🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.9

Radius: 11.7

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.58 AU - 0.62 AU

Year: 315 Days

Day: 14.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,004,770 km

• M1: 145,559 km (0.103 R)
• M2: 540,796 km (0.114 R)
• M3: 985,102 km (0.094 R)
• M4: 1,399,638 km (0.102 R)
• M5: 1,783,506 km (0.116 R)
• M6: 2,395,361 km (0.111 R)
• M7: 2,820,967 km (0.112 R)
• M8: 3,230,566 km (0.115 R)
• M9: 3,608,151 km (0.103 R)
• M10: 4,237,060 km (0.06 R)
• M11: 4,677,028 km (0.059 R)
• M12: 5,086,926 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.4

Radius: 10.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.57 AU - 0.79 AU

Year: 380 Days

Day: 12 Hours

Environment

Temp: -154 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,004,770 km

• M1: 132,245 km (0.102 R)
• M2: 565,330 km (0.084 R)
• M3: 1,231,938 km (0.088 R)
• M4: 1,570,329 km (0.083 R)
• M5: 2,056,073 km (0.063 R)
• M6: 2,632,623 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.2

Radius: 13.4

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.28 AU - 1.48 AU

Year: 1100 Days

Day: 5.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 62,004,770 km

• M1: 173,534 km (0.089 R)
• M2: 1,200,673 km (0.075 R)
• M3: 1,798,466 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.1

Radius: 10.7

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.66 AU - 2.7 AU

Year: 2976 Days

Day: 13.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,004,770 km

• M1: 163,062 km (0.063 R)
• M2: 932,144 km (0.056 R)
• M3: 1,587,832 km (0.04 R)
• M4: 2,285,855 km (0.116 R)
• M5: 3,729,625 km (0.112 R)
• M6: 5,075,706 km (0.117 R)
• M7: 5,566,238 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.2

Radius: 8.2

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.21 AU - 3.47 AU

Year: 4140 Days

Day: 7.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,004,770 km

• M1: 102,175 km (0.043 R)
• M2: 1,199,775 km (0.108 R)
• M3: 1,615,657 km (0.061 R)
• M4: 2,068,340 km (0.059 R)
• M5: 2,912,970 km (0.043 R)
• M6: 3,266,320 km (0.106 R)
• M7: 4,218,510 km (0.1 R)
• M8: 4,771,574 km (0.114 R)
• M9: 5,052,668 km (0.102 R)
• M10: 6,169,715 km (0.091 R)
• M11: 7,375,773 km (0.115 R)
• M12: 8,433,580 km (0.084 R)
• M13: 9,669,857 km (0.058 R)
• M14: 11,515,595 km (0.114 R)
• M15: 11,976,357 km (0.05 R)
• M16: 13,232,081 km (0.095 R)
• M17: 16,461,151 km (0.102 R)
• M18: 17,224,100 km (0.109 R)
• M19: 19,525,065 km (0.105 R)
• M20: 23,239,431 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.2

Radius: 11

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.15 AU - 4.93 AU

Year: 6561 Days

Day: 7.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,004,770 km

• M1: 136,882 km (0.093 R)
• M2: 520,750 km (0.116 R)
• M3: 1,016,966 km (0.103 R)
• M4: 1,474,736 km (0.113 R)
• M5: 3,302,074 km (0.062 R)
• M6: 3,737,553 km (0.102 R)
• M7: 5,991,694 km (0.101 R)
• M8: 6,612,226 km (0.049 R)
• M9: 8,586,619 km (0.113 R)
• M10: 9,649,661 km (0.114 R)
• M11: 10,713,302 km (0.082 R)
• M12: 11,762,881 km (0.076 R)
• M13: 12,452,976 km (0.113 R)
• M14: 13,072,610 km (0.057 R)
• M15: 14,790,741 km (0.054 R)
• M16: 16,654,731 km (0.093 R)
• M17: 22,060,001 km (0.074 R)
• M18: 22,826,391 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.9

Radius: 3.3

Gravity: 19.27 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.67 AU - 7.27 AU

Year: 9894 Days

Day: 23.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,004,770 km

• M1: 46,675 km (0.077 R)
• M2: 167,400 km (0.103 R)
• M3: 333,603 km (0.03 R)
• M4: 441,164 km (0.115 R)
• M5: 651,050 km (0.119 R)
• M6: 838,795 km (0.092 R)
• M7: 2,903,096 km (0.099 R)
• M8: 3,904,056 km (0.085 R)
• M9: 5,115,050 km (0.117 R)
• M10: 7,494,853 km (0.088 R)
• M11: 14,842,054 km (0.11 R)
• M12: 21,142,368 km (0.092 R)
• M13: 23,714,404 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.8

Radius: 4.2

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.61 AU - 6.41 AU

Year: 9993 Days

Day: 17.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,004,770 km

• M1: 55,800 km (0.091 R)
• M2: 500,405 km (0.065 R)
• M3: 742,155 km (0.088 R)
• M4: 1,198,877 km (0.046 R)
• M5: 1,622,838 km (0.095 R)
• M6: 2,205,222 km (0.066 R)
• M7: 2,684,085 km (0.102 R)
• M8: 2,916,261 km (0.119 R)
• M9: 3,941,754 km (0.097 R)
• M10: 4,160,317 km (0.074 R)
• M11: 4,535,508 km (0.119 R)
• M12: 5,328,975 km (0.106 R)
• M13: 6,105,538 km (0.109 R)
• M14: 6,700,489 km (0.11 R)
• M15: 8,716,769 km (0.113 R)
• M16: 9,611,214 km (0.08 R)
• M17: 13,803,545 km (0.101 R)
• M18: 14,494,089 km (0.112 R)
• M19: 15,844,210 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.7

Radius: 4.4

Gravity: 27 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.78 AU - 9.06 AU

Year: 13709 Days

Day: 23.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 62,004,770 km

• M1: 54,753 km (0.045 R)
• M2: 461,360 km (0.034 R)
• M3: 606,470 km (0.047 R)
• M4: 764,445 km (0.099 R)
• M5: 950,096 km (0.06 R)
• M6: 1,371,663 km (0.062 R)
• M7: 1,742,516 km (0.086 R)
• M8: 2,994,351 km (0.084 R)
• M9: 3,136,170 km (0.053 R)
• M10: 3,749,222 km (0.108 R)
• M11: 4,084,022 km (0.113 R)
• M12: 4,377,982 km (0.081 R)
• M13: 7,302,171 km (0.037 R)
• M14: 8,370,001 km (0.09 R)
• M15: 9,136,989 km (0.109 R)
• M16: 9,386,070 km (0.103 R)
• M17: 9,793,873 km (0.1 R)
• M18: 10,754,741 km (0.101 R)
• M19: 11,894,078 km (0.05 R)
• M20: 12,311,306 km (0.042 R)
• M21: 13,750,587 km (0.114 R)
• M22: 14,883,941 km (0.119 R)
• M23: 15,578,973 km (0.065 R)
• M24: 17,793,620 km (0.06 R)
• M25: 18,735,338 km (0.026 R)
• M26: 19,137,308 km (0.087 R)
• M27: 19,545,111 km (0.035 R)
• M28: 19,792,397 km (0.098 R)
• M29: 20,209,476 km (0.104 R)
• M30: 21,936,134 km (0.032 R)
• M31: 22,653,456 km (0.1 R)
• M32: 24,802,878 km (0.104 R)
• M33: 25,778,406 km (0.063 R)
• M34: 25,976,473 km (0.099 R)
• M35: 27,289,195 km (0.117 R)
• M36: 33,568,715 km (0.119 R)
• M37: 45,047,958 km (0.08 R)
• M38: 45,624,209 km (0.034 R)
• M39: 50,257,554 km (0.039 R)
• M40: 51,033,070 km (0.08 R)
• M41: 51,345,580 km (0.045 R)
• M42: 51,502,209 km (0.087 R)
• M43: 53,246,969 km (0.117 R)
• M44: 53,729,571 km (0.062 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.1

Radius: 4.1

Gravity: 40.87 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.61 AU - 8.93 AU

Year: 14690 Days

Day: 17.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 62,004,770 km

• M1: 51,013 km (0.076 R)
• M2: 190,288 km (0.109 R)
• M3: 324,328 km (0.095 R)
• M4: 616,642 km (0.068 R)
• M5: 2,138,651 km (0.119 R)
• M6: 3,163,696 km (0.103 R)
• M7: 3,292,051 km (0.063 R)
• M8: 3,956,864 km (0.106 R)
• M9: 4,415,381 km (0.102 R)
• M10: 4,640,975 km (0.119 R)
• M11: 5,364,580 km (0.03 R)
• M12: 9,379,338 km (0.119 R)
• M13: 9,806,440 km (0.06 R)
• M14: 10,190,757 km (0.1 R)
• M15: 10,414,854 km (0.062 R)
• M16: 10,585,097 km (0.051 R)
• M17: 10,931,116 km (0.095 R)
• M18: 14,673,906 km (0.114 R)
• M19: 14,959,637 km (0.11 R)
• M20: 19,964,135 km (0.115 R)
• M21: 21,392,346 km (0.105 R)
• M22: 21,945,110 km (0.098 R)
• M23: 22,601,845 km (0.083 R)
• M24: 23,465,324 km (0.088 R)
• M25: 23,856,073 km (0.082 R)
• M26: 26,926,420 km (0.1 R)
• M27: 27,678,897 km (0.108 R)
• M28: 28,555,840 km (0.064 R)
• M29: 29,677,974 km (0.073 R)
• M30: 31,890,376 km (0.102 R)
• M31: 32,249,561 km (0.066 R)
• M32: 34,965,660 km (0.082 R)
• M33: 37,430,883 km (0.06 R)
• M34: 40,567,053 km (0.094 R)
• M35: 42,704,059 km (0.105 R)
• M36: 48,608,986 km (0.041 R)
• M37: 50,044,826 km (0.071 R)
• M38: 53,842,368 km (0.069 R)
• M39: 56,419,790 km (0.109 R)
• M40: 60,712,800 km (0.104 R)
• M41: 61,264,367 km (0.069 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 11,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit