🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.4

Radius: 9.4

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.22 AU - 1.38 AU

Year: 1005 Days

Day: 10.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,536,064 km

• M1: 116,986 km (0.112 R)
• M2: 568,622 km (0.11 R)
• M3: 897,438 km (0.084 R)
• M4: 1,193,791 km (0.11 R)
• M5: 1,594,863 km (0.088 R)
• M6: 2,020,918 km (0.086 R)
• M7: 3,115,675 km (0.075 R)
• M8: 5,270,632 km (0.104 R)
• M9: 5,649,264 km (0.101 R)
• M10: 6,104,341 km (0.09 R)
• M11: 6,461,431 km (0.072 R)
• M12: 6,959,443 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.5

Radius: 9

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.67 AU - 2.13 AU

Year: 1776 Days

Day: 10.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,536,064 km

• M1: 112,049 km (0.114 R)
• M2: 433,235 km (0.097 R)
• M3: 1,018,612 km (0.119 R)
• M4: 1,648,718 km (0.09 R)
• M5: 2,057,120 km (0.102 R)
• M6: 2,883,349 km (0.11 R)
• M7: 3,667,242 km (0.085 R)
• M8: 4,213,424 km (0.05 R)
• M9: 4,566,475 km (0.104 R)
• M10: 5,046,235 km (0.062 R)
• M11: 5,422,324 km (0.086 R)
• M12: 5,793,178 km (0.096 R)
• M13: 6,560,166 km (0.097 R)
• M14: 6,981,733 km (0.032 R)
• M15: 7,676,615 km (0.106 R)
• M16: 9,042,443 km (0.027 R)
• M17: 10,142,287 km (0.056 R)
• M18: 12,209,131 km (0.081 R)
• M19: 12,565,623 km (0.078 R)
• M20: 13,804,742 km (0.118 R)
• M21: 14,322,351 km (0.103 R)

Asteroid Belt

Center: 2.16 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.5

Radius: 8.2

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.2 AU - 2.62 AU

Year: 2538 Days

Day: 13 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,536,064 km

• M1: 102,026 km (0.118 R)
• M2: 415,882 km (0.117 R)
• M3: 1,841,999 km (0.093 R)
• M4: 2,411,667 km (0.081 R)
• M5: 2,950,968 km (0.093 R)
• M6: 3,831,201 km (0.069 R)
• M7: 4,323,229 km (0.11 R)
• M8: 5,738,126 km (0.051 R)
• M9: 6,406,379 km (0.106 R)
• M10: 9,481,513 km (0.09 R)
• M11: 10,783,912 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.5

Radius: 12.5

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.52 AU - 2.58 AU

Year: 2762 Days

Day: 9.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,536,064 km

• M1: 155,432 km (0.092 R)
• M2: 601,533 km (0.118 R)
• M3: 1,331,421 km (0.118 R)
• M4: 1,740,272 km (0.099 R)
• M5: 2,692,911 km (0.114 R)
• M6: 3,179,104 km (0.06 R)
• M7: 3,884,608 km (0.064 R)
• M8: 4,440,962 km (0.038 R)
• M9: 4,833,208 km (0.099 R)
• M10: 7,186,682 km (0.071 R)
• M11: 7,664,497 km (0.028 R)
• M12: 8,684,156 km (0.106 R)
• M13: 9,601,042 km (0.096 R)
• M14: 11,801,178 km (0.093 R)
• M15: 13,973,788 km (0.111 R)
• M16: 14,821,559 km (0.117 R)
• M17: 22,142,878 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80

Radius: 12.1

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.78 AU - 3.92 AU

Year: 4159 Days

Day: 8.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,536,064 km

• M1: 153,487 km (0.112 R)
• M2: 561,441 km (0.058 R)
• M3: 1,013,974 km (0.116 R)
• M4: 4,225,691 km (0.058 R)
• M5: 4,847,270 km (0.098 R)
• M6: 6,682,986 km (0.116 R)
• M7: 9,003,847 km (0.087 R)
• M8: 12,899,675 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.6

Radius: 9.1

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.56 AU - 5.06 AU

Year: 6069 Days

Day: 7.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,536,064 km

• M1: 120,127 km (0.037 R)
• M2: 603,328 km (0.112 R)
• M3: 998,416 km (0.11 R)
• M4: 1,538,913 km (0.049 R)
• M5: 2,477,341 km (0.072 R)
• M6: 3,003,028 km (0.077 R)
• M7: 3,825,367 km (0.111 R)
• M8: 4,528,776 km (0.119 R)
• M9: 5,034,716 km (0.089 R)
• M10: 7,959,804 km (0.065 R)
• M11: 8,303,579 km (0.102 R)
• M12: 11,231,808 km (0.041 R)
• M13: 11,811,799 km (0.091 R)
• M14: 13,136,937 km (0.095 R)
• M15: 13,456,328 km (0.026 R)
• M16: 17,511,777 km (0.11 R)
• M17: 19,573,535 km (0.07 R)
• M18: 20,413,527 km (0.028 R)
• M19: 20,986,636 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.5

Radius: 6

Gravity: 24.71 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.39 AU - 11.13 AU

Year: 19112 Days

Day: 17.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,536,064 km

• M1: 74,649 km (0.069 R)
• M2: 263,891 km (0.109 R)
• M3: 908,209 km (0.109 R)
• M4: 1,840,951 km (0.037 R)
• M5: 2,161,390 km (0.095 R)
• M6: 2,735,995 km (0.115 R)
• M7: 2,966,227 km (0.108 R)
• M8: 3,613,836 km (0.025 R)
• M9: 4,019,545 km (0.083 R)
• M10: 4,216,715 km (0.079 R)
• M11: 4,884,370 km (0.111 R)
• M12: 5,224,107 km (0.064 R)
• M13: 5,993,339 km (0.056 R)
• M14: 6,743,423 km (0.097 R)
• M15: 7,703,842 km (0.102 R)
• M16: 8,752,373 km (0.091 R)
• M17: 10,375,660 km (0.091 R)
• M18: 15,531,251 km (0.057 R)
• M19: 19,065,800 km (0.11 R)
• M20: 20,871,895 km (0.107 R)
• M21: 22,788,992 km (0.102 R)
• M22: 28,148,784 km (0.1 R)
• M23: 29,608,859 km (0.115 R)
• M24: 31,504,264 km (0.108 R)
• M25: 34,019,304 km (0.111 R)
• M26: 38,404,765 km (0.116 R)
• M27: 43,312,024 km (0.119 R)
• M28: 54,162,507 km (0.077 R)
• M29: 54,906,906 km (0.063 R)
• M30: 66,478,900 km (0.04 R)
• M31: 67,761,403 km (0.087 R)
• M32: 69,715,899 km (0.088 R)
• M33: 74,193,064 km (0.071 R)
• M34: 74,421,799 km (0.106 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 19,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit