🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.4

Radius: 14.8

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.57 AU - 1.65 AU

Year: 1340 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,532,022 km

• M1: 184,155 km (0.106 R)
• M2: 755,768 km (0.039 R)
• M3: 1,586,037 km (0.062 R)
• M4: 2,488,112 km (0.109 R)
• M5: 3,565,815 km (0.044 R)
• M6: 4,087,463 km (0.061 R)
• M7: 7,535,544 km (0.105 R)
• M8: 8,086,812 km (0.077 R)
• M9: 10,034,277 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519

Radius: 11.2

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.6 AU - 1.64 AU

Year: 1353 Days

Day: 8.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,532,022 km

• M1: 140,323 km (0.118 R)
• M2: 533,466 km (0.086 R)
• M3: 923,318 km (0.085 R)
• M4: 1,373,907 km (0.11 R)
• M5: 1,861,746 km (0.111 R)
• M6: 2,313,082 km (0.099 R)
• M7: 3,424,445 km (0.071 R)
• M8: 4,108,257 km (0.115 R)
• M9: 4,600,883 km (0.106 R)
• M10: 5,898,195 km (0.091 R)
• M11: 6,573,181 km (0.111 R)
• M12: 7,917,617 km (0.099 R)
• M13: 8,487,286 km (0.105 R)
• M14: 8,882,074 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909

Radius: 8.9

Gravity: 11.48 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.66 AU - 2.36 AU

Year: 1869 Days

Day: 9.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,532,022 km

• M1: 110,702 km (0.098 R)
• M2: 558,898 km (0.032 R)
• M3: 1,087,128 km (0.107 R)
• M4: 1,618,499 km (0.083 R)
• M5: 1,921,435 km (0.109 R)
• M6: 2,353,773 km (0.037 R)
• M7: 2,988,666 km (0.101 R)
• M8: 3,918,567 km (0.073 R)
• M9: 4,429,892 km (0.108 R)
• M10: 5,707,159 km (0.106 R)
• M11: 6,183,030 km (0.102 R)
• M12: 6,631,075 km (0.03 R)
• M13: 8,904,065 km (0.109 R)
• M14: 9,965,013 km (0.109 R)
• M15: 11,573,340 km (0.097 R)
• M16: 12,542,585 km (0.092 R)
• M17: 13,175,384 km (0.103 R)
• M18: 14,007,148 km (0.111 R)
• M19: 15,343,655 km (0.044 R)
• M20: 17,118,634 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.4

Radius: 10.8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.29 AU - 2.75 AU

Year: 2624 Days

Day: 12.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,532,022 km

• M1: 134,488 km (0.092 R)
• M2: 512,822 km (0.092 R)
• M3: 882,029 km (0.054 R)
• M4: 1,435,840 km (0.032 R)
• M5: 2,510,701 km (0.081 R)
• M6: 2,942,590 km (0.08 R)
• M7: 3,683,848 km (0.042 R)
• M8: 4,175,426 km (0.111 R)
• M9: 5,371,611 km (0.051 R)
• M10: 7,730,470 km (0.084 R)
• M11: 8,455,571 km (0.092 R)
• M12: 9,284,193 km (0.065 R)
• M13: 10,482,921 km (0.082 R)
• M14: 10,904,638 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.6

Radius: 10

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.63 AU - 5.23 AU

Year: 7181 Days

Day: 10.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,532,022 km

• M1: 274,213 km (0.034 R)
• M2: 694,284 km (0.098 R)
• M3: 1,100,143 km (0.099 R)
• M4: 1,639,144 km (0.079 R)
• M5: 2,105,440 km (0.096 R)
• M6: 2,524,165 km (0.035 R)
• M7: 3,407,241 km (0.094 R)
• M8: 3,853,342 km (0.102 R)
• M9: 4,219,109 km (0.096 R)
• M10: 5,209,297 km (0.083 R)
• M11: 7,433,518 km (0.104 R)
• M12: 9,108,715 km (0.078 R)
• M13: 14,454,445 km (0.085 R)
• M14: 15,626,395 km (0.075 R)
• M15: 16,206,087 km (0.118 R)
• M16: 17,163,663 km (0.1 R)
• M17: 22,818,462 km (0.117 R)
• M18: 25,581,834 km (0.091 R)
• M19: 26,878,848 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.3

Radius: 10.1

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.04 AU - 5.54 AU

Year: 7982 Days

Day: 9.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 20,532,022 km

• M1: 125,662 km (0.068 R)
• M2: 447,148 km (0.041 R)
• M3: 877,541 km (0.104 R)
• M4: 1,240,765 km (0.048 R)
• M5: 1,718,132 km (0.047 R)
• M6: 2,347,191 km (0.095 R)
• M7: 2,877,665 km (0.102 R)
• M8: 3,423,996 km (0.045 R)
• M9: 4,520,698 km (0.117 R)
• M10: 5,288,434 km (0.092 R)
• M11: 7,082,113 km (0.108 R)
• M12: 8,573,454 km (0.113 R)
• M13: 9,127,714 km (0.099 R)
• M14: 10,439,987 km (0.042 R)
• M15: 11,211,014 km (0.099 R)
• M16: 11,681,948 km (0.112 R)
• M17: 12,764,738 km (0.056 R)
• M18: 13,226,397 km (0.105 R)
• M19: 14,074,766 km (0.04 R)
• M20: 14,623,192 km (0.094 R)
• M21: 17,707,750 km (0.079 R)
• M22: 20,219,050 km (0.1 R)
• M23: 20,706,290 km (0.075 R)
• M24: 21,849,367 km (0.116 R)
• M25: 24,183,094 km (0.088 R)
• M26: 24,653,280 km (0.112 R)
• M27: 25,611,903 km (0.102 R)
• M28: 27,012,289 km (0.086 R)
• M29: 30,145,168 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.1

Radius: 3.9

Gravity: 59.57 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.31 AU - 8.33 AU

Year: 11684 Days

Day: 18.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 20,532,022 km

• M1: 49,666 km (0.078 R)
• M2: 182,659 km (0.117 R)
• M3: 411,843 km (0.119 R)
• M4: 730,636 km (0.116 R)
• M5: 1,248,245 km (0.085 R)
• M6: 1,398,590 km (0.108 R)
• M7: 2,422,588 km (0.07 R)
• M8: 2,548,998 km (0.104 R)
• M9: 2,702,037 km (0.025 R)
• M10: 3,223,535 km (0.026 R)
• M11: 3,894,182 km (0.083 R)
• M12: 4,068,015 km (0.12 R)
• M13: 4,307,970 km (0.079 R)
• M14: 4,621,078 km (0.108 R)
• M15: 4,750,480 km (0.034 R)
• M16: 5,118,790 km (0.066 R)
• M17: 5,292,473 km (0.043 R)
• M18: 6,743,274 km (0.088 R)
• M19: 8,584,524 km (0.092 R)
• M20: 9,130,257 km (0.119 R)
• M21: 9,334,309 km (0.109 R)
• M22: 10,456,143 km (0.066 R)
• M23: 12,582,976 km (0.055 R)
• M24: 14,840,857 km (0.081 R)
• M25: 15,337,073 km (0.11 R)
• M26: 18,958,688 km (0.036 R)
• M27: 25,751,179 km (0.088 R)
• M28: 28,368,394 km (0.117 R)
• M29: 29,131,792 km (0.115 R)
• M30: 30,021,001 km (0.086 R)
• M31: 31,157,646 km (0.116 R)
• M32: 42,848,570 km (0.08 R)
• M33: 45,908,146 km (0.063 R)
• M34: 51,970,300 km (0.118 R)
• M35: 55,954,092 km (0.049 R)
• M36: 56,808,894 km (0.101 R)
• M37: 56,980,931 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.9

Radius: 6.9

Gravity: 14.7 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.14 AU - 7.56 AU

Year: 13072 Days

Day: 19 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,532,022 km

• M1: 87,814 km (0.061 R)
• M2: 349,461 km (0.115 R)
• M3: 1,904,381 km (0.046 R)
• M4: 2,252,495 km (0.083 R)
• M5: 3,478,300 km (0.054 R)
• M6: 5,164,418 km (0.119 R)
• M7: 5,955,491 km (0.116 R)
• M8: 7,641,160 km (0.109 R)
• M9: 8,473,074 km (0.066 R)
• M10: 9,884,979 km (0.073 R)
• M11: 20,366,254 km (0.07 R)
• M12: 22,783,157 km (0.109 R)
• M13: 25,086,366 km (0.108 R)
• M14: 28,608,648 km (0.113 R)
• M15: 38,036,605 km (0.117 R)
• M16: 38,562,442 km (0.104 R)
• M17: 41,264,777 km (0.064 R)
• M18: 41,959,510 km (0.103 R)
• M19: 43,372,462 km (0.087 R)
• M20: 43,658,792 km (0.103 R)
• M21: 44,525,413 km (0.094 R)
• M22: 49,186,583 km (0.116 R)
• M23: 50,915,635 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.8

Radius: 4.4

Gravity: 38.94 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.36 AU - 9.28 AU

Year: 17184 Days

Day: 21.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,532,022 km

• M1: 55,052 km (0.09 R)
• M2: 266,583 km (0.113 R)
• M3: 415,732 km (0.089 R)
• M4: 683,961 km (0.104 R)
• M5: 2,674,212 km (0.112 R)
• M6: 5,198,676 km (0.108 R)
• M7: 6,914,862 km (0.047 R)
• M8: 7,998,699 km (0.115 R)
• M9: 9,029,129 km (0.094 R)
• M10: 14,039,760 km (0.116 R)
• M11: 18,651,414 km (0.105 R)
• M12: 19,989,866 km (0.114 R)
• M13: 29,744,096 km (0.099 R)
• M14: 31,442,480 km (0.079 R)
• M15: 36,104,549 km (0.113 R)
• M16: 49,729,324 km (0.032 R)
• M17: 55,295,412 km (0.099 R)
• M18: 58,041,580 km (0.1 R)
• M19: 64,800,412 km (0.053 R)
• M20: 69,097,162 km (0.057 R)
• M21: 69,306,450 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.9

Radius: 4.1

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 9.92 AU - 11.02 AU

Year: 22224 Days

Day: 17.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,532,022 km

• M1: 63,579 km (0.093 R)
• M2: 238,010 km (0.088 R)
• M3: 1,055,114 km (0.115 R)
• M4: 1,294,171 km (0.115 R)
• M5: 3,824,021 km (0.066 R)
• M6: 6,896,911 km (0.11 R)
• M7: 13,260,654 km (0.092 R)
• M8: 16,313,349 km (0.115 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: 266 - 17,226 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit