🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.2

Radius: 14

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.68 AU - 1.04 AU

Year: 523 Days

Day: 12.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,078,066 km

• M1: 175,030 km (0.117 R)
• M2: 611,406 km (0.058 R)
• M3: 1,069,026 km (0.08 R)
• M4: 1,510,041 km (0.114 R)
• M5: 2,189,814 km (0.107 R)
• M6: 3,023,074 km (0.101 R)
• M7: 3,621,465 km (0.117 R)
• M8: 4,170,489 km (0.099 R)
• M9: 4,915,188 km (0.064 R)
• M10: 5,488,147 km (0.105 R)
• M11: 6,421,937 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.6

Radius: 14.7

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.56 AU - 1.84 AU

Year: 1454 Days

Day: 9 Hours

Environment

Temp: -179 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,078,066 km

• M1: 183,108 km (0.108 R)
• M2: 715,527 km (0.095 R)
• M3: 1,579,604 km (0.073 R)
• M4: 2,266,408 km (0.069 R)
• M5: 2,890,979 km (0.119 R)
• M6: 3,523,927 km (0.099 R)
• M7: 4,398,925 km (0.108 R)
• M8: 5,922,580 km (0.054 R)
• M9: 6,888,234 km (0.102 R)
• M10: 7,376,671 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398

Radius: 10.1

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.59 AU - 2.53 AU

Year: 1940 Days

Day: 6 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,078,066 km

• M1: 125,662 km (0.07 R)
• M2: 629,209 km (0.12 R)
• M3: 1,225,955 km (0.085 R)
• M4: 1,716,486 km (0.111 R)
• M5: 4,100,777 km (0.072 R)
• M6: 4,917,731 km (0.04 R)
• M7: 5,483,809 km (0.088 R)
• M8: 6,721,283 km (0.094 R)
• M9: 9,804,196 km (0.119 R)
• M10: 10,130,319 km (0.088 R)
• M11: 10,633,267 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.4

Radius: 13.3

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2 AU - 2.74 AU

Year: 2393 Days

Day: 9.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,078,066 km

• M1: 165,455 km (0.1 R)
• M2: 729,589 km (0.086 R)
• M3: 1,625,082 km (0.064 R)
• M4: 2,102,598 km (0.048 R)
• M5: 2,836,525 km (0.089 R)
• M6: 3,769,268 km (0.107 R)
• M7: 4,391,296 km (0.118 R)
• M8: 5,312,669 km (0.116 R)
• M9: 5,774,328 km (0.111 R)
• M10: 6,383,042 km (0.101 R)
• M11: 7,034,541 km (0.068 R)
• M12: 8,411,888 km (0.069 R)
• M13: 10,060,906 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.7

Radius: 8.6

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.23 AU - 3.45 AU

Year: 3140 Days

Day: 9.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,078,066 km

• M1: 106,962 km (0.081 R)
• M2: 685,607 km (0.071 R)
• M3: 1,970,354 km (0.093 R)
• M4: 2,883,798 km (0.114 R)
• M5: 3,226,377 km (0.1 R)
• M6: 3,850,948 km (0.075 R)
• M7: 4,420,168 km (0.087 R)
• M8: 5,166,063 km (0.081 R)
• M9: 6,582,456 km (0.115 R)
• M10: 7,271,504 km (0.115 R)
• M11: 7,908,940 km (0.088 R)
• M12: 10,435,947 km (0.062 R)
• M13: 11,838,876 km (0.095 R)
• M14: 12,451,629 km (0.054 R)
• M15: 13,551,024 km (0.101 R)
• M16: 16,473,119 km (0.093 R)
• M17: 16,797,447 km (0.091 R)
• M18: 17,515,068 km (0.075 R)
• M19: 18,080,847 km (0.063 R)
• M20: 18,542,207 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.1

Radius: 14.6

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.92 AU - 5.9 AU

Year: 7137 Days

Day: 7.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 65,078,066 km

• M1: 199,115 km (0.091 R)
• M2: 3,846,012 km (0.119 R)
• M3: 5,436,087 km (0.099 R)
• M4: 11,884,653 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.1

Radius: 5.3

Gravity: 26.56 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.55 AU - 7.97 AU

Year: 11530 Days

Day: 18.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 65,078,066 km

• M1: 65,973 km (0.104 R)
• M2: 271,520 km (0.065 R)
• M3: 449,242 km (0.032 R)
• M4: 814,710 km (0.117 R)
• M5: 1,217,128 km (0.119 R)
• M6: 2,678,101 km (0.046 R)
• M7: 3,085,007 km (0.093 R)
• M8: 3,353,386 km (0.112 R)
• M9: 3,610,844 km (0.1 R)
• M10: 4,282,688 km (0.105 R)
• M11: 4,493,471 km (0.07 R)
• M12: 4,679,571 km (0.099 R)
• M13: 5,689,207 km (0.107 R)
• M14: 8,038,492 km (0.045 R)
• M15: 8,930,394 km (0.11 R)
• M16: 12,603,022 km (0.093 R)
• M17: 13,608,918 km (0.07 R)
• M18: 14,599,555 km (0.102 R)
• M19: 17,398,382 km (0.082 R)
• M20: 18,013,678 km (0.111 R)
• M21: 20,963,150 km (0.078 R)
• M22: 21,135,786 km (0.102 R)
• M23: 23,468,316 km (0.086 R)
• M24: 25,966,750 km (0.086 R)
• M25: 26,567,535 km (0.105 R)
• M26: 28,214,906 km (0.1 R)
• M27: 29,063,426 km (0.117 R)
• M28: 29,494,118 km (0.085 R)
• M29: 31,484,817 km (0.106 R)
• M30: 34,877,696 km (0.069 R)
• M31: 36,101,856 km (0.077 R)
• M32: 36,474,654 km (0.064 R)
• M33: 38,248,286 km (0.088 R)
• M34: 39,418,441 km (0.049 R)
• M35: 40,746,271 km (0.079 R)
• M36: 44,480,084 km (0.104 R)
• M37: 47,240,016 km (0.088 R)
• M38: 49,958,059 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304.6

Radius: 3.9

Gravity: 20.03 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.47 AU - 9.37 AU

Year: 14622 Days

Day: 24.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,078,066 km

• M1: 48,619 km (0.078 R)
• M2: 248,632 km (0.111 R)
• M3: 413,937 km (0.066 R)
• M4: 758,012 km (0.105 R)
• M5: 1,345,334 km (0.107 R)
• M6: 1,548,338 km (0.108 R)
• M7: 1,771,538 km (0.096 R)
• M8: 1,998,777 km (0.104 R)
• M9: 2,319,216 km (0.102 R)
• M10: 2,452,807 km (0.1 R)
• M11: 2,591,484 km (0.049 R)
• M12: 2,735,397 km (0.037 R)
• M13: 3,246,274 km (0.092 R)
• M14: 3,688,485 km (0.065 R)
• M15: 5,621,738 km (0.111 R)
• M16: 6,939,696 km (0.083 R)
• M17: 9,282,548 km (0.102 R)
• M18: 9,474,632 km (0.109 R)
• M19: 9,767,544 km (0.076 R)
• M20: 11,934,021 km (0.091 R)
• M21: 14,528,796 km (0.085 R)
• M22: 14,852,974 km (0.109 R)
• M23: 15,314,783 km (0.085 R)
• M24: 15,448,523 km (0.091 R)
• M25: 15,991,264 km (0.118 R)
• M26: 16,546,572 km (0.094 R)
• M27: 20,553,999 km (0.025 R)
• M28: 20,962,551 km (0.099 R)
• M29: 23,527,706 km (0.103 R)
• M30: 26,198,925 km (0.089 R)
• M31: 29,270,619 km (0.106 R)
• M32: 29,683,658 km (0.098 R)
• M33: 30,945,965 km (0.103 R)
• M34: 34,831,770 km (0.095 R)
• M35: 38,781,602 km (0.049 R)
• M36: 39,782,263 km (0.101 R)
• M37: 41,834,895 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.7

Radius: 3.4

Gravity: 52.83 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.82 AU - 11.98 AU

Year: 20434 Days

Day: 19.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 65,078,066 km

• M1: 42,935 km (0.098 R)
• M2: 173,833 km (0.115 R)
• M3: 1,188,555 km (0.101 R)
• M4: 2,066,994 km (0.116 R)
• M5: 2,362,898 km (0.097 R)
• M6: 3,652,582 km (0.113 R)
• M7: 5,011,080 km (0.111 R)
• M8: 5,701,624 km (0.115 R)
• M9: 8,670,693 km (0.06 R)
• M10: 11,475,503 km (0.085 R)
• M11: 11,668,484 km (0.1 R)
• M12: 12,394,932 km (0.058 R)
• M13: 13,362,531 km (0.1 R)
• M14: 13,576,156 km (0.057 R)
• M15: 14,528,646 km (0.091 R)
• M16: 14,754,539 km (0.045 R)
• M17: 18,519,020 km (0.05 R)
• M18: 21,975,179 km (0.099 R)
• M19: 22,472,891 km (0.089 R)
• M20: 23,594,277 km (0.093 R)
• M21: 26,058,303 km (0.081 R)
• M22: 27,754,444 km (0.098 R)
• M23: 29,402,713 km (0.057 R)
• M24: 32,377,916 km (0.095 R)
• M25: 37,630,148 km (0.117 R)
• M26: 40,087,143 km (0.084 R)
• M27: 40,531,449 km (0.054 R)
• M28: 42,648,857 km (0.105 R)
• M29: 44,679,947 km (0.108 R)
• M30: 44,838,671 km (0.109 R)
• M31: 53,270,605 km (0.091 R)
• M32: 56,176,544 km (0.112 R)
• M33: 56,733,048 km (0.057 R)
• M34: 57,480,588 km (0.093 R)
• M35: 58,234,711 km (0.111 R)
• M36: 59,378,088 km (0.032 R)
• M37: 63,297,851 km (0.108 R)
• M38: 66,348,152 km (0.072 R)
• M39: 66,555,045 km (0.063 R)
• M40: 74,288,358 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.6

Radius: 7.4

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 9.64 AU - 10.72 AU

Year: 21307 Days

Day: 18.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 166.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,078,066 km

• M1: 94,845 km (0.092 R)
• M2: 338,690 km (0.117 R)
• M3: 1,549,385 km (0.092 R)
• M4: 2,084,796 km (0.115 R)
• M5: 5,295,017 km (0.088 R)
• M6: 6,753,297 km (0.11 R)
• M7: 8,264,086 km (0.095 R)
• M8: 8,611,452 km (0.085 R)
• M9: 10,728,112 km (0.111 R)
• M10: 11,875,378 km (0.079 R)
• M11: 13,236,270 km (0.102 R)
• M12: 19,901,154 km (0.053 R)
• M13: 23,155,207 km (0.065 R)
• M14: 26,747,501 km (0.116 R)
• M15: 27,508,056 km (0.12 R)
• M16: 30,108,367 km (0.108 R)
• M17: 37,654,532 km (0.119 R)
• M18: 39,580,455 km (0.061 R)
• M19: 41,860,925 km (0.104 R)
• M20: 43,181,276 km (0.068 R)
• M21: 47,466,806 km (0.111 R)
• M22: 65,078,066 km (0.096 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 18,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit