🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.48 AU - 0.7 AU

Year: 297 Days

Day: 12.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 47.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.6 AU - 0.66 AU

Year: 328 Days

Day: 29.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,114,354 km

• M1: 475,721 km (0.081 R)

Asteroid Belt

Center: 0.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.3

Radius: 11

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.86 AU - 1.44 AU

Year: 809 Days

Day: 12.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,114,354 km

• M1: 136,732 km (0.073 R)
• M2: 509,530 km (0.08 R)
• M3: 913,295 km (0.078 R)
• M4: 1,427,463 km (0.08 R)
• M5: 1,908,121 km (0.029 R)
• M6: 2,321,460 km (0.082 R)
• M7: 2,688,872 km (0.09 R)
• M8: 3,504,480 km (0.094 R)
• M9: 3,991,271 km (0.088 R)
• M10: 5,282,002 km (0.104 R)
• M11: 5,710,151 km (0.075 R)
• M12: 6,179,738 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.1

Radius: 12.8

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.18 AU - 2.66 AU

Year: 2470 Days

Day: 11.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,114,354 km

• M1: 159,172 km (0.098 R)
• M2: 646,861 km (0.092 R)
• M3: 1,086,978 km (0.086 R)
• M4: 1,568,234 km (0.115 R)
• M5: 2,322,806 km (0.115 R)
• M6: 2,868,539 km (0.072 R)
• M7: 3,698,508 km (0.096 R)
• M8: 4,926,108 km (0.106 R)
• M9: 5,463,015 km (0.084 R)
• M10: 6,222,075 km (0.063 R)
• M11: 6,964,230 km (0.098 R)
• M12: 7,919,412 km (0.112 R)
• M13: 10,499,527 km (0.098 R)
• M14: 12,803,184 km (0.117 R)
• M15: 14,514,883 km (0.1 R)
• M16: 16,121,265 km (0.099 R)
• M17: 17,308,773 km (0.098 R)
• M18: 18,223,564 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.7

Radius: 8.5

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.48 AU - 3.38 AU

Year: 3290 Days

Day: 13.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,114,354 km

• M1: 105,766 km (0.072 R)
• M2: 384,616 km (0.067 R)
• M3: 758,611 km (0.118 R)
• M4: 1,106,725 km (0.112 R)
• M5: 1,646,025 km (0.112 R)
• M6: 2,449,665 km (0.092 R)
• M7: 2,764,120 km (0.104 R)
• M8: 3,295,491 km (0.048 R)
• M9: 4,366,313 km (0.105 R)
• M10: 4,969,791 km (0.102 R)
• M11: 5,885,928 km (0.099 R)
• M12: 6,425,677 km (0.041 R)
• M13: 7,296,935 km (0.119 R)
• M14: 9,130,706 km (0.078 R)
• M15: 10,230,250 km (0.08 R)
• M16: 14,056,665 km (0.058 R)
• M17: 14,341,349 km (0.117 R)
• M18: 15,020,673 km (0.117 R)
• M19: 16,338,930 km (0.099 R)
• M20: 16,812,856 km (0.096 R)
• M21: 17,732,733 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.5

Radius: 8.2

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.47 AU - 4.79 AU

Year: 5506 Days

Day: 13 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,114,354 km

• M1: 102,325 km (0.045 R)
• M2: 471,233 km (0.092 R)
• M3: 2,019,721 km (0.07 R)
• M4: 2,760,829 km (0.118 R)
• M5: 3,729,625 km (0.062 R)
• M6: 4,587,867 km (0.059 R)
• M7: 4,909,204 km (0.055 R)
• M8: 5,726,756 km (0.107 R)
• M9: 6,689,867 km (0.091 R)
• M10: 9,290,776 km (0.101 R)
• M11: 10,071,527 km (0.11 R)
• M12: 11,098,068 km (0.11 R)
• M13: 12,236,208 km (0.12 R)
• M14: 14,062,649 km (0.119 R)
• M15: 16,011,460 km (0.101 R)
• M16: 17,683,815 km (0.118 R)
• M17: 18,706,765 km (0.088 R)
• M18: 19,588,794 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.3

Radius: 8

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.73 AU - 10.17 AU

Year: 16114 Days

Day: 15.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,114,354 km

• M1: 99,483 km (0.12 R)
• M2: 405,111 km (0.087 R)
• M3: 945,309 km (0.063 R)
• M4: 1,249,890 km (0.111 R)
• M5: 1,553,275 km (0.108 R)
• M6: 3,295,641 km (0.063 R)
• M7: 4,345,669 km (0.051 R)
• M8: 5,383,728 km (0.043 R)
• M9: 10,961,634 km (0.082 R)
• M10: 12,533,459 km (0.095 R)
• M11: 14,733,296 km (0.104 R)
• M12: 15,860,067 km (0.075 R)
• M13: 17,450,442 km (0.101 R)
• M14: 24,793,603 km (0.104 R)
• M15: 26,474,634 km (0.106 R)
• M16: 26,746,902 km (0.117 R)
• M17: 27,112,669 km (0.052 R)
• M18: 29,964,005 km (0.081 R)
• M19: 30,259,760 km (0.112 R)
• M20: 31,972,207 km (0.094 R)
• M21: 34,823,243 km (0.059 R)
• M22: 38,999,417 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782

Radius: 8

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 8.67 AU - 9.03 AU

Year: 17271 Days

Day: 22.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,114,354 km

• M1: 99,483 km (0.103 R)
• M2: 667,057 km (0.09 R)
• M3: 1,470,248 km (0.034 R)
• M4: 1,731,745 km (0.105 R)
• M5: 2,393,566 km (0.073 R)
• M6: 2,880,357 km (0.119 R)
• M7: 3,160,704 km (0.057 R)
• M8: 3,431,476 km (0.066 R)
• M9: 5,666,917 km (0.091 R)
• M10: 5,945,917 km (0.076 R)
• M11: 6,838,418 km (0.078 R)
• M12: 9,209,843 km (0.112 R)
• M13: 9,596,255 km (0.043 R)
• M14: 11,950,775 km (0.039 R)
• M15: 14,005,652 km (0.118 R)
• M16: 16,046,765 km (0.11 R)
• M17: 27,429,368 km (0.073 R)
• M18: 31,962,483 km (0.086 R)
• M19: 34,802,748 km (0.096 R)
• M20: 36,147,633 km (0.061 R)
• M21: 37,526,925 km (0.098 R)
• M22: 39,516,427 km (0.118 R)
• M23: 40,536,984 km (0.074 R)
• M24: 40,979,644 km (0.031 R)
• M25: 41,575,043 km (0.082 R)
• M26: 54,546,974 km (0.114 R)
• M27: 60,296,469 km (0.05 R)
• M28: 66,232,961 km (0.06 R)
• M29: 68,712,696 km (0.116 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: 349 - 15,349 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit