🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.1

Radius: 12

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.87 AU - 1.01 AU

Year: 618 Days

Day: 5.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,688,235 km

• M1: 149,299 km (0.092 R)
• M2: 525,837 km (0.032 R)
• M3: 900,280 km (0.111 R)
• M4: 1,280,109 km (0.083 R)
• M5: 1,699,731 km (0.088 R)
• M6: 2,202,679 km (0.075 R)
• M7: 2,651,921 km (0.098 R)
• M8: 3,448,231 km (0.093 R)
• M9: 3,861,271 km (0.098 R)
• M10: 4,771,873 km (0.111 R)
• M11: 5,286,938 km (0.087 R)
• M12: 6,043,754 km (0.083 R)
• M13: 6,728,613 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.1

Radius: 14.1

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.99 AU - 1.31 AU

Year: 836 Days

Day: 12.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,688,235 km

• M1: 175,927 km (0.082 R)
• M2: 625,917 km (0.115 R)
• M3: 1,194,240 km (0.084 R)
• M4: 1,681,031 km (0.107 R)
• M5: 2,190,412 km (0.091 R)
• M6: 2,892,026 km (0.058 R)
• M7: 3,581,373 km (0.038 R)
• M8: 4,304,080 km (0.095 R)
• M9: 5,039,354 km (0.062 R)
• M10: 5,516,272 km (0.047 R)
• M11: 6,042,258 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.6

Radius: 10.4

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.91 AU - 1.41 AU

Year: 847 Days

Day: 9.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,688,235 km

• M1: 131,197 km (0.109 R)
• M2: 474,076 km (0.108 R)
• M3: 825,481 km (0.118 R)
• M4: 1,346,231 km (0.088 R)
• M5: 1,834,967 km (0.057 R)
• M6: 2,672,267 km (0.076 R)
• M7: 3,125,249 km (0.11 R)
• M8: 3,603,214 km (0.089 R)
• M9: 4,878,835 km (0.094 R)
• M10: 5,804,846 km (0.061 R)
• M11: 6,150,866 km (0.061 R)
• M12: 6,607,439 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.3

Radius: 9.2

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.05 AU - 1.33 AU

Year: 880 Days

Day: 13.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,688,235 km

• M1: 114,592 km (0.106 R)
• M2: 453,431 km (0.104 R)
• M3: 792,420 km (0.076 R)
• M4: 1,297,313 km (0.119 R)
• M5: 1,738,926 km (0.067 R)
• M6: 2,134,163 km (0.104 R)
• M7: 2,441,288 km (0.033 R)
• M8: 2,790,449 km (0.078 R)
• M9: 3,212,913 km (0.096 R)
• M10: 3,517,944 km (0.105 R)
• M11: 3,888,049 km (0.089 R)
• M12: 4,937,777 km (0.078 R)
• M13: 5,383,878 km (0.085 R)
• M14: 5,796,170 km (0.104 R)
• M15: 6,378,404 km (0.08 R)
• M16: 7,137,314 km (0.027 R)
• M17: 7,684,095 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.1

Radius: 8

Gravity: 13.52 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.61 AU - 1.61 AU

Year: 1386 Days

Day: 10 Hours

Environment

Temp: -200 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,688,235 km

• M1: 99,483 km (0.053 R)
• M2: 352,901 km (0.099 R)
• M3: 1,346,231 km (0.115 R)
• M4: 1,894,507 km (0.097 R)
• M5: 2,454,153 km (0.096 R)
• M6: 2,957,251 km (0.054 R)
• M7: 3,642,858 km (0.052 R)
• M8: 4,823,933 km (0.086 R)
• M9: 5,305,040 km (0.095 R)
• M10: 6,217,736 km (0.094 R)
• M11: 6,486,115 km (0.112 R)
• M12: 6,968,119 km (0.096 R)
• M13: 9,326,829 km (0.032 R)
• M14: 12,748,431 km (0.07 R)
• M15: 13,142,771 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.3

Radius: 11.4

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.97 AU - 2.25 AU

Year: 2079 Days

Day: 8.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,688,235 km

• M1: 149,747 km (0.049 R)
• M2: 555,158 km (0.044 R)
• M3: 997,219 km (0.106 R)
• M4: 1,477,279 km (0.099 R)
• M5: 2,157,500 km (0.118 R)
• M6: 2,631,726 km (0.116 R)
• M7: 3,917,819 km (0.112 R)
• M8: 4,528,028 km (0.071 R)
• M9: 5,004,946 km (0.113 R)
• M10: 5,607,527 km (0.106 R)
• M11: 7,369,042 km (0.1 R)
• M12: 8,031,012 km (0.076 R)
• M13: 8,985,297 km (0.103 R)
• M14: 11,416,861 km (0.058 R)
• M15: 11,912,478 km (0.105 R)
• M16: 12,422,458 km (0.113 R)
• M17: 13,360,586 km (0.053 R)
• M18: 14,040,508 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.4

Radius: 13.7

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.03 AU - 2.21 AU

Year: 2094 Days

Day: 12.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,688,235 km

• M1: 170,542 km (0.077 R)
• M2: 872,006 km (0.087 R)
• M3: 1,495,081 km (0.116 R)
• M4: 2,149,422 km (0.11 R)
• M5: 2,975,202 km (0.09 R)
• M6: 3,876,530 km (0.071 R)
• M7: 4,362,723 km (0.107 R)
• M8: 4,995,671 km (0.115 R)
• M9: 6,145,630 km (0.089 R)
• M10: 6,809,994 km (0.109 R)
• M11: 7,954,717 km (0.064 R)
• M12: 9,158,980 km (0.1 R)
• M13: 9,788,189 km (0.117 R)
• M14: 11,133,373 km (0.06 R)
• M15: 12,678,868 km (0.027 R)
• M16: 14,101,544 km (0.091 R)
• M17: 14,851,628 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.5

Radius: 4.6

Gravity: 27.2 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.75 AU - 6.93 AU

Year: 9572 Days

Day: 17.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,688,235 km

• M1: 57,296 km (0.088 R)
• M2: 254,316 km (0.067 R)
• M3: 408,253 km (0.09 R)
• M4: 556,953 km (0.12 R)
• M5: 1,326,634 km (0.069 R)
• M6: 2,993,304 km (0.106 R)
• M7: 3,819,982 km (0.095 R)
• M8: 4,028,521 km (0.062 R)
• M9: 4,383,517 km (0.089 R)
• M10: 4,909,204 km (0.067 R)
• M11: 7,277,188 km (0.089 R)
• M12: 8,573,005 km (0.085 R)
• M13: 9,724,460 km (0.104 R)
• M14: 10,113,714 km (0.07 R)
• M15: 11,397,114 km (0.053 R)
• M16: 12,613,195 km (0.079 R)
• M17: 13,670,403 km (0.09 R)
• M18: 15,561,470 km (0.098 R)
• M19: 18,640,044 km (0.087 R)
• M20: 19,930,775 km (0.116 R)
• M21: 20,321,524 km (0.115 R)
• M22: 23,286,554 km (0.093 R)
• M23: 27,191,059 km (0.095 R)
• M24: 29,853,302 km (0.086 R)
• M25: 33,227,333 km (0.119 R)
• M26: 33,776,506 km (0.092 R)
• M27: 34,892,955 km (0.072 R)
• M28: 35,688,966 km (0.091 R)
• M29: 36,847,003 km (0.107 R)
• M30: 37,910,494 km (0.059 R)
• M31: 41,097,377 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.7

Radius: 3.6

Gravity: 75.36 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.4 AU - 9.7 AU

Year: 20017 Days

Day: 15.7 Hours

Environment

Temp: -244 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 85,688,235 km

• M1: 125,363 km (0.072 R)
• M2: 255,513 km (0.09 R)
• M3: 679,773 km (0.072 R)
• M4: 919,877 km (0.107 R)
• M5: 1,273,676 km (0.074 R)
• M6: 1,549,984 km (0.086 R)
• M7: 2,090,630 km (0.115 R)
• M8: 2,288,399 km (0.078 R)
• M9: 2,522,818 km (0.051 R)
• M10: 2,645,938 km (0.109 R)
• M11: 3,410,831 km (0.037 R)
• M12: 4,312,907 km (0.049 R)
• M13: 5,086,028 km (0.067 R)
• M14: 5,990,647 km (0.069 R)
• M15: 6,526,806 km (0.086 R)
• M16: 8,767,333 km (0.077 R)
• M17: 9,107,818 km (0.103 R)
• M18: 9,754,978 km (0.107 R)
• M19: 11,472,362 km (0.071 R)
• M20: 12,226,484 km (0.076 R)
• M21: 12,940,066 km (0.066 R)
• M22: 18,729,354 km (0.077 R)
• M23: 19,869,140 km (0.104 R)
• M24: 20,953,875 km (0.109 R)
• M25: 22,706,862 km (0.102 R)
• M26: 25,458,715 km (0.044 R)
• M27: 28,057,230 km (0.105 R)
• M28: 36,903,102 km (0.068 R)
• M29: 42,753,276 km (0.119 R)
• M30: 43,077,156 km (0.061 R)
• M31: 50,987,442 km (0.088 R)
• M32: 53,012,698 km (0.027 R)
• M33: 55,666,864 km (0.088 R)
• M34: 62,271,011 km (0.082 R)
• M35: 63,315,055 km (0.079 R)
• M36: 66,300,280 km (0.108 R)
• M37: 70,049,801 km (0.063 R)
• M38: 70,725,834 km (0.093 R)
• M39: 74,171,223 km (0.067 R)
• M40: 74,873,435 km (0.107 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: 369 - 18,147 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit