🌌 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 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.52 AU - 0.66 AU

Year: 297 Days

Day: 34.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.2

Radius: 13.7

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.69 AU - 0.99 AU

Year: 505 Days

Day: 7 Hours

Environment

Temp: -143 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,729,542 km

• M1: 170,392 km (0.083 R)
• M2: 606,470 km (0.082 R)
• M3: 1,172,997 km (0.116 R)
• M4: 1,620,594 km (0.043 R)
• M5: 2,060,711 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.5

Radius: 13.4

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.16 AU - 1.34 AU

Year: 917 Days

Day: 12.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 135.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,729,542 km

• M1: 172,038 km (0.077 R)
• M2: 620,382 km (0.106 R)
• M3: 1,091,765 km (0.094 R)
• M4: 2,131,770 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.8

Radius: 12

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.36 AU - 1.44 AU

Year: 1087 Days

Day: 15 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,729,542 km

• M1: 167,101 km (0.085 R)
• M2: 572,361 km (0.088 R)
• M3: 1,051,823 km (0.077 R)
• M4: 1,432,549 km (0.089 R)
• M5: 1,916,648 km (0.103 R)
• M6: 3,066,457 km (0.109 R)
• M7: 3,807,565 km (0.113 R)
• M8: 4,189,488 km (0.099 R)
• M9: 5,607,377 km (0.062 R)
• M10: 7,231,262 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.2

Radius: 11

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.1 AU - 4.86 AU

Year: 5209 Days

Day: 11.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,729,542 km

• M1: 136,732 km (0.078 R)
• M2: 731,085 km (0.07 R)
• M3: 3,298,035 km (0.085 R)
• M4: 4,161,663 km (0.116 R)
• M5: 4,719,214 km (0.099 R)
• M6: 5,169,654 km (0.048 R)
• M7: 5,842,844 km (0.091 R)
• M8: 9,716,681 km (0.067 R)
• M9: 11,748,220 km (0.077 R)
• M10: 13,645,719 km (0.107 R)
• M11: 18,038,810 km (0.102 R)
• M12: 18,402,034 km (0.099 R)
• M13: 20,685,346 km (0.114 R)

Asteroid Belt

Center: 4.83 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.9

Radius: 8.7

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.25 AU - 6.11 AU

Year: 8880 Days

Day: 11.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,729,542 km

• M1: 108,309 km (0.065 R)
• M2: 441,912 km (0.083 R)
• M3: 2,013,288 km (0.069 R)
• M4: 3,200,946 km (0.068 R)
• M5: 3,764,331 km (0.085 R)
• M6: 12,028,267 km (0.078 R)
• M7: 14,641,144 km (0.103 R)
• M8: 16,507,377 km (0.096 R)
• M9: 17,893,401 km (0.092 R)
• M10: 18,237,177 km (0.081 R)
• M11: 19,839,370 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.1

Radius: 7.1

Gravity: 14.19 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.7 AU - 7.4 AU

Year: 9762 Days

Day: 24.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 50,729,542 km

• M1: 126,709 km (0.08 R)
• M2: 348,713 km (0.053 R)
• M3: 773,571 km (0.097 R)
• M4: 1,136,794 km (0.09 R)
• M5: 1,511,238 km (0.085 R)
• M6: 1,916,349 km (0.1 R)
• M7: 3,122,257 km (0.102 R)
• M8: 3,452,868 km (0.11 R)
• M9: 3,912,284 km (0.115 R)
• M10: 4,411,641 km (0.047 R)
• M11: 5,271,979 km (0.079 R)
• M12: 5,776,572 km (0.081 R)
• M13: 6,239,428 km (0.113 R)
• M14: 6,842,906 km (0.068 R)
• M15: 7,158,857 km (0.105 R)
• M16: 7,948,434 km (0.116 R)
• M17: 8,887,011 km (0.088 R)
• M18: 10,823,107 km (0.1 R)
• M19: 11,090,139 km (0.047 R)
• M20: 11,748,968 km (0.09 R)
• M21: 12,964,301 km (0.11 R)
• M22: 13,326,478 km (0.088 R)
• M23: 15,915,418 km (0.09 R)
• M24: 17,038,898 km (0.09 R)
• M25: 19,286,157 km (0.112 R)
• M26: 21,220,757 km (0.112 R)
• M27: 22,753,986 km (0.08 R)
• M28: 26,326,682 km (0.118 R)
• M29: 28,296,138 km (0.11 R)
• M30: 31,323,550 km (0.084 R)
• M31: 32,637,019 km (0.063 R)
• M32: 33,986,691 km (0.089 R)
• M33: 37,280,238 km (0.06 R)
• M34: 43,949,760 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.3

Radius: 7.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.56 AU - 8.32 AU

Year: 14677 Days

Day: 15.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 50,729,542 km

• M1: 100,081 km (0.078 R)
• M2: 369,058 km (0.081 R)
• M3: 1,140,983 km (0.065 R)
• M4: 1,533,827 km (0.074 R)
• M5: 3,056,733 km (0.086 R)
• M6: 3,504,629 km (0.112 R)
• M7: 4,587,718 km (0.094 R)
• M8: 5,054,014 km (0.072 R)
• M9: 6,047,344 km (0.113 R)
• M10: 6,680,742 km (0.095 R)
• M11: 8,500,001 km (0.07 R)
• M12: 9,339,844 km (0.088 R)
• M13: 9,850,721 km (0.111 R)
• M14: 10,827,146 km (0.079 R)
• M15: 11,287,010 km (0.118 R)
• M16: 11,813,145 km (0.044 R)
• M17: 12,801,239 km (0.094 R)
• M18: 15,447,177 km (0.103 R)
• M19: 16,293,901 km (0.096 R)
• M20: 16,627,654 km (0.086 R)
• M21: 17,377,887 km (0.082 R)
• M22: 18,079,351 km (0.025 R)
• M23: 20,917,971 km (0.106 R)
• M24: 22,607,679 km (0.106 R)
• M25: 26,256,371 km (0.108 R)
• M26: 28,411,927 km (0.114 R)
• M27: 30,179,126 km (0.082 R)
• M28: 31,603,298 km (0.068 R)
• M29: 33,822,882 km (0.06 R)
• M30: 34,257,164 km (0.099 R)
• M31: 34,585,233 km (0.096 R)
• M32: 36,144,342 km (0.092 R)
• M33: 38,806,436 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.6

Radius: 3.6

Gravity: 14.09 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 9.11 AU - 11.11 AU

Year: 21088 Days

Day: 22.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,729,542 km

• M1: 44,879 km (0.062 R)
• M2: 280,795 km (0.094 R)
• M3: 414,835 km (0.117 R)
• M4: 591,809 km (0.102 R)
• M5: 935,585 km (0.028 R)
• M6: 1,413,251 km (0.111 R)
• M7: 1,540,110 km (0.115 R)
• M8: 2,696,202 km (0.107 R)
• M9: 3,512,558 km (0.105 R)
• M10: 4,571,711 km (0.097 R)
• M11: 4,694,232 km (0.064 R)
• M12: 5,042,795 km (0.064 R)
• M13: 5,206,903 km (0.059 R)
• M14: 5,755,928 km (0.073 R)
• M15: 6,967,820 km (0.056 R)
• M16: 8,204,396 km (0.071 R)
• M17: 9,089,716 km (0.083 R)
• M18: 9,680,478 km (0.111 R)
• M19: 10,088,282 km (0.082 R)
• M20: 13,772,279 km (0.059 R)
• M21: 15,494,599 km (0.08 R)
• M22: 20,334,689 km (0.099 R)
• M23: 20,918,270 km (0.078 R)
• M24: 21,341,931 km (0.096 R)
• M25: 22,206,458 km (0.093 R)
• M26: 23,820,918 km (0.101 R)
• M27: 24,189,976 km (0.084 R)
• M28: 25,898,234 km (0.053 R)
• M29: 26,386,521 km (0.081 R)
• M30: 26,881,092 km (0.088 R)
• M31: 37,988,135 km (0.111 R)
• M32: 39,512,388 km (0.072 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 10,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit