km (0.05 R)
• M10: 5,737,826 km (0.042 R)
• M11: 6,236,885 km (0.083 R)
• M12: 6,663,388 km (0.071 R)
• M13: 8,409,943 km (0.104 R)
• M14: 9,262,801 km (0.097 R)
• M15: 10,306,994 km (0.043 R)
• M16: 12,680,215 km (0.117 R)
• M17: 13,691,347 km (0.066 R)
• M18: 14,188,760 km (0.067 R)
• M19: 18,545,498 km (0.111 R)
• M20: 20,128,842 km (0.09 R)
• M21: 20,556,243 km (0.092 R)
• M22: 21,135,636 km (0.104 R)
• M23: 22,327,183 km (0.103 R)
• M24: 29,054,150 km (0.101 R)
• M25: 32,337,824 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.1

Radius: 3.9

Gravity: 33.47 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.14 AU - 10.38 AU

Year: 19687 Days

Day: 17.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 118.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 68,202,080 km

• M1: 48,470 km (0.093 R)
• M2: 212,429 km (0.104 R)
• M3: 401,371 km (0.116 R)
• M4: 553,811 km (0.093 R)
• M5: 814,560 km (0.056 R)
• M6: 1,126,173 km (0.038 R)
• M7: 1,302,549 km (0.063 R)
• M8: 1,982,172 km (0.113 R)
• M9: 2,345,096 km (0.109 R)
• M10: 4,185,300 km (0.09 R)
• M11: 4,954,981 km (0.085 R)
• M12: 5,933,650 km (0.104 R)
• M13: 7,445,336 km (0.093 R)
• M14: 12,017,347 km (0.09 R)
• M15: 12,803,334 km (0.114 R)
• M16: 13,209,043 km (0.053 R)
• M17: 15,066,002 km (0.1 R)
• M18: 15,824,313 km (0.084 R)
• M19: 15,978,997 km (0.118 R)
• M20: 16,370,196 km (0.106 R)
• M21: 17,830,869 km (0.035 R)
• M22: 20,730,675 km (0.092 R)
• M23: 21,383,819 km (0.113 R)
• M24: 21,667,756 km (0.081 R)
• M25: 23,026,703 km (0.104 R)
• M26: 25,065,123 km (0.115 R)
• M27: 25,275,308 km (0.1 R)
• M28: 27,778,081 km (0.031 R)
• M29: 29,613,347 km (0.049 R)
• M30: 29,848,366 km (0.108 R)
• M31: 32,640,311 km (0.086 R)
• M32: 32,891,037 km (0.111 R)
• M33: 35,734,144 km (0.065 R)
• M34: 37,079,029 km (0.097 R)
• M35: 43,096,304 km (0.116 R)
• M36: 50,064,423 km (0.062 R)
• M37: 53,639,663 km (0.071 R)
• M38: 56,475,291 km (0.098 R)
• M39: 63,802,145 km (0.062 R)
• M40: 67,387,558 km (0.097 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 12,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit