🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.1

Radius: 8.8

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.73 AU - 0.75 AU

Year: 447 Days

Day: 9.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,962,050 km

• M1: 111,750 km (0.082 R)
• M2: 385,514 km (0.11 R)
• M3: 727,195 km (0.109 R)
• M4: 1,013,825 km (0.106 R)
• M5: 1,334,263 km (0.093 R)
• M6: 1,622,539 km (0.105 R)
• M7: 2,009,249 km (0.027 R)
• M8: 2,466,270 km (0.087 R)
• M9: 2,842,958 km (0.078 R)
• M10: 3,480,095 km (0.097 R)
• M11: 4,222,849 km (0.111 R)
• M12: 4,530,871 km (0.073 R)
• M13: 4,823,933 km (0.055 R)
• M14: 5,160,977 km (0.112 R)
• M15: 5,612,613 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.8

Radius: 13.5

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.47 AU - 2.19 AU

Year: 1740 Days

Day: 14.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,962,050 km

• M1: 167,849 km (0.09 R)
• M2: 589,266 km (0.102 R)
• M3: 1,046,288 km (0.12 R)
• M4: 1,521,859 km (0.043 R)
• M5: 2,006,855 km (0.083 R)
• M6: 2,721,634 km (0.113 R)
• M7: 3,508,369 km (0.115 R)
• M8: 3,989,476 km (0.105 R)
• M9: 5,368,918 km (0.032 R)
• M10: 6,351,327 km (0.119 R)
• M11: 7,476,004 km (0.092 R)
• M12: 8,558,345 km (0.114 R)
• M13: 10,118,501 km (0.099 R)
• M14: 11,476,700 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.1

Radius: 8.4

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.86 AU - 2.02 AU

Year: 1899 Days

Day: 10.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,962,050 km

• M1: 104,868 km (0.095 R)
• M2: 675,584 km (0.068 R)
• M3: 1,054,067 km (0.116 R)
• M4: 1,501,065 km (0.089 R)
• M5: 2,847,147 km (0.054 R)
• M6: 3,184,340 km (0.112 R)
• M7: 3,492,661 km (0.114 R)
• M8: 7,101,710 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.7

Radius: 14.4

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.18 AU - 2.36 AU

Year: 2404 Days

Day: 12.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,962,050 km

• M1: 179,069 km (0.057 R)
• M2: 677,978 km (0.059 R)
• M3: 1,980,077 km (0.119 R)
• M4: 2,551,990 km (0.102 R)
• M5: 3,452,420 km (0.068 R)
• M6: 4,430,341 km (0.113 R)
• M7: 5,585,835 km (0.098 R)
• M8: 6,325,148 km (0.068 R)
• M9: 7,178,304 km (0.045 R)
• M10: 7,736,603 km (0.066 R)
• M11: 8,378,678 km (0.115 R)
• M12: 10,235,038 km (0.116 R)
• M13: 10,812,485 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.5

Radius: 8.9

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.45 AU - 2.59 AU

Year: 2812 Days

Day: 7.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,962,050 km

• M1: 110,852 km (0.106 R)
• M2: 835,055 km (0.11 R)
• M3: 1,194,389 km (0.076 R)
• M4: 2,435,154 km (0.119 R)
• M5: 3,514,652 km (0.106 R)
• M6: 4,291,215 km (0.039 R)
• M7: 5,690,853 km (0.095 R)
• M8: 6,014,732 km (0.115 R)
• M9: 6,878,809 km (0.052 R)
• M10: 7,757,846 km (0.072 R)
• M11: 8,292,808 km (0.115 R)
• M12: 10,968,067 km (0.09 R)
• M13: 11,556,286 km (0.071 R)
• M14: 15,174,759 km (0.049 R)
• M15: 15,589,295 km (0.114 R)
• M16: 18,006,049 km (0.108 R)
• M17: 19,485,123 km (0.096 R)
• M18: 20,725,439 km (0.079 R)
• M19: 21,300,343 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.9

Radius: 13.1

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.48 AU - 3.52 AU

Year: 3653 Days

Day: 9.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,962,050 km

• M1: 162,912 km (0.113 R)
• M2: 603,179 km (0.061 R)
• M3: 1,079,199 km (0.103 R)
• M4: 1,599,949 km (0.07 R)
• M5: 2,765,317 km (0.088 R)
• M6: 3,724,089 km (0.087 R)
• M7: 5,333,463 km (0.085 R)
• M8: 5,961,774 km (0.113 R)
• M9: 7,057,130 km (0.085 R)
• M10: 7,653,128 km (0.108 R)
• M11: 8,453,925 km (0.112 R)
• M12: 11,659,508 km (0.082 R)
• M13: 15,186,278 km (0.092 R)
• M14: 17,331,961 km (0.106 R)
• M15: 18,186,464 km (0.079 R)
• M16: 19,308,896 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.8

Radius: 10.3

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.07 AU - 3.09 AU

Year: 3800 Days

Day: 12.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,962,050 km

• M1: 130,001 km (0.097 R)
• M2: 525,089 km (0.109 R)
• M3: 888,312 km (0.086 R)
• M4: 1,392,607 km (0.119 R)
• M5: 1,786,947 km (0.119 R)
• M6: 2,285,855 km (0.105 R)
• M7: 3,732,018 km (0.079 R)
• M8: 4,060,086 km (0.108 R)
• M9: 4,650,100 km (0.088 R)
• M10: 6,516,034 km (0.118 R)
• M11: 7,737,651 km (0.036 R)
• M12: 8,201,254 km (0.105 R)
• M13: 8,532,913 km (0.042 R)
• M14: 12,507,579 km (0.063 R)
• M15: 15,473,506 km (0.098 R)
• M16: 15,867,547 km (0.113 R)
• M17: 16,970,532 km (0.081 R)
• M18: 17,449,993 km (0.109 R)
• M19: 17,815,610 km (0.089 R)
• M20: 20,250,615 km (0.101 R)
• M21: 20,790,065 km (0.057 R)
• M22: 24,839,530 km (0.04 R)
• M23: 25,849,614 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.9

Radius: 3.9

Gravity: 42.2 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.87 AU - 7.63 AU

Year: 10983 Days

Day: 16.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 49,962,050 km

• M1: 49,367 km (0.057 R)
• M2: 185,352 km (0.053 R)
• M3: 339,438 km (0.066 R)
• M4: 647,609 km (0.107 R)
• M5: 1,008,738 km (0.114 R)
• M6: 1,155,344 km (0.068 R)
• M7: 1,745,209 km (0.114 R)
• M8: 2,224,072 km (0.115 R)
• M9: 3,932,180 km (0.081 R)
• M10: 4,326,819 km (0.062 R)
• M11: 5,704,316 km (0.054 R)
• M12: 5,953,247 km (0.077 R)
• M13: 6,209,359 km (0.107 R)
• M14: 6,862,054 km (0.086 R)
• M15: 7,225,577 km (0.077 R)
• M16: 7,391,182 km (0.067 R)
• M17: 9,581,295 km (0.045 R)
• M18: 9,984,162 km (0.119 R)
• M19: 11,094,926 km (0.114 R)
• M20: 11,260,082 km (0.075 R)
• M21: 11,538,933 km (0.101 R)
• M22: 12,581,181 km (0.076 R)
• M23: 12,820,986 km (0.085 R)
• M24: 13,309,872 km (0.079 R)
• M25: 14,066,239 km (0.045 R)
• M26: 15,051,640 km (0.064 R)
• M27: 16,011,909 km (0.116 R)
• M28: 18,282,206 km (0.115 R)
• M29: 19,613,926 km (0.097 R)
• M30: 23,178,694 km (0.115 R)
• M31: 26,265,048 km (0.117 R)
• M32: 28,365,551 km (0.09 R)
• M33: 31,117,703 km (0.058 R)
• M34: 31,998,985 km (0.116 R)
• M35: 33,352,097 km (0.06 R)
• M36: 34,625,325 km (0.059 R)
• M37: 37,268,570 km (0.053 R)
• M38: 39,018,865 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.9

Radius: 3.2

Gravity: 58.49 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.98 AU - 6.82 AU

Year: 11381 Days

Day: 16.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 49,962,050 km

• M1: 40,541 km (0.032 R)
• M2: 326,123 km (0.064 R)
• M3: 463,604 km (0.1 R)
• M4: 616,044 km (0.108 R)
• M5: 927,357 km (0.049 R)
• M6: 1,044,343 km (0.078 R)
• M7: 1,785,301 km (0.089 R)
• M8: 2,254,440 km (0.087 R)
• M9: 2,487,364 km (0.093 R)
• M10: 2,589,090 km (0.063 R)
• M11: 3,187,183 km (0.051 R)
• M12: 3,505,677 km (0.065 R)
• M13: 3,712,122 km (0.111 R)
• M14: 4,350,605 km (0.087 R)
• M15: 4,804,635 km (0.091 R)
• M16: 5,630,116 km (0.071 R)
• M17: 5,841,498 km (0.115 R)
• M18: 7,813,796 km (0.105 R)
• M19: 8,390,945 km (0.091 R)
• M20: 9,629,914 km (0.057 R)
• M21: 13,623,579 km (0.106 R)
• M22: 15,257,188 km (0.114 R)
• M23: 17,163,065 km (0.067 R)
• M24: 18,287,741 km (0.066 R)
• M25: 18,595,614 km (0.05 R)
• M26: 20,682,354 km (0.078 R)
• M27: 23,548,799 km (0.112 R)
• M28: 25,029,220 km (0.052 R)
• M29: 29,312,955 km (0.103 R)
• M30: 34,526,441 km (0.108 R)
• M31: 34,643,576 km (0.105 R)
• M32: 36,676,312 km (0.069 R)
• M33: 39,040,556 km (0.033 R)
• M34: 44,623,250 km (0.083 R)
• M35: 47,026,240 km (0.062 R)
• M36: 47,170,153 km (0.11 R)
• M37: 47,894,506 km (0.119 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 18,510 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit