🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.5

Radius: 11.2

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.77 AU - 0.89 AU

Year: 522 Days

Day: 5.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,460,186 km

• M1: 139,276 km (0.118 R)
• M2: 558,150 km (0.107 R)
• M3: 1,069,625 km (0.073 R)
• M4: 1,597,705 km (0.104 R)
• M5: 2,305,004 km (0.061 R)
• M6: 2,888,884 km (0.087 R)
• M7: 3,297,735 km (0.096 R)
• M8: 3,731,420 km (0.088 R)
• M9: 4,114,540 km (0.117 R)
• M10: 4,555,255 km (0.107 R)
• M11: 4,927,155 km (0.042 R)
• M12: 5,677,239 km (0.089 R)
• M13: 6,032,235 km (0.084 R)
• M14: 6,684,182 km (0.099 R)
• M15: 7,144,645 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.9

Radius: 9.3

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.19 AU - 1.75 AU

Year: 1230 Days

Day: 7 Hours

Environment

Temp: -187 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,460,186 km

• M1: 115,639 km (0.107 R)
• M2: 595,250 km (0.081 R)
• M3: 1,014,274 km (0.115 R)
• M4: 1,437,037 km (0.045 R)
• M5: 2,885,145 km (0.09 R)
• M6: 3,339,174 km (0.028 R)
• M7: 5,758,620 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.8

Radius: 8.6

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.6 AU - 2.16 AU

Year: 1779 Days

Day: 10 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,460,186 km

• M1: 110,553 km (0.095 R)
• M2: 498,011 km (0.089 R)
• M3: 861,385 km (0.068 R)
• M4: 1,212,790 km (0.108 R)
• M5: 1,613,862 km (0.105 R)
• M6: 2,056,821 km (0.088 R)
• M7: 2,395,810 km (0.118 R)
• M8: 2,997,642 km (0.077 R)
• M9: 3,538,438 km (0.107 R)
• M10: 4,927,305 km (0.119 R)
• M11: 5,844,041 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.7

Radius: 11.5

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.07 AU - 2.21 AU

Year: 2161 Days

Day: 7.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,460,186 km

• M1: 148,999 km (0.104 R)
• M2: 1,079,498 km (0.075 R)
• M3: 1,662,182 km (0.032 R)
• M4: 2,224,371 km (0.109 R)
• M5: 3,367,298 km (0.078 R)
• M6: 3,942,951 km (0.057 R)
• M7: 4,485,094 km (0.045 R)
• M8: 5,314,016 km (0.089 R)
• M9: 6,694,056 km (0.03 R)
• M10: 7,861,966 km (0.091 R)
• M11: 8,329,609 km (0.118 R)
• M12: 8,692,534 km (0.104 R)
• M13: 9,065,930 km (0.095 R)
• M14: 9,613,458 km (0.077 R)
• M15: 10,389,123 km (0.113 R)
• M16: 11,988,923 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.1

Radius: 9.7

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.11 AU - 3.99 AU

Year: 4617 Days

Day: 13.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,460,186 km

• M1: 148,850 km (0.069 R)
• M2: 697,575 km (0.097 R)
• M3: 1,411,456 km (0.108 R)
• M4: 1,785,451 km (0.096 R)
• M5: 2,291,091 km (0.085 R)
• M6: 5,939,185 km (0.095 R)
• M7: 8,201,853 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.1

Radius: 14.3

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.17 AU - 5.47 AU

Year: 8470 Days

Day: 5.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 127.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,460,186 km

• M1: 179,069 km (0.058 R)
• M2: 971,788 km (0.069 R)
• M3: 1,442,722 km (0.092 R)
• M4: 1,925,175 km (0.089 R)
• M5: 2,497,836 km (0.118 R)
• M6: 3,368,196 km (0.068 R)
• M7: 4,783,841 km (0.115 R)
• M8: 6,235,987 km (0.087 R)
• M9: 11,346,849 km (0.09 R)
• M10: 21,446,201 km (0.12 R)
• M11: 24,771,014 km (0.111 R)
• M12: 29,858,239 km (0.114 R)
• M13: 32,645,696 km (0.118 R)
• M14: 36,072,684 km (0.065 R)
• M15: 42,174,781 km (0.104 R)
• M16: 42,701,366 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.2

Radius: 4

Gravity: 47.89 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.15 AU - 10.25 AU

Year: 16208 Days

Day: 16.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,460,186 km

• M1: 49,816 km (0.102 R)
• M2: 254,616 km (0.065 R)
• M3: 512,971 km (0.028 R)
• M4: 790,326 km (0.096 R)
• M5: 998,117 km (0.11 R)
• M6: 1,255,575 km (0.088 R)
• M7: 1,996,234 km (0.109 R)
• M8: 2,153,461 km (0.088 R)
• M9: 2,941,094 km (0.104 R)
• M10: 3,250,612 km (0.119 R)
• M11: 3,553,099 km (0.108 R)
• M12: 3,904,056 km (0.087 R)
• M13: 4,709,191 km (0.096 R)
• M14: 5,775,076 km (0.106 R)
• M15: 6,343,099 km (0.059 R)
• M16: 6,640,799 km (0.094 R)
• M17: 7,732,116 km (0.098 R)
• M18: 11,094,477 km (0.068 R)
• M19: 12,489,328 km (0.068 R)
• M20: 13,228,790 km (0.055 R)
• M21: 14,428,415 km (0.085 R)
• M22: 14,647,277 km (0.046 R)
• M23: 19,953,364 km (0.116 R)
• M24: 20,962,102 km (0.108 R)
• M25: 25,763,296 km (0.111 R)
• M26: 26,410,606 km (0.114 R)
• M27: 27,290,541 km (0.074 R)
• M28: 27,737,689 km (0.104 R)
• M29: 30,643,777 km (0.098 R)
• M30: 32,983,638 km (0.118 R)
• M31: 33,618,531 km (0.104 R)
• M32: 34,651,355 km (0.1 R)
• M33: 35,307,491 km (0.112 R)
• M34: 36,239,935 km (0.101 R)
• M35: 42,181,962 km (0.058 R)
• M36: 48,088,984 km (0.097 R)
• M37: 55,768,590 km (0.103 R)
• M38: 63,246,689 km (0.088 R)
• M39: 64,620,446 km (0.098 R)
• M40: 65,215,247 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.1

Radius: 5.7

Gravity: 19.27 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.43 AU - 9.49 AU

Year: 18513 Days

Day: 23.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,460,186 km

• M1: 70,909 km (0.104 R)
• M2: 255,064 km (0.082 R)
• M3: 486,343 km (0.103 R)
• M4: 837,449 km (0.116 R)
• M5: 1,576,163 km (0.111 R)
• M6: 1,851,423 km (0.117 R)
• M7: 2,281,667 km (0.084 R)
• M8: 2,849,091 km (0.098 R)
• M9: 4,899,779 km (0.11 R)
• M10: 5,224,855 km (0.094 R)
• M11: 5,411,553 km (0.091 R)
• M12: 5,641,485 km (0.106 R)
• M13: 6,039,266 km (0.07 R)
• M14: 6,328,588 km (0.117 R)
• M15: 8,672,189 km (0.078 R)
• M16: 8,934,434 km (0.102 R)
• M17: 11,601,016 km (0.069 R)
• M18: 15,204,679 km (0.085 R)
• M19: 15,740,538 km (0.07 R)
• M20: 17,341,086 km (0.074 R)
• M21: 17,926,014 km (0.115 R)
• M22: 18,523,956 km (0.101 R)
• M23: 19,312,188 km (0.096 R)
• M24: 20,031,454 km (0.076 R)
• M25: 20,768,373 km (0.061 R)
• M26: 22,689,509 km (0.105 R)
• M27: 23,490,157 km (0.108 R)
• M28: 28,232,858 km (0.106 R)
• M29: 31,684,979 km (0.065 R)
• M30: 32,182,092 km (0.105 R)
• M31: 32,558,481 km (0.114 R)
• M32: 37,720,953 km (0.111 R)
• M33: 37,999,505 km (0.025 R)
• M34: 40,714,556 km (0.064 R)
• M35: 44,480,084 km (0.077 R)
• M36: 46,847,471 km (0.051 R)
• M37: 59,386,316 km (0.083 R)
• M38: 63,228,438 km (0.103 R)
• M39: 69,089,084 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.8

Radius: 6.2

Gravity: 17.01 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 8.22 AU - 11.54 AU

Year: 21436 Days

Day: 21 Hours

Environment

Temp: -244 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,460,186 km

• M1: 78,389 km (0.105 R)
• M2: 1,816,268 km (0.11 R)
• M3: 2,843,108 km (0.069 R)
• M4: 3,050,450 km (0.074 R)
• M5: 3,554,296 km (0.09 R)
• M6: 3,888,647 km (0.074 R)
• M7: 5,322,842 km (0.035 R)
• M8: 5,679,334 km (0.111 R)
• M9: 6,891,525 km (0.118 R)
• M10: 7,958,158 km (0.117 R)
• M11: 9,298,854 km (0.112 R)
• M12: 9,526,542 km (0.119 R)
• M13: 11,419,404 km (0.067 R)
• M14: 11,680,602 km (0.118 R)
• M15: 11,945,839 km (0.089 R)
• M16: 13,476,973 km (0.068 R)
• M17: 16,588,160 km (0.077 R)
• M18: 17,520,903 km (0.082 R)
• M19: 20,721,250 km (0.081 R)
• M20: 23,969,917 km (0.054 R)
• M21: 24,398,515 km (0.09 R)
• M22: 25,381,373 km (0.098 R)
• M23: 25,826,726 km (0.091 R)
• M24: 32,098,018 km (0.106 R)
• M25: 33,676,874 km (0.116 R)
• M26: 37,273,955 km (0.086 R)
• M27: 39,610,225 km (0.12 R)
• M28: 49,586,159 km (0.059 R)
• M29: 55,334,756 km (0.083 R)
• M30: 63,737,220 km (0.06 R)
• M31: 68,777,322 km (0.084 R)
• M32: 69,859,812 km (0.085 R)
• M33: 71,173,581 km (0.089 R)
• M34: 76,132,152 km (0.102 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 17,806 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit